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) 2000-2012 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* mData;
    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, HardwareBuffer::Usage usage);
    00056         DefaultHardwareVertexBuffer(HardwareBufferManagerBase* mgr, size_t vertexSize, size_t numVertices,
    00057             HardwareBuffer::Usage usage);
    00058         ~DefaultHardwareVertexBuffer();
    00060         void readData(size_t offset, size_t length, void* pDest);
    00062         void writeData(size_t offset, size_t length, const void* pSource,
    00063                 bool discardWholeBuffer = false);
    00065         void* lock(size_t offset, size_t length, LockOptions options);
    00067         void unlock(void);
    00068
    00069
    00070     };
    00071
    00073     class _OgreExport DefaultHardwareIndexBuffer : public HardwareIndexBuffer
    00074     {
    00075     protected:
    00076         unsigned char* mData;
    00078         void* lockImpl(size_t offset, size_t length, LockOptions options);
    00080         void unlockImpl(void);
    00081     public:
    00082         DefaultHardwareIndexBuffer(IndexType idxType, size_t numIndexes, HardwareBuffer::Usage usage);
    00083         ~DefaultHardwareIndexBuffer();
    00085         void readData(size_t offset, size_t length, void* pDest);
    00087         void writeData(size_t offset, size_t length, const void* pSource,
    00088                 bool discardWholeBuffer = false);
    00090         void* lock(size_t offset, size_t length, LockOptions options);
    00092         void unlock(void);
    00093
    00094     };
    00095
    00103     class _OgreExport DefaultHardwareBufferManagerBase : public HardwareBufferManagerBase
    00104     {
    00105     public:
    00106         DefaultHardwareBufferManagerBase();
    00107         ~DefaultHardwareBufferManagerBase();
    00109         HardwareVertexBufferSharedPtr
    00110             createVertexBuffer(size_t vertexSize, size_t numVerts,
    00111                 HardwareBuffer::Usage usage, bool useShadowBuffer = false);
    00113         HardwareIndexBufferSharedPtr
    00114             createIndexBuffer(HardwareIndexBuffer::IndexType itype, size_t numIndexes,
    00115                 HardwareBuffer::Usage usage, bool useShadowBuffer = false);
    00117         RenderToVertexBufferSharedPtr createRenderToVertexBuffer();
    00118     };
    00119
    00121     class _OgreExport DefaultHardwareBufferManager : public HardwareBufferManager
    00122     {
    00123     public:
    00124         DefaultHardwareBufferManager()
    00125             : HardwareBufferManager(OGRE_NEW DefaultHardwareBufferManagerBase())
    00126         {
    00127
    00128         }
    00129         ~DefaultHardwareBufferManager()
    00130         {
    00131             OGRE_DELETE mImpl;
    00132         }
    00133     };
    00134
    00138 }
    00139
    00140 #endif

Copyright © 2012 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:21