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Fix T94495: Split edges node leads to a crash in edit mode 

If original indices exist on the input mesh, also copy them to
the BMesh used for the edge split operation so they aren't lost.

Part of D14018
This commit is contained in:
Hans Goudey 2022-02-18 10:34:00 -06:00
parent 1b47d07d76
commit 82c3bef765
Notes: blender-bot 2023-02-14 08:07:50 +01:00 
Referenced by issue #94495, Geometry nodes: Split edges node leads to a crash in edit mode
1 changed files with 3 additions and 0 deletions
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3
source/blender/nodes/geometry/nodes/node_geo_edge_split.cc
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@ -39,6 +39,9 @@ static Mesh *mesh_edge_split(const Mesh &mesh, const IndexMask selection)
BMesh *bm = BM_mesh_create(&allocsize, &bmesh_create_params);
BMeshFromMeshParams bmesh_from_mesh_params{};
bmesh_from_mesh_params.cd_mask_extra.vmask = CD_MASK_ORIGINDEX;
bmesh_from_mesh_params.cd_mask_extra.emask = CD_MASK_ORIGINDEX;
bmesh_from_mesh_params.cd_mask_extra.pmask = CD_MASK_ORIGINDEX;
BM_mesh_bm_from_me(bm, &mesh, &bmesh_from_mesh_params);
BM_mesh_elem_table_ensure(bm, BM_EDGE);