#include #include using namespace metal; struct Uniforms { float4 colorWhite; }; struct Inputs { }; struct Outputs { float4 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; float4 x = _uniforms.colorWhite; for (float r = -5.0;r < 5.0; r += 1.0) { x.x = saturate(r); if (x.x == 0.0) break; } for (float b = 5.0;b >= 0.0; b -= 1.0) { x.z = b; if (x.w == 1.0) continue; x.y = 0.0; } _out.sk_FragColor = x; return _out; }