blob: 4eaf03271be38782e2fc21d985f17a73d425ec18 [file] [log] [blame]
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Inputs {
float4 src;
float4 dst;
};
struct Outputs {
float4 sk_FragColor [[color(0)]];
};
float _color_dodge_component(float2 s, float2 d) {
if (d.x == 0.0) {
return s.x * (1.0 - d.y);
} else {
float delta = s.y - s.x;
if (delta == 0.0) {
return (s.y * d.y + s.x * (1.0 - d.y)) + d.x * (1.0 - s.y);
} else {
float _4_guarded_divide;
float _5_n = d.x * s.y;
{
_4_guarded_divide = _5_n / delta;
}
delta = min(d.y, _4_guarded_divide);
return (delta * s.y + s.x * (1.0 - d.y)) + d.x * (1.0 - s.y);
}
}
}
fragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
Outputs _outputStruct;
thread Outputs* _out = &_outputStruct;
float4 _0_blend_color_dodge;
{
_0_blend_color_dodge = float4(_color_dodge_component(_in.src.xw, _in.dst.xw), _color_dodge_component(_in.src.yw, _in.dst.yw), _color_dodge_component(_in.src.zw, _in.dst.zw), _in.src.w + (1.0 - _in.src.w) * _in.dst.w);
}
_out->sk_FragColor = _0_blend_color_dodge;
return *_out;
}