bfc9be0f77
This will allow us to load these inputs for unit testing in `dm`. Change-Id: Id256ba7c30d3ec94b98048e47af44cf9efe580d5 Bug: skia:11009 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/357282 Commit-Queue: John Stiles <johnstiles@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
25 lines
874 B
Metal
25 lines
874 B
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 _blend_overlay_component(float2 s, float2 d) {
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return 2.0 * d.x <= d.y ? (2.0 * s.x) * d.x : s.y * d.y - (2.0 * (d.y - d.x)) * (s.y - s.x);
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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 _out;
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(void)_out;
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float4 _1_result = float4(_blend_overlay_component(_in.src.xw, _in.dst.xw), _blend_overlay_component(_in.src.yw, _in.dst.yw), _blend_overlay_component(_in.src.zw, _in.dst.zw), _in.src.w + (1.0 - _in.src.w) * _in.dst.w);
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_1_result.xyz = _1_result.xyz + _in.dst.xyz * (1.0 - _in.src.w) + _in.src.xyz * (1.0 - _in.dst.w);
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_out.sk_FragColor = _1_result;
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return _out;
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}
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