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Won't Fix
Votes
0
Found in
2021.3.33f1
2022.3.14f1
Issue ID
UUM-58977
Regression
No
[URP] Visual artifacts in the Skybox when disabling Cast Shadows in an Unlit Shader Graph used in the Skybox Material
Reproduction steps:
1. Open the “ReproProject“ project
2. Open the "Assets/Scenes/SampleScene" scene
3. Open the Lighting Window (Window > Rendering > Lighting)
4. Make sure the Skybox Material property in the Environment section is set to “Assets/Skybox_mat“
5. Observe the Game View
6. Rotate/Look around in the Scene View
Expected result: The view is gray
Actual result: There are visual artifacts in the view
Reproducible with: 2021.3.33f1, 2022.3.14f1, 2023.2.0b8
Not reproducible with: 2023.3.0a16
Fixed in: 2023.2.0b9
Reproducible on: Windows 11 Pro (22H2)
Not reproducible on: No other environment tested
Note:
The user reported that the issue does not appear in 2022.3.7f1. I didn’t manage to reproduce it with Cast Shadows disabled, however, it did reproduce with Cast Shadows enabled so the issue still appears
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Resolution Note:
Using an Unlit Shadergraph as a skybox isn't supported. It seems that disabling the depth write of the shader graph solves this particular issue but there is no guarantee that it will remain stable as we are not testing the use case internally.