#include #include using namespace metal; struct Uniforms { half4 colorWhite; 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; half2 x = _uniforms.colorWhite.xy; x = -x; _out.sk_FragColor = all(x == half2(-1.0h)) ? _uniforms.colorGreen : _uniforms.colorRed; return _out; }