#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; if (sqrt(2.0) > 5.0) { _out->sk_FragColor = float4(0.75); } else { discard_fragment(); } int i = 0; while (i < 10) { _out->sk_FragColor *= 0.5; i++; } do { _out->sk_FragColor += 0.25; } while (_out->sk_FragColor.x < 0.75); for (int i = 0;i < 10; i++) { if (i % 2 == 1) break; else continue; } return; return *_out; }