Black screen when streaming with Steam Remote Play

Is there an existing issue for this?

[X] I have searched the existing issues

Are you using any gamescope patches or a forked version of gamescope?

[X] The issue occurs on upstream gamescope without any modifications

Current Behavior

Streaming a game running under gamescope through the AppleTV Steam Link app results in a black video feed with normal sound and responsive to controller input.

Steps To Reproduce

Configure launch options in host’s Steam to run through gamescope. Launch any game from Steam Remote Play from the Steam Link app.

Hardware information

- Distro: openSUSE Tumbleweed
- CPU: 8-core Ryzen 7 5800X3D
- GPU: [AMD/ATI] Navi 32 [Radeon RX 7700 XT / 7800 XT]
- Driver Version: Mesa 24.1.7

Software information

- Desktop environment: Plasma 6.2.2
- Session type: Wayland
- Gamescope version: 3.15.9-1.1
- Gamescope launch command(s): gamescope -W 2560 -H 1440 -r 144 --force-grab-cursor --hdr-enabled -- %command%

Which gamescope backends have the issue you are reporting?

[X] Wayland (default for nested gamescope)
[ ] DRM (default for embedded gamescope, i.e. gamescope-session)
[ ] SDL
[ ] OpenVR

Logging, screenshots, or anything else

Capture in 1920x1080 at 59.76 Encoder: Desktop Black Frame + libx264 (4 threads) Decoder: tvOS Metal hardware decoding Stream latency: <1 ms input, 13.87 display Ping: <1 ms (direct) Incoming bitrate: 7226 kbit/s video: 75 kbit/s Outgoing bitrate: 121 kbit/s Packet loss: 0.00 % Press F8 or BACK + X to save a snapshot in the remote computer

ValveSoftware / gamescope