text: /*
   * -----------------------------------------------------------------------------
   * This source file is part of OGRE
   * (Object-oriented Graphics Rendering Engine)
   * For the latest info, see http://www.ogre3d.org/
   *
   * Copyright (c) 2000-2014 Torus Knot Software Ltd
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   * -----------------------------------------------------------------------------
   */
  
  #ifndef _LodBuffer_H__
  #define _LodBuffer_H__
  
  #include "OgreLodPrerequisites.h"
  #include "OgreSharedPtr.h"
  #include "OgreHeaderPrefix.h"
  
  namespace Ogre
  {
  /** \addtogroup Optional
  *  @{
  */
  /** \addtogroup MeshLodGenerator
  *  @{
  */
  /// Thread-safe buffer for storing Hardware index buffer
  struct _OgreLodExport LodIndexBuffer {
      size_t indexSize; /// Index size: 2 or 4 byte/index is supported only.
      size_t indexCount; /// index count from indexStart.
      size_t indexStart; /// Offset from the start of the indexBuffer
      size_t indexBufferSize; /// size of the index buffer in bytes
      Ogre::SharedPtr<unsigned char> indexBuffer; /// if NULL, then the previous Lod level's buffer is used. (compression)
      void fillBuffer(Ogre::IndexData* data); /// Fills the buffer from an Ogre::IndexData. Call this on Ogre main thread only
  };
  /// Thread-safe buffer for storing Hardware vertex buffer
  struct _OgreLodExport LodVertexBuffer {
      size_t vertexCount;
      Ogre::SharedPtr<Vector3> vertexBuffer;
      Ogre::SharedPtr<Vector3> vertexNormalBuffer;
      void fillBuffer(Ogre::VertexData* data);
  };
  /// Data representing all required information from a Mesh. Used by LodInputProviderBuffer.
  struct _OgreLodExport LodInputBuffer
  {
      struct _OgreLodExport Submesh {
          LodIndexBuffer indexBuffer;
          LodVertexBuffer vertexBuffer;
          bool useSharedVertexBuffer;
      };
      vector<Submesh>::type submesh;
      LodVertexBuffer sharedVertexBuffer;
      String meshName;
      Real boundingSphereRadius;
      void fillBuffer(Ogre::MeshPtr mesh);
  };
  /// Data representing the output of the Mesh reduction. Used by LodOutputProviderBuffer.
  struct _OgreLodExport LodOutputBuffer {
  
      struct _OgreLodExport Submesh {
          vector<LodIndexBuffer>::type genIndexBuffers;
      };
      /// Contains every generated indexBuffer from every submesh. submeshCount*lodLevelCount buffers.
      vector<Submesh>::type submesh;
  };
  /** @} */
  /** @} */
  }
  
  #include "OgreHeaderSuffix.h"
  
  #endif
  