skia2/tests/sksl/blend/BlendHardLight.metal
John Stiles bfc9be0f77 Migrate SkSL test inputs to the resources/ directory.
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>
2021-01-22 18:57:29 +00:00

26 lines
875 B
Metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Inputs {
float4 src;
float4 dst;
};
struct Outputs {
float4 sk_FragColor [[color(0)]];
};
float _blend_overlay_component(float2 s, float2 d) {
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);
}
fragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
Outputs _out;
(void)_out;
float4 _2_result = float4(_blend_overlay_component(_in.dst.xw, _in.src.xw), _blend_overlay_component(_in.dst.yw, _in.src.yw), _blend_overlay_component(_in.dst.zw, _in.src.zw), _in.dst.w + (1.0 - _in.dst.w) * _in.src.w);
_2_result.xyz = _2_result.xyz + _in.src.xyz * (1.0 - _in.dst.w) + _in.dst.xyz * (1.0 - _in.src.w);
_out.sk_FragColor = _2_result;
return _out;
}