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SPV: When passing structs of opaque types, flatten and pass the members instead.

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This avoids either A) needing uniformConstant struct, or
B) initializing a struct with opaque members, as writing them is not
allowed.
This commit is contained in:
John Kessenich 2017-05-26 00:01:36 -06:00
parent d66c5b1299
commit 750c2d07f7
6 changed files with 528 additions and 70 deletions
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6
hlsl/hlslParseHelper.h
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@ -96,6 +96,7 @@ public:
void decomposeGeometryMethods(const TSourceLoc&, TIntermTyped*& node, TIntermNode* arguments);
void pushFrontArguments(TIntermTyped* front, TIntermTyped*& arguments);
void addInputArgumentConversions(const TFunction&, TIntermTyped*&);
void expandArguments(const TSourceLoc&, const TFunction&, TIntermTyped*&);
TIntermTyped* addOutputArgumentConversions(const TFunction&, TIntermOperator&);
void builtInOpCheck(const TSourceLoc&, const TFunction&, TIntermOperator&);
TFunction* makeConstructorCall(const TSourceLoc&, const TType&);
@ -236,13 +237,14 @@ protected:
// Array and struct flattening
TIntermTyped* flattenAccess(TIntermTyped* base, int member);
bool shouldFlattenUniform(const TType&) const;
TIntermTyped* flattenAccess(int uniqueId, int member, const TType&);
bool shouldFlatten(const TType&) const;
bool wasFlattened(const TIntermTyped* node) const;
bool wasFlattened(int id) const { return flattenMap.find(id) != flattenMap.end(); }
int addFlattenedMember(const TSourceLoc& loc, const TVariable&, const TType&, TFlattenData&, const TString& name, bool track);
bool isFinalFlattening(const TType& type) const { return !(type.isStruct() || type.isArray()); }
// Structure splitting (splits interstage builtin types into its own struct)
// Structure splitting (splits interstage built-in types into its own struct)
TIntermTyped* splitAccessStruct(const TSourceLoc& loc, TIntermTyped*& base, int& member);
void splitAccessArray(const TSourceLoc& loc, TIntermTyped* base, TIntermTyped* index);
TType& split(TType& type, TString name, const TType* outerStructType = nullptr);