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Fixed

Fixed in 6000.0.75f1, 6000.3.15f1, 6000.4.6f1, 6000.5.0b7, 6000.6.0a5

Votes

0

Found in

6000.0.58f1

6000.2.6f1

6000.3.0b4

6000.4.0a1

6000.5.0a1

6000.6.0a5

Issue ID

UUM-120719

Regression

No

Stereoscopic skybox renders as monoscopic when using Multi-pass render mode in XR plugin while using URP

Graphics XR

-

Reproduction steps:

1. Open the attached project “ReproProject”
2. Set OpenXR Render Mode to “Multi-pass” (located in Edit → Project Settings → XR Plug-in Management → OpenXR → Render Mode → select “Multi-pass” option)
3. Connect a VR headset
4. Put on the headset
5. Enter Play Mode

Expected result: The Skybox is rendered as stereoscopic (with depth effect)
Actual result: The Skybox is rendered as monoscopic (flat, no 3D effect)

Reproducible in: 2023.1.0a26, 6000.0.58f1, 6000.2.6f1, 6000.3.0b4, 6000.4.0a1
Could not test with: 2023.1.0a1, 2023.1.0a15 (unsolvable Input System package errors, Editor freezes)

Reproducible on: Windows 11
Not reproducible in: No other environments tested

Reproducible on devices:

  • Oculus Quest 3 (Quest 3), CPU: Snapdragon XR2 Gen 2 (SM8550), GPU: Adreno (TM) 740
  • Oculus Quest 2 (Quest 2), CPU: Snapdragon XR2, GPU: Adreno 650

Notes:

  • Reproducible with Oculus XR and OpenXR plugins
  • Also reproducible in Standalone Player for Windows
  • Not reproducible in Standalone Player for Android
  • Not reproducible with Built-in Render Pipeline
  1. Resolution Note:

    Fixed in 6000.5.0b7

  2. Resolution Note (fix version 6000.6.0a5):

    Panoramic skyboxes rely on the builtin unity_StereoEyeIndex constant to be stereoscopic but this property was not being set in multi-pass XR rendering mode within URP, resulting in only the left eye view ever being used for the skybox texture.

  3. Resolution Note (fix version 6000.6.0a5):

    Fixed in 6000.5.0b7

  4. Resolution Note (fix version 6000.5.0b7):

    Panoramic skyboxes rely on the builtin unity_StereoEyeIndex constant to be stereoscopic but this property was not being set in multi-pass XR rendering mode within URP, resulting in only the left eye view ever being used for the skybox texture.

  5. Resolution Note (fix version 6000.4.6f1):

    Fixed in 6000.4.6f1

  6. Resolution Note (fix version 6000.3.15f1):

    Fixed in 6000.3.15f1

  7. Resolution Note (fix version 6000.0.75f1):

    Fixed in 6000.0.75f1

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