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Fix T87441: don't remove custom attributes automatically

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In the past, custom attributes were rarely used in practice, because the
only way to use them was from Python. Since geometry nodes, more
users started to add their own attributes. Those attributes should not
be removed automatically. It is still possible to remove them in
geometry nodes explictly to improve performance.
This commit is contained in:
Jacques Lucke
2021-04-16 11:28:23 +02:00
parent 382b06c80c
commit a2e4d81849
1 changed files with 7 additions and 0 deletions
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7
source/blender/blenkernel/intern/object_update.c
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@@ -176,6 +176,13 @@ void BKE_object_handle_data_update(Depsgraph *depsgraph, Scene *scene, Object *o
CustomData_MeshMasks cddata_masks = scene->customdata_mask;
CustomData_MeshMasks_update(&cddata_masks, &CD_MASK_BAREMESH);
/* Custom attributes should not be removed automatically. They might be used by the render
* engine or scripts. They can still be removed explicitly using geometry nodes. */
cddata_masks.vmask |= CD_MASK_PROP_ALL;
cddata_masks.emask |= CD_MASK_PROP_ALL;
cddata_masks.fmask |= CD_MASK_PROP_ALL;
cddata_masks.pmask |= CD_MASK_PROP_ALL;
cddata_masks.lmask |= CD_MASK_PROP_ALL;
/* Make sure Freestyle edge/face marks appear in DM for render (see T40315).
* Due to Line Art implementation, edge marks should also be shown in viewport. */
#ifdef WITH_FREESTYLE