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Merge branch 'oc-forced-trackers' into 'main'

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fossvr/opencomposite: Add non-tracker-device-as-tracker section

See merge request lvra/lvra.gitlab.io!88
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galister 2025-04-21 17:29:52 +00:00
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content/docs/fossvr/opencomposite/_index.md
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@ -17,7 +17,21 @@ OpenComposite is required for Steam Play games to work in VR regardless of API.
Contributions to improve the OpenVR to OpenXR mapping are welcome. Contributions to improve the OpenVR to OpenXR mapping are welcome.
## Rebinding Controls ## Forcing additional devices as trackers
OpenComposite has the environment variable `OPENCOMPOSITE_TRACKER_SERIALS` to allow using non-tracker devices as trackers in SteamVR games. The expected format is as follows: `serial1;serial2` where each 'serial' is a device serial like `LHR-00000000` or `WiVRn HMD`. You can set this on games by setting this launch option in Steam: `env OPENCOMPOSITE_TRACKER_SERIALS="LHR-00000001;LHR-00000002" %command%`.
To obtain info for lighthouse devices, you may look at the top of the Monado stdout when using steamvr_lh. For other types of devices there are multiple ways of obtaining device serials:
- OpenComposite log file
The OpenComposite log file at `~/.local/state/OpenComposite/logs/opencomposite.log` will log all seen devices when checking for trackers, so you can search for `Checking for generic trackers...` in the log file and look below for `Found usable xdev`.
- motoc
motoc has the `show` subcommand for viewing all device names, serials, and positions relative to the space origin.
## Rebinding controls
> Changing OpenVR bindings is currently a very manual process. This will change in the future. > Changing OpenVR bindings is currently a very manual process. This will change in the future.