#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 _out; (void)_out; float2x2 m1 = float2x2(float2(1.0, 2.0), float2(3.0, 4.0)); _out.sk_FragColor = m1[0].xyxy; return _out; }