.TH xscreensaver-gl-helper 1 "5.45 (08-Dec-2020)" "X Version 11" "XScreenSaver manual"
.SH NAME
xscreensaver-gl-helper \- figure out which X visual to use for GL programs
.SH SYNOPSIS
.B xscreensaver-gl-helper
[\-display \fIhost:display.screen\fP]
.SH DESCRIPTION
This program prints the ID of the visual that should be used for proper
operation of OpenGL programs.  This program only exists so that the 
.BR xscreensaver (1)
daemon does not need to link against the OpenGL library.
.SH ENVIRONMENT
.PP
.TP 8
.B DISPLAY
to get the default host, display, and screen number.
.SH SEE ALSO
.BR X (1),
.BR xdpyinfo (1),
.BR xglinfo (1),
.BR glxinfo (1),
.BR glxdpyinfo (1),
.BR xscreensaver (1),
.BR xscreensaver\-demo (1),
.BR xscreensaver\-command (1)
.SH COPYRIGHT
Copyright \(co 2000 by Jamie Zawinski.  Permission to use, copy, modify, 
distribute, and sell this software and its documentation for any purpose is 
hereby granted without fee, provided that the above copyright notice appear 
in all copies and that both that copyright notice and this permission notice
appear in supporting documentation.  No representations are made about the 
suitability of this software for any purpose.  It is provided "as is" without
express or implied warranty.