<?xml version="1.0" encoding="ISO-8859-1"?>
-<screensaver name="stairs" _label="Stairs">
+<screensaver name="stairs" _label="Stairs" gl="yes">
<command arg="-root"/>
+ <video href="https://www.youtube.com/watch?v=Y1ceRT30qr0"/>
+
<number id="delay" type="slider" arg="-delay %"
- _label="Speed" _low-label="Slow" _high-label="Fast"
- low="0" high="20000" default="20000"
+ _label="Frame rate" _low-label="Low" _high-label="High"
+ low="0" high="100000" default="20000"
convert="invert"/>
- <select id="render">
- <option id="wire" _label="Wireframe" arg-set="-wireframe"/>
- <option id="solid" _label="Solid"/>
- </select>
+ <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
- <boolean id="showfps" _label="Show Frames-per-Second" arg-set="-fps"/>
+ <xscreensaver-updater />
<_description>
-by Marcelo Vianna's third Escher GL hack, this one draws an
-``infinite'' staircase.
+Escher's infinite staircase.
+
+https://en.wikipedia.org/wiki/Maurits_Cornelis_Escher
+
+Written by Marcelo Vianna and Jamie Zawinski; 1998.
</_description>
</screensaver>