2e25ff436a
This causes a ~4% regression on sksl_large, but some of that can be bought back in two ways: 1) Removing (now unnecessary) cloning of program elements 2) Hoisting the new analysis passes, with (nontrivial) logic to update/maintain the call counts as we edit IR. Also, this fixes bugs where we were emitting functions that had "calls" from no-longer called functions. Bug: skia:10776 Change-Id: I4f8c29957be2e4233a883c9a1125f363b82ee40c Reviewed-on: https://skia-review.googlesource.com/c/skia/+/327198 Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: John Stiles <johnstiles@google.com>
25 lines
563 B
Metal
25 lines
563 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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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_atop;
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{
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_0_blend_src_atop = _in.dst.w * _in.src + (1.0 - _in.src.w) * _in.dst;
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}
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_out->sk_FragColor = _0_blend_src_atop;
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return *_out;
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}
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