From mboxrd@z Thu Jan  1 00:00:00 1970
To: 9fans@cse.psu.edu
From: "Douglas A. Gwyn" <DAGwyn@null.net>
Message-ID: <3CF7E83E.EBC8FA07@null.net>
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References: <fada24b728e46fe3d582fd9b4b90d590@plan9.bell-labs.com>
Subject: Re: [9fans] Double buffering graphics
Date: Wed,  5 Jun 2002 09:55:24 +0000
Topicbox-Message-UUID: a5a36ad8-eaca-11e9-9e20-41e7f4b1d025

rsc@plan9.bell-labs.com wrote:
> One cheap way to do double buffering
> is to just allocate two images and then
> draw them onto the screen alternating
> between them.

Be sure to switch during the vertical retrace interval,
to avoid yucky visual artifacts.