#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; float x; switch (int(sqrt(1.0))) { case 0: x = 0.0; break; case 1: x = 1.0; break; default: x = 2.0; } _out->sk_FragColor = float4(x); return *_out; }