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(Open) [HOU-3689] Matte shadow discrepancy between CPU and GPU renders

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  • #1

    (Open) [HOU-3689] Matte shadow discrepancy between CPU and GPU renders

    Hello.

    I'm having a different behaviour between GPU and CPU when rendering matteshadow objects with shadows in alpha
    In CPU renders ok but in GPU is like is including the shadow of the objects and the shading of the matte object.

    I include a small scene to illustrate the problem.

    Click image for larger version Name: CPU.jpg Views: 12 Size: 401.1 KB ID: 1174320 Click image for larger version Name: GPU.jpg Views: 10 Size: 420.6 KB ID: 1174321
    Attached Files
    Last edited by Gosho.Genchev; 28-02-2023, 08:41 AM.
    www.gaell.com
    Tags: None
  • #2
    Hey gagui ,

    It appears the Shadow Bias value of the Rect light is causing this - nudging it slightly up will resolve the problem on my end.
    I'll log it for the developers to take a look.

    Best regards!
    gosho.genchev@chaosgroup.com

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    • #3
      Ok, thanks Gosho!
      www.gaell.com

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