Re: Flicker on MS Windows

[Eli Zaretskii]

> From: Óscar Fuentes <ofv@wanadoo.es>
> Date: Sun, 06 Mar 2022 17:59:08 +0100
> 
> Po Lu <luangruo@yahoo.com> writes:
> 
> > Has anyone noticed that Emacs seems to flicker a lot on newer versions
> > of MS-Windows, such as Windows Vista and Windows 10?  I never used Emacs
> > much on Windows, but the flicker isn't noticable on Windows XP and 9X,
> > while scrolling from the top to the bottom of w32term.c in those newer
> > versions leaves chunks of text noticably missing, presumably between
> > w32_scroll_run and the rest of the window being displayed.  The menu bar
> > also constantly flickers, but I see that on Windows XP as well.
> 
> Emacs 27 & 28 are annoyingly flickering here as well (Windows 7 and up,
> dunno about XP) compared to the same configuration under Lucid.

Does the Lucid build have double-buffering enabled?