1 files changed, 114 insertions, 0 deletions
diff --git a/shaders/skia/82-13.shader_test b/shaders/skia/82-13.shader_test
new file mode 100644
index 0000000..ce47a87
--- /dev/null
+++ b/shaders/skia/82-13.shader_test
@@ -0,0 +1,114 @@
+[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 uDstTextureUpperLeft_Stage1;
+uniform vec2 uDstTextureCoordScale_Stage1;
+uniform sampler2D uTextureSampler_0_Stage0;
+uniform sampler2D uDstTextureSampler_Stage1;
+noperspective in vec2 vTextureCoords_Stage0;
+flat in int vTexIndex_Stage0;
+noperspective in vec4 vinColor_Stage0;
+float _blend_color_saturation(vec3 color) {
+    return max(max(color.x, color.y), color.z) - min(min(color.x, color.y), color.z);
+}
+vec3 _blend_set_color_saturation_helper(vec3 minMidMax, float sat) {
+    if (minMidMax.x < minMidMax.z) {
+        return vec3(0.0, (sat * (minMidMax.y - minMidMax.x)) / (minMidMax.z - minMidMax.x), sat);
+    }
+    return vec3(0.0);
+}
+vec3 _blend_set_color_saturation(vec3 hueLumColor, vec3 satColor) {
+    float sat = _blend_color_saturation(satColor);
+    if (hueLumColor.x <= hueLumColor.y) {
+        if (hueLumColor.y <= hueLumColor.z) {
+            hueLumColor.xyz = _blend_set_color_saturation_helper(hueLumColor, sat);
+        } else if (hueLumColor.x <= hueLumColor.z) {
+            hueLumColor.xzy = _blend_set_color_saturation_helper(hueLumColor.xzy, sat);
+        } else {
+            hueLumColor.zxy = _blend_set_color_saturation_helper(hueLumColor.zxy, sat);
+        }
+    } else if (hueLumColor.x <= hueLumColor.z) {
+        hueLumColor.yxz = _blend_set_color_saturation_helper(hueLumColor.yxz, sat);
+    } else if (hueLumColor.y <= hueLumColor.z) {
+        hueLumColor.yzx = _blend_set_color_saturation_helper(hueLumColor.yzx, sat);
+    } else {
+        hueLumColor.zyx = _blend_set_color_saturation_helper(hueLumColor.zyx, sat);
+    }
+    return hueLumColor;
+}
+float _blend_color_luminance(vec3 color) {
+    return dot(vec3(0.30000001192092896, 0.5899999737739563, 0.10999999940395355), color);
+}
+vec3 _blend_set_color_luminance(vec3 hueSatColor, float alpha, vec3 lumColor) {
+    float lum = _blend_color_luminance(lumColor);
+    vec3 result = (lum - _blend_color_luminance(hueSatColor)) + hueSatColor;
+    float minComp = min(min(result.x, result.y), result.z);
+    float maxComp = max(max(result.x, result.y), result.z);
+    if (minComp < 0.0 && lum != minComp) {
+        result = lum + ((result - lum) * lum) / (lum - minComp);
+    }
+    if (maxComp > alpha && maxComp != lum) {
+        return lum + ((result - lum) * (alpha - lum)) / (maxComp - lum);
+    }
+    return result;
+}
+vec4 blend_hue(vec4 src, vec4 dst) {
+    float alpha = dst.w * src.w;
+    vec3 sda = src.xyz * dst.w;
+    vec3 dsa = dst.xyz * src.w;
+    return vec4((((_blend_set_color_luminance(_blend_set_color_saturation(sda, dsa), alpha, dsa) + dst.xyz) - dsa) + src.xyz) - sda, (src.w + dst.w) - alpha);
+}
+void main() {
+    vec4 outputColor_Stage0;
+    vec4 outputCoverage_Stage0;
+    {
+        outputColor_Stage0 = vinColor_Stage0;
+        vec4 texColor;
+        {
+            texColor = texture(uTextureSampler_0_Stage0, vTextureCoords_Stage0);
+        }
+        outputCoverage_Stage0 = texColor;
+    }
+    {
+        if (all(lessThanEqual(outputCoverage_Stage0.xyz, vec3(0.0)))) {
+            discard;
+        }
+        vec2 _dstTexCoord = (gl_FragCoord.xy - uDstTextureUpperLeft_Stage1) * uDstTextureCoordScale_Stage1;
+        _dstTexCoord.y = 1.0 - _dstTexCoord.y;
+        vec4 _dstColor = texture(uDstTextureSampler_Stage1, _dstTexCoord);
+        sk_FragColor = blend_hue(outputColor_Stage0, _dstColor);
+        float lerpRed = mix(_dstColor.w, sk_FragColor.w, outputCoverage_Stage0.x);
+        float lerpBlue = mix(_dstColor.w, sk_FragColor.w, outputCoverage_Stage0.y);
+        float lerpGreen = mix(_dstColor.w, sk_FragColor.w, outputCoverage_Stage0.z);
+        sk_FragColor = outputCoverage_Stage0 * sk_FragColor + (vec4(1.0) - outputCoverage_Stage0) * _dstColor;
+        sk_FragColor.w = max(max(lerpRed, lerpBlue), lerpGreen);
+    }
+}
+
+[vertex shader]
+#version 140
+
+uniform vec4 sk_RTAdjust;
+uniform vec2 uAtlasSizeInv_Stage0;
+in vec2 inPosition;
+in vec4 inColor;
+in uvec2 inTextureCoords;
+noperspective out vec2 vTextureCoords_Stage0;
+flat out int vTexIndex_Stage0;
+noperspective out vec4 vinColor_Stage0;
+void main() {
+    ivec2 signedCoords = ivec2(int(inTextureCoords.x), int(inTextureCoords.y));
+    vec2 unormTexCoords = vec2(float(signedCoords.x / 2), float(signedCoords.y / 2));
+    vTextureCoords_Stage0 = unormTexCoords * uAtlasSizeInv_Stage0;
+    vTexIndex_Stage0 = 0;
+    vinColor_Stage0 = inColor;
+    gl_Position = vec4(inPosition.x, inPosition.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);
+}
+