Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!uwm.edu!gem.mps.ohio-state.edu!apple!agate!shelby!med!hanauma!rick
From: rick@hanauma.stanford.edu (Richard Ottolini)
Newsgroups: comp.windows.x
Subject: Re: X double buffering
Keywords: double buffering
Message-ID: <170@med.Stanford.EDU>
Date: 16 Oct 89 17:06:52 GMT
References: <181@wbcs.UUCP>
Sender: news@med.stanford.edu (USENET News System)
Reply-To: rick@hanauma.UUCP (Richard Ottolini)
Distribution: usa
Organization: Stanford University, Dept. of Geophysics
Lines: 9

In article <181@wbcs.UUCP> doug@wbcs.UUCP (Doug Kratky) writes:
>Could someone give me hints, code fragments, or examples
>on "double-buffering" with X?

Draw into an offscreen pixmap, then copy it onto screen.
This works well on a fast X-server such as a DEC 3100 and not so well
on a slow server such as any Sun.
(Not all drawing operations that work on screens work on pixmaps such
as erase.)