| // |
| // Copyright (c) 2002-2013 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/translator/IntermNode.h" |
| #include "compiler/translator/LoopInfo.h" |
| #include "compiler/translator/ParseContext.h" |
| |
| class TOutputGLSLBase : public TIntermTraverser |
| { |
| public: |
| TOutputGLSLBase(TInfoSinkBase &objSink, |
| ShArrayIndexClampingStrategy clampingStrategy, |
| ShHashFunction64 hashFunction, |
| NameMap &nameMap, |
| TSymbolTable& symbolTable, |
| int shaderVersion); |
| |
| 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); |
| // Used to translate function names for differences between ESSL and GLSL |
| virtual TString translateTextureFunction(TString &name) { return name; } |
| |
| private: |
| bool structDeclared(const TStructure *structure) const; |
| void declareStruct(const TStructure *structure); |
| |
| void writeBuiltInFunctionTriplet(Visit visit, const char *preStr, bool useEmulatedFunction); |
| |
| TInfoSinkBase &mObjSink; |
| bool mDeclaringVariables; |
| |
| // This set contains all the ids of the structs from every scope. |
| std::set<int> mDeclaredStructs; |
| |
| // Stack of loops that need to be unrolled. |
| TLoopStack mLoopUnrollStack; |
| |
| ShArrayIndexClampingStrategy mClampingStrategy; |
| |
| // name hashing. |
| ShHashFunction64 mHashFunction; |
| |
| NameMap &mNameMap; |
| |
| TSymbolTable &mSymbolTable; |
| |
| const int mShaderVersion; |
| }; |
| |
| #endif // CROSSCOMPILERGLSL_OUTPUTGLSLBASE_H_ |