X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=hacks%2Fglx%2Fglblur.man;fp=hacks%2Fglx%2Fglblur.man;h=968f42f27ce62d819074a8a40078a039edc48eb3;hp=0000000000000000000000000000000000000000;hb=ffcd2e7e3da122dbba5c4188e05d3a63d0ede26e;hpb=019de959b265701cd0c3fccbb61f2b69f06bf9ee

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+.TH XScreenSaver 1 "" "X Version 11"
+.SH NAME
+glblur - 3D radial blur texture fields
+.SH SYNOPSIS
+.B glblur
+[\-display \fIhost:display.screen\fP]
+[\-visual \fIvisual\fP]
+[\-window]
+[\-root]
+[\-delay \fInumber\fP]
+[\-blursize \fInumber\fP]
+[\-no-wander]
+[\-no-spin]
+[\-spin \fI[XYZ]\fP]
+[\-fps]
+.SH DESCRIPTION
+This program draws a box and a few line segments, and generates a 
+radial blur outward from it.  This creates flowing field effects.
+
+This is done by rendering the scene into a small texture, then
+repeatedly rendering increasingly-enlarged and increasingly-transparent
+versions of that texture onto the frame buffer.  As such, it's quite
+graphics intensive: don't bother trying to run this if you don't have
+hardware-accelerated texture support.  It will hurt your machine bad.
+.SH OPTIONS
+.TP 8
+.B \-visual \fIvisual\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 \-window
+Draw on a newly-created window.  This is the default.
+.TP 8
+.B \-root
+Draw on the root window.
+.TP 8
+.B \-delay \fInumber\fP
+Per-frame delay, in microseconds.  Default: 10000 (0.01 seconds.).
+.TP 8
+.B \-blursize \fInumber\fP
+How many copies of the scene should be laid down to make the vapor trail.
+Default: 15.  Larger numbers create smoother fields, but are slower.
+.TP 8
+.B \-wander | \-no-wander
+Whether the object should wander around the screen.
+.TP 8
+.B \-spin [XYZ]
+Around which axes should the object spin?
+.TP 8
+.B \-no-spin
+None.
+.TP 8
+.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 SEE ALSO
+.BR X (1),
+.BR xscreensaver (1)
+.SH COPYRIGHT
+Copyright \(co 2002 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.
+.SH AUTHOR
+Jamie Zawinski, with inspiration from a tutorial by Dario Corno.