OgreD3D11HardwareIndexBuffer.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 #ifndef __D3D11HARDWAREINDEXBUFFER_H__
00029 #define __D3D11HARDWAREINDEXBUFFER_H__
00030 
00031 #include "OgreD3D11Prerequisites.h"
00032 #include "OgreHardwareIndexBuffer.h"
00033 
00034 
00035 namespace Ogre { 
00036 
00037 
00038     class D3D11HardwareIndexBuffer : public HardwareIndexBuffer
00039     {
00040     protected:
00041         D3D11HardwareBuffer* mBufferImpl;
00042         // have to implement these, but do nothing as overridden lock/unlock
00043         void* lockImpl(size_t offset, size_t length, LockOptions options) {return 0;}
00044         void unlockImpl(void) {}
00045 
00046     public:
00047         D3D11HardwareIndexBuffer(HardwareBufferManagerBase* mgr, IndexType idxType, size_t numIndexes, 
00048             HardwareBuffer::Usage usage, D3D11Device & device, bool useSystemMem, bool useShadowBuffer);
00049         ~D3D11HardwareIndexBuffer();
00050 
00051         // override all data-gathering methods
00052         void* lock(size_t offset, size_t length, LockOptions options);
00053         void unlock(void);
00054         void readData(size_t offset, size_t length, void* pDest);
00055         void writeData(size_t offset, size_t length, const void* pSource,
00056             bool discardWholeBuffer = false);
00057 
00058         void copyData(HardwareBuffer& srcBuffer, size_t srcOffset, 
00059             size_t dstOffset, size_t length, bool discardWholeBuffer = false);
00060         bool isLocked(void) const;
00061 
00063         bool releaseIfDefaultPool(void);
00065         bool recreateIfDefaultPool(D3D11Device & device);
00066 
00068         ID3D11Buffer * getD3DIndexBuffer(void) const;
00069 
00070 
00071 
00072 
00073 
00074     };
00075 
00076 
00077 }
00078 
00079 
00080 
00081 #endif
00082 

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