| #include <metal_stdlib> |
| #include <simd/simd.h> |
| using namespace metal; |
| struct Uniforms { |
| float4 src; |
| float4 dst; |
| }; |
| struct Inputs { |
| }; |
| struct Outputs { |
| float4 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; |
| _out.sk_FragColor = float4((_uniforms.dst.xyz + _uniforms.src.xyz) - (2.0 * _uniforms.dst.xyz) * _uniforms.src.xyz, _uniforms.src.w + (1.0 - _uniforms.src.w) * _uniforms.dst.w); |
| return _out; |
| } |