diff options
Diffstat (limited to 'source/blender/blenkernel/intern/mesh.cc')
| -rw-r--r-- | source/blender/blenkernel/intern/mesh.cc | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/source/blender/blenkernel/intern/mesh.cc b/source/blender/blenkernel/intern/mesh.cc index 351535a6f78..09d9b19330a 100644 --- a/source/blender/blenkernel/intern/mesh.cc +++ b/source/blender/blenkernel/intern/mesh.cc @@ -75,6 +75,8 @@ #include "BLO_read_write.h" +using blender::float3; + static void mesh_clear_geometry(Mesh *mesh); static void mesh_tessface_clear_intern(Mesh *mesh, int free_customdata); @@ -1111,16 +1113,6 @@ Mesh *BKE_mesh_new_nomain_from_template_ex(const Mesh *me_src, mesh_tessface_clear_intern(me_dst, false); } - me_dst->runtime.cd_dirty_poly = me_src->runtime.cd_dirty_poly; - me_dst->runtime.cd_dirty_vert = me_src->runtime.cd_dirty_vert; - - /* Ensure that when no normal layers exist, they are marked dirty, because - * normals might not have been included in the mask of copied layers. */ - if (!CustomData_has_layer(&me_dst->vdata, CD_NORMAL) || - !CustomData_has_layer(&me_dst->pdata, CD_NORMAL)) { - BKE_mesh_normals_tag_dirty(me_dst); - } - /* The destination mesh should at least have valid primary CD layers, * even in cases where the source mesh does not. */ mesh_ensure_cdlayers_primary(me_dst, do_tessface); @@ -2150,6 +2142,10 @@ static void split_faces_split_new_verts(Mesh *mesh, MVert *mvert = mesh->mvert; float(*vert_normals)[3] = BKE_mesh_vertex_normals_for_write(mesh); + /* Normals were already calculated at the beginning of this operation, we rely on that to update + * them partially here. */ + BLI_assert(!BKE_mesh_vertex_normals_are_dirty(mesh)); + /* Remember new_verts is a single linklist, so its items are in reversed order... */ MVert *new_mv = &mvert[mesh->totvert - 1]; for (int i = mesh->totvert - 1; i >= verts_len; i--, new_mv--, new_verts = new_verts->next) { @@ -2160,7 +2156,6 @@ static void split_faces_split_new_verts(Mesh *mesh, copy_v3_v3(vert_normals[i], new_verts->vnor); } } - BKE_mesh_vertex_normals_clear_dirty(mesh); } /* Perform actual split of edges. */ @@ -2231,6 +2226,10 @@ void BKE_mesh_split_faces(Mesh *mesh, bool free_loop_normals) /* Update pointers to a newly allocated memory. */ BKE_mesh_update_customdata_pointers(mesh, false); + /* Update normals manually to avoid recalculation after this operation. */ + mesh->runtime.vert_normals = (float(*)[3])MEM_reallocN(mesh->runtime.vert_normals, + sizeof(float[3]) * mesh->totvert); + /* Perform actual split of vertices and edges. */ split_faces_split_new_verts(mesh, new_verts, num_new_verts); if (do_edges) { |