EEVEE-Next: Shadow rendering bug #120947
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Reference: blender/blender#120947
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Windows 10
Nvidia RTX 2060 Super
Blender 4.2 alpha.
1d9d0f0056The shadow rendering bugging in the latest alpha. If I move the light 0.1 meters it will disappear. Unchecking the shadow option terminates the problem but then there is no shadow.
Using the bias in the EEVEE shadow menu can solve some of the problems but sometimes It might introduces an other one based on the thicknesses of the objects and how close to each other.
Also moving some objects can help, it seems they cast shadow over other ones but it isnt the complete case. Check the attached file.
Thx
@Bela-Bessenyei Hi! I believe this is just the limitation of real time illuminations. The shadows are not as accurate. If you mean "shadow would disappear" like what is seen in this screenshot, you could try adjusting normal bias value to compensate, light threshold value is also adujustable.
Hi, don't think this is a bug since adjusting normal bias and light threshold avoids this problem. Forwarding to EEVEE devs for confirmation. @Jeroen-Bakker 👋
Would leave the answer of this ticket to @fclem. He is more aware about detailed changes the expected consequences.
I plan to make changes to the shadow bias. This issue will have to be fixed.
4.2 alpha shaodw rendering bug EEVEE NEXTto EEVEE-Next: Shadow rendering bugSo the issue is not the shadow bias (improved in #121088). Instead, it is produced by casters being recorded inside the light radius.
Should be fixed since #120992 landed, which clips the occluders if they are inside the light radius. In this file, this produces quite some light leaking. But that is expected with such big light radii.
It looks much better thank you! Much better!