| #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 = _uniforms.dst.w * _uniforms.src + (1.0 - _uniforms.src.w) * _uniforms.dst; | |
| return _out; | |
| } |