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Kévin Dietrich fce795415a Fix T87929: Cycles, missing update when visibility is modified ...

This issue originates from a missing BVH packing for visibility data
when it is modified.

To fix this, this adds update flags to the managers to carry the
modified visibility information from the Objects' modified flag to the
GeometryManager.

Another set of flags is added to determine which data need to be packed:
geometry, vertices, or visibility. Those flags are then used when
packing the primivites.

Reviewed By: brecht

Maniphest Tasks: T87929

Differential Revision: https://developer.blender.org/D11219

2021-05-14 02:40:43 +02:00

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