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Won't Fix
Votes
0
Found in
2018.4
2019.3.3f1
2019.4
Issue ID
1234279
Regression
No
[XR] ParticleSystem.ScheduleGeometryJobs takes up to ~60% of time when using Render to texture
Reproduction steps:
1. Open the attached project ("Heat sources PoC.zip")
2. Open "Handheld Test"
3. Open Profiler window
4. Enter Play mode
5. Search for "ParticleSystem.ScheduleGeometryJobs" in Profiler
Expected result: ParticleSystem.ScheduleGeometryJobs performance is similar to non-XR or XR SDK
Actual result: ParticleSystem.ScheduleGeometryJobs takes up to ~60% of the time
Reproducible with: 2018.4.28f1, 2019.4.12f1 (legacy XR)
Not reproducible with: 2020.1.8f1, 2020.2.0b6 (XR SDK)
Tested with:
- Oculus Rift (Oculus SDK, OpenVR SDK)
- MockHMD (ParticleSystem.ScheduleGeometryJobs spikes up to ~60%)
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Resolution Note (2019.4.X):
As this relates to the now deprecated legacy VR management system (which has been replaced by the XR Management package), and that it uses the OpenVR SDK (which Valve supports; not Unity), resolving this issue as Won't Fix.