Reproduction steps:
1. Open the attached project "ReproProj"
2. Open the “/Assets/Scenes/SampleScene.unity” Scene
3. Switch to Android Platform
4. Open Player settings (Edit > Project Settings > Player)
5. Select Vulkan Graphics API
6. Open Build Settings (File > Build Settings)
7. Select Development Build
8. Select Autoconnect Profiler
9. Build and Run on Quest
10. Observe the profiler and compare the results to OpenGLES3
Expected result: Performance is similar
Actual result: Performance is worse for Player built with Vulkan
Reproducible with: 2021.3.44f1, 2022.3.48f1
Could not test with: 6000.0.21f1 (Player crashes at launch)
Reproducible on:
VLNQA00379, Oculus (Quest 2), Android 10, CPU: Snapdragon XR2, GPU: Adreno (TM) 650
Not reproducible on:
Play Mode
Testing environment: Windows 10 Enterprise 21H2
Not reproducible on: No other environment tested
Notes:
- Reproducible with Oculus XR and OpenXR