void CollectVariables::visitVariable(const TIntermSymbol *variable,
std::vector<InterfaceBlock> *infoList) const
{
InterfaceBlock interfaceBlock;
const TInterfaceBlock *blockType = variable->getType().getInterfaceBlock();
ASSERT(blockType);
interfaceBlock.name = blockType->name().c_str();
interfaceBlock.mappedName = TIntermTraverser::hash(variable->getSymbol(), mHashFunction).c_str();
interfaceBlock.instanceName = (blockType->hasInstanceName() ? blockType->instanceName().c_str() : "");
interfaceBlock.arraySize = variable->getArraySize();
interfaceBlock.isRowMajorLayout = (blockType->matrixPacking() == EmpRowMajor);
interfaceBlock.layout = GetBlockLayoutType(blockType->blockStorage());
// Gather field information
const TFieldList &fieldList = blockType->fields();
for (size_t fieldIndex = 0; fieldIndex < fieldList.size(); ++fieldIndex)
{
const TField &field = *fieldList[fieldIndex];
const TString &fullFieldName = InterfaceBlockFieldName(*blockType, field);
const TType &fieldType = *field.type();
GetVariableTraverser traverser(mSymbolTable);
traverser.traverse(fieldType, fullFieldName, &interfaceBlock.fields);
interfaceBlock.fields.back().isRowMajorLayout = (fieldType.getLayoutQualifier().matrixPacking == EmpRowMajor);
}
infoList->push_back(interfaceBlock);
}
TString UniformHLSL::interfaceBlocksHeader(const ReferencedSymbols &referencedInterfaceBlocks)
{
TString interfaceBlocks;
for (ReferencedSymbols::const_iterator interfaceBlockIt = referencedInterfaceBlocks.begin();
interfaceBlockIt != referencedInterfaceBlocks.end(); interfaceBlockIt++)
{
const TType &nodeType = interfaceBlockIt->second->getType();
const TInterfaceBlock &interfaceBlock = *nodeType.getInterfaceBlock();
const TFieldList &fieldList = interfaceBlock.fields();
unsigned int arraySize = static_cast<unsigned int>(interfaceBlock.arraySize());
InterfaceBlock activeBlock(interfaceBlock.name().c_str(), arraySize, mInterfaceBlockRegister);
for (unsigned int typeIndex = 0; typeIndex < fieldList.size(); typeIndex++)
{
const TField &field = *fieldList[typeIndex];
const TString &fullFieldName = InterfaceBlockFieldName(interfaceBlock, field);
bool isRowMajor = (field.type()->getLayoutQualifier().matrixPacking == EmpRowMajor);
GetInterfaceBlockFieldTraverser traverser(&activeBlock.fields, isRowMajor);
traverser.traverse(*field.type(), fullFieldName);
}
mInterfaceBlockRegisterMap[activeBlock.name] = mInterfaceBlockRegister;
mInterfaceBlockRegister += std::max(1u, arraySize);
BlockLayoutType blockLayoutType = GetBlockLayoutType(interfaceBlock.blockStorage());
SetBlockLayout(&activeBlock, blockLayoutType);
if (interfaceBlock.matrixPacking() == EmpRowMajor)
{
activeBlock.isRowMajorLayout = true;
}
mActiveInterfaceBlocks.push_back(activeBlock);
if (interfaceBlock.hasInstanceName())
{
interfaceBlocks += interfaceBlockStructString(interfaceBlock);
}
if (arraySize > 0)
{
for (unsigned int arrayIndex = 0; arrayIndex < arraySize; arrayIndex++)
{
interfaceBlocks += interfaceBlockString(interfaceBlock, activeBlock.registerIndex + arrayIndex, arrayIndex);
}
}
else
{
interfaceBlocks += interfaceBlockString(interfaceBlock, activeBlock.registerIndex, GL_INVALID_INDEX);
}
}
return (interfaceBlocks.empty() ? "" : ("// Interface Blocks\n\n" + interfaceBlocks));
}