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Anti Aliasing (MSXAA 4x) causes black screen in VR on some phones #456

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MiCkSoftware opened this issue Feb 23, 2024 · 3 comments
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@MiCkSoftware
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MiCkSoftware commented Feb 23, 2024

SPECIFIC ISSUE ENCOUNTERED

Unity 2021 LTS
OPEN GL 3.2
When enabling MSXAA 4x Anti Aliasing, screen is full black when VR is enabled (works fine in plain 3D)

SMARTPHONE (please complete the following information):

  • Device: Pixel 7
  • OS
    • Android
    • iOS
  • OS version 14

STEPS TO REPRODUCE THE ISSUE

  1. Launch a game with Anti Aliasing options (eg. Whispering Eons Season 1) on a pixel 7
  2. Disable AA and launch VR, graphics are fine
  3. Enable AA and launch VR
  4. See error

EXPECTED BEHAVIOR

AA should not cause black screen

VERSIONS USED

What version of Google Cardboard are you using?
Cardboard SDK/Cardboard XR Plugin 1.23.0

If you are using Cardboard XR Plugin:

  • What version of Unity are you using?
    2021.3.32f1

  • Select in which graphics API you can reproduce the bug.

    • OpenGL ES2
    • OpenGL ES3
    • Metal

LINK TO A REPOSITORY WITH CODE TO REPRODUCE THE BUG

(This is not mandatory but it allows us to faster reproduce, prioritize, debug and fix the reported issue)
Repo is private, email me to gain access.
https://play.google.com/store/apps/details?id=com.mick.we.ep1&hl=en&gl=US

SCREENSHOTS

If applicable, add screenshots to help depict your problem.

ADDITIONAL CONTEXT

Add any other context about the problem here.

@MiCkSoftware MiCkSoftware added the bug Something isn't working label Feb 23, 2024
@MiCkSoftware
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PS: works fine on a Nokia X20

@arilow
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arilow commented Feb 29, 2024

Thanks @MiCkSoftware for reaching out to us. Unfortunately, we haven’t been able to repro this locally.

In order to allow us to reproduce this issue, could you please answer the following items:

  • Have you been able to repro this issue on the Hello Cardboard scene? If no, please try with that scene and let us know how it goes.
  • Please share the required steps to expose the issue with us being as precise as possible so as to be sure that we get the same configuration as you do.

Thanks!

@MiCkSoftware
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Hi !

You can test directly with my project setup : https://github.com/MiCkSoftware/weons1/tree/googlevr_report_issue

I gave you access. If you compile and run : it will not work on a pixel 7 and will work on many devices.

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