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SPV: Implement composite comparisons (reductions across hierchical compare).

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This commit is contained in:
John Kessenich 2015-12-21 20:54:09 -07:00
parent 59420fd356
commit 2211835b4d
6 changed files with 470 additions and 71 deletions
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15
SPIRV/SpvBuilder.h
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@ -116,7 +116,8 @@ public:
Op getTypeClass(Id typeId) const { return getOpCode(typeId); }
Op getMostBasicTypeClass(Id typeId) const;
int getNumComponents(Id resultId) const { return getNumTypeComponents(getTypeId(resultId)); }
int getNumTypeComponents(Id typeId) const;
int getNumTypeConstituents(Id typeId) const;
int getNumTypeComponents(Id typeId) const { return getNumTypeConstituents(typeId); }
Id getScalarTypeId(Id typeId) const;
Id getContainedTypeId(Id typeId) const;
Id getContainedTypeId(Id typeId, int) const;
@ -150,7 +151,7 @@ public:
int getTypeNumColumns(Id typeId) const
{
assert(isMatrixType(typeId));
return getNumTypeComponents(typeId);
return getNumTypeConstituents(typeId);
}
int getNumColumns(Id resultId) const { return getTypeNumColumns(getTypeId(resultId)); }
int getTypeNumRows(Id typeId) const
@ -265,11 +266,13 @@ public:
// (No true lvalue or stores are used.)
Id createLvalueSwizzle(Id typeId, Id target, Id source, std::vector<unsigned>& channels);
// If the value passed in is an instruction and the precision is not EMpNone,
// If the value passed in is an instruction and the precision is not NoPrecision,
// it gets tagged with the requested precision.
void setPrecision(Id /* value */, Decoration /* precision */)
void setPrecision(Id /* value */, Decoration precision)
{
// TODO
if (precision != NoPrecision) {
;// TODO
}
}
// Can smear a scalar to a vector for the following forms:
@ -322,7 +325,7 @@ public:
Id createBitFieldInsertCall(Decoration precision, Id, Id, Id, Id);
// Reduction comparision for composites: For equal and not-equal resulting in a scalar.
Id createCompare(Decoration precision, Id, Id, bool /* true if for equal, fales if for not-equal */);
Id createCompositeCompare(Decoration precision, Id, Id, bool /* true if for equal, false if for not-equal */);
// OpCompositeConstruct
Id createCompositeConstruct(Id typeId, std::vector<Id>& constituents);