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Fixed

Votes

4

Found in [Package]

1.2.8

Issue ID

1357224

Regression

No

[XR SDK] [OpenXR] Secondary camera does not render when HMD is in sleep mode

Package: OpenXR Plugin

-

Reproduction steps:
1. Open the attached project ("Bug Case 1357224.zip")
2. Connect the HMD and leave it in the sleep mode
3. Enter the Play mode

Expected result: Game window displays image of the secondary camera
Actual result: The Game window is black

Reproducible with: OpenXR 1.2.8 (2020.3.17f1, 2021.1.17f1, 2021.2.0b7, 2022.1.0a5)
Not reproducible with: 2019.4.29f1 (OpenXR not available)

Note:
- Does not reproduce with Oculus XR Plug-in, MockHMD
- After putting the headset on tracking starts to work again

  1. Resolution Note:

    This is by design. When taking off the headset, OpenXR explicitly moved to IDLE status, which should not be rendering at all.

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Comments (3)

  1. AndreasWang

    Oct 08, 2021 12:34

    This is causing a fair amount of issues for me as well. I'd rather not have to force turn off XR whenever a user quickly takes off their HMD to tweak something on Desktop UI as most users would expect that they could just put on their HMD again and continue doing their thing, instead of needing to click a button to re-enter XR.

    It feels like a rather arbitrary limitation in situations where you make use of both HMD and Desktop UI.

  2. Iron-Warrior

    Sep 05, 2021 18:11

    Seconded that I need a workaround for my project. Is this something that is toggled inside the OpenXR source that I could disable? It seems to only happen with Oculus headsets. I assume this is something Unity is doing where rendering is disabled when the headset is on sleep?

    This is a significant breaking change from how the Oculus plugin was functioning and prevents a wide range of usages where there is a secondary PC camera.

  3. chrpetry

    Aug 30, 2021 05:45

    I can't continue my project like this.
    Could you please prioritize or give me a workaround for this?

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