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