#include #include #ifdef __clang__ #pragma clang diagnostic ignored "-Wall" #endif using namespace metal; struct Uniforms { float3x3 testMatrix3x3; half4 colorGreen; half4 colorRed; }; struct Inputs { }; struct Outputs { half4 sk_FragColor [[color(0)]]; }; fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { Outputs _out; (void)_out; const float3 expected1 = float3(-3.0, 6.0, -3.0); const float3 expected2 = float3(6.0, -12.0, 6.0); _out.sk_FragColor = all(cross(_uniforms.testMatrix3x3[0], _uniforms.testMatrix3x3[1]) == expected1) && all(cross(_uniforms.testMatrix3x3[2], _uniforms.testMatrix3x3[0]) == expected2) ? _uniforms.colorGreen : _uniforms.colorRed; return _out; }