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Won't Fix
Votes
8
Found in
2019.4.0f1
Issue ID
UUM-5882
Regression
No
Shadows blinking/artifacting when rendering Directional Light Shadows
How to reproduce:
1. Open the project from Edit section labeled "Download: "
2. Set Active Scene to "WoundWormsLair_Light"
3. Enter Play Mode and watch Scene View
Expected result: No shadow artifacts or blinking
Actual result: Shadows flicker randomly into artifacts
Reproducible with: 2019.4.0f1
Could not test with: 2018.4.28f1, 2019.4.13f1, 2020.1.9f1, 2020.2.0b7 (project breaks when upgrading or downgrading)
Notes:
Only reproduced when rendering directional light shadows – not point or spot lights.
The hunch is that this bug is caused by a combination of multithreading and heavy load (i.e. many simultaneous shadow computations).
When running the editor with -force-gfx-st -force-gfx-direct the blinking disappears.
Comments (1)
-
ShadowUser
Feb 20, 2021 05:46
We converted the project and repeated the bug in the 2020.2.4f1
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