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

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• Author : daniel@transgaming.com
  Date : 2012-07-11 20:37:31
  Hash : e9b3f60a
  Message : Keep track of the index name of excessive loops. TRAC #21167 ISSUE=338 Signed-off-by: Daniel Koch Author: Nicolas Capens git-svn-id: https://angleproject.googlecode.com/svn/trunk@1210 736b8ea6-26fd-11df-bfd4-992fa37f6226

• src/compiler/OutputHLSL.h

• //
  // Copyright (c) 2002-2012 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 COMPILER_OUTPUTHLSL_H_
  #define COMPILER_OUTPUTHLSL_H_
  
  #include <list>
  #include <set>
  
  #include "compiler/intermediate.h"
  #include "compiler/ParseHelper.h"
  
  namespace sh
  {
  class UnfoldShortCircuit;
  
  class OutputHLSL : public TIntermTraverser
  {
    public:
      explicit OutputHLSL(TParseContext &context);
      ~OutputHLSL();
  
      void output();
  
      TInfoSinkBase &getBodyStream();
  
      TString typeString(const TType &type);
      static TString qualifierString(TQualifier qualifier);
      static TString arrayString(const TType &type);
      static TString initializer(const TType &type);
      static TString decorate(const TString &string);                      // Prepends an underscore to avoid naming clashes
      static TString decorateUniform(const TString &string, const TType &type);
      static TString decorateField(const TString &string, const TType &structure);
  
    protected:
      void header();
  
      // Visit AST nodes and output their code to the body stream
      void visitSymbol(TIntermSymbol*);
      void visitConstantUnion(TIntermConstantUnion*);
      bool visitBinary(Visit visit, TIntermBinary*);
      bool visitUnary(Visit visit, TIntermUnary*);
      bool visitSelection(Visit visit, TIntermSelection*);
      bool visitAggregate(Visit visit, TIntermAggregate*);
      bool visitLoop(Visit visit, TIntermLoop*);
      bool visitBranch(Visit visit, TIntermBranch*);
  
      void traverseStatements(TIntermNode *node);
      bool isSingleStatement(TIntermNode *node);
      bool handleExcessiveLoop(TIntermLoop *node);
      void outputTriplet(Visit visit, const TString &preString, const TString &inString, const TString &postString);
      void outputLineDirective(int line);
      TString argumentString(const TIntermSymbol *symbol);
      int vectorSize(const TType &type) const;
  
      void addConstructor(const TType &type, const TString &name, const TIntermSequence *parameters);
      const ConstantUnion *writeConstantUnion(const TType &type, const ConstantUnion *constUnion);
  
      TString scopeString(unsigned int depthLimit);
      TString scopedStruct(const TString &typeName);
      TString structLookup(const TString &typeName);
  
      TParseContext &mContext;
      UnfoldShortCircuit *mUnfoldShortCircuit;
      bool mInsideFunction;
  
      // Output streams
      TInfoSinkBase mHeader;
      TInfoSinkBase mBody;
      TInfoSinkBase mFooter;
  
      std::set<std::string> mReferencedUniforms;
      std::set<std::string> mReferencedAttributes;
      std::set<std::string> mReferencedVaryings;
  
      // Parameters determining what goes in the header output
      bool mUsesTexture2D;
      bool mUsesTexture2D_bias;
      bool mUsesTexture2DLod;
      bool mUsesTexture2DProj;
      bool mUsesTexture2DProj_bias;
      bool mUsesTexture2DProjLod;
      bool mUsesTextureCube;
      bool mUsesTextureCube_bias;
      bool mUsesTextureCubeLod;
      bool mUsesTexture2DLod0;
      bool mUsesTexture2DLod0_bias;
      bool mUsesTexture2DProjLod0;
      bool mUsesTexture2DProjLod0_bias;
      bool mUsesTextureCubeLod0;
      bool mUsesTextureCubeLod0_bias;
      bool mUsesDepthRange;
      bool mUsesFragCoord;
      bool mUsesPointCoord;
      bool mUsesFrontFacing;
      bool mUsesPointSize;
      bool mUsesXor;
      bool mUsesMod1;
      bool mUsesMod2v;
      bool mUsesMod2f;
      bool mUsesMod3v;
      bool mUsesMod3f;
      bool mUsesMod4v;
      bool mUsesMod4f;
      bool mUsesFaceforward1;
      bool mUsesFaceforward2;
      bool mUsesFaceforward3;
      bool mUsesFaceforward4;
      bool mUsesEqualMat2;
      bool mUsesEqualMat3;
      bool mUsesEqualMat4;
      bool mUsesEqualVec2;
      bool mUsesEqualVec3;
      bool mUsesEqualVec4;
      bool mUsesEqualIVec2;
      bool mUsesEqualIVec3;
      bool mUsesEqualIVec4;
      bool mUsesEqualBVec2;
      bool mUsesEqualBVec3;
      bool mUsesEqualBVec4;
      bool mUsesAtan2_1;
      bool mUsesAtan2_2;
      bool mUsesAtan2_3;
      bool mUsesAtan2_4;
  
      typedef std::set<TString> Constructors;
      Constructors mConstructors;
  
      typedef std::set<TString> StructNames;
      StructNames mStructNames;
  
      typedef std::list<TString> StructDeclarations;
      StructDeclarations mStructDeclarations;
  
      typedef std::vector<int> ScopeBracket;
      ScopeBracket mScopeBracket;
      unsigned int mScopeDepth;
  
      int mUniqueIndex;   // For creating unique names
  
      bool mContainsLoopDiscontinuity;
      bool mOutputLod0Function;
      bool mInsideDiscontinuousLoop;
  
      TIntermSymbol *mExcessiveLoopIndex;
  };
  }
  
  #endif   // COMPILER_OUTPUTHLSL_H_