Maniphest T60522

Eevee - ambient occlusion flickers with thin objects in the scene
Closed, Duplicate
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Assigned To
None
Authored By
Marcin Twarowski (Tvaroog)
Jan 15 2019, 9:05 AM
Tags
  • BF Blender
  • EEVEE & Viewport
Subscribers
Marcin Twarowski (Tvaroog)

Description

Win 10, GTX 1080
Blender 2.80, 2019-01-14 19:48; 84c06e996a7a

Open attached .blend file.

Eevee_bug_AO_with_thin_meshes.blend559 KBDownload

Switch to Eevee and press play. You should see the problem. There are two thin meshes:

With default settings (Distance 0.2m, Factor 1) AO flickering is barely visible:

https://youtu.be/MNFCzO80O1I

However when you increase Distance to 1m it becomes noticeable. Youtube compression is very strong, but you should see flickering:

https://youtu.be/9_F1xVZiz8k

When you additionally increase AO Factor it's even more obvious:

https://youtu.be/vQN1HNvtS6k

Related Objects

Mentioned In
T56567: Ambient Occlusion: Add thickness heuristic
Mentioned Here
rB84c06e996a7a: UI: indent subpanel headers more.

Event Timeline

Marcin Twarowski (Tvaroog) created this task.Jan 15 2019, 9:05 AM
Marcin Twarowski (Tvaroog) updated the task description.Jan 15 2019, 9:27 AM
Marcin Twarowski (Tvaroog) updated the task description.
Marcin Twarowski (Tvaroog) renamed this task from Eevee - ambient occlusion flickers when there's an object between two glass panes to Eevee - ambient occlusion flickers with thin objects in the scene.Jan 15 2019, 3:12 PM
Marcin Twarowski (Tvaroog) updated the task description.
Marcin Twarowski (Tvaroog) updated the task description.Jan 15 2019, 3:15 PM
Marcin Twarowski (Tvaroog) added a project: Eevee.Jan 18 2019, 10:15 PM
Marcin Twarowski (Tvaroog) mentioned this in T56567: Ambient Occlusion: Add thickness heuristic.Jan 24 2019, 2:23 PM
Clément Foucault (fclem) closed this task as a duplicate of T56567: Ambient Occlusion: Add thickness heuristic.Jan 24 2019, 2:33 PM
Clément Foucault (fclem) edited projects, added EEVEE & Viewport; removed Eevee.Jun 19 2020, 11:08 PM