From: Eli Zaretskii <eliz@gnu.org>
To: Cecilio Pardo <cpardo@imayhem.com>
Cc: emacs-devel@gnu.org
Subject: Re: Drawing UI elements behind text
Date: Wed, 27 Nov 2024 22:12:49 +0200 [thread overview]
Message-ID: <861pywfnb2.fsf@gnu.org> (raw)
In-Reply-To: <943ad61e-9823-4dff-b8c0-d9d1b74ef676@imayhem.com> (message from Cecilio Pardo on Wed, 27 Nov 2024 21:01:42 +0100)
> Date: Wed, 27 Nov 2024 21:01:42 +0100
> From: Cecilio Pardo <cpardo@imayhem.com>
>
> On 27/11/2024 19:58, Eli Zaretskii wrote:
>
> >> They are drawn after switching the back paint buffer, so that the
> >> redisplay result is left alone.
> >
> > So you clear them up when redisplay starts and then redraw them in
> > their entirety when it ends, something like that? Doesn't that slow
> > down redisplay, especially if there are many pixels and a large
> > window?
>
> Yes. We do a full frame copy on each double buffered redisplay, I expect
> we can add this with reasonable impact.
>
> The very naive implementation I have now adds something like 5ms to each
> redisplay on a 1900px frame, and I hope to bring it down a lot from there.
What takes 5ms, exactly? what kind of redisplay did you trigger, and
how did you trigger it?
next prev parent reply other threads:[~2024-11-27 20:12 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-10 16:39 Drawing UI elements behind text Cecilio Pardo
2024-11-10 18:09 ` Jim Porter
2024-11-10 18:44 ` Eli Zaretskii
2024-11-10 19:06 ` Jim Porter
2024-11-10 19:22 ` Eli Zaretskii
2024-11-10 19:29 ` Jim Porter
2024-11-10 19:42 ` Eli Zaretskii
2024-11-24 23:37 ` JD Smith
2024-11-26 23:19 ` Cecilio Pardo
2024-11-27 14:36 ` Eli Zaretskii
2024-11-27 18:28 ` Cecilio Pardo
2024-11-27 18:58 ` Eli Zaretskii
2024-11-27 20:01 ` Cecilio Pardo
2024-11-27 20:12 ` Eli Zaretskii [this message]
2024-11-27 20:30 ` Cecilio Pardo
2024-11-28 6:53 ` Eli Zaretskii
2024-11-28 8:43 ` Cecilio Pardo
2024-11-28 9:57 ` Eli Zaretskii
2024-11-28 10:41 ` Cecilio Pardo
2024-11-28 11:56 ` Eli Zaretskii
2024-11-28 12:09 ` Cecilio Pardo
2024-11-27 21:15 ` JD Smith
2024-11-27 21:47 ` Cecilio Pardo
-- strict thread matches above, loose matches on Subject: below --
2024-11-27 2:31 JD Smith
2024-11-27 18:33 ` Cecilio Pardo
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