text: #ifdef HAVE_DIX_CONFIG_H
  #include <dix-config.h>
  #endif
  
  #ifndef _glxext_h_
  #define _glxext_h_
  
  /*
   * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
   * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice including the dates of first publication and
   * either this permission notice or a reference to
   * http://oss.sgi.com/projects/FreeB/
   * shall be included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
   * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
   * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
   * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   *
   * Except as contained in this notice, the name of Silicon Graphics, Inc.
   * shall not be used in advertising or otherwise to promote the sale, use or
   * other dealings in this Software without prior written authorization from
   * Silicon Graphics, Inc.
   */
  
  /* doing #include <GL/glx.h> & #include <GL/glxext.h> could cause problems
   * with overlapping definitions, so let's use the easy way
   */
  #ifndef GLX_RGBA_FLOAT_BIT_ARB
  #define GLX_RGBA_FLOAT_BIT_ARB             0x00000004
  #endif
  #ifndef GLX_RGBA_FLOAT_TYPE_ARB
  #define GLX_RGBA_FLOAT_TYPE_ARB            0x20B9
  #endif
  #ifndef GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
  #define GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT    0x00000008
  #endif
  #ifndef GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
  #define GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT   0x20B1
  #endif
  
  extern void __glXFlushContextCache(void);
  
  extern Bool __glXAddContext(__GLXcontext * cx);
  extern void __glXErrorCallBack(GLenum code);
  extern void __glXClearErrorOccured(void);
  extern GLboolean __glXErrorOccured(void);
  extern void __glXResetLargeCommandStatus(__GLXclientState *);
  
  extern const char GLServerVersion[];
  extern int DoGetString(__GLXclientState * cl, GLbyte * pc, GLboolean need_swap);
  
  #endif                          /* _glxext_h_ */
  