Eevee Light Artifacts World Volume - Video #81033

New Issue

Massimo · 2020-09-21T16:41:16+02:00

Massimo commented

2020-09-21 16:41:16 +02:00

System Information
Operating system: Windows 10
Graphics card: 2070 Super Lastest drivers as of 21.09.2020

Blender Version
Broken: I have experianced this in 2.83, 2.90 and the latest build 2.91.0 Alpha, branch: master, commit date: 2020-09-20 18:23, hash: e14894aad2
Worked: Has Never Wroked

Short description of error

I seem to be getting light artifacting with Eevee video renders, I seem to have narrowed it down to world volume shader causing the problem, but not sure what else it is interacting with it, as it does not seem to be issue for many others. It also seems to be random, as I can render an indivdual frame from a video and not have an issue. Or re-render the video and artifacts are different again.

Attached is an example frame from the attached blend file and also a video I have been working on experiancing the issue.

Here is an example of anther use experiancing the issue as well name

Exact steps for others to reproduce the error
Create new scene with standard cube and a plane for the ground, one light source and camera.
apply a material to ground and cube.
set world background colour to black
apply a mixed volume shader to world volume
set all eevee render settings to high
apply a camera movement for video
Render out video

test speaker yesh boi_0000505-0810.mkv
Eevee Light Flares.blend

Based on the default startup or an attached .blend file (as simple as possible).

**System Information** Operating system: Windows 10 Graphics card: 2070 Super Lastest drivers as of 21.09.2020 **Blender Version** Broken: I have experianced this in 2.83, 2.90 and the latest build 2.91.0 Alpha, branch: master, commit date: 2020-09-20 18:23, hash: e14894aad2b8 Worked: Has Never Wroked **Short description of error** I seem to be getting light artifacting with Eevee video renders, I seem to have narrowed it down to world volume shader causing the problem, but not sure what else it is interacting with it, as it does not seem to be issue for many others. It also seems to be random, as I can render an indivdual frame from a video and not have an issue. Or re-render the video and artifacts are different again. Attached is an example frame from the attached blend file and also a video I have been working on experiancing the issue. Here is an example of anther use experiancing the issue as well [name ](https://blenderartists.org/t/what-are-these-light-flashes-in-eevee-mov-render/1254312) **Exact steps for others to reproduce the error** Create new scene with standard cube and a plane for the ground, one light source and camera. apply a material to ground and cube. set world background colour to black apply a mixed volume shader to world volume set all eevee render settings to high apply a camera movement for video Render out video ![Light Flares0040.jpg](https://archive.blender.org/developer/F8906402/Light_Flares0040.jpg) [test speaker yesh boi_0000505-0810.mkv](https://archive.blender.org/developer/F8906410/test_speaker_yesh_boi_0000505-0810.mkv) [Eevee Light Flares.blend](https://archive.blender.org/developer/F8906403/Eevee_Light_Flares.blend) Based on the default startup or an attached .blend file (as simple as possible).

Massimo commented

2020-09-21 16:41:16 +02:00

Added subscriber: @Massimo_Conci