1#include <metal_stdlib> 2#include <simd/simd.h> 3using namespace metal; 4struct Uniforms { 5 half4 colorGreen; 6 half4 colorRed; 7 float2x2 testMatrix2x2; 8 half3x3 testMatrix3x3; 9}; 10struct Inputs { 11}; 12struct Outputs { 13 half4 sk_FragColor [[color(0)]]; 14}; 15 16thread bool operator==(const half2x2 left, const half2x2 right); 17thread bool operator!=(const half2x2 left, const half2x2 right); 18 19thread bool operator==(const float2x2 left, const float2x2 right); 20thread bool operator!=(const float2x2 left, const float2x2 right); 21 22thread bool operator==(const half3x3 left, const half3x3 right); 23thread bool operator!=(const half3x3 left, const half3x3 right); 24 25template <typename T, int C, int R> 26matrix<T, C, R> matrixCompMult(matrix<T, C, R> a, const matrix<T, C, R> b) { 27 for (int c = 0; c < C; ++c) { 28 a[c] *= b[c]; 29 } 30 return a; 31} 32thread bool operator==(const half2x2 left, const half2x2 right) { 33 return all(left[0] == right[0]) && 34 all(left[1] == right[1]); 35} 36thread bool operator!=(const half2x2 left, const half2x2 right) { 37 return !(left == right); 38} 39thread bool operator==(const float2x2 left, const float2x2 right) { 40 return all(left[0] == right[0]) && 41 all(left[1] == right[1]); 42} 43thread bool operator!=(const float2x2 left, const float2x2 right) { 44 return !(left == right); 45} 46thread bool operator==(const half3x3 left, const half3x3 right) { 47 return all(left[0] == right[0]) && 48 all(left[1] == right[1]) && 49 all(left[2] == right[2]); 50} 51thread bool operator!=(const half3x3 left, const half3x3 right) { 52 return !(left == right); 53} 54fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 55 Outputs _out; 56 (void)_out; 57 half2x2 h22 = half2x2(half2(0.0h, 5.0h), half2(10.0h, 15.0h)); 58 float2x2 f22 = matrixCompMult(_uniforms.testMatrix2x2, float2x2(1.0)); 59 half3x3 h33 = matrixCompMult(_uniforms.testMatrix3x3, half3x3(half3(2.0h, 2.0h, 2.0h), half3(2.0h, 2.0h, 2.0h), half3(2.0h, 2.0h, 2.0h))); 60 _out.sk_FragColor = (h22 == half2x2(half2(0.0h, 5.0h), half2(10.0h, 15.0h)) && f22 == float2x2(float2(1.0, 0.0), float2(0.0, 4.0))) && h33 == half3x3(half3(2.0h, 4.0h, 6.0h), half3(8.0h, 10.0h, 12.0h), half3(14.0h, 16.0h, 18.0h)) ? _uniforms.colorGreen : _uniforms.colorRed; 61 return _out; 62} 63