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source: downloads/RenderSystems/Direct3D9/include/OgreD3D9HardwareVertexBuffer.h @ 3

Last change on this file since 3 was 3, checked in by anonymous, 17 years ago

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1/*
2-----------------------------------------------------------------------------
3This source file is part of OGRE
4    (Object-oriented Graphics Rendering Engine)
5For the latest info, see http://www.ogre3d.org/
6
7Copyright (c) 2000-2006 Torus Knot Software Ltd
8Also see acknowledgements in Readme.html
9
10This program is free software; you can redistribute it and/or modify it under
11the terms of the GNU Lesser General Public License as published by the Free Software
12Foundation; either version 2 of the License, or (at your option) any later
13version.
14
15This program is distributed in the hope that it will be useful, but WITHOUT
16ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
18
19You should have received a copy of the GNU Lesser General Public License along with
20this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21Place - Suite 330, Boston, MA 02111-1307, USA, or go to
22http://www.gnu.org/copyleft/lesser.txt.
23
24You may alternatively use this source under the terms of a specific version of
25the OGRE Unrestricted License provided you have obtained such a license from
26Torus Knot Software Ltd.
27-----------------------------------------------------------------------------
28*/
29#ifndef __D3D9HARDWAREVERTEXBUFFER_H__
30#define __D3D9HARDWAREVERTEXBUFFER_H__
31
32#include "OgreD3D9Prerequisites.h"
33#include "OgreHardwareVertexBuffer.h"
34#include <d3d9.h>
35#include <d3dx9.h>
36#include <dxerr9.h>
37
38
39namespace Ogre {
40
41    /// Specialisation of HardwareVertexBuffer for D3D9
42    class D3D9HardwareVertexBuffer : public HardwareVertexBuffer
43    {
44    protected:
45        LPDIRECT3DVERTEXBUFFER9 mlpD3DBuffer;
46                D3DPOOL mD3DPool;
47        /** See HardwareBuffer. */
48        void* lockImpl(size_t offset, size_t length, LockOptions options);
49        /** See HardwareBuffer. */
50                void unlockImpl(void);
51    public:
52                D3D9HardwareVertexBuffer(size_t vertexSize, size_t numVertices, 
53            HardwareBuffer::Usage usage, LPDIRECT3DDEVICE9 pDev, bool useSystemMem, bool useShadowBuffer);
54        ~D3D9HardwareVertexBuffer();
55        /** See HardwareBuffer. */
56        void readData(size_t offset, size_t length, void* pDest);
57        /** See HardwareBuffer. */
58        void writeData(size_t offset, size_t length, const void* pSource,
59                                bool discardWholeBuffer = false);
60                /// For dealing with lost devices - release the resource if in the default pool
61                bool releaseIfDefaultPool(void);
62                /// For dealing with lost devices - recreate the resource if in the default pool
63                bool recreateIfDefaultPool(LPDIRECT3DDEVICE9 pDev);
64
65        /// Get D3D9-specific vertex buffer
66        LPDIRECT3DVERTEXBUFFER9 getD3D9VertexBuffer(void) const { return mlpD3DBuffer; }
67
68
69    };
70
71}
72#endif
73
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