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SpeedTree 8 shaders incorrect lighting when not using SS

Discussion in 'General Graphics' started by o1o101, Dec 5, 2019.

  1. o1o101

    o1o101

    Joined:
    Jan 19, 2014
    Posts:
    637
    The same tree, left is using a standard surface shader, the right is using SpeedTree 8 shader without a Subsurface map.
    I don't know how performance heavy SpeedTrees implementation of subsurface is, but I would rather have it disabled and behave like the shader on the left, 1 for performance and 2 I haven't been able to get good results with it anyway.

    upload_2019-12-5_11-5-6.png

    Unfortunately the billboards also behave like this.

    Is this a known issue? Or expected behavior? If this is expected it would be great to be able to not use subsurface at all and have correct shading.
     
    iliasM likes this.
  2. iliasM

    iliasM

    Joined:
    Dec 15, 2017
    Posts:
    15
    Did you figure it out eventually?
     
  3. o1o101

    o1o101

    Joined:
    Jan 19, 2014
    Posts:
    637
    SpeedTree doesn’t seem to be supported anymore by Unity, or the SpeedTree team.

    Their shaders don’t even work in URP at all.