| #include <metal_stdlib> |
| #include <simd/simd.h> |
| using namespace metal; |
| struct Inputs { |
| float4 srcdst; |
| }; |
| struct Outputs { |
| float4 sk_FragColor [[color(0)]]; |
| }; |
| |
| float4 blend_multiply(float4 src, float4 dst) { |
| return float4(((1.0 - src.w) * dst.xyz + (1.0 - dst.w) * src.xyz) + src.xyz * dst.xyz, src.w + (1.0 - src.w) * dst.w); |
| } |
| fragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { |
| Outputs _outputStruct; |
| thread Outputs* _out = &_outputStruct; |
| float4 _0_blend_multiply; |
| { |
| _0_blend_multiply = float4(((1.0 - _in.src.w) * _in.dst.xyz + (1.0 - _in.dst.w) * _in.src.xyz) + _in.src.xyz * _in.dst.xyz, _in.src.w + (1.0 - _in.src.w) * _in.dst.w); |
| } |
| |
| _out->sk_FragColor = _0_blend_multiply; |
| |
| return *_out; |
| } |