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

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• Hash : b1a85f48
  Author :
  Date : 2014-08-19T15:23:24
  

  Rename compiler intermediate source files.
  
  This prevents confusion between "TIntermediate" and "TIntermNode".
  
  BUG=angle:711
  
  Change-Id: Ib7a086382a479db3f77bf2ab06ce321aa7b35d13
  Reviewed-on: https://chromium-review.googlesource.com/212936
  Tested-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Zhenyao Mo <zmo@chromium.org>
  Reviewed-by: Nicolas Capens <capn@chromium.org>
  

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• src/compiler/translator/ValidateLimitations.h

• //
  // Copyright (c) 2010 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.
  //
  
  #include "compiler/translator/IntermNode.h"
  #include "compiler/translator/LoopInfo.h"
  
  class TInfoSinkBase;
  
  // Traverses intermediate tree to ensure that the shader does not exceed the
  // minimum functionality mandated in GLSL 1.0 spec, Appendix A.
  class ValidateLimitations : public TIntermTraverser
  {
    public:
      ValidateLimitations(sh::GLenum shaderType, TInfoSinkBase &sink);
  
      int numErrors() const { return mNumErrors; }
  
      virtual bool visitBinary(Visit, TIntermBinary *);
      virtual bool visitUnary(Visit, TIntermUnary *);
      virtual bool visitAggregate(Visit, TIntermAggregate *);
      virtual bool visitLoop(Visit, TIntermLoop *);
  
    private:
      void error(TSourceLoc loc, const char *reason, const char *token);
  
      bool withinLoopBody() const;
      bool isLoopIndex(TIntermSymbol *symbol);
      bool validateLoopType(TIntermLoop *node);
  
      bool validateForLoopHeader(TIntermLoop *node);
      // If valid, return the index symbol id; Otherwise, return -1.
      int validateForLoopInit(TIntermLoop *node);
      bool validateForLoopCond(TIntermLoop *node, int indexSymbolId);
      bool validateForLoopExpr(TIntermLoop *node, int indexSymbolId);
  
      // Returns true if none of the loop indices is used as the argument to
      // the given function out or inout parameter.
      bool validateFunctionCall(TIntermAggregate *node);
      bool validateOperation(TIntermOperator *node, TIntermNode *operand);
  
      // Returns true if indexing does not exceed the minimum functionality
      // mandated in GLSL 1.0 spec, Appendix A, Section 5.
      bool isConstExpr(TIntermNode *node);
      bool isConstIndexExpr(TIntermNode *node);
      bool validateIndexing(TIntermBinary *node);
  
      sh::GLenum mShaderType;
      TInfoSinkBase &mSink;
      int mNumErrors;
      TLoopStack mLoopStack;
  };
  
  

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