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) 2000-2009 Torus Knot Software Ltd
00008 
00009 Permission is hereby granted, free of charge, to any person obtaining a copy
00010 of this software and associated documentation files (the "Software"), to deal
00011 in the Software without restriction, including without limitation the rights
00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00013 copies of the Software, and to permit persons to whom the Software is
00014 furnished to do so, subject to the following conditions:
00015 
00016 The above copyright notice and this permission notice shall be included in
00017 all copies or substantial portions of the Software.
00018 
00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00025 THE SOFTWARE.
00026 -----------------------------------------------------------------------------
00027 */
00028 
00029 #ifndef __DefaultHardwareBufferManager_H__
00030 #define __DefaultHardwareBufferManager_H__
00031 
00032 #include "OgrePrerequisites.h"
00033 #include "OgreHardwareBufferManager.h"
00034 #include "OgreHardwareVertexBuffer.h"
00035 #include "OgreHardwareIndexBuffer.h"
00036 
00037 namespace Ogre {
00045 
00046     class _OgreExport DefaultHardwareVertexBuffer : public HardwareVertexBuffer 
00047     {
00048     protected:
00049         unsigned char* mpData;
00051         void* lockImpl(size_t offset, size_t length, LockOptions options);
00053         void unlockImpl(void);
00054     public:
00055         DefaultHardwareVertexBuffer(size_t vertexSize, size_t numVertices, 
00056             HardwareBuffer::Usage usage);
00057         ~DefaultHardwareVertexBuffer();
00059         void readData(size_t offset, size_t length, void* pDest);
00061         void writeData(size_t offset, size_t length, const void* pSource,
00062                 bool discardWholeBuffer = false);
00064         void* lock(size_t offset, size_t length, LockOptions options);
00066         void unlock(void);
00067 
00068 
00069     };
00070 
00072     class _OgreExport DefaultHardwareIndexBuffer : public HardwareIndexBuffer
00073     {
00074     protected:
00075         unsigned char* mpData;
00077         void* lockImpl(size_t offset, size_t length, LockOptions options);
00079         void unlockImpl(void);
00080     public:
00081         DefaultHardwareIndexBuffer(IndexType idxType, size_t numIndexes, HardwareBuffer::Usage usage);
00082         ~DefaultHardwareIndexBuffer();
00084         void readData(size_t offset, size_t length, void* pDest);
00086         void writeData(size_t offset, size_t length, const void* pSource,
00087                 bool discardWholeBuffer = false);
00089         void* lock(size_t offset, size_t length, LockOptions options);
00091         void unlock(void);
00092 
00093     };
00094 
00102     class _OgreExport DefaultHardwareBufferManagerBase : public HardwareBufferManagerBase
00103     {
00104     public:
00105         DefaultHardwareBufferManagerBase();
00106         ~DefaultHardwareBufferManagerBase();
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);
00116         RenderToVertexBufferSharedPtr createRenderToVertexBuffer();
00117     };
00118 
00120     class _OgreExport DefaultHardwareBufferManager : public HardwareBufferManager
00121     {
00122     public:
00123         DefaultHardwareBufferManager()
00124             : HardwareBufferManager(OGRE_NEW DefaultHardwareBufferManagerBase()) 
00125         {
00126 
00127         }
00128         ~DefaultHardwareBufferManager()
00129         {
00130             OGRE_DELETE mImpl;
00131         }
00132     };
00133 
00137 }
00138 
00139 #endif

Copyright © 2008 Torus Knot Software Ltd
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This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Feb 28 21:10:35 2010