Main Page | Namespace List | Class Hierarchy | Alphabetical List | Class List | File List | Namespace Members | Class Members | File Members | Related Pages

OgreGLDefaultHardwareBufferManager.h

Go to the documentation of this 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 __GLDefaultHardwareBufferManager_H__
00027 #define __GLDefaultHardwareBufferManager_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 GLDefaultHardwareVertexBuffer : 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 
00046     public:
00047         GLDefaultHardwareVertexBuffer(size_t vertexSize, size_t numVertices, 
00048             HardwareBuffer::Usage usage);
00049         ~GLDefaultHardwareVertexBuffer();
00051         void readData(size_t offset, size_t length, void* pDest);
00053         void writeData(size_t offset, size_t length, const void* pSource,
00054                 bool discardWholeBuffer = false);
00056         void* lock(size_t offset, size_t length, LockOptions options);
00058         void unlock(void);
00059 
00060         //void* getDataPtr(void) const { return (void*)mpData; }
00061         void* getDataPtr(size_t offset) const { return (void*)(mpData + offset); }
00062     };
00063 
00065     class GLDefaultHardwareIndexBuffer : public HardwareIndexBuffer
00066     {
00067     protected:
00068         unsigned char* mpData;
00070         void* lockImpl(size_t offset, size_t length, LockOptions options);
00072         void unlockImpl(void);
00073     public:
00074         GLDefaultHardwareIndexBuffer(IndexType idxType, size_t numIndexes, HardwareBuffer::Usage usage);
00075         ~GLDefaultHardwareIndexBuffer();
00077         void readData(size_t offset, size_t length, void* pDest);
00079         void writeData(size_t offset, size_t length, const void* pSource,
00080                 bool discardWholeBuffer = false);
00082         void* lock(size_t offset, size_t length, LockOptions options);
00084         void unlock(void);
00085 
00086         void* getDataPtr(size_t offset) const { return (void*)(mpData + offset); }
00087     };
00088 
00096     class GLDefaultHardwareBufferManager : public HardwareBufferManager
00097     {
00098     public:
00099         GLDefaultHardwareBufferManager();
00100         ~GLDefaultHardwareBufferManager();
00102         HardwareVertexBufferSharedPtr 
00103             createVertexBuffer(size_t vertexSize, size_t numVerts, 
00104                 HardwareBuffer::Usage usage, bool useShadowBuffer = false);
00106         HardwareIndexBufferSharedPtr 
00107             createIndexBuffer(HardwareIndexBuffer::IndexType itype, size_t numIndexes, 
00108                 HardwareBuffer::Usage usage, bool useShadowBuffer = false);
00109 
00110     };
00111 
00112 
00113 }
00114 
00115 #endif

Copyright © 2000-2005 by The OGRE Team
Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Mar 12 14:37:41 2006