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Non-functional: Factor out entry-point logic from handleFunctionDefinition().

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This commit is contained in:
John Kessenich 2017-01-18 16:45:02 -07:00
parent 33dadd1287
commit 94dfb7a523
3 changed files with 43 additions and 29 deletions
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4
glslang/Include/revision.h
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@ -2,5 +2,5 @@
// For the version, it uses the latest git tag followed by the number of commits.
// For the date, it uses the current date (when then script is run).
#define GLSLANG_REVISION "Overload400-PrecQual.1770"
#define GLSLANG_DATE "13-Jan-2017"
#define GLSLANG_REVISION "Overload400-PrecQual.1772"
#define GLSLANG_DATE "18-Jan-2017"

67
hlsl/hlslParseHelper.cpp
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@ -1572,20 +1572,9 @@ TIntermAggregate* HlslParseContext::handleFunctionDefinition(const TSourceLoc& l
currentFunctionType = new TType(EbtVoid);
functionReturnsValue = false;
inEntryPoint = function.getName().compare(intermediate.getEntryPointName().c_str()) == 0;
if (inEntryPoint) {
intermediate.setEntryPointMangledName(function.getMangledName().c_str());
intermediate.incrementEntryPointCount();
remapEntryPointIO(function);
if (entryPointOutput) {
if (shouldFlatten(entryPointOutput->getType()))
flatten(loc, *entryPointOutput);
if (shouldSplit(entryPointOutput->getType()))
split(*entryPointOutput);
assignLocations(*entryPointOutput);
}
} else
remapNonEntryPointIO(function);
// Entry points need different I/O and other handling, transform it so the
// rest of this function doesn't care.
transformEntryPoint(loc, function, attributes);
// Insert the $Global constant buffer.
// TODO: this design fails if new members are declared between function definitions.
@ -1649,23 +1638,47 @@ TIntermAggregate* HlslParseContext::handleFunctionDefinition(const TSourceLoc& l
controlFlowNestingLevel = 0;
postEntryPointReturn = false;
// Handle function attributes
if (inEntryPoint) {
const TIntermAggregate* numThreads = attributes[EatNumThreads];
if (numThreads != nullptr) {
const TIntermSequence& sequence = numThreads->getSequence();
return paramNodes;
}
for (int lid = 0; lid < int(sequence.size()); ++lid)
intermediate.setLocalSize(lid, sequence[lid]->getAsConstantUnion()->getConstArray()[0].getIConst());
}
//
// Do all special handling for the entry point.
//
void HlslParseContext::transformEntryPoint(const TSourceLoc& loc, TFunction& function, const TAttributeMap& attributes)
{
inEntryPoint = function.getName().compare(intermediate.getEntryPointName().c_str()) == 0;
const TIntermAggregate* maxVertexCount = attributes[EatMaxVertexCount];
if (maxVertexCount != nullptr) {
intermediate.setVertices(maxVertexCount->getSequence()[0]->getAsConstantUnion()->getConstArray()[0].getIConst());
}
if (!inEntryPoint) {
remapNonEntryPointIO(function);
return;
}
return paramNodes;
// entry point logic...
intermediate.setEntryPointMangledName(function.getMangledName().c_str());
intermediate.incrementEntryPointCount();
// Handle parameters and return value
remapEntryPointIO(function);
if (entryPointOutput) {
if (shouldFlatten(entryPointOutput->getType()))
flatten(loc, *entryPointOutput);
if (shouldSplit(entryPointOutput->getType()))
split(*entryPointOutput);
assignLocations(*entryPointOutput);
}
// Handle function attributes
const TIntermAggregate* numThreads = attributes[EatNumThreads];
if (numThreads != nullptr) {
const TIntermSequence& sequence = numThreads->getSequence();
for (int lid = 0; lid < int(sequence.size()); ++lid)
intermediate.setLocalSize(lid, sequence[lid]->getAsConstantUnion()->getConstArray()[0].getIConst());
}
const TIntermAggregate* maxVertexCount = attributes[EatMaxVertexCount];
if (maxVertexCount != nullptr)
intermediate.setVertices(maxVertexCount->getSequence()[0]->getAsConstantUnion()->getConstArray()[0].getIConst());
}
void HlslParseContext::handleFunctionBody(const TSourceLoc& loc, TFunction& function, TIntermNode* functionBody, TIntermNode*& node)

1
hlsl/hlslParseHelper.h
View File

@ -73,6 +73,7 @@ public:
void assignLocations(TVariable& variable);
TFunction& handleFunctionDeclarator(const TSourceLoc&, TFunction& function, bool prototype);
TIntermAggregate* handleFunctionDefinition(const TSourceLoc&, TFunction&, const TAttributeMap&);
void transformEntryPoint(const TSourceLoc&, TFunction&, const TAttributeMap&);
void handleFunctionBody(const TSourceLoc&, TFunction&, TIntermNode* functionBody, TIntermNode*& node);
void remapEntryPointIO(TFunction& function);
void remapNonEntryPointIO(TFunction& function);