OgreD3D9HardwareVertexBuffer.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 __D3D9HARDWAREVERTEXBUFFER_H__
00026 #define __D3D9HARDWAREVERTEXBUFFER_H__
00027 
00028 #include "OgreD3D9Prerequisites.h"
00029 #include "OgreHardwareVertexBuffer.h"
00030 #include <d3d9.h>
00031 #include <d3dx9.h>
00032 #include <dxerr9.h>
00033 
00034 
00035 namespace Ogre {
00036 
00038     class D3D9HardwareVertexBuffer : public HardwareVertexBuffer 
00039     {
00040     protected:
00041         LPDIRECT3DVERTEXBUFFER9 mlpD3DBuffer;
00042         D3DPOOL mD3DPool;
00044         void* lockImpl(size_t offset, size_t length, LockOptions options);
00046         void unlockImpl(void);
00047     public:
00048         D3D9HardwareVertexBuffer(size_t vertexSize, size_t numVertices, 
00049             HardwareBuffer::Usage usage, LPDIRECT3DDEVICE9 pDev, bool useSystemMem, bool useShadowBuffer);
00050         ~D3D9HardwareVertexBuffer();
00052         void readData(size_t offset, size_t length, void* pDest);
00054         void writeData(size_t offset, size_t length, const void* pSource,
00055                 bool discardWholeBuffer = false);
00057         bool releaseIfDefaultPool(void);
00059         bool recreateIfDefaultPool(LPDIRECT3DDEVICE9 pDev);
00060 
00062         LPDIRECT3DVERTEXBUFFER9 getD3D9VertexBuffer(void) const { return mlpD3DBuffer; }
00063 
00064 
00065     };
00066 
00067 }
00068 #endif
00069