text: #ifndef COIN_GLUE_INTERNAL_CGL_H
  #define COIN_GLUE_INTERNAL_CGL_H
  
  /**************************************************************************\
   *
   *  This file is part of the Coin 3D visualization library.
   *  Copyright (C) by Kongsberg Oil & Gas Technologies.
   *
   *  This library is free software; you can redistribute it and/or
   *  modify it under the terms of the GNU General Public License
   *  ("GPL") version 2 as published by the Free Software Foundation.
   *  See the file LICENSE.GPL at the root directory of this source
   *  distribution for additional information about the GNU GPL.
   *
   *  For using Coin with software that can not be combined with the GNU
   *  GPL, and for taking advantage of the additional benefits of our
   *  support services, please contact Kongsberg Oil & Gas Technologies
   *  about acquiring a Coin Professional Edition License.
   *
   *  See http://www.coin3d.org/ for more information.
   *
   *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
   *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
   *
  \**************************************************************************/
  
  #ifndef COIN_INTERNAL
  #error this is a private header file
  #endif
  
  #include <Inventor/SbBasic.h> // SbBool
  
  #ifdef __cplusplus
  extern "C" {
  #endif /* __cplusplus */
  
  
  void * cglglue_getprocaddress(const char * fname);
  void * cglglue_context_create_offscreen(unsigned int width,
                                          unsigned int height);
  SbBool cglglue_context_make_current(void * ctx);
  void cglglue_context_reinstate_previous(void * ctx);
  void cglglue_context_destruct(void * ctx);
  void cglglue_context_bind_pbuffer(void * ctx);
  void cglglue_context_release_pbuffer(void * ctx);
  SbBool cglglue_context_pbuffer_is_bound(void * ctx);
  SbBool cglglue_context_can_render_to_texture(void * ctx);
  void cglglue_cleanup(void);
  #ifdef __cplusplus
  }
  #endif /* __cplusplus */
  
  #endif /* !COIN_GLUE_INTERNAL_CGL_H */
  