https://bugs.kde.org/show_bug.cgi?id=453604
Bug ID: 453604
Summary: Blur glitches on draw call of invisible window (X11 +
Wayland).
Product: kwin
Version: 5.24.5
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: effects-various
Assignee: kwin-bugs-n...@kde.org
Reporter: nullzert.n...@gmail.com
Target Milestone: ---
Created attachment 148693
--> https://bugs.kde.org/attachment.cgi?id=148693&action=edit
bug record
*Bug recording attached*
STEPS TO REPRODUCE
1. Have blur enabled.
2. Open following windows:
* 1) Window with frequent draw calls (works with gears from extra/mesa-demos on
Arch Linux and mvp) (it also need to be not too big)
* 2) Some fully maximized window (Dolphin works)
* 3) Window with background transparency (works with themed Konsole)
3. Stack (only) those windows in that order, so (1) will be covered with (3)
OBSERVED RESULT
Blur "blinks" in places where on (1) called draw
EXPECTED RESULT
Normal blur
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-arch1-1 (64-bit)
Graphics Platform: X11
Processors: 12 × AMD Ryzen 5 4600H with Radeon Graphics
Memory: 7,2 GiB of RAM
Graphics Processor: AMD RENOIR
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