From: Eli Zaretskii <eliz@gnu.org>
To: Po Lu <luangruo@yahoo.com>, Alan Third <alan@idiocy.org>
Cc: 63187@debbugs.gnu.org, aaronjensen@gmail.com
Subject: bug#63187: 30.0.50; Tail of longer lines painted after end of nearby lines on macOS
Date: Mon, 01 May 2023 16:25:05 +0300 [thread overview]
Message-ID: <83pm7knpzi.fsf@gnu.org> (raw)
In-Reply-To: <87pm7kchqw.fsf@yahoo.com> (message from Po Lu on Mon, 01 May 2023 21:18:31 +0800)
> From: Po Lu <luangruo@yahoo.com>
> Cc: aaronjensen@gmail.com, 63187@debbugs.gnu.org
> Date: Mon, 01 May 2023 21:18:31 +0800
>
> Eli Zaretskii <eliz@gnu.org> writes:
>
> >> Cc: 63187@debbugs.gnu.org
> >> Date: Mon, 01 May 2023 07:58:26 +0800
> >> From: Po Lu via "Bug reports for GNU Emacs,
> >> the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> >>
> >> Aaron Jensen <aaronjensen@gmail.com> writes:
> >>
> >> > Is there anything specific to macOS that is involved in scrolling optimization?
> >>
> >> Yes, Apple deleted the API used to perform bit blits, so Emacs uses a
> >> workaround that I don't really understand, and seems unreliable.
> >
> > You mean, ns_scroll_run in nsterm.m? Which parts of it do you not
> > understand?
>
> No, I meant the implementation of [EmacsView copyRect:] enabled under
> Mac OS; see line 8655 of nsterm.m. I don't understand how the system
> synchronizes its access to the window's backing store with Emacs's.
Alan, can you help?
If this is unworkable on macOS, we could simply disable this
optimization there. But note that scroll_run_hook is also called from
xdisp.c, in several places, so we may need to disable it there as
well.
next prev parent reply other threads:[~2023-05-01 13:25 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <m2fs8histt.fsf@gmail.com>
2023-04-30 10:33 ` bug#63187: 30.0.50; Tail of longer lines painted after end of nearby lines on macOS Eli Zaretskii
2023-04-30 10:46 ` Aaron Jensen
2023-04-30 13:25 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-04-30 14:25 ` Aaron Jensen
2023-04-30 14:42 ` Eli Zaretskii
2023-04-30 14:57 ` Aaron Jensen
2023-04-30 15:26 ` Eli Zaretskii
2023-04-30 16:48 ` Aaron Jensen
2023-04-30 19:04 ` Eli Zaretskii
2023-04-30 23:58 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-05-01 12:40 ` Eli Zaretskii
2023-05-01 13:18 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-05-01 13:25 ` Eli Zaretskii [this message]
2023-05-01 13:47 ` Aaron Jensen
2023-05-01 13:52 ` Eli Zaretskii
2023-05-01 13:55 ` Aaron Jensen
2023-05-01 14:06 ` Aaron Jensen
2023-05-09 3:07 ` Aaron Jensen
2023-05-09 5:39 ` Eli Zaretskii
2023-05-13 13:54 ` Eli Zaretskii
2023-05-13 14:23 ` Aaron Jensen
2023-05-18 11:21 ` Eli Zaretskii
2023-05-18 15:59 ` Aaron Jensen
2023-06-08 5:40 ` Kai Ma
2023-06-08 7:33 ` Kai Ma
2023-06-08 12:51 ` Alan Third
2023-06-08 13:42 ` Kai Ma
2023-06-08 14:57 ` Kai Ma
2023-06-08 17:22 ` Alan Third
2023-06-09 2:42 ` Kai Ma
2023-06-09 2:47 ` Aaron Jensen
2023-06-09 3:12 ` Kai Ma
2023-06-09 18:27 ` Alan Third
2023-06-09 18:46 ` Aaron Jensen
2023-06-09 20:00 ` Alan Third
2023-06-12 13:04 ` Aaron Jensen
2023-06-16 2:17 ` Aaron Jensen
2023-06-19 15:46 ` Aaron Jensen
2023-06-24 4:17 ` Kai Ma
2023-06-24 13:34 ` Aaron Jensen
2023-06-24 14:14 ` Alan Third
2023-06-24 14:52 ` Aaron Jensen
2023-06-24 15:08 ` Eli Zaretskii
2023-06-24 15:41 ` Alan Third
2023-06-24 16:05 ` Aaron Jensen
2023-06-24 21:29 ` Alan Third
2023-06-24 21:43 ` Aaron Jensen
2023-06-25 12:46 ` Alan Third
2023-06-25 17:07 ` Aaron Jensen
2023-06-25 18:17 ` Alan Third
2023-06-25 19:07 ` Aaron Jensen
2023-06-25 21:18 ` Alan Third
2023-06-25 22:33 ` Aaron Jensen
2023-06-26 7:27 ` Kai Ma
2023-06-28 19:53 ` Alan Third
2023-07-21 2:02 ` Aaron Jensen
2023-07-23 11:20 ` Alan Third
2023-07-23 13:01 ` Aaron Jensen
2023-07-25 14:47 ` Aaron Jensen
2023-07-25 15:45 ` Eli Zaretskii
2023-06-23 8:48 ` Alan Third
2023-06-23 11:54 ` Aaron Jensen
2023-05-01 17:26 ` Alan Third
2023-05-01 22:40 ` Aaron Jensen
2023-05-02 10:14 ` Alan Third
2023-05-02 12:21 ` Eli Zaretskii
2023-05-02 22:36 ` Alan Third
2023-05-03 8:11 ` Daniel Martín via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-05-03 13:08 ` Eli Zaretskii
2023-05-02 0:07 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-05-02 0:32 ` Aaron Jensen
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