#include #include #ifdef __clang__ #pragma clang diagnostic ignored "-Wall" #endif using namespace metal; constant const half sk_PrivkGuardedDivideEpsilon = half(false ? 1e-08 : 0.0); struct Uniforms { half4 src; half4 dst; }; struct Inputs { }; struct Outputs { half4 sk_FragColor [[color(0)]]; }; half color_burn_component_Qhh2h2(half2 s, half2 d); half color_burn_component_Qhh2h2(half2 s, half2 d) { if (d.y == d.x) { return (s.y * d.y + s.x * (1.0h - d.y)) + d.x * (1.0h - s.y); } else if (s.x == 0.0h) { return d.x * (1.0h - s.y); } else { half delta = max(0.0h, d.y - ((d.y - d.x) * s.y) / (s.x + sk_PrivkGuardedDivideEpsilon)); return (delta * s.y + s.x * (1.0h - d.y)) + d.x * (1.0h - s.y); } } fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { Outputs _out; (void)_out; _out.sk_FragColor = half4(color_burn_component_Qhh2h2(_uniforms.src.xw, _uniforms.dst.xw), color_burn_component_Qhh2h2(_uniforms.src.yw, _uniforms.dst.yw), color_burn_component_Qhh2h2(_uniforms.src.zw, _uniforms.dst.zw), _uniforms.src.w + (1.0h - _uniforms.src.w) * _uniforms.dst.w); return _out; }