OpenXR Toolkit improves Quest Pro’s PC graphics via eye tracking

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OpenXR Toolkit improves Quest Pro's PC graphics via eye tracking

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The OpenXR Toolkit now supports eye-tracking for PC VR games with the Quest Pro. Foveated rendering allows for more details.

PC VR games can now benefit from the eye tracking of the Meta Quest Pro (review). The Open XR Toolkit now supports this feature in PC apps when the headset connects wirelessly to the computer via Air Link (guide).

This enables “Dynamic Foveated Rendering” in supported VR games. This approach renders the scenery in full detail only where a player looks while other areas remain less detailed. This saves computing power for the focused image sections or a higher frame rate. The Playstation VR 2 (review) also uses this technology for graphically complex games.

Foveated rendering for the Quest Pro on the PC

Supported PC VR games include the graphically complex shooter Hubris, role-playing game The Light Brigade, and racing simulation iRacing. All could benefit from more detail in the focal area.

Some titles still struggle with the technology. In Microsoft’s Flight Simulator, Dynamic Foveated Rendering results in a blurry main menu; in War Thunder, “Easy Anti-Cheat” prevents it from being used. However, the Flat2VR mod community already presents successful experiments with the upcoming Unreal Engine VR mod by Praydog on their Twitter page.

To use this feature on the Quest Pro, it is important to use the official Oculus runtime. If you choose SteamVR as the OpenXR runtime instead (for Virtual Desktop, for example), you will not be able to use the Quest Pro’s eye tracking in PC applications.

Another important prerequisite for the feature in the Oculus software is that the “Eye tracking via Oculus Link” checkbox is enabled in the beta section. The “Developer Runtime Features” option must also be active.

Some titles that use the older OpenVR will also be compatible via “OpenComposite”, including American Truck Simulator 2, Elite Dangerous, F1 22, Pavlov VR, and Subnautica.

Some other VR headsets have supported eye-tracking in the OpenXR Toolkit for some time, such as Varjo headsets and the HP Reverb G2 Omnicept Edition (review). Many of them, even work with SteamVR as their runtime environment already.

Tea OpenXR Toolkit is technically a layer of an application programming interface (API). This creates an intermediate step between the game and the OpenXR runtime environment, which communicates with the operating system, drivers, and VR compositor.

Buy Quest 2, Quest Pro & Prescription Lenses

You can read all about the Meta Quest 2 and Meta Quest Pro in the linked reviews.

Prescription lenses from VR Optician make your glasses obsolete. You can get them with a 5% discount using the link below.

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