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

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• Hash : d2d340b0
  Author :
  Date : 2013-09-23T14:57:05
  

  Add static_use to shader variable info query.
  
  BUG=249018
  ANGLEBUG=465
  R=kbr@chromium.org
  
  Review URL: https://codereview.appspot.com/13158043
  

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• src/compiler/VariableInfo.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 COMPILER_VARIABLE_INFO_H_
  #define COMPILER_VARIABLE_INFO_H_
  
  #include "GLSLANG/ShaderLang.h"
  #include "compiler/intermediate.h"
  
  // Provides information about a variable.
  // It is currently being used to store info about active attribs and uniforms.
  struct TVariableInfo {
      TVariableInfo(ShDataType type, int size);
      TVariableInfo();
  
      TPersistString name;
      TPersistString mappedName;
      ShDataType type;
      int size;
      TPrecision precision;
      bool staticUse;
  };
  typedef std::vector<TVariableInfo> TVariableInfoList;
  
  // Traverses intermediate tree to collect all attributes, uniforms, varyings.
  class CollectVariables : public TIntermTraverser {
  public:
      CollectVariables(TVariableInfoList& attribs,
                       TVariableInfoList& uniforms,
                       TVariableInfoList& varyings,
                       ShHashFunction64 hashFunction);
  
      virtual void visitSymbol(TIntermSymbol*);
      virtual bool visitAggregate(Visit, TIntermAggregate*);
  
  private:
      TVariableInfoList& mAttribs;
      TVariableInfoList& mUniforms;
      TVariableInfoList& mVaryings;
  
      bool mPointCoordAdded;
      bool mFrontFacingAdded;
      bool mFragCoordAdded;
  
      ShHashFunction64 mHashFunction;
  };
  
  #endif  // COMPILER_VARIABLE_INFO_H_
  

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