#include #include using namespace metal; struct S { int x; int y; }; struct Uniforms { float4 colorGreen; float4 colorRed; }; struct Inputs { }; struct Outputs { float4 sk_FragColor [[color(0)]]; }; template bool operator==(thread const array& left, thread const array& right) { for (size_t index = 0; index < N; ++index) { if (!(left[index] == right[index])) { return false; } } return true; } template bool operator!=(thread const array& left, thread const array& right) { return !(left == right); } thread bool operator==(thread const S& left, thread const S& right) { return (left.x == right.x) && (left.y == right.y); } thread bool operator!=(thread const S& left, thread const S& right) { return !(left == right); } fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { Outputs _out; (void)_out; array f1 = array{1.0, 2.0, 3.0, 4.0}; array f2 = array{1.0, 2.0, 3.0, 4.0}; array f3 = array{1.0, 2.0, 3.0, -4.0}; array s1 = array{S{1, 2}, S{3, 4}, S{5, 6}}; array s2 = array{S{1, 2}, S{0, 0}, S{5, 6}}; array s3 = array{S{1, 2}, S{3, 4}, S{5, 6}}; _out.sk_FragColor = ((f1 == f2 && f1 != f3) && s1 != s2) && s3 == s1 ? _uniforms.colorGreen : _uniforms.colorRed; return _out; }