#include #include using namespace metal; struct Inputs { }; struct Outputs { float4 sk_FragColor [[color(0)]]; }; struct Globals { float3x3 a; float3x3 b; float4x4 c; float4x4 d; }; template matrix matrixCompMult(matrix a, matrix b) { matrix result; for (int c = 0; c < C; ++c) { result[c] = a[c] * b[c]; } return result; } fragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { Globals _globals{{}, {}, {}, {}}; (void)_globals; Outputs _out; (void)_out; _out.sk_FragColor.xyz = matrixCompMult(_globals.a, _globals.b)[0]; _out.sk_FragColor = matrixCompMult(_globals.c, _globals.d)[0]; return _out; }