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UE4 unchangable Normal Map compression settings (unavoidable compression artefacts)

Community Beginner ,
Sep 03, 2021 Sep 03, 2021

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Hello,

Would it be possible to have some feedback regarding this still standing issue:
https://forum.substance3d.com/index.php/topic,36562.0.html

thanks a lot.

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Bugs & Crashes , UE4

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Adobe Employee ,
Sep 16, 2021 Sep 16, 2021

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@Thibaud.be , did you try this in the latest 4.27 version?

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Community Beginner ,
Jan 13, 2022 Jan 13, 2022

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We migrated the project to use the latest unreal engine 4.72 version.
Unfortunately the issue remains:

  • Substance rendering engine in ue4 runtime will stubbornly revert the normal to BC5 Format.
  • Changing the "Lossy compression amount" or "Compresion quality" has no effect on the rendered normal output.

This happens when calling substance sync or async rendering methods at runtime.

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Community Beginner ,
Jan 18, 2023 Jan 18, 2023

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Is there any chance for this issue to ever get fixed ?

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Adobe Employee ,
Jan 19, 2023 Jan 19, 2023

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Hi,

Thanks for checking in. It will take some time to provide a fix for this issue in UE 4.27. 

Are there any plans to migrate your project to UE 5? 

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