Bug 460905 - Blur effects briefly becomes transparent when apps go to/from maximized state.
Summary: Blur effects briefly becomes transparent when apps go to/from maximized state.
Status: REPORTED
Alias: None
Product: kwin
Classification: Plasma
Component: effects-various (show other bugs)
Version: 5.26.1
Platform: Arch Linux Linux
: NOR normal
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2022-10-23 20:06 UTC by Andrej Halveland
Modified: 2024-03-10 17:59 UTC (History)
2 users (show)

See Also:
Latest Commit:
Version Fixed In:
Sentry Crash Report:

Attachments
Video (wayland) (2.36 MB, video/mp4)
2022-10-23 20:06 UTC, Andrej Halveland 		Details
Video (X11) (3.56 MB, video/mp4)
2022-10-23 20:16 UTC, Andrej Halveland 		Details
View All Add an attachment

Note You need to log in before you can comment on or make changes to this bug.
Description Andrej Halveland 2022-10-23 20:06:15 UTC 
Created attachment 153151 [details]
Video (wayland)

When having blur enabled in Konsole or in for example Dolphin (when using the "Lightly" Application Style) the blur briefly becomes transparent when the animation for maximizing begins and ends. When disabling the Maximize/Restore desktop effect it still happens, but it's much, much less noticeable (it's like only a frame or so).

(Also, sorry if I chose the wrong "Component")

STEPS TO REPRODUCE
1.  In Konsole enable the transparency and blur effect.
2.  Maximize/Restore Konsole.

OBSERVED RESULT
Blur becomes transparent on the start and end of the maximize/restore animation.

EXPECTED RESULT
Blur should not get transparent while Maximizing/Restoring.

SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.26.1
KDE Frameworks Version: 5.99.0
Qt Version: 5.15.6
Kernel Version: 6.0.2-zen1-1-zen
Graphics Platform: Wayland
Processors: AMD Ryzen 9 4900HS 8-Core Processor
Memory:  16GB of RAM
Graphics Processor: Integrated: Vega 8     Dedicated: NVIDIA GeForce RTX 2060 Max-Q
Manufacturer: ASUS (Zephyrus G15 GA502IV)

ADDITIONAL INFORMATION
I have also tried this in X11 but it's even worse... The blur does not resize when maximizing Konsole, and so there is a box in the top left that is blurred, and the rest in transparent.
Comment 1 Andrej Halveland 2022-10-23 20:16:48 UTC 
Created attachment 153152 [details]
Video (X11)

Also, I am not sure how old this bug is, as I noticed this bug when I started using the transparency/blur effect in Konsole just recently.