#include #include #ifdef __clang__ #pragma clang diagnostic ignored "-Wall" #endif using namespace metal; struct Uniforms { half4 colorGreen; half4 colorRed; }; struct Inputs { }; struct Outputs { half4 sk_FragColor [[color(0)]]; }; fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { Outputs _out; (void)_out; bool ok = true; uint val = uint(_uniforms.colorGreen.x); uint2 mask = uint2(val, ~val); int2 imask = int2(~mask); mask = ~mask & uint2(~imask); ok = ok && all(mask == uint2(0u)); _out.sk_FragColor = ok ? _uniforms.colorGreen : _uniforms.colorRed; return _out; }