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Blocky artifacts appear on textures in the viewport | Substance 3D Painter

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        1. Artifacts and glitches on Mac OS with Custom GPUs
        2. Blocky artifacts appear on textures in the viewport
        3. Mesh appears pink in the viewport
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        5. Some HDPI scaling values are not working
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        1. My exported opacity map is totally black
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        1. Normal map looks incorrect when loaded in layer or tool properties
        2. Paint Tool bleeds on other UV islands
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        1. A project has been processed as a text file and is now corrupted
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  12. Release notes
    1. All Changes
    2. Version 9.0
    3. Version 8.3
    4. Version 8.2
    5. Old versions
      1. Version 8.1
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      5. Version 2021.1 (7.1.0)
      6. Version 2020.2 (6.2.0)
      7. Version 2020.1 (6.1.0)
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      9. Version 2019.2
      10. Version 2019.1
      11. Version 2018.3
      12. Version 2018.2
      13. Version 2018.1
      14. Version 2017.4
      15. Version 2017.3
      16. Version 2017.2
      17. Version 2017.1
      18. Version 2.6
      19. Version 2.5
      20. Version 2.4
      21. Version 2.3
      22. Version 2.2

Blocky artifacts appear on textures in the viewport

Starting with version 2018.3.0 the following kind of artifacts can appear in the viewport:

These artifacts are related to issues with Nvidia GPU Drivers.
To avoid the artifacts the Sparse Virtual Textures hardware support needs to be deactivated.

The GeForce Drivers 440.97 have now fixed this issue . We recommended to update to these drivers and to keep the SVT enabled to get good performances.

New drivers are available on Nvidia website: https://www.nvidia.com/Download/index.aspx

Disabling the Sparse Virtual Textures Hardware acceleration

1 - Start Substance 3D Painter and open the Settings

Open the main Settings via Edit > Settings.

2 - Find the section named "Sparse Virtual Textures"

Inside the "General" section, scroll down and find the sub-section named "Sparse Virtual Textures"

3 - Uncheck the setting

Disable the "Hardware support acceleration" setting by unchecking it.

4 - Validate and restart Substance 3D Painter

Validate the change by clicking on the "OK" button.

Restart Substance 3D Painter by clicking on the "Yes" button to apply the change.

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