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  • Problem behind glass in GPU mode

    Hi,
    here's my problem.

    A FloorGenerator floor behind glass. Ok in CPU Mode. Problem in GPU Mode.

    Click image for larger version

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    Click image for larger version

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ID:	1229917
    Windows 10 - RTX 3090 - AMD Ryzen 9 5950X - 128 Go RAM
    Sketchup PRO 25.0.571 + V-Ray 7.00.03
    3DS Max 2024.2.7 + V-Ray 6.20.06
    3DS Max 2025.3 + V-Ray 7.00.04
    Chaos Vantage 2.7.1
    GeForce Studio Ready Driver Version 572.16​

  • #2
    Hard to say what's going on without the scene. Simplify it and send it via the contact form.
    Aleksandar Hadzhiev | chaos.com
    Chaos Support Representative | contact us

    Comment


    • #3
      Scene sent. (Request #362913)
      Windows 10 - RTX 3090 - AMD Ryzen 9 5950X - 128 Go RAM
      Sketchup PRO 25.0.571 + V-Ray 7.00.03
      3DS Max 2024.2.7 + V-Ray 6.20.06
      3DS Max 2025.3 + V-Ray 7.00.04
      Chaos Vantage 2.7.1
      GeForce Studio Ready Driver Version 572.16​

      Comment


      • #4
        Thanks for the provided scene. The darkening seems to be caused by VRayPlane001, which overlaps with the floor geometry. On top of that it has Trace Reflections/Refractions off, which pronounces it. It is visible in CPU too, but milder. I doubt you need this VRayPlane, so I suggest you either delete it or reenable its refl/refr tracing to fix the issue.
        Aleksandar Hadzhiev | chaos.com
        Chaos Support Representative | contact us

        Comment


        • #5
          Thank you.
          The VRay plane is the problem.

          Why is it only a problem behind the glass?​
          Windows 10 - RTX 3090 - AMD Ryzen 9 5950X - 128 Go RAM
          Sketchup PRO 25.0.571 + V-Ray 7.00.03
          3DS Max 2024.2.7 + V-Ray 6.20.06
          3DS Max 2025.3 + V-Ray 7.00.04
          Chaos Vantage 2.7.1
          GeForce Studio Ready Driver Version 572.16​

          Comment


          • #6
            Originally posted by DCHA34 View Post
            Why is it only a problem behind the glass?​
            Because it had Visible in Reflections/Refractions off, which made the overlap visible.
            Aleksandar Hadzhiev | chaos.com
            Chaos Support Representative | contact us

            Comment

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