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Participant
December 6, 2021
Solved

v35 causes one eye not to render

  • December 6, 2021
  • 9 replies
  • 5707 views

In our UE4 game (running on a custom 4.24 Oculus version of the engine), upgrading to v35 of the system software causes one of the eyes to not render.  Nothing changed before going to v35.  Has anyone else seen this?

 

 

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    Best answer by prozac

    Yeah, it should work with Vulkan enabled. In Rendering > VR, do you have Instanced Stereo disabled and Mobile Multi-view enabled? 

    9 replies

    prozac
    Meta Employee
    December 6, 2021

    I suggest taking a look at in RenderDoc. 

     

    More details on using RenderDoc here.

    Participant
    December 6, 2021

    Nothing jumps out at me.  Both views look like they are being queued.  But when I select anything under CopyTexture I see nothing but a black screen.  In game oddly enough the stereo layers of the UI render correctly.

    Participant
    December 6, 2021

    FWIW: Disabling the vulkan renderer fixes the issue but of course there is a small frame hit doing so.

    prozac
    prozacAnswer
    Meta Employee
    December 6, 2021

    Yeah, it should work with Vulkan enabled. In Rendering > VR, do you have Instanced Stereo disabled and Mobile Multi-view enabled? 

    December 10, 2021

    We had a similar issue on Unity(the first rendered view was frozen) and this worked for our team as well, thank you.

    Up and Coming
    December 8, 2021

    Enabling Mobile Multi-View in project settings will fix this.

    Participant
    December 8, 2021

    that did indeed fix it.

    Abouzarpourranjbar
    Inspiring
    May 14, 2025

    same issue and the solutions doesn't work for me, I need mobile HDR true and all solutions is encountering the one eye rendering only, UE 5.4.4 and Meta XR 71

    Abouzarpourranjbar
    Inspiring
    May 14, 2025

    need to disable Mobile Multi view, it worked for me