Method makePointer

SPIRV/SpvBuilder.cpp:148–174

}

Id Builder::makePointer(StorageClass storageClass, Id pointee)
{
    // try to find it
    Instruction* type;
    for (int t = 0; t < (int)groupedTypes[enumCast(Op::OpTypePointer)].size(); ++t) {
        type = groupedTypes[enumCast(Op::OpTypePointer)][t];
        if (type->getImmediateOperand(0) == (unsigned)storageClass &&
            type->getIdOperand(1) == pointee)
            return type->getResultId();
    }

    // not found, make it
    type = new Instruction(getUniqueId(), NoType, Op::OpTypePointer);
    type->reserveOperands(2);
    type->addImmediateOperand(storageClass);
    type->addIdOperand(pointee);
    groupedTypes[enumCast(Op::OpTypePointer)].push_back(type);
    constantsTypesGlobals.push_back(std::unique_ptr<Instruction>(type));
    module.mapInstruction(type);

    if (emitNonSemanticShaderDebugInfo) {
        const Id debugResultId = makePointerDebugType(storageClass, pointee);
        debugTypeIdLookup[type->getResultId()] = debugResultId;
    }

    return type->getResultId();
}

Id Builder::makeForwardPointer(StorageClass storageClass)
{