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xshadertoy(6)		      XScreenSaver manual		 xshadertoy(6)

NAME
       xshadertoy - screen saver for Shadertoy GLSL programs.

SYNOPSIS
       xshadertoy [--display host:display.screen] [--visual visual] [--window]
       [--root]	 [--delay  number]  [--speed number] [--scale number] [--auto-
       mouse] [--automouse-speed number] [--program-common  file]  [--program0
       file] [--program1 file] [--program2 file] [--program3 file] [--program4
       file] [--fps]

DESCRIPTION
       Runs arbitrary GLSL programs that use the shadertoy.com API.

OPTIONS
       --visual	visual
	       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.

       --window
	       Draw on a newly-created window.	This is	the default.

       --root  Draw on the root	window.

       --delay number
	       Per-frame  delay,  in  microseconds.  Default: 20000 (0.02 sec-
	       onds).

       --speed number
	       Animation speed.	 2.0 means twice as fast, 0.5  means  half  as
	       fast.

       --scale number
	       Frame  buffer  resolution.   0.5	means halve the	resolution for
	       better performance but lower quality output.  Default 1.0, full
	       quality.

       --program0 file

       --program1 file

       --program2 file

       --program3 file

       --program4 file
	       GLSL code, each as an input to the previous.

       --program-common	file
	       GLSL code to prepend to each program.

       --automouse | --no-automouse
	       Whether to pretend to drag the mouse around sinusoidally.   De-
	       fault false.

       --automouse-speed ratio
	       How fast. Default 1.0.

       --fps | --no-fps
	       Whether	to  show  a frames-per-second display at the bottom of
	       the screen.

ENVIRONMENT
       DISPLAY to get the default host and display number.

       XENVIRONMENT
	       to get the name of a resource file that	overrides  the	global
	       resources stored	in the RESOURCE_MANAGER	property.

       XSCREENSAVER_WINDOW
	       The window ID to	use with --root.

SEE ALSO
       X(1), xscreensaver(1), https://www.shadertoy.com/

COPYRIGHT
       Copyright (C) 2025 by Jamie Zawinski.  Permission to use, copy, modify,
       distribute,  and	 sell this software and	its documentation for any pur-
       pose 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	repre-
       sentations are made about the suitability of this software for any pur-
       pose.  It is provided "as is" without express or	implied	warranty.

AUTHOR
       Jamie Zawinski.

X Version 11		      6.15 (30-Mar-2026)		 xshadertoy(6)

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