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HLSL: Add CalculateLevelOfDetail, and unimplemented errors for *Unclamped and GetSamplePosition

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steve-lunarg
2016-07-26 08:57:53 -06:00
parent 00957f8110
commit 68f2c144e3
9 changed files with 1048 additions and 2 deletions
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32
hlsl/hlslParseHelper.cpp
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@@ -1273,6 +1273,38 @@ void HlslParseContext::decomposeSampleMethods(const TSourceLoc& loc, TIntermType
break;
}
case EOpMethodCalculateLevelOfDetail:
case EOpMethodCalculateLevelOfDetailUnclamped:
{
TIntermTyped* argTex = argAggregate->getSequence()[0]->getAsTyped();
TIntermTyped* argSamp = argAggregate->getSequence()[1]->getAsTyped();
TIntermTyped* argCoord = argAggregate->getSequence()[2]->getAsTyped();
TIntermAggregate* txquerylod = new TIntermAggregate(EOpTextureQueryLod);
TIntermAggregate* txcombine = handleSamplerTextureCombine(loc, argTex, argSamp);
txquerylod->getSequence().push_back(txcombine);
txquerylod->getSequence().push_back(argCoord);
TIntermTyped* lodComponent = intermediate.addConstantUnion(0, loc, true);
TIntermTyped* lodComponentIdx = intermediate.addIndex(EOpIndexDirect, txquerylod, lodComponent, loc);
lodComponentIdx->setType(TType(EbtFloat, EvqTemporary, 1));
node = lodComponentIdx;
// We cannot currently obtain the unclamped LOD
if (op == EOpMethodCalculateLevelOfDetailUnclamped)
error(loc, "unimplemented: CalculateLevelOfDetailUnclamped", "", "");
break;
}
case EOpMethodGetSamplePosition:
{
error(loc, "unimplemented: GetSamplePosition", "", "");
break;
}
default:
break; // most pass through unchanged
}