Basic Image AlgorithmS Library
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Utils
GlewInitWrapper.hh
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/*
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This file is part of the BIAS library (Basic ImageAlgorithmS).
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Copyright (C) 2003-2009 (see file CONTACT for details)
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Multimediale Systeme der Informationsverarbeitung
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Institut fuer Informatik
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Christian-Albrechts-Universitaet Kiel
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BIAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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BIAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with BIAS; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __GlewInitWrapper_hh__
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#define __GlewInitWrapper_hh__
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#include <Base/Common/Singleton.hh>
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namespace
BIAS {
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/**
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* @class GlewInitWrapper
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@brief To call glewInit() at the right time and only once is not easy in
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complex applications. This wrapper helps to avoid calling it
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twice or more times. At the eraliest possible place right after
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the gl-context is ready, just call:
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GlewInitWrapper::GetInstance()->Init();
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No need to protect it agains multiple calls, this is checked internally.
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@ingroup g_openglframework
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@author MIP
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*/
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class
BIASUtils_EXPORT
GlewInitWrapper
:
public
Singleton
<GlewInitWrapper>
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{
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public
:
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int
Init();
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bool
IsInitalised
() {
return
IsInitialised_;} ;
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friend
class
BIAS::Singleton
<
GlewInitWrapper
>;
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protected
:
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GlewInitWrapper
();
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bool
IsInitialised_
;
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};
//class
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}
//namespace
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#endif
BIAS::GlewInitWrapper::IsInitalised
bool IsInitalised()
Definition:
GlewInitWrapper.hh:49
BIAS::GlewInitWrapper::IsInitialised_
bool IsInitialised_
Definition:
GlewInitWrapper.hh:57
BIAS::GlewInitWrapper
To call glewInit() at the right time and only once is not easy in complex applications.
Definition:
GlewInitWrapper.hh:44
BIAS::Singleton
Simple singleton implementation for multithreaded applications.
Definition:
Singleton.hh:86
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