Headset brand Has native OpenXR support? Can leverage OpenComposite? OpenXR supports 32-bit apps? Installation method Windows Mixed Reality (HP Reverb, Samsung Odyssey…) Yes Yes Yes System-wide Oculus (Rift, Quest, Quest 2, Quest Pro…) Yes Yes Yes System-wide Oculus (via Virtual Desktop) No No No Per-game Varjo (Aero, VR-3…) Yes Yes No Per-game Pimax (5K, 8K…) Yes Yes Yes System-wide HTC Tier 1 (Vive original, Vive Pro) No No No Per-game HTC Tier 2 (Vive Cosmos, Vive Focus) Yes Yes No System-wide Valve Index No No No Per-game Pico (Neo 3, Neo 4) (via Virtual Desktop) No No No Per-game The diagram below show how OpenComposite enables applications built for OpenVR to bypass SteamVR and to take advantage of OpenXR.Įcosystem with OpenComposite Headset compatibility
This is before the introduction of OpenComposite. The diagram below show how games developed for OpenXR and OpenVR typically operate. The goal of OpenComposite is to run applications built on the legacy OpenVR (predecessor of OpenXR), which typically require SteamVR, to use OpenXR instead. The image and/or OpenXR Toolkit menu is upside down.The game will not start with error “unknown config option”.The game will crash at startup with a Vulkan error.The game will not start with error -2 / XR_ERROR_RUNTIME_FAILURE.The game will not start with error -32 / XR_ERROR_FILE_ACCESS_ERROR.The game will not start with error -13 / XR_ERROR_INSTANCE_LOST.The game will not start with error -35 / XR_ERROR_FORM_FACTOR_UNAVAILABLE.Disable OpenComposite for incompatible applications.Your SteamVR settings won’t matter anymore!.Always make sure you are running the latest version.Don’t install/use the Windows Mixed Reality (WMR) Portal and/or Tools if you don’t have a WMR device.Don’t use the legacy OpenComposite-ACC, aka v0.6.3.Be sure to grab the OpenXR version of OpenComposite.Understand the difference between Steam and SteamVR.How is it different from OpenXR Toolkit?.
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