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SPV: Use heuristic to avoid geometry multi-streams when possible.

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This commit is contained in:
John Kessenich
2016-03-03 22:29:11 -07:00
parent 2ac71dfb78
commit f2d8a5c53f
4 changed files with 14 additions and 6 deletions
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4
SPIRV/GlslangToSpv.cpp
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@@ -1803,7 +1803,7 @@ spv::Id TGlslangToSpvTraverser::convertGlslangToSpvType(const glslang::TType& ty
// Decorate the structure
addDecoration(spvType, TranslateLayoutDecoration(type, qualifier.layoutMatrix));
addDecoration(spvType, TranslateBlockDecoration(type));
if (type.getQualifier().hasStream()) {
if (type.getQualifier().hasStream() && glslangIntermediate->isMultiStream()) {
builder.addCapability(spv::CapabilityGeometryStreams);
builder.addDecoration(spvType, spv::DecorationStream, type.getQualifier().layoutStream);
}
@@ -3599,7 +3599,7 @@ spv::Id TGlslangToSpvTraverser::getSymbolId(const glslang::TIntermSymbol* symbol
}
addDecoration(id, TranslateInvariantDecoration(symbol->getType().getQualifier()));
if (symbol->getQualifier().hasStream()) {
if (symbol->getQualifier().hasStream() && glslangIntermediate->isMultiStream()) {
builder.addCapability(spv::CapabilityGeometryStreams);
builder.addDecoration(id, spv::DecorationStream, symbol->getQualifier().layoutStream);
}