source: OGRE/trunk/ogrenew/RenderSystems/GL/include/OgreGLHardwareVertexBuffer.h @ 692

Revision 692, 2.2 KB checked in by mattausch, 19 years ago (diff)

adding ogre 1.2 and dependencies

Line 
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) 2000-2005 The OGRE Team
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-----------------------------------------------------------------------------
24*/
25#ifndef __GLHARDWAREVERTEXBUFFER_H__
26#define __GLHARDWAREVERTEXBUFFER_H__
27
28#include "OgreGLPrerequisites.h"
29#include "OgreHardwareVertexBuffer.h"
30
31namespace Ogre {
32
33    /// Specialisation of HardwareVertexBuffer for OpenGL
34    class GLHardwareVertexBuffer : public HardwareVertexBuffer
35    {
36    private:
37        GLuint mBufferId;
38
39    protected:
40        /** See HardwareBuffer. */
41        void* lockImpl(size_t offset, size_t length, LockOptions options);
42        /** See HardwareBuffer. */
43        void unlockImpl(void);
44    public:
45        GLHardwareVertexBuffer(size_t vertexSize, size_t numVertices,
46            HardwareBuffer::Usage usage, bool useShadowBuffer);
47        ~GLHardwareVertexBuffer();
48        /** See HardwareBuffer. */
49        void readData(size_t offset, size_t length, void* pDest);
50        /** See HardwareBuffer. */
51        void writeData(size_t offset, size_t length,
52            const void* pSource, bool discardWholeBuffer = false);
53
54        GLuint getGLBufferId(void) const { return mBufferId; }
55    };
56
57}
58#endif // __GLHARDWAREVERTEXBUFFER_H__
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