Back to index

nux  3.0.0
IOpenGLIndexBuffer.h
Go to the documentation of this file.
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 IOPENGLINDEXBUFFER_H
00024 #define IOPENGLINDEXBUFFER_H
00025 
00026 namespace nux
00027 {
00028 
00029   class IOpenGLResource;
00030   class IOpenGLIndexBuffer: public IOpenGLResource
00031   {
00032     NUX_DECLARE_OBJECT_TYPE(IOpenGLIndexBuffer, IOpenGLResource);
00033 
00034   public:
00035     virtual ~IOpenGLIndexBuffer();
00036 
00037     int Lock(
00038       unsigned int OffsetToLock,
00039       unsigned int SizeToLock,
00040       void **ppbData);
00041     int Unlock();
00042 
00043     int GetStride();
00044 
00045     int GetDescription(INDEXBUFFER_DESC *desc) const
00046     {
00047       desc->Format = _Format;
00048       desc->Usage = _Usage;
00049       desc->Size = _Length;
00050       return OGL_OK;
00051     }
00052 
00053     void BindIndexBuffer();
00054     unsigned int GetSize();
00055 
00056   private:
00057     IOpenGLIndexBuffer(unsigned int Length, VBO_USAGE Usage, INDEX_FORMAT Format, NUX_FILE_LINE_PROTO);
00058 
00059     unsigned int        _Length;
00060     INDEX_FORMAT   _Format;
00061     VBO_USAGE      _Usage;
00062 
00063     BYTE       *_MemMap;
00064     unsigned int        _OffsetToLock;
00065     unsigned int        _SizeToLock;
00066     friend class GpuDevice;
00067   };
00068 
00069 }
00070 
00071 #endif // IOPENGLINDEXBUFFER_H