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Progressive lighmapper - low quality in dark areas

Discussion in 'Global Illumination' started by redemprez, Mar 27, 2019.

  1. redemprez

    redemprez

    Joined:
    Aug 14, 2017
    Posts:
    29
    Hi!

    I am baking light in interior scene and I am getting very low sampling quality in GPU lightmapper - Unity 2018.3.f10. Anywone knows how te get rid of these artifacts? Basically - whenever there is a surface close to another surface (corner, dark inside of shelf, etc.) this happens:

    aaa.jpg
     
    redemprez, Mar 27, 2019
    #1

  2. redemprez

    redemprez

    Joined:
    Aug 14, 2017
    Posts:
    29
    Ok, probably it is due to bad material smoothness, decreasing it fixed some errors, I will investigate further.
     
    redemprez, Mar 27, 2019
    #2

  3. konsic

    konsic

    Joined:
    Oct 19, 2015
    Posts:
    995
    How long did it bake?
     
    konsic, Mar 27, 2019
    #3

  4. redemprez

    redemprez

    Joined:
    Aug 14, 2017
    Posts:
    29
    On CPU a few minutes on GPU (1080) less than a minute.
     
    redemprez, Mar 27, 2019
    #4

  5. KEngelstoft

    KEngelstoft

    Unity Technologies

    Joined:
    Aug 13, 2013
    Posts:
    1,366
    It looks like an issue with backfacing geometry. Have a look at the texel validity scene view to verify.
     
    KEngelstoft, Mar 28, 2019
    #5