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}; 11struct Inputs { 12}; 13struct Outputs { 14 half4 sk_FragColor [[color(0)]]; 15}; 16fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 17 Outputs _out; 18 (void)_out; 19 bool ok = true; 20 ok = ok && _uniforms.colorGreen.y == 1.0h; 21 ok = ok && _uniforms.colorGreen.x != 1.0h; 22 ok = ok && all(_uniforms.colorGreen.yx == _uniforms.colorRed.xy); 23 ok = ok && all(_uniforms.colorGreen.yx == _uniforms.colorRed.xy); 24 ok = ok && (all(_uniforms.colorGreen.yx == _uniforms.colorRed.xy) || _uniforms.colorGreen.w != _uniforms.colorRed.w); 25 ok = ok && (any(_uniforms.colorGreen.yx != _uniforms.colorRed.xy) && _uniforms.colorGreen.w == _uniforms.colorRed.w); 26 _out.sk_FragColor = ok ? _uniforms.colorGreen : _uniforms.colorRed; 27 return _out; 28} 29