1#include <metal_stdlib> 2#include <simd/simd.h> 3#ifdef __clang__ 4#pragma clang diagnostic ignored "-Wall" 5#endif 6using namespace metal; 7struct Uniforms { 8 float2x2 testMatrix2x2; 9 half4 colorGreen; 10 half4 colorRed; 11}; 12struct Inputs { 13}; 14struct Outputs { 15 half4 sk_FragColor [[color(0)]]; 16}; 17float4 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]]) { 18 Outputs _out; 19 (void)_out; 20 const float4 negativeVal = float4(-1.0, -4.0, -16.0, -64.0); 21 coords = sqrt(negativeVal).xy; 22 float4 inputVal = float4_from_float2x2(_uniforms.testMatrix2x2) + float4(0.0, 2.0, 6.0, 12.0); 23 const float4 expected = float4(1.0, 2.0, 3.0, 4.0); 24 const float4 allowedDelta = float4(0.05); 25 _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; 26 return _out; 27} 28