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Add support for querying vertex attributes in reflection API

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This commit is contained in:
Thomas Perl 2016-05-17 13:59:13 +02:00
parent bedde872b6
commit d6e1a5b1f8
4 changed files with 42 additions and 1 deletions
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24
glslang/MachineIndependent/reflection.cpp
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@ -108,6 +108,22 @@ public:
}
}
void addAttribute(const TIntermSymbol& base)
{
if (processedDerefs.find(&base) == processedDerefs.end()) {
processedDerefs.insert(&base);
const TString &name = base.getName();
const TType &type = base.getType();
TReflection::TNameToIndex::const_iterator it = reflection.nameToIndex.find(name);
if (it == reflection.nameToIndex.end()) {
reflection.nameToIndex[name] = (int)reflection.indexToAttribute.size();
reflection.indexToAttribute.push_back(TObjectReflection(name, 0, mapToGlType(type), 0, 0));
}
}
}
// Lookup or calculate the offset of a block member, using the recursively
// defined block offset rules.
int getOffset(const TType& type, int index)
@ -671,6 +687,9 @@ void TLiveTraverser::visitSymbol(TIntermSymbol* base)
{
if (base->getQualifier().storage == EvqUniform)
addUniform(*base);
if (intermediate.getStage() == EShLangVertex && base->getQualifier().isPipeInput())
addAttribute(*base);
}
// To prune semantically dead paths.
@ -728,6 +747,11 @@ void TReflection::dump()
indexToUniformBlock[i].dump();
printf("\n");
printf("Vertex attribute reflection:\n");
for (size_t i = 0; i < indexToAttribute.size(); ++i)
indexToAttribute[i].dump();
printf("\n");
//printf("Live names\n");
//for (TNameToIndex::const_iterator it = nameToIndex.begin(); it != nameToIndex.end(); ++it)
// printf("%s: %d\n", it->first.c_str(), it->second);