kc3-lang/angle/src/libGLESv2/geometry/backend.cpp

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• Hash : 27bf89bb
  Author :
  Date : 2010-04-06T16:31:25
  

  Fixes an improper comparison in map
  TRAC #11649
  Implementing this fix here because it's causing the glUniform
  conformance test not to pass. TranslatedBuffer would have problems
  during reloadCurrentValues because its required space and its current
  size were equal.
  Signed-off-by: Daniel Koch
  
  Author:    Shannon Woods
  
  git-svn-id: https://angleproject.googlecode.com/svn/trunk@99 736b8ea6-26fd-11df-bfd4-992fa37f6226
  

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• src/libGLESv2/geometry/backend.cpp

• //
  // Copyright (c) 2002-2010 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.
  //
  
  // geometry/backend.h: Abstract classes BufferBackEnd, TranslatedVertexBuffer and TranslatedIndexBuffer
  // that must be implemented by any API-specific implementation of ANGLE.
  
  #include "geometry/backend.h"
  
  #include "common/debug.h"
  
  namespace gl
  {
  
  void *TranslatedBuffer::map(std::size_t requiredSpace, std::size_t *offset)
  {
      ASSERT(requiredSpace <= mBufferSize);
  
      reserveSpace(requiredSpace);
  
      *offset = mCurrentPoint;
      mCurrentPoint += requiredSpace;
  
      return streamingMap(*offset, requiredSpace);
  }
  
  void TranslatedBuffer::reserveSpace(std::size_t requiredSpace)
  {
      if (mCurrentPoint + requiredSpace > mBufferSize)
      {
          recycle();
          mCurrentPoint = 0;
      }
  }
  
  }
  

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