[LINUX] [SUNSHINE] / [GAMESCOPE] Tearing when streaming a game run through GAMESCOPE

[DistantThunder]

[GAMESCOPE] Tearing when streaming a game run through GAMESCOPE

System info

• Operating System: Arch Linux
• KDE Plasma Version: 6.1.4
• KDE Frameworks Version: 6.5.0
• Qt Version: 6.7.2
• Kernel Version: 6.10.3-zen1-2-zen (64-bit)
• Graphics Platform: Wayland
• Processors: 16 × AMD Ryzen 7 5800X 8-Core Processor
• Memory: 62.7 Gio of RAM
• Graphics Processor: AMD Radeon RX 7900 XTX
• mesa-git: 24.3.0_devel.193803.c5156257d93-1

Sunshine info

sunshine --version
[qp] -- [18]
[audio_sink] -- [easyeffects_sink]
[encoder] -- [vaapi]
[adapter_name] -- [/dev/dri/renderD128]
[address_family] -- [both]
[min_threads] -- [4]
[min_log_level] -- [info]
[2024:08:25:12:56:38]: Info: Sunshine version: 0.0.0

Hello,

Currently on Linux, the only way to run a Windows DX12 game with HDR appears to be through using Gamescope.
The problem is that doing that, the stream exhibits tearing artifacts that are not present without Gamescope.

ffxvi_tearing_gamescope_sunshine_moonlight.webm

Has anyone encountered that problem before, found any solution?