26 lines
625 B
Metal
26 lines
625 B
Metal
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#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 srcdst;
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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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float4 blend_src_over(float4 src, float4 dst) {
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return src + (1.0 - src.w) * dst;
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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_src_over;
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{
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_0_blend_src_over = _in.src + (1.0 - _in.src.w) * _in.dst;
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}
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_out->sk_FragColor = _0_blend_src_over;
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return *_out;
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}
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