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Only apply volatile semantics to atomics when using Vulkan Memory Model

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This commit is contained in:
Jeff Bolz 2019-10-17 11:22:57 -05:00
parent a959deb007
commit 016ddee83a
4 changed files with 50 additions and 1 deletions
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2
SPIRV/GlslangToSpv.cpp
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@ -6401,7 +6401,7 @@ spv::Id TGlslangToSpvTraverser::createAtomicOperation(glslang::TOperator op, spv
scopeId = builder.makeUintConstant(spv::ScopeDevice);
}
// semantics default to relaxed
spv::Id semanticsId = builder.makeUintConstant(lvalueCoherentFlags.isVolatile() ?
spv::Id semanticsId = builder.makeUintConstant(lvalueCoherentFlags.isVolatile() && glslangIntermediate->usingVulkanMemoryModel() ?
spv::MemorySemanticsVolatileMask :
spv::MemorySemanticsMaskNone);
spv::Id semanticsId2 = semanticsId;