GNU bug report logs - #77039
31.0.50; Flickering on macOS

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Aaron Jensen <aaronjensen <at> gmail.com>
Cc: gerd.moellmann <at> gmail.com, alan <at> idiocy.org, 77039 <at> debbugs.gnu.org
Subject: bug#77039: 31.0.50; Flickering on macOS
Date: Sat, 22 Mar 2025 18:41:50 +0200

> From: Aaron Jensen <aaronjensen <at> gmail.com>
> Date: Sat, 22 Mar 2025 09:17:08 -0700
> Cc: gerd.moellmann <at> gmail.com, alan <at> idiocy.org, 77039 <at> debbugs.gnu.org
> 
> In my config, I definitely see matrix comparisons when hidden buffers are updated. It's row_equal_p and
> update_text_area that are called in rapid succession even when the shell buffer is not visible.  I tried
> disabling both my tab bar and my header line (I don't use a mode line) and I still saw it updating. 
> 
> Here's an example log output, this repeats as quickly as yes emits "y"
> 
> dispnew.c:4775
> dispnew.c:1295
> dispnew.c:1295
> dispnew.c:1295
> dispnew.c:1295
> dispnew.c:1295
> dispnew.c:1295
> dispnew.c:1295
> dispnew.c:4775

Is the mode_line_p flag of the glyph row set when these comparisons
are made?

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