nux-1.16.0
IOpenGLVertexBuffer.h
00001 /*
00002  * Copyright 2010 Inalogic® Inc.
00003  *
00004  * This program is free software: you can redistribute it and/or modify it
00005  * under the terms of the GNU Lesser General Public License, as
00006  * published by the  Free Software Foundation; either version 2.1 or 3.0
00007  * of the License.
00008  *
00009  * This program is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranties of
00011  * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
00012  * PURPOSE.  See the applicable version of the GNU Lesser General Public
00013  * License for more details.
00014  *
00015  * You should have received a copy of both the GNU Lesser General Public
00016  * License along with this program. If not, see <http://www.gnu.org/licenses/>
00017  *
00018  * Authored by: Jay Taoko <jaytaoko@inalogic.com>
00019  *
00020  */
00021 
00022 
00023 #ifndef IOPENGLVERTEXBUFFER_H
00024 #define IOPENGLVERTEXBUFFER_H
00025 
00026 #include "IOpenGLResource.h"
00027 namespace nux
00028 {
00029 
00030   class IOpenGLResource;
00031   class IOpenGLVertexBuffer: public IOpenGLResource
00032   {
00033     NUX_DECLARE_OBJECT_TYPE (IOpenGLVertexBuffer, IOpenGLResource);
00034 
00035   public:
00036     virtual ~IOpenGLVertexBuffer();
00037 
00038     int Lock (
00039       t_u32 OffsetToLock,
00040       t_u32 SizeToLock,
00041       void **ppbData);
00042     int Unlock();
00043 
00044     int GetDescription (VERTEXBUFFER_DESC *desc) const
00045     {
00046       desc->Usage = _Usage;
00047       desc->Size = _Length;
00048       return OGL_OK;
00049     }
00050 
00051     void BindVertexBuffer();
00052     t_u32 GetSize();
00053 
00054   private:
00055     IOpenGLVertexBuffer (t_u32 Length, VBO_USAGE Usage, NUX_FILE_LINE_PROTO);
00056 
00057     t_u32 _Length;
00058     VBO_USAGE _Usage;
00059 
00060     BYTE *_MemMap;
00061     t_u32  _OffsetToLock;
00062     t_u32  _SizeToLock;
00063     friend class GpuDevice;
00064   };
00065 
00066 }
00067 
00068 #endif // IOPENGLVERTEXBUFFER_H
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