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HLSL: Protect against some crashes

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Hodgman 2019-01-22 13:21:11 +11:00 committed by John Kessenich
parent 4e06d7a2bb
commit 0bb89f5809
1 changed files with 6 additions and 4 deletions
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8
hlsl/hlslParseHelper.cpp
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@ -3256,7 +3256,8 @@ void HlslParseContext::decomposeStructBufferMethods(const TSourceLoc& loc, TInte
if (argAggregate) {
if (argAggregate->getSequence().empty())
return;
bufferObj = argAggregate->getSequence()[0]->getAsTyped();
if (argAggregate->getSequence()[0])
bufferObj = argAggregate->getSequence()[0]->getAsTyped();
} else {
bufferObj = arguments->getAsSymbolNode();
}
@ -3756,6 +3757,7 @@ void HlslParseContext::decomposeSampleMethods(const TSourceLoc& loc, TIntermType
return;
} else {
if (argAggregate->getSequence().size() == 0 ||
argAggregate->getSequence()[0] == nullptr ||
argAggregate->getSequence()[0]->getAsTyped()->getBasicType() != EbtSampler)
return;
}
@ -5294,7 +5296,7 @@ TIntermTyped* HlslParseContext::handleFunctionCall(const TSourceLoc& loc, TFunct
TIntermTyped* arg0 = nullptr;
if (aggregate && aggregate->getSequence().size() > 0)
if (aggregate && aggregate->getSequence().size() > 0 && aggregate->getSequence()[0])
arg0 = aggregate->getSequence()[0]->getAsTyped();
else if (arguments->getAsSymbolNode())
arg0 = arguments->getAsSymbolNode();
@ -5768,7 +5770,7 @@ void HlslParseContext::addStructBuffArguments(const TSourceLoc& loc, TIntermAggr
std::any_of(aggregate->getSequence().begin(),
aggregate->getSequence().end(),
[this](const TIntermNode* node) {
return (node->getAsTyped() != nullptr) && hasStructBuffCounter(node->getAsTyped()->getType());
return (node && node->getAsTyped() != nullptr) && hasStructBuffCounter(node->getAsTyped()->getType());
});
// Nothing to do, if we didn't find one.