1#include <metal_stdlib> 2#include <simd/simd.h> 3using namespace metal; 4struct Uniforms { 5 float testInput; 6 float2x2 testMatrix2x2; 7 half4 colorGreen; 8 half4 colorRed; 9}; 10struct Inputs { 11}; 12struct Outputs { 13 half4 sk_FragColor [[color(0)]]; 14}; 15 16float4 float4_from_float2x2(float2x2 x) { 17 return float4(x[0].xy, x[1].xy); 18} 19fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 20 Outputs _out; 21 (void)_out; 22 float4 inputVal = float4_from_float2x2(_uniforms.testMatrix2x2) * float4(1.0, 1.0, -1.0, -1.0); 23 const uint4 expectedB = uint4(1065353216u, 1073741824u, 3225419776u, 3229614080u); 24 _out.sk_FragColor = ((as_type<uint>(inputVal.x) == 1065353216u && all(as_type<uint2>(inputVal.xy) == uint2(1065353216u, 1073741824u))) && all(as_type<uint3>(inputVal.xyz) == uint3(1065353216u, 1073741824u, 3225419776u))) && all(as_type<uint4>(inputVal) == expectedB) ? _uniforms.colorGreen : _uniforms.colorRed; 25 return _out; 26} 27