OgreDefaultHardwareBufferManager.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 
00026 #ifndef __DefaultHardwareBufferManager_H__
00027 #define __DefaultHardwareBufferManager_H__
00028 
00029 #include "OgrePrerequisites.h"
00030 #include "OgreHardwareBufferManager.h"
00031 #include "OgreHardwareVertexBuffer.h"
00032 #include "OgreHardwareIndexBuffer.h"
00033 
00034 namespace Ogre {
00035 
00037     class _OgreExport DefaultHardwareVertexBuffer : public HardwareVertexBuffer 
00038     {
00039     protected:
00040         unsigned char* mpData;
00042         void* lockImpl(size_t offset, size_t length, LockOptions options);
00044         void unlockImpl(void);
00045     public:
00046         DefaultHardwareVertexBuffer(size_t vertexSize, size_t numVertices, 
00047             HardwareBuffer::Usage usage);
00048         ~DefaultHardwareVertexBuffer();
00050         void readData(size_t offset, size_t length, void* pDest);
00052         void writeData(size_t offset, size_t length, const void* pSource,
00053                 bool discardWholeBuffer = false);
00055         void* lock(size_t offset, size_t length, LockOptions options);
00057         void unlock(void);
00058 
00059 
00060     };
00061 
00063     class _OgreExport DefaultHardwareIndexBuffer : public HardwareIndexBuffer
00064     {
00065     protected:
00066         unsigned char* mpData;
00068         void* lockImpl(size_t offset, size_t length, LockOptions options);
00070         void unlockImpl(void);
00071     public:
00072         DefaultHardwareIndexBuffer(IndexType idxType, size_t numIndexes, HardwareBuffer::Usage usage);
00073         ~DefaultHardwareIndexBuffer();
00075         void readData(size_t offset, size_t length, void* pDest);
00077         void writeData(size_t offset, size_t length, const void* pSource,
00078                 bool discardWholeBuffer = false);
00080         void* lock(size_t offset, size_t length, LockOptions options);
00082         void unlock(void);
00083 
00084     };
00085 
00093     class _OgreExport DefaultHardwareBufferManager : public HardwareBufferManager
00094     {
00095     public:
00096         DefaultHardwareBufferManager();
00097         ~DefaultHardwareBufferManager();
00099         HardwareVertexBufferSharedPtr 
00100             createVertexBuffer(size_t vertexSize, size_t numVerts, 
00101                 HardwareBuffer::Usage usage, bool useShadowBuffer = false);
00103         HardwareIndexBufferSharedPtr 
00104             createIndexBuffer(HardwareIndexBuffer::IndexType itype, size_t numIndexes, 
00105                 HardwareBuffer::Usage usage, bool useShadowBuffer = false);
00106 
00107     };
00108 
00109 
00110 }
00111 
00112 #endif