| #version 400 |
| out vec4 sk_FragColor; |
| uniform vec4 src; |
| uniform vec4 dst; |
| float blend_color_saturation_Qhh3(vec3 color) { |
| return max(max(color.x, color.y), color.z) - min(min(color.x, color.y), color.z); |
| } |
| vec4 blend_hslc_h4h4h4h2(vec4 src, vec4 dst, vec2 flipSat) { |
| float alpha = dst.w * src.w; |
| vec3 sda = src.xyz * dst.w; |
| vec3 dsa = dst.xyz * src.w; |
| vec3 l = bool(flipSat.x) ? dsa : sda; |
| vec3 r = bool(flipSat.x) ? sda : dsa; |
| if (bool(flipSat.y)) { |
| float _2_mn = min(min(l.x, l.y), l.z); |
| float _3_mx = max(max(l.x, l.y), l.z); |
| l = _3_mx > _2_mn ? ((l - _2_mn) * blend_color_saturation_Qhh3(r)) / (_3_mx - _2_mn) : vec3(0.0); |
| r = dsa; |
| } |
| float _4_lum = dot(vec3(0.30000001192092896, 0.5899999737739563, 0.10999999940395355), r); |
| vec3 _5_result = (_4_lum - dot(vec3(0.30000001192092896, 0.5899999737739563, 0.10999999940395355), l)) + l; |
| float _6_minComp = min(min(_5_result.x, _5_result.y), _5_result.z); |
| float _7_maxComp = max(max(_5_result.x, _5_result.y), _5_result.z); |
| if (_6_minComp < 0.0 && _4_lum != _6_minComp) { |
| _5_result = _4_lum + (_5_result - _4_lum) * (_4_lum / (_4_lum - _6_minComp)); |
| } |
| if (_7_maxComp > alpha && _7_maxComp != _4_lum) { |
| _5_result = _4_lum + ((_5_result - _4_lum) * (alpha - _4_lum)) / (_7_maxComp - _4_lum); |
| } |
| return vec4((((_5_result + dst.xyz) - dsa) + src.xyz) - sda, (src.w + dst.w) - alpha); |
| } |
| void main() { |
| sk_FragColor = blend_hslc_h4h4h4h2(src, dst, vec2(0.0, 1.0)); |
| } |