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Merge pull request #827 from amdrexu/feature4

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Implement the extension SPV_KHR_16bit_storage
This commit is contained in:
John Kessenich
2017-04-08 10:03:45 -06:00
committed by GitHub
parent a09eefd8aa f89ad98013
commit ae79697db1
5 changed files with 31 additions and 0 deletions
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18
SPIRV/GlslangToSpv.cpp
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@@ -2074,6 +2074,24 @@ spv::Id TGlslangToSpvTraverser::createSpvVariable(const glslang::TIntermSymbol*
spv::StorageClass storageClass = TranslateStorageClass(node->getType());
spv::Id spvType = convertGlslangToSpvType(node->getType());
#ifdef AMD_EXTENSIONS
const bool contains16BitType = node->getType().containsBasicType(glslang::EbtFloat16);
if (contains16BitType) {
if (storageClass == spv::StorageClassInput || storageClass == spv::StorageClassOutput) {
builder.addExtension(spv::E_SPV_KHR_16bit_storage);
builder.addCapability(spv::CapabilityStorageInputOutput16);
} else if (storageClass == spv::StorageClassPushConstant) {
builder.addExtension(spv::E_SPV_KHR_16bit_storage);
builder.addCapability(spv::CapabilityStoragePushConstant16);
} else if (storageClass == spv::StorageClassUniform) {
builder.addExtension(spv::E_SPV_KHR_16bit_storage);
builder.addCapability(spv::CapabilityStorageUniform16);
if (node->getType().getQualifier().storage == glslang::EvqBuffer)
builder.addCapability(spv::CapabilityStorageUniformBufferBlock16);
}
}
#endif
const char* name = node->getName().c_str();
if (glslang::IsAnonymous(name))
name = "";