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Fix #2191: Error check for indexing reference containing unsize array.

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This commit is contained in:
John Kessenich 2020-05-01 08:19:59 -06:00
parent 2ac3c5b6d6
commit b5f003d7a3
3 changed files with 20 additions and 6 deletions
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14
glslang/MachineIndependent/ParseHelper.cpp
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@ -428,8 +428,18 @@ TIntermTyped* TParseContext::handleBracketDereference(const TSourceLoc& loc, TIn
#ifndef GLSLANG_WEB
if (base->isReference() && ! base->isArray()) {
requireExtensions(loc, 1, &E_GL_EXT_buffer_reference2, "buffer reference indexing");
result = intermediate.addBinaryMath(EOpAdd, base, index, loc);
result->setType(base->getType());
if (base->getType().getReferentType()->containsUnsizedArray()) {
error(loc, "cannot index reference to buffer containing an unsized array", "", "");
result = nullptr;
} else {
result = intermediate.addBinaryMath(EOpAdd, base, index, loc);
if (result != nullptr)
result->setType(base->getType());
}
if (result == nullptr) {
error(loc, "cannot index buffer reference", "", "");
result = intermediate.addConstantUnion(0.0, EbtFloat, loc);
}
return result;
}
if (base->getAsSymbolNode() && isIoResizeArray(base->getType()))