Shading Problem in Eevee in Top Orthonographic View When the Scale is not Applie Yet #79216
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Reference: blender/blender#79216
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System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce MX130/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 451.67
Blender Version
Broken: version: 2.90.0 Beta, branch: master, commit date: 2020-07-23 18:40, hash:
9cbf43801b
Worked: Never
Short description of error
There is a strange shading problem in Eevee that happens when the object is scaled and the scale is not applied yet. The light needs to be at certain angle to make it appear. The problem also has to do with the topology of the mesh, it is hard to notice with just one face (though still there as you can see it flickers when you scale it), but it becomes obvious when subdivided.
Exact steps for others to reproduce the error
Based on the attached .blend file
Open my .blend file, you can see there is a circle and a light in the scene. You can see the problem by turn on render view. The light is placed at certain angle to make the problem show.
The circle was created using the below steps:
(0. delete or hide my circle)
Orthonographic Top View Shading Problem.blend
Added subscriber: @Eary
Added subscriber: @mano-wii
I cannot reproduce the problem.
This seems like a graphic driver issue. Please double-check if the drivers are up to date.
To upgrade to the latest driver, see here for more information: https://docs.blender.org/manual/en/dev/troubleshooting/gpu/index.html
I am pretty sure my driver is the latest.
An update here, checking the "high quality normals" checkbox under the performance tab in the render settings also make the phenomenon react. (I originally thought it disappeared, but once I scale it after that, it appears again) I think this information may help people identify the problem.
Added subscriber: @YAFU
Hi.
I can reproduce the problem here on Kubuntu Linux 20.04. Blender from master, GTX 960, 450.57 driver
Edit:
BTW, the problem also occurs in Blender 2.83.1 LTS here.
Added subscriber: @lichtwerk
Changed status from 'Needs Triage' to: 'Confirmed'
I can confirm as well
System Information
Operating system: Linux-5.7.10-201.fc32.x86_64-x86_64-with-fedora-32-Thirty_Two 64 Bits
Graphics card: GeForce GTX 970M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 440.100
version: 2.91.0 Alpha, branch: master, commit date: 2020-08-23 12:48, hash:
e4932d1167
An orthographic camera also renders it like that.
#79216.blend
As soon as you rotate the camera the slightest bit, issue is gone.