GNU bug report logs - #52042
29.0.50; [feature/pgtk] issue in moving a fullscreen emacs frame from a scale@1x display to a scale@2x display

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From: Alan Third <alan <at> idiocy.org>
To: Yuuki Harano <masm+emacs <at> masm11.me>
Cc: moonsolo <at> gmail.com, 52042 <at> debbugs.gnu.org
Subject: bug#52042: 29.0.50; [feature/pgtk] issue in moving a fullscreen emacs frame from a scale <at> 1x display to a scale <at> 2x display
Date: Thu, 2 Dec 2021 22:09:53 +0000

On Thu, Dec 02, 2021 at 12:08:56AM +0900, Yuuki Harano wrote:
> Maybe, I need to recreate cairo_surface_t when monitor
> is changed.  I looked for such a signal but nothing found.

On the NS port whenever we create the context for drawing to the
bitmap we compare the dimensions/scaling. It's not ideal but it
doesn't seem to cause any noticeable slowdown. Perhaps PGTK can do
something similar?
-- 
Alan Third

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