kc3-lang/angle/src/compiler/translator/InitializeVariables.h

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• Hash : 4a667fe9
  Author :
  Date : 2014-02-11T12:35:01
  

  Add an option to initialize varyings without static use in vertex shaders
  
  ANGLEBUG=554
  TEST=webgl conformance test on mac: shaders-with-varyings.html
  r=kbr@chromium.org,nicolascapens@chromium.org
  cc=alokp@chromium.org,shannonwoods@chromium.org
  
  Change-Id: I2e692d43fb15f1cf3ade3e398020d1fedb2b32f0
  Reviewed-on: https://chromium-review.googlesource.com/185922
  Reviewed-by: Zhenyao Mo <zmo@chromium.org>
  Tested-by: Zhenyao Mo <zmo@chromium.org>
  
  Conflicts:
  	src/common/version.h
  	src/compiler/translator/Compiler.cpp
  Change-Id: If7db13ef345bd6199d4ea0d7786f0de20885f2f3
  Reviewed-on: https://chromium-review.googlesource.com/186144
  Reviewed-by: Nicolas Capens <nicolascapens@chromium.org>
  Reviewed-by: Kenneth Russell <kbr@chromium.org>
  Reviewed-by: Zhenyao Mo <zmo@chromium.org>
  Tested-by: Zhenyao Mo <zmo@chromium.org>
  

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• src/compiler/translator/InitializeVariables.h

• //
  // 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 COMPILER_INITIALIZE_VARIABLES_H_
  #define COMPILER_INITIALIZE_VARIABLES_H_
  
  #include "compiler/translator/intermediate.h"
  
  class InitializeVariables : public TIntermTraverser
  {
    public:
      struct InitVariableInfo
      {
          TString name;
          TType type;
  
          InitVariableInfo(const TString& _name, const TType& _type)
              : name(_name),
                type(_type)
          {
          }
      };
      typedef TVector<InitVariableInfo> InitVariableInfoList;
  
      InitializeVariables(const InitVariableInfoList& vars)
          : mCodeInserted(false),
            mVariables(vars)
      {
      }
  
    protected:
      virtual bool visitBinary(Visit visit, TIntermBinary* node) { return false; }
      virtual bool visitUnary(Visit visit, TIntermUnary* node) { return false; }
      virtual bool visitSelection(Visit visit, TIntermSelection* node) { return false; }
      virtual bool visitLoop(Visit visit, TIntermLoop* node) { return false; }
      virtual bool visitBranch(Visit visit, TIntermBranch* node) { return false; }
  
      virtual bool visitAggregate(Visit visit, TIntermAggregate* node);
  
    private:
      void insertInitCode(TIntermSequence& sequence);
  
      InitVariableInfoList mVariables;
      bool mCodeInserted;
  };
  
  #endif  // COMPILER_INITIALIZE_VARIABLES_H_
  

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