Weird flickering using foliage and DoF

Development Rendering
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1

Hello!

Whenever I try to use nanite foliage meshes, with Depth of Field and translucency, this weird flickering happens. The video shows how it turns out using 70mm Imax size sensor with 1.4 DOF.

Things I have tried:

  • Tried to increase the quality of the Dof with console commands.
  • r.ScreenPercentage 200, but the problem seems to be staying.
  • Turning translucency on and off
  • Ticking double sided in the materials.
  • Trying out various types of AA
  • Turning wind off.

I use rtx3090, so the GPU shouldn’t be the problem.

I thought about rendering it out without any DOF and using zDepth, but it would be nice if it could be solved in program!

Any help here would be greatly appreciated as I’d love to use Lumen in my project but can’t with this grass flickering issue.
Thank you!

2 Likes
2

Hi，did you fix it ？

3

Hello!
Still haven’t find any fix!

4

Hi, no, I dont fix it(((

5

Me too

6

I found a solution!
I use these commands in my project, and the issues are gone!
r.RayTracing.Culling 0
r.Raytracing.Shadows.EnableTwoSidedGeometry 0
r.TemporalAA.Upsampling 0

7

Thank you so much, buddy!

8

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