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HLSL: Convert run-time sampler assignments to compile-time aliases.

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For "s.m = t", a sampler member assigned a sampler, make t an alias
for s.m, and when s.m is flattened, it will flatten to the alias t.
Normally, assignments to samplers are disallowed.
This commit is contained in:
John Kessenich
2017-06-02 16:28:39 -06:00
parent 750c2d07f7
commit f31507421b
5 changed files with 254 additions and 5 deletions
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3
hlsl/hlslParseHelper.h
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@@ -187,7 +187,8 @@ public:
virtual void growGlobalUniformBlock(const TSourceLoc&, TType&, const TString& memberName, TTypeList* typeList = nullptr) override;
// Apply L-value conversions. E.g, turning a write to a RWTexture into an ImageStore.
TIntermTyped* handleLvalue(const TSourceLoc&, const char* op, TIntermTyped* node);
TIntermTyped* handleLvalue(const TSourceLoc&, const char* op, TIntermTyped*& node);
TIntermTyped* handleSamplerLvalue(const TSourceLoc&, const char* op, TIntermTyped*& node);
bool lValueErrorCheck(const TSourceLoc&, const char* op, TIntermTyped*) override;
TLayoutFormat getLayoutFromTxType(const TSourceLoc&, const TType&);