#include #include using namespace metal; struct Inputs { }; 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; do { _out->sk_FragColor = float4(1.0); } while (false); return *_out; }