C++ TType::setQualifier方法代码示例

TIntermAggregate *EmulatePrecision::createCompoundAssignmentFunctionCallNode(TIntermTyped *left,
                                                                             TIntermTyped *right,
                                                                             const char *opNameStr)
{
    std::stringstream strstr = sh::InitializeStream<std::stringstream>();
    if (left->getPrecision() == EbpMedium)
        strstr << "angle_compound_" << opNameStr << "_frm";
    else
        strstr << "angle_compound_" << opNameStr << "_frl";
    ImmutableString functionName = ImmutableString(strstr.str());
    TIntermSequence *arguments   = new TIntermSequence();
    arguments->push_back(left);
    arguments->push_back(right);

    TVector<const TVariable *> parameters;
    TType *leftParamType = new TType(left->getType());
    leftParamType->setPrecision(EbpHigh);
    leftParamType->setQualifier(EvqOut);
    parameters.push_back(new TVariable(mSymbolTable, kParamXName,
                                       static_cast<const TType *>(leftParamType),
                                       SymbolType::AngleInternal));
    TType *rightParamType = new TType(right->getType());
    rightParamType->setPrecision(EbpHigh);
    rightParamType->setQualifier(EvqIn);
    parameters.push_back(new TVariable(mSymbolTable, kParamYName,
                                       static_cast<const TType *>(rightParamType),
                                       SymbolType::AngleInternal));

    return TIntermAggregate::CreateRawFunctionCall(
        *getInternalFunction(functionName, left->getType(), arguments, parameters, false),
        arguments);
}

TString ScalarizeVecAndMatConstructorArgs::createTempVariable(TIntermTyped *original)
{
    TString tempVarName = "_webgl_tmp_";
    if (original->isScalar())
    {
        tempVarName += "scalar_";
    }
    else if (original->isVector())
    {
        tempVarName += "vec_";
    }
    else
    {
        ASSERT(original->isMatrix());
        tempVarName += "mat_";
    }
    tempVarName += Str(mTempVarCount).c_str();
    mTempVarCount++;

    ASSERT(original);
    TType type = original->getType();
    type.setQualifier(EvqTemporary);

    if (mShaderType == GL_FRAGMENT_SHADER &&
        type.getBasicType() == EbtFloat &&
        type.getPrecision() == EbpUndefined)
    {
        // We use the highest available precision for the temporary variable
        // to avoid computing the actual precision using the rules defined
        // in GLSL ES 1.0 Section 4.5.2.
        type.setPrecision(mFragmentPrecisionHigh ? EbpHigh : EbpMedium);
    }

    TIntermBinary *init = new TIntermBinary(EOpInitialize);
    TIntermSymbol *symbolNode = new TIntermSymbol(-1, tempVarName, type);
    init->setLeft(symbolNode);
    init->setRight(original);
    init->setType(type);

    TIntermAggregate *decl = new TIntermAggregate(EOpDeclaration);
    decl->getSequence()->push_back(init);

    ASSERT(mSequenceStack.size() > 0);
    TIntermSequence &sequence = mSequenceStack.back();
    sequence.push_back(decl);

    return tempVarName;
}

void StructureHLSL::addConstructor(const TType &type, const TString &name, const TIntermSequence *parameters)
{
    if (name == "")
    {
        return;   // Nameless structures don't have constructors
    }

    if (type.getStruct() && mStructNames.find(name) != mStructNames.end())
    {
        return;   // Already added
    }

    TType ctorType = type;
    ctorType.clearArrayness();
    ctorType.setPrecision(EbpHigh);
    ctorType.setQualifier(EvqTemporary);

    typedef std::vector<TType> ParameterArray;
    ParameterArray ctorParameters;

    const TStructure* structure = type.getStruct();
    if (structure)
    {
        mStructNames.insert(name);

        // Add element index
        storeStd140ElementIndex(*structure, false);
        storeStd140ElementIndex(*structure, true);

        const TString &structString = defineQualified(*structure, false, false);

        if (std::find(mStructDeclarations.begin(), mStructDeclarations.end(), structString) == mStructDeclarations.end())
        {
            // Add row-major packed struct for interface blocks
            TString rowMajorString = "#pragma pack_matrix(row_major)\n" +
                defineQualified(*structure, true, false) +
                "#pragma pack_matrix(column_major)\n";

            TString std140String = defineQualified(*structure, false, true);
            TString std140RowMajorString = "#pragma pack_matrix(row_major)\n" +
                defineQualified(*structure, true, true) +
                "#pragma pack_matrix(column_major)\n";

            mStructDeclarations.push_back(structString);
            mStructDeclarations.push_back(rowMajorString);
            mStructDeclarations.push_back(std140String);
            mStructDeclarations.push_back(std140RowMajorString);
        }

        const TFieldList &fields = structure->fields();
        for (unsigned int i = 0; i < fields.size(); i++)
        {
            ctorParameters.push_back(*fields[i]->type());
        }
    }
    else if (parameters)
    {
        for (TIntermSequence::const_iterator parameter = parameters->begin(); parameter != parameters->end(); parameter++)
        {
            ctorParameters.push_back((*parameter)->getAsTyped()->getType());
        }
    }
    else UNREACHABLE();

    TString constructor;

    if (ctorType.getStruct())
    {
        constructor += name + " " + name + "_ctor(";
    }
    else   // Built-in type
    {
        constructor += TypeString(ctorType) + " " + name + "(";
    }

    for (unsigned int parameter = 0; parameter < ctorParameters.size(); parameter++)
    {
        const TType &paramType = ctorParameters[parameter];

        constructor += TypeString(paramType) + " x" + str(parameter) + ArrayString(paramType);

        if (parameter < ctorParameters.size() - 1)
        {
            constructor += ", ";
        }
    }

    constructor += ")\n"
                   "{\n";

    if (ctorType.getStruct())
    {
        constructor += "    " + name + " structure = {";
    }
    else
    {
        constructor += "    return " + TypeString(ctorType) + "(";
    }

    if (ctorType.isMatrix() && ctorParameters.size() == 1)
//.........这里部分代码省略.........