| #include <metal_stdlib> |
| #include <simd/simd.h> |
| #ifdef __clang__ |
| #pragma clang diagnostic ignored "-Wall" |
| #endif |
| using namespace metal; |
| struct Uniforms { |
| half4 src; |
| half4 dst; |
| }; |
| struct Inputs { |
| }; |
| struct Outputs { |
| half4 sk_FragColor [[color(0)]]; |
| }; |
| fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { |
| Outputs _out; |
| (void)_out; |
| half4 _0_a = _uniforms.src + (1.0h - _uniforms.src.w) * _uniforms.dst; |
| half3 _1_b = (1.0h - _uniforms.dst.w) * _uniforms.src.xyz + _uniforms.dst.xyz; |
| _0_a.xyz = min(_0_a.xyz, _1_b); |
| _out.sk_FragColor = _0_a; |
| return _out; |
| } |
