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Under Consideration for 4.5.X
Votes
2
Found in [Package]
4.5.0
Issue ID
OXPB-153
Regression
No
[Quest 3][OculusXR] Artifacts on the right eye when SubSampled Layout is enabled with Vulkan on Quest 3 in MR
Steps to reproduce:
1. Download the attached user's project "ai-xr-poc.zip"
2. Switch to Android
3. Make sure OculusXR is enabled in XR Plugin Managament settings
4. Make sure SubSampled Layout is enabled in Oculus settings
5. Build for Quest 3
6. Enable experimental features when prompted upong performing a build
7. Enable experimental features in the Quest 3 headset if prompted upon application launch
8. Observe on the right eye corner artifacting
Note: Project is using URP
Expected Results: no artifacting when subSampled Layout is enabled
Actual Results: artifacting on the right eye when SubSampled Layout is enabled with Vulkan on Quest 3
Reproducible on: OculusXR 4.2.0 (2022.3.33f1)
Could not test on 2021.3.39f1 due to project errors when downgrading
Could not test on 6000.0.6f1 due to Shader Compilation errors
Reproducible with these devices:
VLNQA00609, Oculus Quest 3 (Quest 3), Android 12, CPU: Snapdragon XR2 Gen 2 (SM8550), GPU: Adreno (TM) 740
Not reproducible on these devices:
VLNQA00415 - Oculus Quest 2 (Quest 2), CPU: Snapdragon XR2, GPU: Adreno 650, OS: 12
Testing Environment: Windows 11
Not reproducible on: No other environment tested
Notes:
-If the issue doesn't appear after building, relaunch the application in the headset
-Issue only reproduces with Vulkan
-Experimental features on Quest 3 headset itself are disabled (Settings > Experimntal)
-Project uses MetaXR SDK 65.0
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hundredeighty7
Jun 15, 2025 16:51
Encountered the same issue in my project using the openXR plugin in Unity 6000.0.45f1. Seemed to effect only Quest 3 devices and was dependent upon the specific headset (some devices always experienced it, some never did)
AndreaGiulianoK
Jun 04, 2025 13:20
Disabling SubSampled Layout remove the artifacts.