fa9a08369e
If we aren't wrapping the inlined function body in a loop, there's no need to add a scopeless Block; we've already got one. This doesn't affect the final output meaningfully--it just suppresses a newline--but it's one fewer IRNode allocation. Change-Id: Ib7b0014e908586d8acfcf6c23520873fad31d0b7 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/345163 Commit-Queue: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com> Auto-Submit: John Stiles <johnstiles@google.com>
43 lines
1.6 KiB
Metal
43 lines
1.6 KiB
Metal
#include <metal_stdlib>
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#include <simd/simd.h>
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using namespace metal;
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struct Inputs {
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float4 src;
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float4 dst;
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};
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struct Outputs {
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float4 sk_FragColor [[color(0)]];
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};
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float _soft_light_component(float2 s, float2 d) {
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if (2.0 * s.x <= s.y) {
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float _7_guarded_divide;
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float _8_n = (d.x * d.x) * (s.y - 2.0 * s.x);
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_7_guarded_divide = _8_n / d.y;
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return (_7_guarded_divide + (1.0 - d.y) * s.x) + d.x * ((-s.y + 2.0 * s.x) + 1.0);
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} else if (4.0 * d.x <= d.y) {
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float DSqd = d.x * d.x;
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float DCub = DSqd * d.x;
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float DaSqd = d.y * d.y;
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float DaCub = DaSqd * d.y;
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float _9_guarded_divide;
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float _10_n = ((DaSqd * (s.x - d.x * ((3.0 * s.y - 6.0 * s.x) - 1.0)) + ((12.0 * d.y) * DSqd) * (s.y - 2.0 * s.x)) - (16.0 * DCub) * (s.y - 2.0 * s.x)) - DaCub * s.x;
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_9_guarded_divide = _10_n / DaSqd;
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return _9_guarded_divide;
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} else {
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return ((d.x * ((s.y - 2.0 * s.x) + 1.0) + s.x) - sqrt(d.y * d.x) * (s.y - 2.0 * s.x)) - d.y * s.x;
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}
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}
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fragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
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Outputs _outputStruct;
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thread Outputs* _out = &_outputStruct;
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float4 _0_blend_soft_light;
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_0_blend_soft_light = _in.dst.w == 0.0 ? _in.src : float4(_soft_light_component(_in.src.xw, _in.dst.xw), _soft_light_component(_in.src.yw, _in.dst.yw), _soft_light_component(_in.src.zw, _in.dst.zw), _in.src.w + (1.0 - _in.src.w) * _in.dst.w);
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_out->sk_FragColor = _0_blend_soft_light;
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return *_out;
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}
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