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HLSL: Move to fine-grained control for defining input/output/uniform IO types.

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This commit is contained in:
John Kessenich 2017-02-05 20:27:30 -07:00
parent 727b374fd3
commit bf47286fe7
11 changed files with 419 additions and 181 deletions
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24
hlsl/hlslParseHelper.h
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@ -231,6 +231,17 @@ protected:
int flattenStruct(const TSourceLoc& loc, const TVariable& variable, const TType&, TFlattenData&, TString name);
int flattenArray(const TSourceLoc& loc, const TVariable& variable, const TType&, TFlattenData&, TString name);
bool hasUniform(const TQualifier& qualifier) const;
void clearUniform(TQualifier& qualifier);
bool isInputBuiltIn(const TQualifier& qualifier) const;
bool hasInput(const TQualifier& qualifier) const;
void correctOutput(TQualifier& qualifier);
bool isOutputBuiltIn(const TQualifier& qualifier) const;
bool hasOutput(const TQualifier& qualifier) const;
void correctInput(TQualifier& qualifier);
void correctUniform(TQualifier& qualifier);
void clearUniformInputOutput(TQualifier& qualifier);
void finish() override; // post-processing
// Current state of parsing
@ -296,8 +307,15 @@ protected:
TVector<int> flattenLevel; // nested postfix operator level for flattening
TVector<int> flattenOffset; // cumulative offset for flattening
// IO-type map.
TMap<const TTypeList*, TTypeList*> ioTypeMap;
// IO-type map. Maps a pure symbol-table form of a structure-member list into
// each of the (up to) three kinds of IO, as each as different allowed decorations,
// but HLSL allows mixing all in the same structure.
struct tIoKinds {
TTypeList* input;
TTypeList* output;
TTypeList* uniform;
};
TMap<const TTypeList*, tIoKinds> ioTypeMap;
// Structure splitting data:
TMap<int, TVariable*> splitIoVars; // variables with the builtin interstage IO removed, indexed by unique ID.
@ -319,7 +337,7 @@ protected:
}
};
TMap<tInterstageIoData, TVariable*> interstageBuiltInIo; // individual builtin interstage IO vars, inxed by builtin type.
TMap<tInterstageIoData, TVariable*> interstageBuiltInIo; // individual builtin interstage IO vars, indexed by builtin type.
// We have to move array references to structs containing builtin interstage IO to the split variables.
// This is only handled for one level. This stores the index, because we'll need it in the future, since