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 half4 colorGreen; 9 half4 colorRed; 10 float3x3 testMatrix3x3; 11 float4x4 testMatrix4x4; 12}; 13struct Inputs { 14}; 15struct Outputs { 16 half4 sk_FragColor [[color(0)]]; 17}; 18bool test3x3_b(Uniforms _uniforms) { 19 float3 expected = float3(3.0, 2.0, 1.0); 20 for (int c = 0;c < 3; ++c) { 21 float3 vec = _uniforms.testMatrix3x3[c]; 22 for (int r = 0;r < 3; ++r) { 23 if (vec[uint3(2, 1, 0)[r]] != expected[r]) { 24 return false; 25 } 26 } 27 expected += 3.0; 28 } 29 return true; 30} 31bool test4x4_b(Uniforms _uniforms) { 32 float4 expected = float4(4.0, 3.0, 2.0, 1.0); 33 for (int c = 0;c < 4; ++c) { 34 float4 vec = _uniforms.testMatrix4x4[c]; 35 for (int r = 0;r < 4; ++r) { 36 if (vec[uint4(3, 2, 1, 0)[r]] != expected[r]) { 37 return false; 38 } 39 } 40 expected += 4.0; 41 } 42 return true; 43} 44fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 45 Outputs _out; 46 (void)_out; 47 _out.sk_FragColor = test3x3_b(_uniforms) && test4x4_b(_uniforms) ? _uniforms.colorGreen : _uniforms.colorRed; 48 return _out; 49} 50