nux-1.14.0
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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 IOPENGLQUERY_H 00024 #define IOPENGLQUERY_H 00025 00026 namespace nux 00027 { 00028 00029 class IOpenGLResource; 00030 class IOpenGLQuery: public IOpenGLResource 00031 { 00032 NUX_DECLARE_OBJECT_TYPE (IOpenGLQuery, IOpenGLResource); 00033 00034 public: 00035 int GetData ( 00036 int *pData, 00037 t_u32 Size, 00038 t_u32 GetDataFlags 00039 ); 00040 t_u32 GetDataSize(); 00041 00042 void GetDevice ( 00043 GpuDevice **ppDevice 00044 ); 00045 00046 QUERY_TYPE GetType(); 00047 00048 void Issue ( 00049 t_u32 IssueFlags 00050 ); 00051 00052 // Convenient functions 00053 00054 // Return True is the result is available. That is glGetQueryObjectuivARB won't block 00055 // if called with GL_QUERY_RESULT_ARB. 00056 bool IsResultAvailable(); 00057 // Return the result of the query. Make sure IsResultAvailable returned TRUE before calling this function. 00058 // If you fail to do that, GetResult will block before returning. 00059 unsigned int GetResult(); 00060 00061 IOpenGLQuery (QUERY_TYPE Type); 00062 virtual ~IOpenGLQuery() {}; 00063 00064 00065 private: 00066 QUERY_TYPE _Type; 00067 bool _QueryStarted; 00068 friend class GpuDevice; 00069 static t_u32 _CurrentlyActiveQuery; 00070 }; 00071 00072 } 00073 00074 #endif // IOPENGLQUERY_H