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Found in [Package]

12.0.0

Issue ID

1360539

Regression

No

[XR][HDRP] Rendering artifacts appear when adjusting Focal Length of Physical Camera

Package: Scriptable Render Pipeline HD

-

Reproduction steps:
1. Open the attached "case_1360539.zip" project
2. Load the "SampleScene"
3. Enter Play mode
4. Enable "Physical Camera" for the Main Camera (or "Link FOV to Physical Camera" depending on the Unity version)
5. Set Physical Camera's Lens's Focal Length value to 200
6. Move the headset around and observe the Game view

Expected result: no artifacts appear
Actual result: shadow artifacts appear on the left side of the view (see "CDqe4s128X.mp4")

Reproducible with: HDRP 10.6.0 (2020.3.17f1), 11.0.0 (2021.1.18f1) 12.0.0 (2021.2.0b9, 2022.1.0a6)
Could not properly test with 2019.4.30f1 since downgrading the project breaks it and the old HDRP project uses a different scene

Notes:
- displayed FOV value in the Inspector is incorrect when the Physical Camera is enabled (it still uses a headset FOV but displays the Physical Camera's FOV)
- tested with Oculus XR and OpenXR packages using Oculus Rift

  1. Resolution Note:

    Using physical cameras in XR applications is not currently supported with XR. We may provide better diagnostic messages or other indications of the incompatibility in the future.

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