#include #include #ifdef __clang__ #pragma clang diagnostic ignored "-Wall" #endif using namespace metal; struct Uniforms { float2x2 testMatrix2x2; half4 colorGreen; half4 colorRed; }; struct Inputs { }; struct Outputs { half4 sk_FragColor [[color(0)]]; }; float4 float4_from_float2x2(float2x2 x) { return float4(x[0].xy, x[1].xy); } fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { Outputs _out; (void)_out; const float4 negativeVal = float4(-1.0, -4.0, -16.0, -64.0); coords = sqrt(negativeVal).xy; float4 inputVal = float4_from_float2x2(_uniforms.testMatrix2x2) + float4(0.0, 2.0, 6.0, 12.0); const float4 expected = float4(1.0, 2.0, 3.0, 4.0); const float4 allowedDelta = float4(0.05); _out.sk_FragColor = ((abs(sqrt(inputVal.x) - 1.0) < 0.05 && all((abs(sqrt(inputVal.xy) - float2(1.0, 2.0)) < float2(0.05)))) && all((abs(sqrt(inputVal.xyz) - float3(1.0, 2.0, 3.0)) < float3(0.05)))) && all((abs(sqrt(inputVal) - expected) < allowedDelta)) ? _uniforms.colorGreen : _uniforms.colorRed; return _out; }