using sss on a material causes weird white artifacts. #86476
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Reference: blender/blender#86476
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title.
rendering with bloom blows the screen totally white.
happens mostly with existing scenes, but this was made in 2.93.0
System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce GTX 1650/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 461.72
Blender Version
Broken: version: 2.93.0 Alpha, branch: master, commit date: 2021-03-05 06:10, hash:
b5d154f400Worked: 2.92 {F9884057}(newest version of Blender that worked as expected)
Short description of error
using sss causes white artifacts, addng bloom blows the scene white
Exact steps for others to reproduce the error
switch to rendered view.
[Based on the default startup or an attached .blend file (as simple as possible)]
Added subscriber: @Zombie
#86555 was marked as duplicate of this issue
Added subscriber: @Alaska
Seems like it might be related to #86473
we are all using nvidia drivers. ive tried the studio drivers, same problem. im using gaming drivers, they seem more stable.
Added subscriber: @EAW
Triaging Note: #86473 reports that the issue appeared in the March 10th build, but the previous day’s build was fine. This report is using March 5th build.
Added subscriber: @SecuoyaEx
The borders in other materials is another bug related to Screen space reflections. As for the SubSurface Scattering, I created a simpler file showcasing the problems. They are all related to using Alpha 0 in the material. Some happen when the material is close to another object with SSS, others are caused by using alpha textures themselves, with parts with alpha 0. I've seen it happen with Alpha Hashed but wasn't able to replicate it in this file, just with Opaque and Alpha Clip. I also haven't tested if this happens with spare Transparency and SSS shaders, just with Principled BSD.
3256f0d52cSSSbug293.blend
Added subscribers: @fclem, @lichtwerk
Changed status from 'Needs Triage' to: 'Confirmed'
Can definitely confirm.
But this really seems to have come in two steps/commits, like @Zombie said, first only the ornaments on the "hoddie", then in the next step all around the borders.
@fclem: do you need this as separate report, or is #86473 (Screen Space Reflections artifacts (most noticable when using half res trace)) sufficient?
This issue was referenced by
09e77d2c89Changed status from 'Confirmed' to: 'Resolved'
Added subscriber: @Phigon