OgreD3D9HardwareIndexBuffer.h Source File

00001 /*
00002 -----------------------------------------------------------------------------
00003 This source file is part of OGRE
00004     (Object-oriented Graphics Rendering Engine)
00005 For the latest info, see http://www.ogre3d.org/
00006 
00007 Copyright (c) 2000-2005 The OGRE Team
00008 Also see acknowledgements in Readme.html
00009 
00010 This program is free software; you can redistribute it and/or modify it under
00011 the terms of the GNU Lesser General Public License as published by the Free Software
00012 Foundation; either version 2 of the License, or (at your option) any later
00013 version.
00014 
00015 This program is distributed in the hope that it will be useful, but WITHOUT
00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
00018 
00019 You should have received a copy of the GNU Lesser General Public License along with
00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
00022 http://www.gnu.org/copyleft/lesser.txt.
00023 -----------------------------------------------------------------------------
00024 */
00025 #ifndef __D3D9HARDWAREINDEXBUFFER_H__
00026 #define __D3D9HARDWAREINDEXBUFFER_H__
00027 
00028 #include "OgreD3D9Prerequisites.h"
00029 #include "OgreHardwareIndexBuffer.h"
00030 
00031 namespace Ogre { 
00032 
00033 
00034     class D3D9HardwareIndexBuffer : public HardwareIndexBuffer
00035     {
00036     protected:
00037         LPDIRECT3DINDEXBUFFER9 mlpD3DBuffer;
00038         D3DPOOL mD3DPool;
00040         void* lockImpl(size_t offset, size_t length, LockOptions options);
00042         void unlockImpl(void);
00043     public:
00044         D3D9HardwareIndexBuffer(IndexType idxType, size_t numIndexes, 
00045             HardwareBuffer::Usage usage, LPDIRECT3DDEVICE9 pDev, bool useSystemMem, bool useShadowBuffer);
00046         ~D3D9HardwareIndexBuffer();
00048         void readData(size_t offset, size_t length, void* pDest);
00050         void writeData(size_t offset, size_t length, const void* pSource,
00051                 bool discardWholeBuffer = false);
00052 
00054         bool releaseIfDefaultPool(void);
00056         bool recreateIfDefaultPool(LPDIRECT3DDEVICE9 pDev);
00057 
00059         LPDIRECT3DINDEXBUFFER9 getD3DIndexBuffer(void) { return mlpD3DBuffer; }
00060 
00061 
00062 
00063     };
00064 
00065 
00066 }
00067 
00068 
00069 
00070 #endif
00071