blob: e41697d1baab944003bbf0066dd0a48abcdca51f [file] [log] [blame]
#include <metal_stdlib>
#include <simd/simd.h>
#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_dodge_component_Qhh2h2(half2 s, half2 d);
half color_dodge_component_Qhh2h2(half2 s, half2 d) {
if (d.x == 0.0h) {
return s.x * (1.0h - d.y);
} else {
half delta = s.y - s.x;
if (delta == 0.0h) {
return (s.y * d.y + s.x * (1.0h - d.y)) + d.x * (1.0h - s.y);
} else {
delta = min(d.y, (d.x * s.y) / (delta + 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_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;
}