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Fixed in 2021.2.X
Planned for 2020.3.X, 2021.1.X
Votes
0
Found in
2018.4
2019.4
2020.2.0f1
2020.3
2021.1
2021.2
Issue ID
1323892
Regression
No
Fwidth behavior is inconsistent between DX11/DX12 and OpenGL/Vulkan
How to reproduce:
1. Open the user attached project
2. Open the SampleScene
3. Observe the Sphere in the Game view. Notice that the applied texture does not have a seam
4. Switch the Graphics API to OpenGLCore or Vulkan
5. Observe the Sphere in the Game view again
Expected result: The applied texture does not have a seam
Actual result: The applied texture has a seam
Reproducible with: 2018.4.33f1, 2019.4.24f1, 2020.3.4f1, 2021.1.3f1, 2021.2.0a13
Notes:
1. The seam does not occur when D3D11 or D3D12 APIs are used
2. The issue occurs in Editor and in Player
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Resolution Note (fix version 2021.2):
Vulkan and desktop OpenGL support (via extension) for fine/coarse derivatives is incoming
Fixed in - Unity 2021.2.0a20