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[require]
GLSL >= 1.40
[fragment shader]
#version 140
#extension GL_KHR_blend_equation_advanced : require
out vec4 sk_FragColor;
layout (blend_support_all_equations) out ;
uniform vec2 ubaseFrequency_Stage1;
uniform float uz_Stage1;
uniform sampler2D uTextureSampler_0_Stage1;
uniform sampler2D uTextureSampler_1_Stage1;
noperspective in vec2 vTransformedCoords_0_Stage0;
flat in vec4 vcolor_Stage0;
vec3 fade_Stage1(vec3 t) {
return ((t * t) * t) * (t * (t * 6.0 - 15.0) + 10.0);
}
float perm_Stage1(float x) {
return texture(uTextureSampler_0_Stage1, vec2(fract(x / 256.0), 0.0)).x * 255.0;
}
float grad_Stage1(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(float a, float b, float w) {
return a + w * (b - a);
}
float noise_Stage1(vec3 p) {
vec3 P = mod(floor(p), 256.0);
p -= floor(p);
vec3 f = fade_Stage1(p);
float A = perm_Stage1(P.x) + P.y;
float AA = perm_Stage1(A) + P.z;
float AB = perm_Stage1(A + 1.0) + P.z;
float B = perm_Stage1(P.x + 1.0) + P.y;
float BA = perm_Stage1(B) + P.z;
float BB = perm_Stage1(B + 1.0) + P.z;
float result = lerp_Stage1(lerp_Stage1(lerp_Stage1(grad_Stage1(perm_Stage1(AA), p), grad_Stage1(perm_Stage1(BA), p + vec3(-1.0, 0.0, 0.0)), f.x), lerp_Stage1(grad_Stage1(perm_Stage1(AB), p + vec3(0.0, -1.0, 0.0)), grad_Stage1(perm_Stage1(BB), p + vec3(-1.0, -1.0, 0.0)), f.x), f.y), lerp_Stage1(lerp_Stage1(grad_Stage1(perm_Stage1(AA + 1.0), p + vec3(0.0, 0.0, -1.0)), grad_Stage1(perm_Stage1(BA + 1.0), p + vec3(-1.0, 0.0, -1.0)), f.x), lerp_Stage1(grad_Stage1(perm_Stage1(AB + 1.0), p + vec3(0.0, -1.0, -1.0)), grad_Stage1(perm_Stage1(BB + 1.0), p + vec3(-1.0, -1.0, -1.0)), f.x), f.y), f.z);
return result;
}
float noiseOctaves_Stage1(vec3 p) {
float result = 0.0;
float ratio = 1.0;
for (float i = 0.0;i < 8.0; i++) {
result += noise_Stage1(p) / ratio;
p *= 2.0;
ratio *= 2.0;
}
return (result + 1.0) / 2.0;
}
void main() {
vec4 outputColor_Stage0;
{
outputColor_Stage0 = vcolor_Stage0;
}
vec4 output_Stage1;
{
vec2 coords = vTransformedCoords_0_Stage0 * ubaseFrequency_Stage1;
float r = noiseOctaves_Stage1(vec3(coords, uz_Stage1));
float g = noiseOctaves_Stage1(vec3(coords, uz_Stage1));
float b = noiseOctaves_Stage1(vec3(coords, uz_Stage1));
float a = noiseOctaves_Stage1(vec3(coords, uz_Stage1));
output_Stage1 = vec4(r, g, b, a);
output_Stage1 = clamp(output_Stage1, 0.0, 1.0);
output_Stage1 = vec4(output_Stage1.xyz * output_Stage1.www, output_Stage1.w);
}
{
sk_FragColor = output_Stage1 * outputColor_Stage0;
}
}
[vertex shader]
#version 140
uniform vec4 sk_RTAdjust;
uniform mat3 uCoordTransformMatrix_0_Stage0;
in vec2 position;
in vec4 color;
in vec2 localCoord;
noperspective out vec2 vTransformedCoords_0_Stage0;
flat out vec4 vcolor_Stage0;
void main() {
vTransformedCoords_0_Stage0 = (uCoordTransformMatrix_0_Stage0 * vec3(localCoord, 1.0)).xy;
vcolor_Stage0 = color;
gl_Position = vec4(position.x, position.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);
}
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