FAudio : XAudio reimplementation including XAudio2, X3DAudio, XAPO, and XACT3. ( https://github.com/FNA-XNA/FAudio )
ZMusic : GZDoom's music system as a standalone library ( https://forum.zdoom.org/index.php )
g3k : A 3DUI widget toolkit. ( https://gitlab.freedesktop.org/xrdesktop/g3k )
gulkan : A GLib library for Vulkan abstraction. ( https://gitlab.freedesktop.org/xrdesktop/gulkan )
gxr : A glib wrapper for the OpenVR and the OpenXR APIs. ( https://gitlab.freedesktop.org/xrdesktop/gxr )
libsurvive : Open Source Lighthouse Tracking System ( https://github.com/cntools/libsurvive )
openvr : OpenVR SDK ( https://steamvr.com )
openxr : Sources for OpenXR loader, basic API layers, and example code. ( https://github.com/KhronosGroup/OpenXR-SDK-Source )
smjpeg : SDL Motion JPEG Library ( http://www.lokigames.com/development/smjpeg.php3 )
xrdesktop : A library for XR interaction with traditional desktop compositors. ( https://gitlab.freedesktop.org/xrdesktop/xrdesktop )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a farmboy0
For Paludis use this rsync : rsync://gentoo.zugaina.org/farmboy0-portage
If you have a problem : ycarus(-at-)zugaina.org