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Sculpt: Fix #107068: Crash in multires unsubdivide 

A BMesh customdata offset was being pulled from
the base mesh's customdata.
This commit is contained in:
Joseph Eagar 2023-04-21 18:08:42 -07:00
parent 21b51e7b88
commit 0e82510ea2
1 changed files with 2 additions and 4 deletions
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6
source/blender/blenkernel/intern/multires_unsubdivide.cc
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@ -1020,8 +1020,6 @@ static void multires_unsubdivide_extract_grids(MultiresUnsubdivideContext *conte
* so they can be used from #BMesh. */
multires_unsubdivide_add_original_index_datalayers(base_mesh);
const int base_l_layer_index = CustomData_get_named_layer_index(
&base_mesh->ldata, CD_PROP_INT32, lname);
BMesh *bm_base_mesh = get_bmesh_from_mesh(base_mesh);
BMIter iter, iter_a, iter_b;
BMVert *v;
@ -1031,8 +1029,8 @@ static void multires_unsubdivide_extract_grids(MultiresUnsubdivideContext *conte
BM_mesh_elem_table_ensure(bm_base_mesh, BM_FACE);
/* Get the data-layer that contains the loops indices. */
const int base_l_offset = CustomData_get_n_offset(
&bm_base_mesh->ldata, CD_PROP_INT32, base_l_layer_index);
const int base_l_offset = CustomData_get_offset_named(
&bm_base_mesh->ldata, CD_PROP_INT32, lname);
const blender::OffsetIndices polys = base_mesh->polys();
const blender::Span<int> corner_verts = base_mesh->corner_verts();