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 float4 testMatrix2x2; 9 half4 colorGreen; 10 half4 colorRed; 11}; 12struct Inputs { 13}; 14struct Outputs { 15 half4 sk_FragColor [[color(0)]]; 16}; 17fragment 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 float4 inputVal = _uniforms.testMatrix2x2 + float4(2.0, -2.0, 1.0, 8.0); 21 float4 expected = float4(3.0, 3.0, 5.0, 13.0); 22 const float allowedDelta = 0.05; 23 _out.sk_FragColor = ((((((abs(abs(inputVal.x) - expected.x) < allowedDelta && abs(length(inputVal.xy) - expected.y) < allowedDelta) && abs(length(inputVal.xyz) - expected.z) < allowedDelta) && abs(length(inputVal) - expected.w) < allowedDelta) && abs(3.0 - expected.x) < allowedDelta) && abs(3.0 - expected.y) < allowedDelta) && abs(5.0 - expected.z) < allowedDelta) && abs(13.0 - expected.w) < allowedDelta ? _uniforms.colorGreen : _uniforms.colorRed; 24 return _out; 25} 26