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only use dead input elimination on vertex shaders

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It can't be safely used unilaterally on other stages, since that will
result in output/input mismatches between stages. They arn't
having their output variables eliminated accordingly.
This commit is contained in:
Malcolm Bechard 2022-09-28 00:07:01 -04:00
parent b40f87f1d3
commit d11c3ff315
1 changed files with 2 additions and 1 deletions
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SPIRV/SpvTools.cpp
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@ -212,6 +212,7 @@ void SpirvToolsTransform(const glslang::TIntermediate& intermediate, std::vector
optimizer.RegisterPass(spvtools::CreateInterpolateFixupPass()); optimizer.RegisterPass(spvtools::CreateInterpolateFixupPass());
if (options->optimizeSize) { if (options->optimizeSize) {
optimizer.RegisterPass(spvtools::CreateRedundancyEliminationPass()); optimizer.RegisterPass(spvtools::CreateRedundancyEliminationPass());
if (intermediate.getStage() == EShLanguage::EShLangVertex)
optimizer.RegisterPass(spvtools::CreateEliminateDeadInputComponentsPass()); optimizer.RegisterPass(spvtools::CreateEliminateDeadInputComponentsPass());
} }
optimizer.RegisterPass(spvtools::CreateAggressiveDCEPass()); optimizer.RegisterPass(spvtools::CreateAggressiveDCEPass());