Eevee volume ghosting on animation playback #75996
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Reference: blender/blender#75996
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System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce GTX 1660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 441.41
Blender Version
Broken: version: 2.83 (sub 13), branch: master, commit date: 2020-04-21 17:59, hash:
13e3a1c532Worked: not known VDB imports only in 2.83
Short description of error
Play back of imported VDB in eevee creates ghosting
Exact steps for others to reproduce the error
Import VDB
Added subscriber: @Sterling-Osment
VDB Import eevee artefacts ghosting on playbackto Eevee volume ghosting on animation playbackAdded subscribers: @fclem, @brecht
This isn't specific to OpenVDB files, it happens even with the simplest volumes:
eevee_volume_ghosting.blend
The same issue also happens in 2.80.
@fclem, not sure if this a bug or just a limitation of temporal AA.
It's a limitation. We don't do neighborhood clamping right now so that's to be improved.
I’m interested how other people are rendering without artefacts or ghosting etc, using an EmberGen VDB workflow in eevee.
Love to know
Viewport animation playback has the ghosting. But if you render the animation (either from the viewport or final render), there is no such issue.
Added subscriber: @JacobMerrill-1
343c94662c (diff-e629a0b250a67556cc35ff435fd621ea)so here is a fix for preview* / what upbge did to fix it
it appears the history for the TAA for the volume was not being used in the viewport
Thanks - How do I inject this into blender ? Sorry not done this before..
basically the viewport is using no history for the volume for the TAA
loki hacked around it for it to work in the game engine, but maybe hypersomniac or brecht can add a checkbox instead to do the same for the viewport
as it may may preview slower a bit but much better for volumes
@brecht @fclem ?
you can test a build of UPBGE
(blender 2.9 staging branch + bge) from download section here
https://upbge.org/
Changed status from 'Needs Triage' to: 'Confirmed'
Added subscriber: @ChristopherAnderssarian
Is this: F8567804 the same issue? I wanted to make sure before adding another report to the table.
Eevee Wirdness.blend
This is not the same issue. Please open another report.
@fclem Done! Thanks for the weekend response!