#include #include using namespace metal; struct Inputs { float a; float b; float c; float4 d; float4 e; float4 f; }; struct Outputs { float4 sk_FragColor [[color(0)]]; }; fragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { Outputs _out; (void)_out; _out.sk_FragColor.x = ((((_in.c) * (_in.b) < 0) ? 1 : -1) * (_in.a)); _out.sk_FragColor = faceforward(_in.d, _in.e, _in.f); return _out; }