https://bugs.kde.org/show_bug.cgi?id=454348
Bug ID: 454348
Summary: Stretched distorted image when monitor is rotated and
compositing is enabled
Product: kwin
Version: 5.24.90
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: nyanpas...@tuta.io
Target Milestone: ---
SUMMARY
After upgrading to kwin 5.24.90, when I log in and my secondary monitor is
rotated to portrait, the entire screen is stretched taller vertically and
compressed horizontally, and blurred.
STEPS TO REPRODUCE
1. Plug in two monitors (in my case a 2560x1440 and 1920x1080).
2. In System Settings -> Display Configuration, place the 1920x1080 monitor to
the right, secondary, rotated vertically (base on the left)
3. (optional) Log out and back in.
OBSERVED RESULT
Entire screen is stretched vertically and compressed horizontally. Mouse cursor
appears in real location, but menus appear in the wrong spot, and what you
click is not what your cursor appears over. Disabling compositing with
alt-shift-f12 causes screen contents to appear in the right spot.
Oddly while experimenting with disabling and enabling monitors, I got KDE into
a state where the image is not stretched with the right monitor vertical, but
stretched horizontally with it set to horizontal.
EXPECTED RESULT
Screen contents appear at the right spot.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.24.90
KDE Frameworks Version: 5.94.0
Qt Version: 5.15.4
Kernel Version: 5.17.9-zen1-1-zen (64-bit)
Graphics Platform: X11
Processors: 12 × AMD Ryzen 5 5600X 6-Core Processor
Memory: 15.6 GiB of RAM
Graphics Processor: NVIDIA GeForce GT 730/PCIe/SSE2
Manufacturer: Gigabyte Technology Co., Ltd.
Product Name: B550M DS3H
ADDITIONAL INFORMATION
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