/usr/include/sofa/helper/gl/RAII.h is in libsofa1-dev 1.0~beta4-10ubuntu2.
This file is owned by root:root, with mode 0o644.
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* SOFA, Simulation Open-Framework Architecture, version 1.0 beta 4 *
* (c) 2006-2009 MGH, INRIA, USTL, UJF, CNRS *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, or (at *
* your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
*******************************************************************************
* SOFA :: Framework *
* *
* Authors: M. Adam, J. Allard, B. Andre, P-J. Bensoussan, S. Cotin, C. Duriez,*
* H. Delingette, F. Falipou, F. Faure, S. Fonteneau, L. Heigeas, C. Mendoza, *
* M. Nesme, P. Neumann, J-P. de la Plata Alcade, F. Poyer and F. Roy *
* *
* Contact information: contact@sofa-framework.org *
******************************************************************************/
#ifndef SOFA_HELPER_GL_RAII_H
#define SOFA_HELPER_GL_RAII_H
#include <sofa/helper/system/gl.h>
#include <sofa/helper/helper.h>
/* Opengl Resource Acquisition Is Initialisation */
/* with this tool, we know at any moment what is the state of the openGL machine */
namespace sofa
{
namespace helper
{
namespace gl
{
template <GLenum Flag>
struct Enable
{
GLboolean state;
Enable ()
{
state = glIsEnabled(Flag);
// state contains the state of the Flag
// if this flag is activated, we haven't to reactivate it
if (!state)
glEnable (Flag);
};
~Enable ()
{
if (!state)
glDisable (Flag);
};
};
template <GLenum Flag>
struct Disable
{
GLboolean state;
Disable ()
{
state = glIsEnabled(Flag);
// state contains the state of the Flag
// if this flag is activated, we haven't to reactivate it
if (state)
glDisable (Flag);
};
~Disable ()
{
if (state)
glEnable (Flag);
};
};
} // namespace gl
} // namespace helper
} // namespace sofa
#endif
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