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

• //
  // Copyright (c) 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.
  //
  // Contains analysis utilities for dealing with HLSL's lack of support for
  // the use of intrinsic functions which (implicitly or explicitly) compute
  // gradients of functions with discontinuities. 
  //
  
  #ifndef COMPILER_DETECTDISCONTINUITY_H_
  #define COMPILER_DETECTDISCONTINUITY_H_
  
  #include "compiler/translator/IntermNode.h"
  
  namespace sh
  {
  // Checks whether a loop can run for a variable number of iterations
  class DetectLoopDiscontinuity : public TIntermTraverser
  {
    public:
      bool traverse(TIntermNode *node);
  
    protected:
      bool visitBranch(Visit visit, TIntermBranch *node);
      bool visitLoop(Visit visit, TIntermLoop *loop);
      bool visitAggregate(Visit visit, TIntermAggregate *node);
  
      int mLoopDepth;
      bool mLoopDiscontinuity;
  };
  
  bool containsLoopDiscontinuity(TIntermNode *node);
  
  // Checks for intrinsic functions which compute gradients
  class DetectGradientOperation : public TIntermTraverser
  {
    public:
      bool traverse(TIntermNode *node);
  
    protected:
      bool visitUnary(Visit visit, TIntermUnary *node);
      bool visitAggregate(Visit visit, TIntermAggregate *node);
  
      bool mGradientOperation;
  };
  
  bool containsGradientOperation(TIntermNode *node);
  
  }
  
  #endif   // COMPILER_DETECTDISCONTINUITY_H_
  

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