out vec4 sk_FragColor; uniform vec4 src; uniform vec4 dst; vec3 _blend_set_color_luminance_h3h3hh3(vec3 hueSatColor, float alpha, vec3 lumColor) { float lum = dot(vec3(0.30000001192092896, 0.5899999737739563, 0.10999999940395355), lumColor); vec3 result = (lum - dot(vec3(0.30000001192092896, 0.5899999737739563, 0.10999999940395355), 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); } else { return result; } } vec3 _blend_set_color_saturation_helper_h3h3h(vec3 minMidMax, float sat) { if (minMidMax.x < minMidMax.z) { return vec3(0.0, (sat * (minMidMax.y - minMidMax.x)) / (minMidMax.z - minMidMax.x), sat); } else { return vec3(0.0); } } vec3 _blend_set_color_saturation_h3h3h3(vec3 hueLumColor, vec3 satColor) { float sat = max(max(satColor.x, satColor.y), satColor.z) - min(min(satColor.x, satColor.y), satColor.z); if (hueLumColor.x <= hueLumColor.y) { if (hueLumColor.y <= hueLumColor.z) { return _blend_set_color_saturation_helper_h3h3h(hueLumColor, sat); } else if (hueLumColor.x <= hueLumColor.z) { return _blend_set_color_saturation_helper_h3h3h(hueLumColor.xzy, sat).xzy; } else { return _blend_set_color_saturation_helper_h3h3h(hueLumColor.zxy, sat).yzx; } } else if (hueLumColor.x <= hueLumColor.z) { return _blend_set_color_saturation_helper_h3h3h(hueLumColor.yxz, sat).yxz; } else if (hueLumColor.y <= hueLumColor.z) { return _blend_set_color_saturation_helper_h3h3h(hueLumColor.yzx, sat).zxy; } else { return _blend_set_color_saturation_helper_h3h3h(hueLumColor.zyx, sat).zyx; } } void main() { float _0_alpha = dst.w * src.w; vec3 _1_sda = src.xyz * dst.w; vec3 _2_dsa = dst.xyz * src.w; sk_FragColor = vec4((((_blend_set_color_luminance_h3h3hh3(_blend_set_color_saturation_h3h3h3(_2_dsa, _1_sda), _0_alpha, _2_dsa) + dst.xyz) - _2_dsa) + src.xyz) - _1_sda, (src.w + dst.w) - _0_alpha); }