xdbedizzy − demo of DBE creating a double buffered spinning scene


xdbedizzy [−display host:dpy] [−delta dlt] [−class visclass] [−depth visdepth] [−visid visualid] [−list] [−nodb] [−help] [−speed number] [−sync] [−spokes n] [−verbose]


xdbedizzy is a demo of DBE creating a double buffered spinning scene.


−display host:dpy

This option specifies the X server to contact.

−class visclass

Name of visual to choose. Valid values are TrueColor, DirectColor, PseudoColor, StaticColor, Grayscale, StaticGray

−depth depth

Depth of visual to use.

−visid visualid

Visual ID to use (ignore −class, −depth).


List double buffer capable visuals.


Single buffer (ignore −class, −depth, −visid).


Prints usage and exists.

−speed value

Defines the time to delay between frames as delay=2sec/speed. Default value is 20.


Use synchronous X connection.

−spokes value

Specify number of spokes to draw. The default value is 12.


Print verbose output.


DBE(3), XdbeSwapBuffers(3), XdbeGetVisualInfo(3), XdbeAllocateBackBufferName(3), X(7), Xserver(1)



DISPLAY must be set to get the default host and display to use.


Mark Kilgard

Allen Leinwand

Roland Mainz


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