Different materials on Render Instances?

[AWOLism]

Hi!

I can't seem to find any information about if Render Instances of the same object can have different materials in Octane (no material is applied to the original Reference Object).
When I try this with the old C4D Standard Renderer it seems to work, the different objects render with the correct materials, but with Octane, whatever material is the highest in the Object Manager takes over on all the objects below.

Is this expected behaviour? And is there a way around it, other than the obvious, which is switching to regular Instances?

(in the attached jpg the image in the Picture Viewer is rendered with the Standard Renderer and C4D materials)

Thanks!
Andreas

Octane_RenderInstance_Materials.zip

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[SSmolak]

If you use render instance mode composite material is needed :

[AWOLism]

I see, that's interesting, I was not even aware of the Instance Highlight node.
However, for my particular use case it is a little cumbersome and clunky to convert regular materials to submaterials. I will have to rely on the more resource intensive regular Instances for now.
Anyway, thank you for the tip!

Aoktar, I assume there are technical problems supporting unique materials on Render Instances? Would this be possible to solve in the future or is it a limitation with C4D?

Thanks!