1 files changed, 128 insertions, 0 deletions
diff --git a/shaders/skia/2161.shader_test b/shaders/skia/2161.shader_test
new file mode 100644
index 0000000..4cadb28
--- /dev/null
+++ b/shaders/skia/2161.shader_test
@@ -0,0 +1,128 @@
+[require]
+GLSL >= 1.40
+
+[fragment shader]
+#version 140
+
+#extension GL_ARB_fragment_coord_conventions : require
+layout(origin_upper_left) in vec4 gl_FragCoord;
+out vec4 sk_FragColor;
+uniform vec2 ubaseFrequency_Stage1_c0_c0;
+uniform float uz_Stage1_c0_c0;
+uniform vec2 uDstTextureUpperLeft_Stage2;
+uniform vec2 uDstTextureCoordScale_Stage2;
+uniform sampler2D uTextureSampler_0_Stage1;
+uniform sampler2D uTextureSampler_1_Stage1;
+uniform sampler2D uDstTextureSampler_Stage2;
+noperspective in vec2 vEllipseOffsets_Stage0;
+noperspective in vec4 vEllipseRadii_Stage0;
+noperspective in vec4 vinColor_Stage0;
+noperspective in vec2 vTransformedCoords_0_Stage0;
+vec3 fade_Stage1_c0_c0(vec3 t) {
+    return ((t * t) * t) * (t * (t * 6.0 - 15.0) + 10.0);
+}
+float perm_Stage1_c0_c0(float x) {
+    return texture(uTextureSampler_0_Stage1, vec2(fract(x / 256.0), 0.0)).x * 255.0;
+}
+float grad_Stage1_c0_c0(float x, vec3 p) {
+    return dot(texture(uTextureSampler_1_Stage1, vec2(fract(x / 16.0), 0.0)).xyz * 255.0 - vec3(1.0), p);
+}
+float lerp_Stage1_c0_c0(float a, float b, float w) {
+    return a + w * (b - a);
+}
+float noise_Stage1_c0_c0(vec3 p) {
+    vec3 P = mod(floor(p), 256.0);
+    p -= floor(p);
+    vec3 f = fade_Stage1_c0_c0(p);
+    float A = perm_Stage1_c0_c0(P.x) + P.y;
+    float AA = perm_Stage1_c0_c0(A) + P.z;
+    float AB = perm_Stage1_c0_c0(A + 1.0) + P.z;
+    float B = perm_Stage1_c0_c0(P.x + 1.0) + P.y;
+    float BA = perm_Stage1_c0_c0(B) + P.z;
+    float BB = perm_Stage1_c0_c0(B + 1.0) + P.z;
+    float result = lerp_Stage1_c0_c0(lerp_Stage1_c0_c0(lerp_Stage1_c0_c0(grad_Stage1_c0_c0(perm_Stage1_c0_c0(AA), p), grad_Stage1_c0_c0(perm_Stage1_c0_c0(BA), p + vec3(-1.0, 0.0, 0.0)), f.x), lerp_Stage1_c0_c0(grad_Stage1_c0_c0(perm_Stage1_c0_c0(AB), p + vec3(0.0, -1.0, 0.0)), grad_Stage1_c0_c0(perm_Stage1_c0_c0(BB), p + vec3(-1.0, -1.0, 0.0)), f.x), f.y), lerp_Stage1_c0_c0(lerp_Stage1_c0_c0(grad_Stage1_c0_c0(perm_Stage1_c0_c0(AA + 1.0), p + vec3(0.0, 0.0, -1.0)), grad_Stage1_c0_c0(perm_Stage1_c0_c0(BA + 1.0), p + vec3(-1.0, 0.0, -1.0)), f.x), lerp_Stage1_c0_c0(grad_Stage1_c0_c0(perm_Stage1_c0_c0(AB + 1.0), p + vec3(0.0, -1.0, -1.0)), grad_Stage1_c0_c0(perm_Stage1_c0_c0(BB + 1.0), p + vec3(-1.0, -1.0, -1.0)), f.x), f.y), f.z);
+    return result;
+}
+float noiseOctaves_Stage1_c0_c0(vec3 p) {
+    float result = 0.0;
+    float ratio = 1.0;
+    for (float i = 0.0;i < 2.0; i++) {
+        result += noise_Stage1_c0_c0(p) / ratio;
+        p *= 2.0;
+        ratio *= 2.0;
+    }
+    return (result + 1.0) / 2.0;
+}
+vec4 ImprovedPerlinNoise_Stage1_c0_c0(vec4 _input) {
+    vec4 _output;
+    vec2 coords = vTransformedCoords_0_Stage0 * ubaseFrequency_Stage1_c0_c0;
+    float r = noiseOctaves_Stage1_c0_c0(vec3(coords, uz_Stage1_c0_c0));
+    float g = noiseOctaves_Stage1_c0_c0(vec3(coords, uz_Stage1_c0_c0));
+    float b = noiseOctaves_Stage1_c0_c0(vec3(coords, uz_Stage1_c0_c0));
+    float a = noiseOctaves_Stage1_c0_c0(vec3(coords, uz_Stage1_c0_c0));
+    _output = vec4(r, g, b, a);
+    _output = clamp(_output, 0.0, 1.0);
+    _output = vec4(_output.xyz * _output.www, _output.w);
+    return _output;
+}
+vec4 blend_src(vec4 src, vec4 dst) {
+    return src;
+}
+void main() {
+    vec4 outputCoverage_Stage0;
+    {
+        vec2 offset = vEllipseOffsets_Stage0;
+        offset *= vEllipseRadii_Stage0.xy;
+        float test = dot(offset, offset) - 1.0;
+        vec2 grad = (2.0 * offset) * vEllipseRadii_Stage0.xy;
+        float grad_dot = dot(grad, grad);
+        grad_dot = max(grad_dot, 1.1754999560161448e-38);
+        float invlen = inversesqrt(grad_dot);
+        float edgeAlpha = clamp(0.5 - test * invlen, 0.0, 1.0);
+        offset = vEllipseOffsets_Stage0 * vEllipseRadii_Stage0.zw;
+        test = dot(offset, offset) - 1.0;
+        grad = (2.0 * offset) * vEllipseRadii_Stage0.zw;
+        grad_dot = dot(grad, grad);
+        invlen = inversesqrt(grad_dot);
+        edgeAlpha *= clamp(0.5 + test * invlen, 0.0, 1.0);
+        outputCoverage_Stage0 = vec4(edgeAlpha);
+    }
+    vec4 output_Stage1;
+    {
+        output_Stage1 = ImprovedPerlinNoise_Stage1_c0_c0(vec4(1.0));
+    }
+    {
+        if (all(lessThanEqual(outputCoverage_Stage0.xyz, vec3(0.0)))) {
+            discard;
+        }
+        vec2 _dstTexCoord = (gl_FragCoord.xy - uDstTextureUpperLeft_Stage2) * uDstTextureCoordScale_Stage2;
+        _dstTexCoord.y = 1.0 - _dstTexCoord.y;
+        vec4 _dstColor = texture(uDstTextureSampler_Stage2, _dstTexCoord);
+        sk_FragColor = blend_src(output_Stage1, _dstColor);
+        sk_FragColor = outputCoverage_Stage0 * sk_FragColor + (vec4(1.0) - outputCoverage_Stage0) * _dstColor;
+    }
+}
+
+[vertex shader]
+#version 140
+
+uniform vec4 sk_RTAdjust;
+uniform mat3 uCoordTransformMatrix_0_Stage0;
+in vec2 inPosition;
+in vec4 inColor;
+in vec2 inEllipseOffset;
+in vec4 inEllipseRadii;
+noperspective out vec2 vEllipseOffsets_Stage0;
+noperspective out vec4 vEllipseRadii_Stage0;
+noperspective out vec4 vinColor_Stage0;
+noperspective out vec2 vTransformedCoords_0_Stage0;
+void main() {
+    vEllipseOffsets_Stage0 = inEllipseOffset;
+    vEllipseRadii_Stage0 = inEllipseRadii;
+    vinColor_Stage0 = inColor;
+    vec2 pos2 = inPosition;
+    vTransformedCoords_0_Stage0 = (uCoordTransformMatrix_0_Stage0 * vec3(inPosition, 1.0)).xy;
+    gl_Position = vec4(pos2.x, pos2.y, 0.0, 1.0);
+    gl_Position = vec4(gl_Position.xy * sk_RTAdjust.xz + gl_Position.ww * sk_RTAdjust.yw, 0.0, gl_Position.w);
+}
+