kc3-lang/angle/src/compiler/OutputGLSLBase.h

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• Author : daniel@transgaming.com
  Date : 2012-11-28 19:43:24
  Hash : 0aa3b5a2
  Message : Implement user-defined name hashing. ANGLEBUG=315 Review URL: https://codereview.appspot.com/6818109 git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1469 736b8ea6-26fd-11df-bfd4-992fa37f6226

• src/compiler/OutputGLSLBase.h

• //
  // 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,
                      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:
      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;
  
      // name hashing.
      ShHashFunction64 mHashFunction;
      NameMap& mNameMap;
  
      TSymbolTable& mSymbolTable;
  };
  
  #endif  // CROSSCOMPILERGLSL_OUTPUTGLSLBASE_H_