bf58add00e
This reverts commit e7a8f85e4f.
Reason for revert: must revert dependent CL
Original change's description:
> Only include header once in combined MSL shader.
>
> Bug: skia:11389
> Change-Id: I3e24dcaa2cfeddc7efd7985f9f42a59bfc8175f2
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/385137
> Reviewed-by: John Stiles <johnstiles@google.com>
> Commit-Queue: Jim Van Verth <jvanverth@google.com>
TBR=jvanverth@google.com,johnstiles@google.com
Change-Id: I7a886b6c57a666e54e65365e41dcb57bd9ab4ba6
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:11389
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/385237
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
35 lines
1.4 KiB
Metal
35 lines
1.4 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 Uniforms {
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float4 src;
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float4 dst;
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};
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struct Inputs {
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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 _2_n = (d.x * d.x) * (s.y - 2.0 * s.x);
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return (_2_n / d.y + (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 _3_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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return _3_n / DaSqd;
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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]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
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Outputs _out;
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(void)_out;
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_out.sk_FragColor = _uniforms.dst.w == 0.0 ? _uniforms.src : float4(_soft_light_component(_uniforms.src.xw, _uniforms.dst.xw), _soft_light_component(_uniforms.src.yw, _uniforms.dst.yw), _soft_light_component(_uniforms.src.zw, _uniforms.dst.zw), _uniforms.src.w + (1.0 - _uniforms.src.w) * _uniforms.dst.w);
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return _out;
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}
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