[1092] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 |
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| 26 | #ifndef __DefaultHardwareBufferManager_H__
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| 27 | #define __DefaultHardwareBufferManager_H__
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| 28 |
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| 29 | #include "OgrePrerequisites.h"
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| 30 | #include "OgreHardwareBufferManager.h"
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| 31 | #include "OgreHardwareVertexBuffer.h"
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| 32 | #include "OgreHardwareIndexBuffer.h"
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| 33 |
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| 34 | namespace Ogre {
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| 35 |
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| 36 | /// Specialisation of HardwareVertexBuffer for emulation
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| 37 | class _OgreExport DefaultHardwareVertexBuffer : public HardwareVertexBuffer
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| 38 | {
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| 39 | protected:
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| 40 | unsigned char* mpData;
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| 41 | /** See HardwareBuffer. */
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| 42 | void* lockImpl(size_t offset, size_t length, LockOptions options);
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| 43 | /** See HardwareBuffer. */
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| 44 | void unlockImpl(void);
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| 45 | public:
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| 46 | DefaultHardwareVertexBuffer(size_t vertexSize, size_t numVertices,
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| 47 | HardwareBuffer::Usage usage);
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| 48 | ~DefaultHardwareVertexBuffer();
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| 49 | /** See HardwareBuffer. */
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| 50 | void readData(size_t offset, size_t length, void* pDest);
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| 51 | /** See HardwareBuffer. */
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| 52 | void writeData(size_t offset, size_t length, const void* pSource,
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| 53 | bool discardWholeBuffer = false);
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| 54 | /** Override HardwareBuffer to turn off all shadowing. */
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| 55 | void* lock(size_t offset, size_t length, LockOptions options);
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| 56 | /** Override HardwareBuffer to turn off all shadowing. */
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| 57 | void unlock(void);
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| 58 |
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| 59 |
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| 60 | };
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| 61 |
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| 62 | /// Specialisation of HardwareIndexBuffer for emulation
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| 63 | class _OgreExport DefaultHardwareIndexBuffer : public HardwareIndexBuffer
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| 64 | {
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| 65 | protected:
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| 66 | unsigned char* mpData;
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| 67 | /** See HardwareBuffer. */
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| 68 | void* lockImpl(size_t offset, size_t length, LockOptions options);
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| 69 | /** See HardwareBuffer. */
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| 70 | void unlockImpl(void);
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| 71 | public:
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| 72 | DefaultHardwareIndexBuffer(IndexType idxType, size_t numIndexes, HardwareBuffer::Usage usage);
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| 73 | ~DefaultHardwareIndexBuffer();
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| 74 | /** See HardwareBuffer. */
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| 75 | void readData(size_t offset, size_t length, void* pDest);
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| 76 | /** See HardwareBuffer. */
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| 77 | void writeData(size_t offset, size_t length, const void* pSource,
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| 78 | bool discardWholeBuffer = false);
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| 79 | /** Override HardwareBuffer to turn off all shadowing. */
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| 80 | void* lock(size_t offset, size_t length, LockOptions options);
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| 81 | /** Override HardwareBuffer to turn off all shadowing. */
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| 82 | void unlock(void);
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| 83 |
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| 84 | };
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| 85 |
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| 86 | /** Specialisation of HardwareBufferManager to emulate hardware buffers.
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| 87 | @remarks
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| 88 | You might want to instantiate this class if you want to utilise
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| 89 | classes like MeshSerializer without having initialised the
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| 90 | rendering system (which is required to create a 'real' hardware
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| 91 | buffer manager.
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| 92 | */
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| 93 | class _OgreExport DefaultHardwareBufferManager : public HardwareBufferManager
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| 94 | {
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| 95 | public:
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| 96 | DefaultHardwareBufferManager();
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| 97 | ~DefaultHardwareBufferManager();
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| 98 | /// Creates a vertex buffer
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| 99 | HardwareVertexBufferSharedPtr
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| 100 | createVertexBuffer(size_t vertexSize, size_t numVerts,
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| 101 | HardwareBuffer::Usage usage, bool useShadowBuffer = false);
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| 102 | /// Create a hardware vertex buffer
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| 103 | HardwareIndexBufferSharedPtr
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| 104 | createIndexBuffer(HardwareIndexBuffer::IndexType itype, size_t numIndexes,
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| 105 | HardwareBuffer::Usage usage, bool useShadowBuffer = false);
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| 106 |
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| 107 | };
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| 108 |
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| 109 |
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| 110 | }
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| 111 |
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| 112 | #endif
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