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HLSL: Handle swizzles on vectors of size 1. Addresses issue #453.

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This commit is contained in:
John Kessenich 2016-09-02 22:21:25 -06:00
parent 841db35bb3
commit 7d01bd6f0b
5 changed files with 34 additions and 9 deletions
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9
hlsl/hlslParseHelper.cpp
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@ -641,6 +641,15 @@ TIntermTyped* HlslParseContext::handleDotDereference(const TSourceLoc& loc, TInt
return addConstructor(loc, base, type);
}
}
if (base->getVectorSize() == 1) {
TType scalarType(base->getBasicType(), EvqTemporary, 1);
if (fields.num == 1)
return addConstructor(loc, base, scalarType);
else {
TType vectorType(base->getBasicType(), EvqTemporary, fields.num);
return addConstructor(loc, addConstructor(loc, base, scalarType), vectorType);
}
}
if (base->getType().getQualifier().isFrontEndConstant())
result = intermediate.foldSwizzle(base, fields, loc);