https://bugs.kde.org/show_bug.cgi?id=448944
Bug ID: 448944
Summary: xdg-desktop-portal only shows a black screen when
trying to screenshare a whole screen in Wayland with
Pipewire (NVIDIA GBM)
Product: xdg-desktop-portal-kde
Version: 5.23.5
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: diegober...@gmail.com
CC: aleix...@kde.org, jgrul...@redhat.com, n...@kde.org
Target Milestone: ---
Created attachment 145744
--> https://bugs.kde.org/attachment.cgi?id=145744&action=edit
Screensharing a whole screen only shows a black screen
SUMMARY
***
Trying to screenshare/screenrecord a whole screen on Wayland only shows a black
screen with the cursor inside it. When selecting a single application the
window shows fine in the stream, but the cursor isn't shown.
xdg-desktop-portal-kde seems to be running according to System monitor.
***
STEPS TO REPRODUCE
1. Open any screenshare/screenrecord application like Firefox, OBS Studio or
even the xdg-desktop-portal-kde testing utility
(https://invent.kde.org/libraries/xdg-portal-test-kde).
2. Choose to screenshare/screenrecord a whole screen or single window.
3. Select a screen or single window in the xdg-desktop-portal-kde dialog.
OBSERVED RESULT
Black screen with only a cursor when screensharing a whole screen, and the
window content when screensharing a single window but whith no cursor. Below
are attached some screenshots
EXPECTED RESULT
When selecting a whole screen the whole screen should be seen in the stream (or
in the screencapture app like OBS Studio) with the cursor and when selecting a
single window that window should be seen in the stream o app with the cursor.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.23.5
KDE Frameworks Version: 5.90.0
Qt Version: 5.15.2
Kernel Version: 5.16.1-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 12 × Intel® Core™ i7-8750H CPU @ 2.20GHz
Memory: 15.5 GiB of RAM
Graphics Processor: NVIDIA GeForce RTX 2060/PCIe/SSE2
NVIDIA Driver Version: 495.46
ADDITIONAL INFORMATION
On GNOME scrensharing on Wayland with xdg-desktop-portal-gnome works fine when
sharing a whole screen or a single window, with cursor being captured in both
cases.
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