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SPV: Correct an issue in createUnaryMatrixOperation().

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Type of the source is not necessarily the same as that of the destination.
This commit is contained in:
Rex Xu
2016-05-17 18:57:18 +08:00
parent bedde872b6
commit c1992e5e57
2 changed files with 12 additions and 12 deletions
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12
SPIRV/GlslangToSpv.cpp
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@@ -3334,18 +3334,18 @@ spv::Id TGlslangToSpvTraverser::createUnaryMatrixOperation(spv::Op op, spv::Deco
// get the types sorted out
int numCols = builder.getNumColumns(operand);
int numRows = builder.getNumRows(operand);
spv::Id scalarType = builder.getScalarTypeId(typeId);
spv::Id vecType = builder.makeVectorType(scalarType, numRows);
spv::Id srcVecType = builder.makeVectorType(builder.getScalarTypeId(builder.getTypeId(operand)), numRows);
spv::Id destVecType = builder.makeVectorType(builder.getScalarTypeId(typeId), numRows);
std::vector<spv::Id> results;
// do each vector op
for (int c = 0; c < numCols; ++c) {
std::vector<unsigned int> indexes;
indexes.push_back(c);
spv::Id vec = builder.createCompositeExtract(operand, vecType, indexes);
spv::Id vec_result = builder.createUnaryOp(op, vecType, vec);
addDecoration(vec_result, noContraction);
results.push_back(builder.setPrecision(vec_result, precision));
spv::Id srcVec = builder.createCompositeExtract(operand, srcVecType, indexes);
spv::Id destVec = builder.createUnaryOp(op, destVecType, srcVec);
addDecoration(destVec, noContraction);
results.push_back(builder.setPrecision(destVec, precision));
}
// put the pieces together