1#include <metal_stdlib> 2#include <simd/simd.h> 3using namespace metal; 4struct Uniforms { 5 half4 colorGreen; 6 half4 colorRed; 7 half2x2 testMatrix2x2; 8}; 9struct Inputs { 10}; 11struct Outputs { 12 half4 sk_FragColor [[color(0)]]; 13}; 14 15half4 half4_from_half2x2(half2x2 x) { 16 return half4(x[0].xy, x[1].xy); 17} 18fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 19 Outputs _out; 20 (void)_out; 21 bool ok = true; 22 ok = ok && all(half4_from_half2x2(_uniforms.testMatrix2x2) == half4(1.0h, 2.0h, 3.0h, 4.0h)); 23 ok = ok && all(float4(half4_from_half2x2(_uniforms.testMatrix2x2)) == float4(1.0, 2.0, 3.0, 4.0)); 24 ok = ok && all(int4(half4_from_half2x2(_uniforms.testMatrix2x2)) == int4(1, 2, 3, 4)); 25 ok = ok && all(bool4(half4_from_half2x2(_uniforms.testMatrix2x2)) == bool4(true, true, true, true)); 26 _out.sk_FragColor = ok ? _uniforms.colorGreen : _uniforms.colorRed; 27 return _out; 28} 29