GNU bug report logs - #1867
Resizing window causes text flickering when using antialiased font on X

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Package: emacs;

Reported by: Bo Lin <lbsmtp <at> gmail.com>

Date: Mon, 12 Jan 2009 10:20:03 UTC

Severity: normal

Done: Glenn Morris <rgm <at> gnu.org>

Bug is archived. No further changes may be made.

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From: Chong Yidong <cyd <at> stupidchicken.com>
To: "Jan D." <jan.h.d <at> swipnet.se>
Cc: lbsmtp <at> gmail.com, Eli Zaretskii <eliz <at> gnu.org>, 1867 <at> debbugs.gnu.org
Subject: bug#1867: Resizing window causes text flickering when using antialiased font on X
Date: Thu, 06 Oct 2011 11:06:18 -0400

"Jan D." <jan.h.d <at> swipnet.se> writes:

>> The right way to fix flickering in Emacs is to implement double
>> buffering, which is not a trivial project.
>
> If we are aiming for a general solution across all ports this is true.
> A pure X solution might be easier if we use the double buffer
> extension.

I took a brief look into this some time ago.  The DBE module is pretty
under-documented, and I wasn't able to find any code that uses it.  GTK,
for instance, does its own double-buffering rather than using DBE.
This bug report was last modified 13 years and 233 days ago.

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