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"
  
  namespace Ogre
  {
  /// 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::v1::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::v1::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::v1::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;
      };
  }
  #endif
  