OpenVR vs OpenXR on Crystal

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  • #220029
    adzter
    Participant

    Hey Ralf…

    I have a question regarding the optimum way to run Vorps with the Crystal.

    I’m wanting to upgrade from my Reverb G2, & I’m interested in the Crystal Light/super, so I’ve borrowed a pals orig Crystal to get a feel for it.
    I’ve been able to run some SteamVR games on it using OpenXR & opencomposite with their PimaxXR no prob.
    I’ve also had no issue running Vorpx games & GEO11/Desktop Viewer combo games through Steam VR, but I’ve noticed I’m not able to get a similar performance to what I was used to running on my G2 with openXR. In fact, I’m needing to knock down resolutions compared to what I’ve been using.

    So I tried selecting Open XR in both the Vorpx settings & PimaxXR app. It works, but both Vorpx and Desktop viewer have an overall stuttery feel when looking around.

    Is there anything you could suggest? Anything I’m doing wrong or missing?
    Is Vorpx not setup to use OpenXR with Pimax?

    Thanks. Adam

    #220031
    Ralf
    Keymaster

    Has been a while since I used a Pimax headset TBH, I only have an older model here. Pimax has always been a bit iffy to handle due to their intermediate software though, so what you describe doesn’t really come as a surprise.

    I’d suggest to try SteamVR first, that’s how I tested Pimax back then. vorpX sets specific headset sync settings for Pimax in SteamVR mode that I figured worked best (for me) at the time. Not sure whether these settings are still optimal, but that’s definitely worth a shot.

    I never tried PimaxXR, so I can’t really comment on that. The key for getting Pimax headsets work as good as possible has always been finding working headset sync options in the vorpX menu. That’s probably also true for the PimaxXR implementation. Might generally make sense to use a FPS limited sync method that leaves some GPU headroom for whatever the Pimax app does after vorpX.

    On a sidenote:

    The 24.1.0 cutting edge build linked on the front page has revised sync handling with more logical sounding presets and more FPS limit options. Trying that is heavily recommended.

    #220048
    adzter
    Participant

    Thanks, Ralf
    Actually, I settled on openvr thru Steam in the end. Got it workin’ smooth after a bit of tinkering.
    And I’ve been on 24.1 since release. It’s workin’ great.
    Cheers, Ad

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