#include #include using namespace metal; struct Inputs { }; struct Outputs { float4 sk_FragColor [[color(0)]]; }; float3x3 float3x3_from_float2x2(float2x2 x0) { return float3x3(float3(x0[0].xy, 0.0), float3(x0[1].xy, 0.0), float3(0.0, 0.0, 1.0)); } fragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { Outputs _outputStruct; thread Outputs* _out = &_outputStruct; _out->sk_FragColor.x = float(all(float3x3(1.0)[0] == float3x3_from_float2x2(float2x2(1.0))[0]) ? 0 : 1); return *_out; }