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Geometry Nodes: initial Volume Grid socket support #115270

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Jacques Lucke merged 193 commits from LukasTonne/blender:volume-grid-sockets into main 2023-12-20 22:33:26 +01:00
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1 changed files with 7 additions and 1 deletions
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source/blender/blenkernel/BKE_volume_grid.hh
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@ -120,7 +120,13 @@ struct VolumeGrid : public ImplicitSharingMixin {
using GridBaseConstPtr = std::shared_ptr<const GridBase>;
protected:
/* OpenVDB grid used when there is no file cache entry. */
/**
* OpenVDB grid that is used when there is no file cache entry.
* #std::shared_ptr is used here to allow using this grid in all OpenVDB API functions that may
* require a grid pointer instead of a reference. This shared_ptr should have exactly 1 user
* since it is owned by the implicit sharing data. Sharing the #VolumeGrid will not increment the
* user count of this pointer.
*/
GridBasePtr local_grid_;
/* File cache entry when grid comes directly from a file and may be shared
* with other volume datablocks. */