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 half2x2 testMatrix2x2; 11}; 12struct Inputs { 13}; 14struct Outputs { 15 half4 sk_FragColor [[color(0)]]; 16}; 17 18half4 half4_from_half2x2(half2x2 x) { 19 return half4(x[0].xy, x[1].xy); 20} 21fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 22 Outputs _out; 23 (void)_out; 24 bool ok = true; 25 ok = ok && all(half4_from_half2x2(_uniforms.testMatrix2x2) == half4(1.0h, 2.0h, 3.0h, 4.0h)); 26 ok = ok && all(float4(half4_from_half2x2(_uniforms.testMatrix2x2)) == float4(1.0, 2.0, 3.0, 4.0)); 27 ok = ok && all(int4(half4_from_half2x2(_uniforms.testMatrix2x2)) == int4(1, 2, 3, 4)); 28 ok = ok && all(bool4(half4_from_half2x2(_uniforms.testMatrix2x2)) == bool4(true)); 29 _out.sk_FragColor = ok ? _uniforms.colorGreen : _uniforms.colorRed; 30 return _out; 31} 32