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Eevee: do not rely on the SOCK_HIDE_VALUE flag for node group sockets.

Authored by Alexander Gavrilov (angavrilov) on Aug 3 2020, 6:19 PM.



When disconnecting links for defaulted node group inputs, recurse
into the nested node group nodes, instead of checking the socket
flag. Otherwise the behavior is confusing and differs from Cycles.

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rB Blender

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Alexander Gavrilov (angavrilov) requested review of this revision.Aug 3 2020, 6:19 PM
Alexander Gavrilov (angavrilov) created this revision.

To test:

  • Add a Geometry node and plug Normal into the BSDF Normal input. Add a reroute node to the Normal link.
  • Select the reroute and BSDF, and group twice so that there are two nested groups (the outer one containing just a group node, while the inner with the reroute and bsdf).
  • Deleting the Geometry node should not break Eevee rendering.

Here is a test file for convenience - removing Geometry shouldn't break rendering:

I see that this does not remove internal links between group intpus and group nodes. It should not be a problem in practice so this patch is fine as it is.

This revision is now accepted and ready to land.Aug 5 2020, 4:29 PM