| #include <metal_stdlib> |
| #include <simd/simd.h> |
| using namespace metal; |
| struct Inputs { |
| float4 src; |
| float4 dst; |
| }; |
| struct Outputs { |
| float4 sk_FragColor [[color(0)]]; |
| }; |
| |
| |
| fragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { |
| Outputs _outputStruct; |
| thread Outputs* _out = &_outputStruct; |
| float4 _0_blend_lighten; |
| float4 _1_blend_src_over; |
| _1_blend_src_over = _in.src + (1.0 - _in.src.w) * _in.dst; |
| float4 _2_result = _1_blend_src_over; |
| |
| _2_result.xyz = max(_2_result.xyz, (1.0 - _in.dst.w) * _in.src.xyz + _in.dst.xyz); |
| _0_blend_lighten = _2_result; |
| _out->sk_FragColor = _0_blend_lighten; |
| |
| return *_out; |
| } |