kc3-lang/angle/src/libGLESv2/renderer/d3d/MemoryBuffer.h

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• Author : Jamie Madill
  Date : 2014-09-19 13:17:51
  Hash : ee009b8e
  Message : Fix a NULL dereference on buffer initialization. In some cases, where the user would create a buffer with NULL (empty) data, we would attempt to dereference NULL when drawing with the buffer as a vertex attribute. BUG=angle:749 Change-Id: Ied5ecbab4608c85890cdf7cc32a8dae46989e33b Reviewed-on: https://chromium-review.googlesource.com/219090 Tested-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Shannon Woods <shannonwoods@chromium.org>

• src/libGLESv2/renderer/d3d/MemoryBuffer.h

• //
  // Copyright (c) 2014 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 LIBGLESV2_RENDERER_D3D_MEMORYBUFFER_H_
  #define LIBGLESV2_RENDERER_D3D_MEMORYBUFFER_H_
  
  #include <cstddef>
  #include <cstdint>
  
  namespace rx
  {
  
  class MemoryBuffer
  {
    public:
      MemoryBuffer();
      ~MemoryBuffer();
  
      bool resize(size_t size);
      size_t size() const;
      bool empty() const { return mSize == 0; }
  
      const uint8_t *data() const;
      uint8_t *data();
  
    private:
      size_t mSize;
      uint8_t *mData;
  };
  
  }
  
  #endif // LIBGLESV2_RENDERER_D3D_MEMORYBUFFER_H