michael@0: //
michael@0: // Copyright (c) 2002-2011 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: #ifndef CROSSCOMPILERGLSL_OUTPUTGLSLBASE_H_
michael@0: #define CROSSCOMPILERGLSL_OUTPUTGLSLBASE_H_
michael@0: 
michael@0: #include <set>
michael@0: 
michael@0: #include "compiler/ForLoopUnroll.h"
michael@0: #include "compiler/intermediate.h"
michael@0: #include "compiler/ParseHelper.h"
michael@0: 
michael@0: class TOutputGLSLBase : public TIntermTraverser
michael@0: {
michael@0: public:
michael@0:     TOutputGLSLBase(TInfoSinkBase& objSink,
michael@0:                     ShArrayIndexClampingStrategy clampingStrategy,
michael@0:                     ShHashFunction64 hashFunction,
michael@0:                     NameMap& nameMap,
michael@0:                     TSymbolTable& symbolTable);
michael@0: 
michael@0: protected:
michael@0:     TInfoSinkBase& objSink() { return mObjSink; }
michael@0:     void writeTriplet(Visit visit, const char* preStr, const char* inStr, const char* postStr);
michael@0:     void writeVariableType(const TType& type);
michael@0:     virtual bool writeVariablePrecision(TPrecision precision) = 0;
michael@0:     void writeFunctionParameters(const TIntermSequence& args);
michael@0:     const ConstantUnion* writeConstantUnion(const TType& type, const ConstantUnion* pConstUnion);
michael@0:     TString getTypeName(const TType& type);
michael@0: 
michael@0:     virtual void visitSymbol(TIntermSymbol* node);
michael@0:     virtual void visitConstantUnion(TIntermConstantUnion* node);
michael@0:     virtual bool visitBinary(Visit visit, TIntermBinary* node);
michael@0:     virtual bool visitUnary(Visit visit, TIntermUnary* node);
michael@0:     virtual bool visitSelection(Visit visit, TIntermSelection* node);
michael@0:     virtual bool visitAggregate(Visit visit, TIntermAggregate* node);
michael@0:     virtual bool visitLoop(Visit visit, TIntermLoop* node);
michael@0:     virtual bool visitBranch(Visit visit, TIntermBranch* node);
michael@0: 
michael@0:     void visitCodeBlock(TIntermNode* node);
michael@0: 
michael@0: 
michael@0:     // Return the original name if hash function pointer is NULL;
michael@0:     // otherwise return the hashed name.
michael@0:     TString hashName(const TString& name);
michael@0:     // Same as hashName(), but without hashing built-in variables.
michael@0:     TString hashVariableName(const TString& name);
michael@0:     // Same as hashName(), but without hashing built-in functions.
michael@0:     TString hashFunctionName(const TString& mangled_name);
michael@0: 
michael@0: private:
michael@0:     bool structDeclared(const TStructure* structure) const;
michael@0:     void declareStruct(const TStructure* structure);
michael@0: 
michael@0:     TInfoSinkBase& mObjSink;
michael@0:     bool mDeclaringVariables;
michael@0: 
michael@0:     // Structs are declared as the tree is traversed. This set contains all
michael@0:     // the structs already declared. It is maintained so that a struct is
michael@0:     // declared only once.
michael@0:     typedef std::set<TString> DeclaredStructs;
michael@0:     DeclaredStructs mDeclaredStructs;
michael@0: 
michael@0:     ForLoopUnroll mLoopUnroll;
michael@0: 
michael@0:     ShArrayIndexClampingStrategy mClampingStrategy;
michael@0: 
michael@0:     // name hashing.
michael@0:     ShHashFunction64 mHashFunction;
michael@0: 
michael@0:     NameMap& mNameMap;
michael@0: 
michael@0:     TSymbolTable& mSymbolTable;
michael@0: };
michael@0: 
michael@0: #endif  // CROSSCOMPILERGLSL_OUTPUTGLSLBASE_H_