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By Design
By Design in 2023.3.X
Votes
0
Found in
2021.3.30f1
2022.3.9f1
2023.1.12f1
2023.2.0b8
2023.3.0a4
Issue ID
UUM-48041
Regression
No
Mesh with a Custom Shader appears to overlap when rendering with Blending Mode set to Alpha or Premultiply
How to reproduce:
1. Open the attached “MeshXBug.zip“ project
2. Open the “Bug Demo“ Scene
3. Enter Play Mode
Expected result: Mesh is rendered correctly
Actual result: Some parts of the mesh aren’t rendered correctly (it looks like some parts of the mesh overlap each other)
Reproducible with: 2021.3.30f1, 2022.3.9f1, 2023.1.12f1, 2023.2.0b8, 2023.3.0a4
Reproducible on: macOS 13.4.1 Ventura (Intel)
Not reproducible on: No other environment tested
Notes:
- Issue does not reproduce if the “TransparencyBug“ shader has Blending Mode set to Additive or Multiply
- Also reproducible in Player
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Resolution Note:
for the blending to work properly a multipass shader that writes to depth before writing the water is required, so that the depth test can be enabled preventing to write overlapping fragments and the order is preserved
Resolution Note (2023.3.X):
for the blending to work properly a multipass shader that writes to depth before writing the water is required, so that the depth test can be enabled preventing to write overlapping fragments and the order is preserved