/usr/include/tulip/OpenGlConfigManager.h is in libtulip-dev 4.4.0dfsg2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* This file is part of Tulip (www.tulip-software.org)
*
* Authors: David Auber and the Tulip development Team
* from LaBRI, University of Bordeaux 1 and Inria Bordeaux - Sud Ouest
*
* Tulip 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 3
* of the License, or (at your option) any later version.
*
* Tulip 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 General Public License for more details.
*
*/
///@cond DOXYGEN_HIDDEN
#ifndef Tulip_OPENGLCONFIGMANAGER_H
#define Tulip_OPENGLCONFIGMANAGER_H
#include <tulip/tulipconf.h>
#include <map>
#include <string>
#define BUFFER_OFFSET(bytes) ((GLubyte*) NULL + (bytes))
namespace tlp {
/** \brief Singleton used to manage OpenGl configuration
*
* Singleton used to manage OpenGl configuration
*/
class TLP_GL_SCOPE OpenGlConfigManager {
public:
/**
* Return the current instance. If instance doesn't exist, create it.
*/
static OpenGlConfigManager &getInst();
/**
* Returns the OpenGL version number supported by the host system.
*/
double getOpenGLVersion();
/**
* Return the vendor name of the OpenGL driver installed on the host system.
*/
std::string getOpenGLVendor();
/**
* Checks if an OpenGL extension is supported by the driver installed on the host system.
* \param extensionName the name of the OpenGL extension to check in the form "GL_.*" (for instance "GL_ARB_vertex_buffer_object")
*/
bool isExtensionSupported(const std::string &extensionName);
/**
* Returns if vertex buffer objects can be used on the host system.
*/
bool hasVertexBufferObject();
/**
* Enables / disables anti-aliasing rendering.
*/
void setAntiAliasing(const bool antialiasing) {
antialiased = antialiasing;
}
/**
* Activates the anti-aliasing of lines and points primitives.
* This method has no effect if anti-aliasing has been disabled by a call to setAntiAliasing(false).
*/
void activateLineAndPointAntiAliasing();
/**
* Desactivates the anti-aliasing of lines and points primitives.
* This method has no effect if anti-aliasing has been disabled by a call to setAntiAliasing(false).
*/
void desactivateLineAndPointAntiAliasing();
/**
* Activates the anti-aliasing of polygons primitives.
* This method has no effect if anti-aliasing has been disabled by a call to setAntiAliasing(false).
*/
void activatePolygonAntiAliasing();
/**
* Desactivates the anti-aliasing of polygons primitives.
* This method has no effect if anti-aliasing has been disabled by a call to setAntiAliasing(false).
*/
void desactivatePolygonAntiAliasing();
void initExtensions();
private:
/**
* Private constructor for singleton
*/
OpenGlConfigManager();
static OpenGlConfigManager* inst;
bool glewIsInit;
bool driversAreChecked;
bool antialiased;
std::map<std::string, bool> checkedExtensions;
};
}
#endif
///@endcond
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