Bug 453601

Summary: window header blur visual glitch when zooming
Product: [Plasma] kwin Reporter: Almaz <almazgaliev99>
Component: decorationsAssignee: KWin default assignee <kwin-bugs-null>
Status: REPORTED ---    
Severity: normal Flags: almazgaliev99: Wayland+
almazgaliev99: X11+
almazgaliev99: Intel+
almazgaliev99: Mesa+
Priority: NOR    
Version First Reported In: 5.24.5   
Target Milestone: ---   
Platform: Other   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: bug demo

Description Almaz 2022-05-09 20:59:25 UTC 
Created attachment 148691 [details]
bug demo

SUMMARY
***
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***


STEPS TO REPRODUCE
1. turn on blur in system settings > workspace behavior > desktop effects
2. enable some theme with transparent window header
3. zoom on window header
4. drag window in zoom mode 

OBSERVED RESULT
blur rectangle shrinks and random pixels fill window header

EXPECTED RESULT
blur effect scales with everything proportionaly

SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.24.5
KDE Frameworks Version: 5.93.0
Qt Version: 5.15.3
Kernel Version: 5.17.5-zen1-1-zen (64-bit)
Graphics Platform: X11/wayland