From http://www.jwz.org/xscreensaver/xscreensaver-5.24.tar.gz

[xscreensaver] / hacks / glx / queens.man

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-.TH XScreenSaver 1 "May 2002"
-.SH NAME
-queens \- n queens screensaver
-.SH SYNOPSIS
-.B queens
-[\-display \fIhost:display.screen\fP]
-[\-window]
-[\-root]
-[\-install]
-[\-visual \fIvisual\fP]
-[\-delay \fImicroseconds\fP]
-[\-wireframe]
-[\-fps]
-.SH DESCRIPTION
-The \fIqueens\fP program solves the n-queens problem (where, in this
-program, N is between 5 and 10 queens) using a straightforward
-backtracking algorithm.  The problem is: how may one place N queens 
-on an NxN chessboard such that no queen can attack a sister?
-.SH OPTIONS
-.I queens
-accepts the following options:
-.TP 8
-.B \-window
-Draw on a newly-created window.  This is the default.
-.TP 8
-.B \-root
-Draw on the root window.
-.TP 8
-.B \-install
-Install a private colormap for the window.
-.TP 8
-.B \-visual \fIvisual\fP\fP
-Specify which visual to use.  Legal values are the name of a visual class,
-or the id number (decimal or hex) of a specific visual.
-.TP 8
-.B \-wireframe
-Render in wireframe instead of solid.
-.B \-fps
-Display the current frame rate, CPU load, and polygon count.
-.SH ENVIRONMENT
-.PP
-.TP 8
-.B DISPLAY
-to get the default host and display number.
-.TP 8
-.B XENVIRONMENT
-to get the name of a resource file that overrides the global resources
-stored in the RESOURCE_MANAGER property.
-.SH BUGS
-It's not unknown for this and other OpenGL hacks to fail under hardware accelaration (UtahGLX) and take the X server with them.  Texture images must be 16x16 or 32x32 or 64x64 etc.
-.SH SEE ALSO
-.BR X (1),
-.BR xscreensaver (1)
-.BR xscreensaver\-demo (1),
-.BR xscreensaver\-getimage (1)
-.SH COPYRIGHT
-Copyright \(co 2002 by Blair Tennessy.  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.
-.SH AUTHOR
-Blair Tennessy <tennessb@unbc.ca>, 20-April-2002.
-