https://bugs.kde.org/show_bug.cgi?id=505440

Vlad Zahorodnii <vlad.zahorod...@kde.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Latest Commit|                            |https://invent.kde.org/plas
                   |                            |ma/kwin/-/commit/57d2671bb5
                   |                            |427dab959ca57b27fb8f78000eb
                   |                            |7e6
             Status|REPORTED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #1 from Vlad Zahorodnii <vlad.zahorod...@kde.org> ---
Git commit 57d2671bb5427dab959ca57b27fb8f78000eb7e6 by Vlad Zahorodnii.
Committed on 11/06/2025 at 07:09.
Pushed by vladz into branch 'master'.

plugins/blur: Make background flash less strong

With the current modulation curve, the background can be more opaque
than the window. Since the contrast effect raises the brightness a bit,
it can result in a flash if the window has dark contents.

This patch changes the modulation curve to `alpha ** 2`, so the
background contents is less strong. There is still a bit of flashing
but it's barely noticeable now. The only downside of this change is
that windows can lose their "background" faster when they are animated,
but in my testing, it is not a really noticeable issue.

M  +1    -3    src/plugins/blur/blur.cpp

https://invent.kde.org/plasma/kwin/-/commit/57d2671bb5427dab959ca57b27fb8f78000eb7e6

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