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avoid growing the global uniform block with duplicates

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When using GL_EXT_vulkan_glsl_relaxed, check to see if a
uniform already exists in the block uniform block, and if so,
ensure they are the same type. Otherwise, avoid growing the block
with a duplicate.
This commit is contained in:
Malcolm Bechard 2021-09-15 23:39:02 -04:00
parent 80dcc36907
commit d3bff63cae
1 changed files with 13 additions and 0 deletions
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13
glslang/MachineIndependent/ParseContextBase.cpp
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@ -622,6 +622,19 @@ void TParseContextBase::growGlobalUniformBlock(const TSourceLoc& loc, TType& mem
globalUniformBlock->getWritableType().getQualifier().layoutBinding = globalUniformBinding; globalUniformBlock->getWritableType().getQualifier().layoutBinding = globalUniformBinding;
globalUniformBlock->getWritableType().getQualifier().layoutSet = globalUniformSet; globalUniformBlock->getWritableType().getQualifier().layoutSet = globalUniformSet;
// Check for declarations of this default uniform that already exist due to other compilation units.
TSymbol* symbol = symbolTable.find(memberName);
if (symbol) {
if (memberType != symbol->getType()) {
TString err;
err += "\"" + memberType.getCompleteString() + "\"";
err += " versus ";
err += "\"" + symbol->getType().getCompleteString() + "\"";
error(loc, "Types must match:", memberType.getFieldName().c_str(), err.c_str());
}
return;
}
// Add the requested member as a member to the global block. // Add the requested member as a member to the global block.
TType* type = new TType; TType* type = new TType;
type->shallowCopy(memberType); type->shallowCopy(memberType);