OgreDefaultHardwareBufferManager.h

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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) 2000-2006 Torus Knot Software Ltd
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 You may alternatively use this source under the terms of a specific version of
00025 the OGRE Unrestricted License provided you have obtained such a license from
00026 Torus Knot Software Ltd.
00027 -----------------------------------------------------------------------------
00028 */
00029 
00030 #ifndef __DefaultHardwareBufferManager_H__
00031 #define __DefaultHardwareBufferManager_H__
00032 
00033 #include "OgrePrerequisites.h"
00034 #include "OgreHardwareBufferManager.h"
00035 #include "OgreHardwareVertexBuffer.h"
00036 #include "OgreHardwareIndexBuffer.h"
00037 
00038 namespace Ogre {
00039 
00041     class _OgreExport DefaultHardwareVertexBuffer : public HardwareVertexBuffer 
00042     {
00043     protected:
00044         unsigned char* mpData;
00046         void* lockImpl(size_t offset, size_t length, LockOptions options);
00048         void unlockImpl(void);
00049     public:
00050         DefaultHardwareVertexBuffer(size_t vertexSize, size_t numVertices, 
00051             HardwareBuffer::Usage usage);
00052         ~DefaultHardwareVertexBuffer();
00054         void readData(size_t offset, size_t length, void* pDest);
00056         void writeData(size_t offset, size_t length, const void* pSource,
00057                 bool discardWholeBuffer = false);
00059         void* lock(size_t offset, size_t length, LockOptions options);
00061         void unlock(void);
00062 
00063 
00064     };
00065 
00067     class _OgreExport DefaultHardwareIndexBuffer : public HardwareIndexBuffer
00068     {
00069     protected:
00070         unsigned char* mpData;
00072         void* lockImpl(size_t offset, size_t length, LockOptions options);
00074         void unlockImpl(void);
00075     public:
00076         DefaultHardwareIndexBuffer(IndexType idxType, size_t numIndexes, HardwareBuffer::Usage usage);
00077         ~DefaultHardwareIndexBuffer();
00079         void readData(size_t offset, size_t length, void* pDest);
00081         void writeData(size_t offset, size_t length, const void* pSource,
00082                 bool discardWholeBuffer = false);
00084         void* lock(size_t offset, size_t length, LockOptions options);
00086         void unlock(void);
00087 
00088     };
00089 
00097     class _OgreExport DefaultHardwareBufferManager : public HardwareBufferManager
00098     {
00099     public:
00100         DefaultHardwareBufferManager();
00101         ~DefaultHardwareBufferManager();
00103         HardwareVertexBufferSharedPtr 
00104             createVertexBuffer(size_t vertexSize, size_t numVerts, 
00105                 HardwareBuffer::Usage usage, bool useShadowBuffer = false);
00107         HardwareIndexBufferSharedPtr 
00108             createIndexBuffer(HardwareIndexBuffer::IndexType itype, size_t numIndexes, 
00109                 HardwareBuffer::Usage usage, bool useShadowBuffer = false);
00111         RenderToVertexBufferSharedPtr createRenderToVertexBuffer();
00112     };
00113 
00114 
00115 }
00116 
00117 #endif

Copyright © 2008 Torus Knot Software Ltd
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Last modified Sun Sep 27 22:02:23 2009