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 int check = 0; 20 check += int(_uniforms.colorGreen.y == 1.0h ? 0 : 1); 21 check += int(_uniforms.colorGreen.x == 1.0h); 22 check += int(all(_uniforms.colorGreen.yx == _uniforms.colorRed.xy) ? 0 : 1); 23 check += int(any(_uniforms.colorGreen.yx != _uniforms.colorRed.xy)); 24 _out.sk_FragColor = check == 0 ? _uniforms.colorGreen : _uniforms.colorRed; 25 return _out; 26} 27