本文整理汇总了C++中TIntermTyped::getAsConstantUnion方法的典型用法代码示例。如果您正苦于以下问题：C++ TIntermTyped::getAsConstantUnion方法的具体用法？C++ TIntermTyped::getAsConstantUnion怎么用？C++ TIntermTyped::getAsConstantUnion使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TIntermTyped的用法示例。
在下文中一共展示了TIntermTyped::getAsConstantUnion方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: switch
//
// Add one node as the parent of another that it operates on.
//
// Returns the added node.
//
TIntermTyped *TIntermediate::addUnaryMath(
TOperator op, TIntermNode *childNode, const TSourceLoc &line)
{
TIntermUnary *node;
TIntermTyped *child = childNode->getAsTyped();
if (child == NULL)
{
mInfoSink.info.message(EPrefixInternalError, line,
"Bad type in AddUnaryMath");
return NULL;
}
switch (op)
{
case EOpLogicalNot:
if (child->getType().getBasicType() != EbtBool ||
child->getType().isMatrix() ||
child->getType().isArray() ||
child->getType().isVector())
{
return NULL;
}
break;
case EOpPostIncrement:
case EOpPreIncrement:
case EOpPostDecrement:
case EOpPreDecrement:
case EOpNegative:
case EOpPositive:
if (child->getType().getBasicType() == EbtStruct ||
child->getType().isArray())
{
return NULL;
}
default:
break;
}
TIntermConstantUnion *childTempConstant = 0;
if (child->getAsConstantUnion())
childTempConstant = child->getAsConstantUnion();
//
// Make a new node for the operator.
//
node = new TIntermUnary(op);
node->setLine(line);
node->setOperand(child);
if (!node->promote(mInfoSink))
return 0;
if (childTempConstant)
{
TIntermTyped *newChild = childTempConstant->fold(op, 0, mInfoSink);
if (newChild)
return newChild;
}
return node;
}示例2: addUnaryMath
//
// Add one node as the parent of another that it operates on.
//
// Returns the added node.
//
TIntermTyped* TIntermediate::addUnaryMath(TOperator op, TIntermNode* childNode, TSourceLoc line, TSymbolTable& symbolTable)
{
TIntermUnary* node;
TIntermTyped* child = childNode->getAsTyped();
if (child == 0) {
infoSink.info.message(EPrefixInternalError, "Bad type in AddUnaryMath", line);
return 0;
}
switch (op) {
case EOpLogicalNot:
if (child->getType().getBasicType() != EbtBool || child->getType().isMatrix() || child->getType().isArray() || child->getType().isVector()) {
return 0;
}
break;
case EOpPostIncrement:
case EOpPreIncrement:
case EOpPostDecrement:
case EOpPreDecrement:
case EOpNegative:
if (child->getType().getBasicType() == EbtStruct || child->getType().isArray())
return 0;
default: break;
}
//
// Do we need to promote the operand?
//
// Note: Implicit promotions were removed from the language.
//
TBasicType newType = EbtVoid;
switch (op) {
case EOpConstructInt: newType = EbtInt; break;
case EOpConstructBool: newType = EbtBool; break;
case EOpConstructFloat: newType = EbtFloat; break;
default: break;
}
if (newType != EbtVoid) {
child = addConversion(op, TType(newType, child->getPrecision(), EvqTemporary,
child->getNominalSize(),
child->isMatrix(),
child->isArray()),
child);
if (child == 0)
return 0;
}
//
// For constructors, we are now done, it's all in the conversion.
//
switch (op) {
case EOpConstructInt:
case EOpConstructBool:
case EOpConstructFloat:
return child;
default: break;
}
TIntermConstantUnion *childTempConstant = 0;
if (child->getAsConstantUnion())
childTempConstant = child->getAsConstantUnion();
//
// Make a new node for the operator.
//
node = new TIntermUnary(op);
if (line == 0)
line = child->getLine();
node->setLine(line);
node->setOperand(child);
if (! node->promote(infoSink))
return 0;
if (childTempConstant) {
TIntermTyped* newChild = childTempConstant->fold(op, 0, infoSink);
if (newChild)
return newChild;
}
return node;
}