Grease Pencil populate draw manager method is not called when Cycles Render mode with Overlays OFF #65191
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Last source compiled at 27/05/2019
I have tested with prints the populate method and when set Cycles render and disable overlays, the method never is called.
I have tested with a simple Suzanne 2D
To reproduce.
Added subscriber: @antoniov
#65051 was marked as duplicate of this issue
Added subscribers: @fclem, @brecht
Not sure if this is for @brecht or @fclem because is related to Draw Manager.
Added subscriber: @Jeroen-Bakker
This was introduce by @Jeroen-Bakker If I recall correctly. Cycles without overlays skips the cache populate phase as it has no benefit from doing so. Maybe we need to add an exception for GPencil?
Yes, that would be the cause.
The original idea was that we would limit the loop as it was not needed and add some speedup for heavy scenes.
The challenge is that in order to detect if GPencil is needed we have to loop over all objects and check if there is an GP object. The simple implementation will need to loop in average over 50% of the objects doing a Object type check.
I see the next options.
object_type_exclusion_filter
. Not sure as this is quite hidden and GPobjects are visible by default.@brecht What do you think would be the best solution for the 2.80 release?
I tried to come up with a solution that currently works, and limits the need to loop over the objects as much as possible with the current tooling. D4962
Added subscribers: @asuralhp, @lichtwerk
Changed status from 'Open' to: 'Resolved'