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

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• Hash : 5f0246ca
  Author :
  Date : 2015-07-22T10:30:35
  

  Implement gl_FragDepth for GLES SL 3.0
  
  Makes it an error to access gl_FragDepthEXT  in #version 300 es shader.
  
  TODO:
  Lacks the feature to make "#extension GL_EXT_frag_depth : require" an
  error for #version 300 es.
  
  Reland of: https://chromium-review.googlesource.com/#/c/287570
  
  BUG=angleproject:1102
  TEST=angle_unittest
  
  Change-Id: I064d918d65f37539cb1e14f12173ca5591a4ea3f
  Reviewed-on: https://chromium-review.googlesource.com/301711
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Tested-by: Geoff Lang <geofflang@chromium.org>
  

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• src/compiler/translator/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_TRANSLATOR_VARIABLEINFO_H_
  #define COMPILER_TRANSLATOR_VARIABLEINFO_H_
  
  #include <GLSLANG/ShaderLang.h>
  
  #include "compiler/translator/IntermNode.h"
  
  class TSymbolTable;
  
  namespace sh
  {
  
  // Traverses intermediate tree to collect all attributes, uniforms, varyings.
  class CollectVariables : public TIntermTraverser
  {
    public:
      CollectVariables(std::vector<Attribute> *attribs,
                       std::vector<OutputVariable> *outputVariables,
                       std::vector<Uniform> *uniforms,
                       std::vector<Varying> *varyings,
                       std::vector<InterfaceBlock> *interfaceBlocks,
                       ShHashFunction64 hashFunction,
                       const TSymbolTable &symbolTable);
  
      void visitSymbol(TIntermSymbol *symbol) override;
      bool visitAggregate(Visit, TIntermAggregate *node) override;
      bool visitBinary(Visit visit, TIntermBinary *binaryNode) override;
  
    private:
      template <typename VarT>
      void visitVariable(const TIntermSymbol *variable, std::vector<VarT> *infoList) const;
  
      template <typename VarT>
      void visitInfoList(const TIntermSequence &sequence, std::vector<VarT> *infoList) const;
  
      std::vector<Attribute> *mAttribs;
      std::vector<OutputVariable> *mOutputVariables;
      std::vector<Uniform> *mUniforms;
      std::vector<Varying> *mVaryings;
      std::vector<InterfaceBlock> *mInterfaceBlocks;
  
      std::map<std::string, InterfaceBlockField *> mInterfaceBlockFields;
  
      bool mDepthRangeAdded;
      bool mPointCoordAdded;
      bool mFrontFacingAdded;
      bool mFragCoordAdded;
  
      bool mInstanceIDAdded;
      bool mPositionAdded;
      bool mPointSizeAdded;
      bool mLastFragDataAdded;
      bool mFragColorAdded;
      bool mFragDataAdded;
      bool mFragDepthEXTAdded;
      bool mFragDepthAdded;
      bool mSecondaryFragColorEXTAdded;
      bool mSecondaryFragDataEXTAdded;
  
      ShHashFunction64 mHashFunction;
  
      const TSymbolTable &mSymbolTable;
  };
  
  // Expand struct uniforms to flattened lists of split variables
  void ExpandUniforms(const std::vector<Uniform> &compact,
                      std::vector<ShaderVariable> *expanded);
  
  }
  
  #endif  // COMPILER_TRANSLATOR_VARIABLEINFO_H_
  

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