GNU bug report logs - #40278
Flickering in Windows 10 (not double buffered)

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Package: emacs;

Reported by: Nicolas Bertolo <nicolasbertolo <at> gmail.com>

Date: Sun, 29 Mar 2020 17:11:03 UTC

Severity: wishlist

Found in version 27.0.90

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Noam Postavsky <npostavs <at> gmail.com>
Cc: 40278 <at> debbugs.gnu.org, nicolasbertolo <at> gmail.com
Subject: bug#40278: 27.0.90; Flickering in Windows 10
Date: Mon, 30 Mar 2020 19:40:00 +0300

> From: Noam Postavsky <npostavs <at> gmail.com>
> Cc: Nicolas Bértolo <nicolasbertolo <at> gmail.com>,
>   40278 <at> debbugs.gnu.org
> Date: Mon, 30 Mar 2020 12:23:42 -0400
> 
> I can see it here, especially on scroll towards the beginning of the
> file (Emacs is maxing out the CPU while doing this).

If redisplay cannot keep up, you could indeed see partially-redrawn
window.  But I didn't understand this was the problem, and it doesn't
sound like "flicker" to me.

> It kind of looks like the rectangle beneath the child frame gets
> repainted separately from the rest.

What do you mean by "beneath" in this context?
This bug report was last modified 3 years and 37 days ago.

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