1 files changed, 256 insertions, 0 deletions
diff --git a/shaders/skia/301-3.shader_test b/shaders/skia/301-3.shader_test
new file mode 100644
index 0000000..108b9f5
--- /dev/null
+++ b/shaders/skia/301-3.shader_test
@@ -0,0 +1,256 @@
+[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 uImageIncrement_Stage1;
+uniform float uSurfaceScale_Stage1;
+uniform vec3 uLightColor_Stage1;
+uniform float uKS_Stage1;
+uniform float uShininess_Stage1;
+uniform vec4 uTexDom_Stage1;
+uniform vec3 uDecalParams_Stage1;
+uniform vec3 uLightLocation_Stage1;
+uniform vec2 ubaseFrequency_Stage2;
+uniform float uz_Stage2;
+uniform sampler2D uTextureSampler_0_Stage1;
+uniform sampler2D uTextureSampler_0_Stage2;
+uniform sampler2D uTextureSampler_1_Stage2;
+noperspective in vec4 vcolor_Stage0;
+noperspective in vec2 vTransformedCoords_0_Stage0;
+noperspective in vec3 vTransformedCoords_1_Stage0;
+vec4 light_Stage1(vec3 normal, vec3 surfaceToLight, vec3 lightColor) {
+    vec3 halfDir = normalize(surfaceToLight + vec3(0.0, 0.0, 1.0));
+    float colorScale = uKS_Stage1 * pow(dot(normal, halfDir), uShininess_Stage1);
+    vec3 color = lightColor * clamp(colorScale, 0.0, 1.0);
+    return vec4(color, max(max(color.x, color.y), color.z));
+}
+float sobel_Stage1(float a, float b, float c, float d, float e, float f, float scale) {
+    return (((((-a + b) - 2.0 * c) + 2.0 * d) - e) + f) * scale;
+}
+vec3 pointToNormal_Stage1(float x, float y, float scale) {
+    return normalize(vec3(-x * scale, -y * scale, 1.0));
+}
+vec3 normal_Stage1(float m[9], float surfaceScale) {
+    return pointToNormal_Stage1(sobel_Stage1(0.0, 0.0, m[3], m[5], m[6], m[8], 0.33333298563957214), sobel_Stage1(0.0, 0.0, m[4], m[7], m[5], m[8], 0.5), surfaceScale);
+}
+vec3 fade_Stage2(vec3 t) {
+    return ((t * t) * t) * (t * (t * 6.0 - 15.0) + 10.0);
+}
+float perm_Stage2(float x) {
+    return texture(uTextureSampler_0_Stage2, vec2(fract(x / 256.0), 0.0)).x * 255.0;
+}
+float grad_Stage2(float x, vec3 p) {
+    return dot(texture(uTextureSampler_1_Stage2, vec2(fract(x / 16.0), 0.0)).xyz * 255.0 - vec3(1.0), p);
+}
+float lerp_Stage2(float a, float b, float w) {
+    return a + w * (b - a);
+}
+float noise_Stage2(vec3 p) {
+    vec3 P = mod(floor(p), 256.0);
+    p -= floor(p);
+    vec3 f = fade_Stage2(p);
+    float A = perm_Stage2(P.x) + P.y;
+    float AA = perm_Stage2(A) + P.z;
+    float AB = perm_Stage2(A + 1.0) + P.z;
+    float B = perm_Stage2(P.x + 1.0) + P.y;
+    float BA = perm_Stage2(B) + P.z;
+    float BB = perm_Stage2(B + 1.0) + P.z;
+    float result = lerp_Stage2(lerp_Stage2(lerp_Stage2(grad_Stage2(perm_Stage2(AA), p), grad_Stage2(perm_Stage2(BA), p + vec3(-1.0, 0.0, 0.0)), f.x), lerp_Stage2(grad_Stage2(perm_Stage2(AB), p + vec3(0.0, -1.0, 0.0)), grad_Stage2(perm_Stage2(BB), p + vec3(-1.0, -1.0, 0.0)), f.x), f.y), lerp_Stage2(lerp_Stage2(grad_Stage2(perm_Stage2(AA + 1.0), p + vec3(0.0, 0.0, -1.0)), grad_Stage2(perm_Stage2(BA + 1.0), p + vec3(-1.0, 0.0, -1.0)), f.x), lerp_Stage2(grad_Stage2(perm_Stage2(AB + 1.0), p + vec3(0.0, -1.0, -1.0)), grad_Stage2(perm_Stage2(BB + 1.0), p + vec3(-1.0, -1.0, -1.0)), f.x), f.y), f.z);
+    return result;
+}
+float noiseOctaves_Stage2(vec3 p) {
+    float result = 0.0;
+    float ratio = 1.0;
+    for (float i = 0.0;i < 4.0; i++) {
+        result += noise_Stage2(p) / ratio;
+        p *= 2.0;
+        ratio *= 2.0;
+    }
+    return (result + 1.0) / 2.0;
+}
+void main() {
+    {
+        vec2 coord = vTransformedCoords_0_Stage0;
+        float m[9];
+        vec4 temp0;
+        {
+            vec2 origCoord = coord + vec2(-1.0, 1.0) * uImageIncrement_Stage1;
+            vec2 clampedCoord;
+            clampedCoord = clamp(origCoord, uTexDom_Stage1.xy, uTexDom_Stage1.zw);
+            vec4 textureColor = texture(uTextureSampler_0_Stage1, clampedCoord);
+            float err = max(abs(clampedCoord.x - origCoord.x) * uDecalParams_Stage1.x, abs(clampedCoord.y - origCoord.y) * uDecalParams_Stage1.y);
+            if (err > uDecalParams_Stage1.z) {
+                err = 1.0;
+            } else if (uDecalParams_Stage1.z < 1.0) {
+                err = 0.0;
+            }
+            temp0 = mix(textureColor, vec4(0.0, 0.0, 0.0, 0.0), err);
+        }
+        m[0] = temp0.w;
+        vec4 temp1;
+        {
+            vec2 origCoord = coord + vec2(0.0, 1.0) * uImageIncrement_Stage1;
+            vec2 clampedCoord;
+            clampedCoord = clamp(origCoord, uTexDom_Stage1.xy, uTexDom_Stage1.zw);
+            vec4 textureColor = texture(uTextureSampler_0_Stage1, clampedCoord);
+            float err = max(abs(clampedCoord.x - origCoord.x) * uDecalParams_Stage1.x, abs(clampedCoord.y - origCoord.y) * uDecalParams_Stage1.y);
+            if (err > uDecalParams_Stage1.z) {
+                err = 1.0;
+            } else if (uDecalParams_Stage1.z < 1.0) {
+                err = 0.0;
+            }
+            temp1 = mix(textureColor, vec4(0.0, 0.0, 0.0, 0.0), err);
+        }
+        m[1] = temp1.w;
+        vec4 temp2;
+        {
+            vec2 origCoord = coord + uImageIncrement_Stage1;
+            vec2 clampedCoord;
+            clampedCoord = clamp(origCoord, uTexDom_Stage1.xy, uTexDom_Stage1.zw);
+            vec4 textureColor = texture(uTextureSampler_0_Stage1, clampedCoord);
+            float err = max(abs(clampedCoord.x - origCoord.x) * uDecalParams_Stage1.x, abs(clampedCoord.y - origCoord.y) * uDecalParams_Stage1.y);
+            if (err > uDecalParams_Stage1.z) {
+                err = 1.0;
+            } else if (uDecalParams_Stage1.z < 1.0) {
+                err = 0.0;
+            }
+            temp2 = mix(textureColor, vec4(0.0, 0.0, 0.0, 0.0), err);
+        }
+        m[2] = temp2.w;
+        vec4 temp3;
+        {
+            vec2 origCoord = coord + vec2(-1.0, 0.0) * uImageIncrement_Stage1;
+            vec2 clampedCoord;
+            clampedCoord = clamp(origCoord, uTexDom_Stage1.xy, uTexDom_Stage1.zw);
+            vec4 textureColor = texture(uTextureSampler_0_Stage1, clampedCoord);
+            float err = max(abs(clampedCoord.x - origCoord.x) * uDecalParams_Stage1.x, abs(clampedCoord.y - origCoord.y) * uDecalParams_Stage1.y);
+            if (err > uDecalParams_Stage1.z) {
+                err = 1.0;
+            } else if (uDecalParams_Stage1.z < 1.0) {
+                err = 0.0;
+            }
+            temp3 = mix(textureColor, vec4(0.0, 0.0, 0.0, 0.0), err);
+        }
+        m[3] = temp3.w;
+        vec4 temp4;
+        {
+            vec2 origCoord = coord;
+            vec2 clampedCoord;
+            clampedCoord = clamp(origCoord, uTexDom_Stage1.xy, uTexDom_Stage1.zw);
+            vec4 textureColor = texture(uTextureSampler_0_Stage1, clampedCoord);
+            float err = max(abs(clampedCoord.x - origCoord.x) * uDecalParams_Stage1.x, abs(clampedCoord.y - origCoord.y) * uDecalParams_Stage1.y);
+            if (err > uDecalParams_Stage1.z) {
+                err = 1.0;
+            } else if (uDecalParams_Stage1.z < 1.0) {
+                err = 0.0;
+            }
+            temp4 = mix(textureColor, vec4(0.0, 0.0, 0.0, 0.0), err);
+        }
+        m[4] = temp4.w;
+        vec4 temp5;
+        {
+            vec2 origCoord = coord + vec2(1.0, 0.0) * uImageIncrement_Stage1;
+            vec2 clampedCoord;
+            clampedCoord = clamp(origCoord, uTexDom_Stage1.xy, uTexDom_Stage1.zw);
+            vec4 textureColor = texture(uTextureSampler_0_Stage1, clampedCoord);
+            float err = max(abs(clampedCoord.x - origCoord.x) * uDecalParams_Stage1.x, abs(clampedCoord.y - origCoord.y) * uDecalParams_Stage1.y);
+            if (err > uDecalParams_Stage1.z) {
+                err = 1.0;
+            } else if (uDecalParams_Stage1.z < 1.0) {
+                err = 0.0;
+            }
+            temp5 = mix(textureColor, vec4(0.0, 0.0, 0.0, 0.0), err);
+        }
+        m[5] = temp5.w;
+        vec4 temp6;
+        {
+            vec2 origCoord = coord + vec2(-1.0, -1.0) * uImageIncrement_Stage1;
+            vec2 clampedCoord;
+            clampedCoord = clamp(origCoord, uTexDom_Stage1.xy, uTexDom_Stage1.zw);
+            vec4 textureColor = texture(uTextureSampler_0_Stage1, clampedCoord);
+            float err = max(abs(clampedCoord.x - origCoord.x) * uDecalParams_Stage1.x, abs(clampedCoord.y - origCoord.y) * uDecalParams_Stage1.y);
+            if (err > uDecalParams_Stage1.z) {
+                err = 1.0;
+            } else if (uDecalParams_Stage1.z < 1.0) {
+                err = 0.0;
+            }
+            temp6 = mix(textureColor, vec4(0.0, 0.0, 0.0, 0.0), err);
+        }
+        m[6] = temp6.w;
+        vec4 temp7;
+        {
+            vec2 origCoord = coord + vec2(0.0, -1.0) * uImageIncrement_Stage1;
+            vec2 clampedCoord;
+            clampedCoord = clamp(origCoord, uTexDom_Stage1.xy, uTexDom_Stage1.zw);
+            vec4 textureColor = texture(uTextureSampler_0_Stage1, clampedCoord);
+            float err = max(abs(clampedCoord.x - origCoord.x) * uDecalParams_Stage1.x, abs(clampedCoord.y - origCoord.y) * uDecalParams_Stage1.y);
+            if (err > uDecalParams_Stage1.z) {
+                err = 1.0;
+            } else if (uDecalParams_Stage1.z < 1.0) {
+                err = 0.0;
+            }
+            temp7 = mix(textureColor, vec4(0.0, 0.0, 0.0, 0.0), err);
+        }
+        m[7] = temp7.w;
+        vec4 temp8;
+        {
+            vec2 origCoord = coord + vec2(1.0, -1.0) * uImageIncrement_Stage1;
+            vec2 clampedCoord;
+            clampedCoord = clamp(origCoord, uTexDom_Stage1.xy, uTexDom_Stage1.zw);
+            vec4 textureColor = texture(uTextureSampler_0_Stage1, clampedCoord);
+            float err = max(abs(clampedCoord.x - origCoord.x) * uDecalParams_Stage1.x, abs(clampedCoord.y - origCoord.y) * uDecalParams_Stage1.y);
+            if (err > uDecalParams_Stage1.z) {
+                err = 1.0;
+            } else if (uDecalParams_Stage1.z < 1.0) {
+                err = 0.0;
+            }
+            temp8 = mix(textureColor, vec4(0.0, 0.0, 0.0, 0.0), err);
+        }
+        m[8] = temp8.w;
+        vec3 surfaceToLight = normalize(uLightLocation_Stage1 - vec3(gl_FragCoord.xy, uSurfaceScale_Stage1 * m[4]));
+        light_Stage1(normal_Stage1(m, uSurfaceScale_Stage1), surfaceToLight, uLightColor_Stage1);
+    }
+    vec4 output_Stage2;
+    {
+        vec2 vTransformedCoords_1_Stage0_ensure2D = vTransformedCoords_1_Stage0.xy / vTransformedCoords_1_Stage0.z;
+        vec2 coords = vTransformedCoords_1_Stage0_ensure2D * ubaseFrequency_Stage2;
+        float r = noiseOctaves_Stage2(vec3(coords, uz_Stage2));
+        float g = noiseOctaves_Stage2(vec3(coords, uz_Stage2));
+        float b = noiseOctaves_Stage2(vec3(coords, uz_Stage2));
+        float a = noiseOctaves_Stage2(vec3(coords, uz_Stage2));
+        output_Stage2 = vec4(r, g, b, a);
+        output_Stage2 = clamp(output_Stage2, 0.0, 1.0);
+        output_Stage2 = vec4(output_Stage2.xyz * output_Stage2.www, output_Stage2.w);
+    }
+    {
+        sk_FragColor = 1.0 - output_Stage2;
+    }
+}
+
+[vertex shader]
+#version 140
+
+uniform vec4 sk_RTAdjust;
+uniform mat3 uCoordTransformMatrix_0_Stage0;
+uniform mat3 uCoordTransformMatrix_1_Stage0;
+in vec2 inPosition;
+in vec4 inColor;
+in vec2 inLocalCoord;
+noperspective out vec4 vcolor_Stage0;
+noperspective out vec2 vTransformedCoords_0_Stage0;
+noperspective out vec3 vTransformedCoords_1_Stage0;
+void main() {
+    vec4 color = inColor;
+    vcolor_Stage0 = color;
+    vec2 pos2 = inPosition;
+    vTransformedCoords_0_Stage0 = (uCoordTransformMatrix_0_Stage0 * vec3(inLocalCoord, 1.0)).xy;
+    vTransformedCoords_1_Stage0 = uCoordTransformMatrix_1_Stage0 * vec3(inLocalCoord, 1.0);
+    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);
+}
+