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HLSL: Fix #954: Track/access subsets of flattened multi-level aggregates.

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Works in conjuction with d1be754 to represent and modify a partially
dereferenced multi-level flattened aggregate.
This commit is contained in:
John Kessenich
2017-10-04 13:27:43 -06:00
parent 86a82bb955
commit 700bdeb742
7 changed files with 513 additions and 23 deletions
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hlsl/hlslParseHelper.h
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@@ -245,6 +245,8 @@ protected:
// Array and struct flattening
TIntermTyped* flattenAccess(TIntermTyped* base, int member);
TIntermTyped* flattenAccess(int uniqueId, int member, const TType&, int subset = -1);
int findSubtreeOffset(const TIntermNode&) const;
int findSubtreeOffset(const TType&, int subset, const TVector<int>& offsets) const;
bool shouldFlatten(const TType&) const;
bool wasFlattened(const TIntermTyped* node) const;
bool wasFlattened(int id) const { return flattenMap.find(id) != flattenMap.end(); }