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Warning when importing Megascan surfaces

Hi when I download a megascan surface there comes up a warning about the Rougness and Displacement texture samples as Linear Color.

I get that the texture I assign (In this case imported from Megascan Bridge) is in the wrong colorspace/compression/wrong format

Iv changed the the sampler type to Linear Color
image

Iv read different topics how to fix it but cant find an overall solution how to make it right .

Some people have written the problem accurs caause of export settings in bridge and how Unreal unpack the textures.

  • So what would the default way be to fix this. Should I download in Jpeg 8 bit or Png 18bit or 16bit or exr 32bit ?

Second some ppl say I need to fix it in Unreal in the compression settings. The deafualt from Megascan I got was Alpha(no sRGB, BC4 on DX11)
In some threads IV read they say I need to change this to mask(no sRGB)

With testing the warning goues away if I use 127 default Grey as texture, however when using a downloaded texture from Megascan bridge and use it the warning pops up. So it seemed to be problem with the texture I get from bridge. So how to fix this :smiley: