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HLSL: Force flat interpolation for structure members. Fixes #940.

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This commit is contained in:
John Kessenich 2017-06-20 13:19:53 -06:00
parent be1085cb88
commit f0bc598dd7
4 changed files with 48 additions and 37 deletions
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21
hlsl/hlslParseHelper.cpp
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@ -791,7 +791,7 @@ TIntermTyped* HlslParseContext::handleBracketDereference(const TSourceLoc& loc,
index = makeIntegerIndex(index);
if (index == nullptr) {
error(loc, " unknown undex type ", "", "");
error(loc, " unknown index type ", "", "");
return nullptr;
}
@ -1554,11 +1554,20 @@ void HlslParseContext::assignToInterface(TVariable& variable)
nextOutLocation += size;
}
}
// Going into the fragment stage, integer-based stuff must be flat/nointerpolation
if (type.isIntegerDomain() && qualifier.builtIn == EbvNone &&
qualifier.storage == EvqVaryingIn && language == EShLangFragment) {
qualifier.clearInterpolation();
qualifier.flat = true;
if (qualifier.storage == EvqVaryingIn && language == EShLangFragment) {
// Going into the fragment stage, integer-based stuff must be flat/nointerpolation
const auto fixQualifier = [](TType& type) {
if (type.getQualifier().builtIn == EbvNone &&
(type.isIntegerDomain() || type.getBasicType() == EbtBool)) {
type.getQualifier().clearInterpolation();
type.getQualifier().flat = true;
}
};
if (type.isStruct())
for (auto mem = (*type.getStruct()).begin(); mem != (*type.getStruct()).end(); ++mem)
fixQualifier(*mem->type);
else
fixQualifier(type);
}
trackLinkage(variable);
}