#include #include using namespace metal; struct Inputs { }; struct Outputs { half4 sk_FragColor [[color(0)]]; }; float4x3 float4x3_from_float4x4(float4x4 x0) { return float4x3(float3(x0[0].xyz), float3(x0[1].xyz), float3(x0[2].xyz), float3(x0[3].xyz)); } fragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { Outputs _out; (void)_out; float4x3 a = float4x3(1.0); float4x3 b = float4x3_from_float4x4(float4x4(1.0)); _out.sk_FragColor.x = half(all(a[0] == b[0]) ? 0 : 1); return _out; }