Bug - object with "cast shadow" disabled and Multi/Sub-Object material applied

[Mnietek2707]

When some object have "cast shadows" turned off and have Multi/Sub-Object material applied all other objects with this material applied don't cast shadows. Regardless off "cast shadow" switch state.
V-Ray GPU 5 hotfix 2, max 2020. Max file: ERROR.zip
V-Ray CPU is OK.

[Philip Shounev]

Hi,

Thank you for the feedback. Indeed there's an issue with cast shadows option and multi-sub material. I'll notify our dev team to take a closer look at it (internal bug tracker ID: VGPU-5238 )

Best,
Philip

[Mnietek2707]

Please fix that. Vray GPU 5.2.1 still has this issue

[Martin.Minev]

Hi Mnietek2707

Sorry for the trouble caused.
We are not able to provide a timeframe for fixing this issue. We will increase the priority of the issue and notify our developers. Until this is fixed you can use a separate multi/sub-object material for the objects that don't cast shadows.

[Mnietek2707]

This bug is still alive.
V-Ray GPU 6 Hotfix 3

[Muhammed_Hamed]

This bug is still alive.
V-Ray GPU 6 Hotfix 3

Hello Mnietek2707

This issue has high priority on our development roadmap, although it is not an easy fix and will require research. We did look into this a while back, and didn't manage to fix it
That being said, we still have high priority linked to this issue for 2023, I hope we will find a solution soon

Best,
Muhammed