#include #include #ifdef __clang__ #pragma clang diagnostic ignored "-Wall" #endif using namespace metal; constant const half sk_PrivkGuardedDivideEpsilon = half(false ? 1e-08 : 0.0); constant const half sk_PrivkMinNormalHalf = 6.10351562e-05h; struct Uniforms { half4 src; half4 dst; }; struct Inputs { }; struct Outputs { half4 sk_FragColor [[color(0)]]; }; half guarded_divide_Qhhh(half n, half d); half color_dodge_component_Qhh2h2(half2 s, half2 d); half guarded_divide_Qhhh(half n, half d) { return n / (d + sk_PrivkGuardedDivideEpsilon); } half color_dodge_component_Qhh2h2(half2 s, half2 d) { half dxScale = half(d.x == 0.0h ? 0 : 1); half delta = dxScale * min(d.y, abs(s.y - s.x) >= sk_PrivkMinNormalHalf ? guarded_divide_Qhhh(d.x * s.y, s.y - s.x) : d.y); 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_dodge_component_Qhh2h2(_uniforms.src.xw, _uniforms.dst.xw), color_dodge_component_Qhh2h2(_uniforms.src.yw, _uniforms.dst.yw), color_dodge_component_Qhh2h2(_uniforms.src.zw, _uniforms.dst.zw), _uniforms.src.w + (1.0h - _uniforms.src.w) * _uniforms.dst.w); return _out; }