Debian Version: 2.9.0+dfsg1-1 [latest upstream]

Commandline:

# Without GL:
(mini) [~] xfreerdp /u:Administrator /p:'Pa$$w0rd' -grab-keyboard /cert-ignore /f /bpp:32 /v:172.31.0.117
[16:03:41:937] [3819:3820] [INFO][com.freerdp.gdi] - Local framebuffer format  PIXEL_FORMAT_BGRX32
[16:03:41:937] [3819:3820] [INFO][com.freerdp.gdi] - Remote framebuffer format PIXEL_FORMAT_RGB16
[16:03:41:992] [3819:3820] [INFO][com.freerdp.channels.rdpsnd.client] - [static] Loaded fake backend for rdpsnd

- Very slow and screen artefacts

# With GL
(mini) [~] xfreerdp /u:Administrator /p:'Pa$$w0rd' -grab-keyboard /cert-ignore /f /bpp:32 /v:zh17w2k22.glanzmann.de -gfx /rfx
[16:04:32:876] [3855:3856] [INFO][com.freerdp.gdi] - Local framebuffer format  PIXEL_FORMAT_BGRX32
[16:04:32:876] [3855:3856] [INFO][com.freerdp.gdi] - Remote framebuffer format PIXEL_FORMAT_BGRA32
[16:04:32:929] [3855:3856] [INFO][com.freerdp.channels.rdpsnd.client] - [static] Loaded fake backend for rdpsnd
[16:04:32:929] [3855:3856] [INFO][com.freerdp.channels.drdynvc.client] - Loading Dynamic Virtual Channel rdpgfx

Example of corruption:
https://tg.st/u/screenshot-mini-2023-01-19-16_14_58.png

- Very fast but screen artefacts

# On AMD64
With and without gl very fast and no screen artefacts.

If someone needs a rdp test server, just write me an email and I create an
account on a system which is reachable over the internet: thomas@glanzmann.de

Demo Video:

https://tg.st/u/VID_20230119_122736163.mp4