glutReportErrors  -  for  debugging  purposes;  prints out
       OpenGL run-time errors.

SYNTAX

       void glutReportErrors(void);

DESCRIPTION

       This routine prints out any OpenGL run-time errors pending
       and clears the errors.  This routine typically should only
       be used for debugging purposes since calling it will  slow
       OpenGL programs.  It is provided as a convenience; all the
       routine does is call glGetError until no more  errors  are
       reported.   Any  errors  detected are reported with a GLUT
       warning and the corresponding text  message  generated  by
       gluErrorString.

       Calling  glutReportErrors  repeatedly  in your program can
       help isolate OpenGL errors to the  offending  OpenGL  com-
       mand.   Remember  that  you can use the -gldebug option to
       detect OpenGL errors in any GLUT program.

SEE ALSO

       glutInit,  glutCreateWindow,  glutInitDisplayMode,
       gluErrorString, glGetError

AUTHOR

       Mark J. Kilgard (mjk@nvidia.com)