Main Page Namespace List Class Hierarchy Alphabetical List Compound List File List Namespace Members Compound 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 © 2000-2003 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     protected:
    00100         void destroyVertexBuffer(HardwareVertexBuffer* buf);
    00102         void destroyIndexBuffer(HardwareIndexBuffer* buf);
    00103
    00104     public:
    00105         GLDefaultHardwareBufferManager();
    00106         ~GLDefaultHardwareBufferManager();
    00108         HardwareVertexBufferSharedPtr
    00109             createVertexBuffer(size_t vertexSize, size_t numVerts,
    00110                 HardwareBuffer::Usage usage, bool useShadowBuffer = false);
    00112         HardwareIndexBufferSharedPtr
    00113             createIndexBuffer(HardwareIndexBuffer::IndexType itype, size_t numIndexes,
    00114                 HardwareBuffer::Usage usage, bool useShadowBuffer = false);
    00115
    00116     };
    00117
    00118
    00119 }
    00120
    00121 #endif

Copyright © 2002-2003 by The OGRE Team
Last modified Sun Nov 28 19:48:24 2004