source: OGRE/trunk/ogrenew/RenderSystems/GL/include/OgreGLHardwareBufferManager.h @ 657

Revision 657, 2.5 KB checked in by mattausch, 19 years ago (diff)

added ogre dependencies and patched ogre sources

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 __GLHARWAREBUFFERMANAGER_H__
26#define __GLHARWAREBUFFERMANAGER_H__
27
28#include "OgreGLPrerequisites.h"
29#include "OgreHardwareBufferManager.h"
30
31namespace Ogre {
32
33    /** Implementation of HardwareBufferManager for OpenGL. */
34    class GLHardwareBufferManager : public HardwareBufferManager
35    {
36    public:
37        GLHardwareBufferManager();
38        ~GLHardwareBufferManager();
39        /// Creates a vertex buffer
40        HardwareVertexBufferSharedPtr createVertexBuffer(size_t vertexSize,
41            size_t numVerts, HardwareBuffer::Usage usage, bool useShadowBuffer = false);
42        /// Create a hardware vertex buffer
43        HardwareIndexBufferSharedPtr createIndexBuffer(
44            HardwareIndexBuffer::IndexType itype, size_t numIndexes,
45            HardwareBuffer::Usage usage, bool useShadowBuffer = false);
46
47        /// Creates a vertex declaration, may be overridden by certain rendering APIs
48        VertexDeclaration* createVertexDeclaration(void);
49        /// Destroys a vertex declaration, may be overridden by certain rendering APIs
50        void destroyVertexDeclaration(VertexDeclaration* decl);
51
52        /// Utility function to get the correct GL usage based on HBU's
53        static GLenum getGLUsage(unsigned int usage);
54
55        /// Utility function to get the correct GL type based on VET's
56        static GLenum getGLType(unsigned int type);
57    };
58
59}
60
61#endif // __GLHARWAREBUFFERMANAGER_H__
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