Posted in: ArchLinux, Developing for VR

Install and run SteamVR on ArchLinux (for using an HTC-Vive) and do OpenGL/OpenVR developement

So, I recently had the chance to try out an HTC-Vive on a Linux machine. Naturally, I installed Arch on it ๐Ÿ˜‰

The installation is pretty straight forward, but there are some little catches if you want to do OpenGL development on Linux With OpenVR (OpenVR is the API you use to talk to the SteamVR runtime.)

SteamVR has a Linux beta since February 2017. They also announced that the SteamVR runtime itself is implemented with Vulkan only.

First thing first, I am unaware if it’s currently possible to update the firmware of the base station on Linux, The setup I’m using is also running on Windows and the firmwares where already updated on that platform. That’s one thing I can’t tell you about.

So, to get started, you will need to have Steam running on your machine. ArchLinux is now a 64bit only distribution, Steam is a 32 bit only program. So, if it’s not already the case, you need to activate the [multilib] repository for pacman. (just uncoment the lines for it in /etc/pacman.conf)

First thing first, to do VR, you do need a good GPU. Here I’m running an Nvidia GTX 1070 with the proprietary drivers. You can use an AMD one with the latest version of the mesa drivers apparently. I don’t have access to any modern AMD graphics card so I can’t tell.

Then, you will need to install the following packages:

  • steam
  • lsb-release
  • your graphic’s driver packages in 32 bit (lib32-nvidia-utils, lib32-libvdpau)

Once you have installed Steam, launch it, connect or create an account, and install the SteamVR package, then you want to turn on the beta:

Once you have steam VR on your machine, and before you plug the Vive on the computer, you will need to install some udev rules to permit the app to access the device directly.

Create a file /lib/udev/rules.d/60-HTC-Vive-perms.rules and write the following content in it:

# HTC Vive HID Sensor naming and permissioning
KERNEL=="hidraw*", SUBSYSTEM=="hidraw", ATTRS{idVendor}=="0bb4", ATTRS{idProduct}=="2c87", TAG+="uaccess"
KERNEL=="hidraw*", SUBSYSTEM=="hidraw", ATTRS{idVendor}=="28de", ATTRS{idProduct}=="2101", TAG+="uaccess"
KERNEL=="hidraw*", SUBSYSTEM=="hidraw", ATTRS{idVendor}=="28de", ATTRS{idProduct}=="2000", TAG+="uaccess"
KERNEL=="hidraw*", SUBSYSTEM=="hidraw", ATTRS{idVendor}=="28de", ATTRS{idProduct}=="1043", TAG+="uaccess"
KERNEL=="hidraw*", SUBSYSTEM=="hidraw", ATTRS{idVendor}=="28de", ATTRS{idProduct}=="2050", TAG+="uaccess"
KERNEL=="hidraw*", SUBSYSTEM=="hidraw", ATTRS{idVendor}=="28de", ATTRS{idProduct}=="2011", TAG+="uaccess"
KERNEL=="hidraw*", SUBSYSTEM=="hidraw", ATTRS{idVendor}=="28de", ATTRS{idProduct}=="2012", TAG+="uaccess"
SUBSYSTEM=="usb", ATTRS{idVendor}=="0bb4", ATTRS{idProduct}=="2c87", TAG+="uaccess"
# HTC Camera USB Node
SUBSYSTEM=="usb", ATTRS{idVendor}=="114d", ATTRS{idProduct}=="8328", TAG+="uaccess"
# HTC Mass Storage Node
SUBSYSTEM=="usb", ATTRS{idVendor}=="114d", ATTRS{idProduct}=="8200", TAG+="uaccess"
SUBSYSTEM=="usb", ATTRS{idVendor}=="114d", ATTRS{idProduct}=="8a12", TAG+="uaccess"

You can now open SteamVR, and you should be prompted to run the room setup program to configure your “play space”

Then, if you want to use OpenVR to render to the Vive with OpenGL, you will need a Vulkan runtime and development package. For this, you need to install theย vulkan-develย  package.

You may also need to launch your programs under under the steam runtime, this is done using this script :

~/.steam/steam/ubuntu12_32/steam-runtime/ ./my_steamvr_app

And that should be about it. Programs that link against the OpenVR API will “just work” now.
The info in this article comes from my own experience, and this document from Valve :

Annwvyn, my game engine is now “officially” compatible with Linux with OpenVR. ๐Ÿ˜‰

I would be really happy if it was possible to use the Oculus Rift on Linux, yet, there aren’t any good solution right now. Oculus froze Linux development effort years ago, so we aren’t going to see an official SDK any time soon. The OpenHMD project has made “some” progress” but nothing really usable for now.

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