Erik Abrahamsson 5b876b810f Fix #106776: Volume cube won't render in Cycles
In some cases the Geometry Nodes Volume Cube generates
a Volume grid that doesn't contain any leaf nodes. This can happen
when only tiles are needed to represent the volume.

This PR changes the `empty_grid` check function to also check if
there are any active tiles in the grid before returning `true`.

Pull Request: https://projects.blender.org/blender/blender/pulls/107551
2023-05-02 20:13:58 +02:00
2023-05-02 08:41:10 +10:00
2023-04-28 12:23:29 +10:00

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