diff options
Diffstat (limited to 'source/blender/blenkernel/intern/mesh.cc')
| -rw-r--r-- | source/blender/blenkernel/intern/mesh.cc | 597 |
1 files changed, 232 insertions, 365 deletions
diff --git a/source/blender/blenkernel/intern/mesh.cc b/source/blender/blenkernel/intern/mesh.cc index 7c86aff6624..7da9acc3cf6 100644 --- a/source/blender/blenkernel/intern/mesh.cc +++ b/source/blender/blenkernel/intern/mesh.cc @@ -17,7 +17,7 @@ #include "DNA_meshdata_types.h" #include "DNA_object_types.h" -#include "BLI_bitmap.h" +#include "BLI_bit_vector.hh" #include "BLI_edgehash.h" #include "BLI_endian_switch.h" #include "BLI_ghash.h" @@ -28,14 +28,17 @@ #include "BLI_math.h" #include "BLI_math_vector.hh" #include "BLI_memarena.h" +#include "BLI_span.hh" #include "BLI_string.h" #include "BLI_task.hh" #include "BLI_utildefines.h" #include "BLI_vector.hh" +#include "BLI_virtual_array.hh" #include "BLT_translation.h" #include "BKE_anim_data.h" +#include "BKE_attribute.hh" #include "BKE_bpath.h" #include "BKE_deform.h" #include "BKE_editmesh.h" @@ -47,6 +50,7 @@ #include "BKE_main.h" #include "BKE_material.h" #include "BKE_mesh.h" +#include "BKE_mesh_legacy_convert.h" #include "BKE_mesh_runtime.h" #include "BKE_mesh_wrapper.h" #include "BKE_modifier.h" @@ -60,7 +64,11 @@ #include "BLO_read_write.h" +using blender::BitVector; using blender::float3; +using blender::MutableSpan; +using blender::Span; +using blender::VArray; using blender::Vector; static void mesh_clear_geometry(Mesh *mesh); @@ -95,6 +103,10 @@ static void mesh_copy_data(Main *bmain, ID *id_dst, const ID *id_src, const int const Mesh *mesh_src = (const Mesh *)id_src; BKE_mesh_runtime_reset_on_copy(mesh_dst, flag); + /* Copy face dot tags, since meshes may be duplicated after a subsurf modifier + * or node, but we still need to be able to draw face center vertices. */ + mesh_dst->runtime.subsurf_face_dot_tags = static_cast<uint32_t *>( + MEM_dupallocN(mesh_src->runtime.subsurf_face_dot_tags)); if ((mesh_src->id.tag & LIB_TAG_NO_MAIN) == 0) { /* This is a direct copy of a main mesh, so for now it has the same topology. */ mesh_dst->runtime.deformed_only = true; @@ -108,7 +120,7 @@ static void mesh_copy_data(Main *bmain, ID *id_dst, const ID *id_src, const int * * While this could be the callers responsibility, keep here since it's * highly unlikely we want to create a duplicate and not use it for drawing. */ - mesh_dst->runtime.is_original = false; + mesh_dst->runtime.is_original_bmesh = false; /* Only do tessface if we have no polys. */ const bool do_tessface = ((mesh_src->totface != 0) && (mesh_src->totpoly == 0)); @@ -136,8 +148,6 @@ static void mesh_copy_data(Main *bmain, ID *id_dst, const ID *id_src, const int mesh_tessface_clear_intern(mesh_dst, false); } - BKE_mesh_update_customdata_pointers(mesh_dst, do_tessface); - mesh_dst->cd_flag = mesh_src->cd_flag; mesh_dst->edit_mesh = nullptr; @@ -207,6 +217,7 @@ static void mesh_foreach_path(ID *id, BPathForeachPathData *bpath_data) static void mesh_blend_write(BlendWriter *writer, ID *id, const void *id_address) { + using namespace blender; Mesh *mesh = (Mesh *)id; const bool is_undo = BLO_write_is_undo(writer); @@ -223,27 +234,39 @@ static void mesh_blend_write(BlendWriter *writer, ID *id, const void *id_address /* Do not store actual geometry data in case this is a library override ID. */ if (ID_IS_OVERRIDE_LIBRARY(mesh) && !is_undo) { - mesh->mvert = nullptr; mesh->totvert = 0; memset(&mesh->vdata, 0, sizeof(mesh->vdata)); - mesh->medge = nullptr; mesh->totedge = 0; memset(&mesh->edata, 0, sizeof(mesh->edata)); - mesh->mloop = nullptr; mesh->totloop = 0; memset(&mesh->ldata, 0, sizeof(mesh->ldata)); - mesh->mpoly = nullptr; mesh->totpoly = 0; memset(&mesh->pdata, 0, sizeof(mesh->pdata)); } else { - CustomData_blend_write_prepare(mesh->vdata, vert_layers); - CustomData_blend_write_prepare(mesh->edata, edge_layers); - CustomData_blend_write_prepare(mesh->ldata, loop_layers); - CustomData_blend_write_prepare(mesh->pdata, poly_layers); + Set<std::string> names_to_skip; + if (!BLO_write_is_undo(writer)) { + BKE_mesh_legacy_convert_hide_layers_to_flags(mesh); + BKE_mesh_legacy_convert_material_indices_to_mpoly(mesh); + BKE_mesh_legacy_bevel_weight_from_layers(mesh); + /* When converting to the old mesh format, don't save redundant attributes. */ + names_to_skip.add_multiple_new({".hide_vert", ".hide_edge", ".hide_poly", "material_index"}); + + /* Set deprecated mesh data pointers for forward compatibility. */ + mesh->mvert = const_cast<MVert *>(mesh->verts().data()); + mesh->medge = const_cast<MEdge *>(mesh->edges().data()); + mesh->mpoly = const_cast<MPoly *>(mesh->polys().data()); + mesh->mloop = const_cast<MLoop *>(mesh->loops().data()); + mesh->dvert = const_cast<MDeformVert *>(mesh->deform_verts().data()); + } + + CustomData_blend_write_prepare(mesh->vdata, vert_layers, names_to_skip); + CustomData_blend_write_prepare(mesh->edata, edge_layers, names_to_skip); + CustomData_blend_write_prepare(mesh->ldata, loop_layers, names_to_skip); + CustomData_blend_write_prepare(mesh->pdata, poly_layers, names_to_skip); } BLO_write_id_struct(writer, Mesh, id_address, &mesh->id); @@ -276,26 +299,22 @@ static void mesh_blend_read_data(BlendDataReader *reader, ID *id) Mesh *mesh = (Mesh *)id; BLO_read_pointer_array(reader, (void **)&mesh->mat); + /* Deprecated pointers to custom data layers are read here for backward compatibility + * with files where these were owning pointers rather than a view into custom data. */ BLO_read_data_address(reader, &mesh->mvert); BLO_read_data_address(reader, &mesh->medge); BLO_read_data_address(reader, &mesh->mface); - BLO_read_data_address(reader, &mesh->mloop); - BLO_read_data_address(reader, &mesh->mpoly); - BLO_read_data_address(reader, &mesh->tface); BLO_read_data_address(reader, &mesh->mtface); - BLO_read_data_address(reader, &mesh->mcol); BLO_read_data_address(reader, &mesh->dvert); - BLO_read_data_address(reader, &mesh->mloopcol); - BLO_read_data_address(reader, &mesh->mloopuv); + BLO_read_data_address(reader, &mesh->tface); + BLO_read_data_address(reader, &mesh->mcol); + BLO_read_data_address(reader, &mesh->mselect); /* animdata */ BLO_read_data_address(reader, &mesh->adt); BKE_animdata_blend_read_data(reader, mesh->adt); - /* Normally BKE_defvert_blend_read should be called in CustomData_blend_read, - * but for backwards compatibility in do_versions to work we do it here. */ - BKE_defvert_blend_read(reader, mesh->totvert, mesh->dvert); BLO_read_list(reader, &mesh->vertex_group_names); CustomData_blend_read(reader, &mesh->vdata, mesh->totvert); @@ -303,6 +322,11 @@ static void mesh_blend_read_data(BlendDataReader *reader, ID *id) CustomData_blend_read(reader, &mesh->fdata, mesh->totface); CustomData_blend_read(reader, &mesh->ldata, mesh->totloop); CustomData_blend_read(reader, &mesh->pdata, mesh->totpoly); + if (mesh->deform_verts().is_empty()) { + /* Vertex group data was also an owning pointer in old Blender versions. + * Don't read them again if they were read as part of #CustomData. */ + BKE_defvert_blend_read(reader, mesh->totvert, mesh->dvert); + } mesh->texflag &= ~ME_AUTOSPACE_EVALUATED; mesh->edit_mesh = nullptr; @@ -374,7 +398,7 @@ IDTypeInfo IDType_ID_ME = { /* foreach_id */ mesh_foreach_id, /* foreach_cache */ nullptr, /* foreach_path */ mesh_foreach_path, - /* owner_get */ nullptr, + /* owner_pointer_get */ nullptr, /* blend_write */ mesh_blend_write, /* blend_read_data */ mesh_blend_read_data, @@ -444,6 +468,8 @@ static int customdata_compare( CD_MASK_MLOOPUV | CD_MASK_PROP_BYTE_COLOR | CD_MASK_MDEFORMVERT; const uint64_t cd_mask_all_attr = CD_MASK_PROP_ALL | cd_mask_non_generic; + const Span<MLoop> loops_1 = m1->loops(); + const Span<MLoop> loops_2 = m2->loops(); for (int i = 0; i < c1->totlayer; i++) { l1 = &c1->layers[i]; @@ -460,7 +486,8 @@ static int customdata_compare( } if (layer_count1 != layer_count2) { - return MESHCMP_CDLAYERS_MISMATCH; + /* TODO(@HooglyBoogly): Reenable after tests are updated for material index refactor. */ + // return MESHCMP_CDLAYERS_MISMATCH; } l1 = c1->layers; @@ -518,15 +545,14 @@ static int customdata_compare( int ptot = m1->totpoly; for (j = 0; j < ptot; j++, p1++, p2++) { - MLoop *lp1, *lp2; int k; if (p1->totloop != p2->totloop) { return MESHCMP_POLYMISMATCH; } - lp1 = m1->mloop + p1->loopstart; - lp2 = m2->mloop + p2->loopstart; + const MLoop *lp1 = &loops_1[p1->loopstart]; + const MLoop *lp2 = &loops_2[p2->loopstart]; for (k = 0; k < p1->totloop; k++, lp1++, lp2++) { if (lp1->v != lp2->v) { @@ -737,47 +763,6 @@ const char *BKE_mesh_cmp(Mesh *me1, Mesh *me2, float thresh) return nullptr; } -static void mesh_ensure_tessellation_customdata(Mesh *me) -{ - if (UNLIKELY((me->totface != 0) && (me->totpoly == 0))) { - /* Pass, otherwise this function clears 'mface' before - * versioning 'mface -> mpoly' code kicks in T30583. - * - * Callers could also check but safer to do here - campbell */ - } - else { - const int tottex_original = CustomData_number_of_layers(&me->ldata, CD_MLOOPUV); - const int totcol_original = CustomData_number_of_layers(&me->ldata, CD_PROP_BYTE_COLOR); - - const int tottex_tessface = CustomData_number_of_layers(&me->fdata, CD_MTFACE); - const int totcol_tessface = CustomData_number_of_layers(&me->fdata, CD_MCOL); - - if (tottex_tessface != tottex_original || totcol_tessface != totcol_original) { - BKE_mesh_tessface_clear(me); - - CustomData_from_bmeshpoly(&me->fdata, &me->ldata, me->totface); - - /* TODO: add some `--debug-mesh` option. */ - if (G.debug & G_DEBUG) { - /* NOTE(campbell): this warning may be un-called for if we are initializing the mesh for - * the first time from #BMesh, rather than giving a warning about this we could be smarter - * and check if there was any data to begin with, for now just print the warning with - * some info to help troubleshoot what's going on. */ - printf( - "%s: warning! Tessellation uvs or vcol data got out of sync, " - "had to reset!\n CD_MTFACE: %d != CD_MLOOPUV: %d || CD_MCOL: %d != " - "CD_PROP_BYTE_COLOR: " - "%d\n", - __func__, - tottex_tessface, - tottex_original, - totcol_tessface, - totcol_original); - } - } - } -} - void BKE_mesh_ensure_skin_customdata(Mesh *me) { BMesh *bm = me->edit_mesh ? me->edit_mesh->bm : nullptr; @@ -801,7 +786,7 @@ void BKE_mesh_ensure_skin_customdata(Mesh *me) else { if (!CustomData_has_layer(&me->vdata, CD_MVERT_SKIN)) { vs = (MVertSkin *)CustomData_add_layer( - &me->vdata, CD_MVERT_SKIN, CD_DEFAULT, nullptr, me->totvert); + &me->vdata, CD_MVERT_SKIN, CD_SET_DEFAULT, nullptr, me->totvert); /* Mark an arbitrary vertex as root */ if (vs) { @@ -823,7 +808,7 @@ bool BKE_mesh_ensure_facemap_customdata(struct Mesh *me) } else { if (!CustomData_has_layer(&me->pdata, CD_FACEMAP)) { - CustomData_add_layer(&me->pdata, CD_FACEMAP, CD_DEFAULT, nullptr, me->totpoly); + CustomData_add_layer(&me->pdata, CD_FACEMAP, CD_SET_DEFAULT, nullptr, me->totpoly); changed = true; } } @@ -849,43 +834,6 @@ bool BKE_mesh_clear_facemap_customdata(struct Mesh *me) return changed; } -/** - * This ensures grouped custom-data (e.g. #CD_MLOOPUV and #CD_MTFACE, or - * #CD_PROP_BYTE_COLOR and #CD_MCOL) have the same relative active/render/clone/mask indices. - * - * NOTE(@campbellbarton): that for undo mesh data we want to skip 'ensure_tess_cd' call since - * we don't want to store memory for #MFace data when its only used for older - * versions of the mesh. - */ -static void mesh_update_linked_customdata(Mesh *me, const bool do_ensure_tess_cd) -{ - if (do_ensure_tess_cd) { - mesh_ensure_tessellation_customdata(me); - } - - CustomData_bmesh_update_active_layers(&me->fdata, &me->ldata); -} - -void BKE_mesh_update_customdata_pointers(Mesh *me, const bool do_ensure_tess_cd) -{ - mesh_update_linked_customdata(me, do_ensure_tess_cd); - - me->mvert = (MVert *)CustomData_get_layer(&me->vdata, CD_MVERT); - me->dvert = (MDeformVert *)CustomData_get_layer(&me->vdata, CD_MDEFORMVERT); - - me->medge = (MEdge *)CustomData_get_layer(&me->edata, CD_MEDGE); - - me->mface = (MFace *)CustomData_get_layer(&me->fdata, CD_MFACE); - me->mcol = (MCol *)CustomData_get_layer(&me->fdata, CD_MCOL); - me->mtface = (MTFace *)CustomData_get_layer(&me->fdata, CD_MTFACE); - - me->mpoly = (MPoly *)CustomData_get_layer(&me->pdata, CD_MPOLY); - me->mloop = (MLoop *)CustomData_get_layer(&me->ldata, CD_MLOOP); - - me->mloopcol = (MLoopCol *)CustomData_get_layer(&me->ldata, CD_PROP_BYTE_COLOR); - me->mloopuv = (MLoopUV *)CustomData_get_layer(&me->ldata, CD_MLOOPUV); -} - bool BKE_mesh_has_custom_loop_normals(Mesh *me) { if (me->edit_mesh) { @@ -930,12 +878,11 @@ static void mesh_clear_geometry(Mesh *mesh) mesh->act_face = -1; mesh->totselect = 0; - BKE_mesh_update_customdata_pointers(mesh, false); + BLI_freelistN(&mesh->vertex_group_names); } void BKE_mesh_clear_geometry(Mesh *mesh) { - BKE_animdata_free(&mesh->id, false); BKE_mesh_runtime_clear_cache(mesh); mesh_clear_geometry(mesh); } @@ -949,9 +896,6 @@ static void mesh_tessface_clear_intern(Mesh *mesh, int free_customdata) CustomData_reset(&mesh->fdata); } - mesh->mface = nullptr; - mesh->mtface = nullptr; - mesh->mcol = nullptr; mesh->totface = 0; } @@ -966,20 +910,20 @@ Mesh *BKE_mesh_add(Main *bmain, const char *name) static void mesh_ensure_cdlayers_primary(Mesh *mesh, bool do_tessface) { if (!CustomData_get_layer(&mesh->vdata, CD_MVERT)) { - CustomData_add_layer(&mesh->vdata, CD_MVERT, CD_CALLOC, nullptr, mesh->totvert); + CustomData_add_layer(&mesh->vdata, CD_MVERT, CD_SET_DEFAULT, nullptr, mesh->totvert); } if (!CustomData_get_layer(&mesh->edata, CD_MEDGE)) { - CustomData_add_layer(&mesh->edata, CD_MEDGE, CD_CALLOC, nullptr, mesh->totedge); + CustomData_add_layer(&mesh->edata, CD_MEDGE, CD_SET_DEFAULT, nullptr, mesh->totedge); } if (!CustomData_get_layer(&mesh->ldata, CD_MLOOP)) { - CustomData_add_layer(&mesh->ldata, CD_MLOOP, CD_CALLOC, nullptr, mesh->totloop); + CustomData_add_layer(&mesh->ldata, CD_MLOOP, CD_SET_DEFAULT, nullptr, mesh->totloop); } if (!CustomData_get_layer(&mesh->pdata, CD_MPOLY)) { - CustomData_add_layer(&mesh->pdata, CD_MPOLY, CD_CALLOC, nullptr, mesh->totpoly); + CustomData_add_layer(&mesh->pdata, CD_MPOLY, CD_SET_DEFAULT, nullptr, mesh->totpoly); } if (do_tessface && !CustomData_get_layer(&mesh->fdata, CD_MFACE)) { - CustomData_add_layer(&mesh->fdata, CD_MFACE, CD_CALLOC, nullptr, mesh->totface); + CustomData_add_layer(&mesh->fdata, CD_MFACE, CD_SET_DEFAULT, nullptr, mesh->totface); } } @@ -1004,7 +948,6 @@ Mesh *BKE_mesh_new_nomain( mesh->totpoly = polys_len; mesh_ensure_cdlayers_primary(mesh, true); - BKE_mesh_update_customdata_pointers(mesh, false); return mesh; } @@ -1029,6 +972,7 @@ void BKE_mesh_copy_parameters(Mesh *me_dst, const Mesh *me_src) copy_v3_v3(me_dst->size, me_src->size); me_dst->vertex_group_active_index = me_src->vertex_group_active_index; + me_dst->attributes_active_index = me_src->attributes_active_index; } void BKE_mesh_copy_parameters_for_eval(Mesh *me_dst, const Mesh *me_src) @@ -1076,12 +1020,12 @@ Mesh *BKE_mesh_new_nomain_from_template_ex(const Mesh *me_src, me_dst->cd_flag = me_src->cd_flag; BKE_mesh_copy_parameters_for_eval(me_dst, me_src); - CustomData_copy(&me_src->vdata, &me_dst->vdata, mask.vmask, CD_CALLOC, verts_len); - CustomData_copy(&me_src->edata, &me_dst->edata, mask.emask, CD_CALLOC, edges_len); - CustomData_copy(&me_src->ldata, &me_dst->ldata, mask.lmask, CD_CALLOC, loops_len); - CustomData_copy(&me_src->pdata, &me_dst->pdata, mask.pmask, CD_CALLOC, polys_len); + CustomData_copy(&me_src->vdata, &me_dst->vdata, mask.vmask, CD_SET_DEFAULT, verts_len); + CustomData_copy(&me_src->edata, &me_dst->edata, mask.emask, CD_SET_DEFAULT, edges_len); + CustomData_copy(&me_src->ldata, &me_dst->ldata, mask.lmask, CD_SET_DEFAULT, loops_len); + CustomData_copy(&me_src->pdata, &me_dst->pdata, mask.pmask, CD_SET_DEFAULT, polys_len); if (do_tessface) { - CustomData_copy(&me_src->fdata, &me_dst->fdata, mask.fmask, CD_CALLOC, tessface_len); + CustomData_copy(&me_src->fdata, &me_dst->fdata, mask.fmask, CD_SET_DEFAULT, tessface_len); } else { mesh_tessface_clear_intern(me_dst, false); @@ -1090,7 +1034,6 @@ Mesh *BKE_mesh_new_nomain_from_template_ex(const Mesh *me_src, /* 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); - BKE_mesh_update_customdata_pointers(me_dst, false); /* Expect that normals aren't copied at all, since the destination mesh is new. */ BLI_assert(BKE_mesh_vertex_normals_are_dirty(me_dst)); @@ -1182,13 +1125,18 @@ static void ensure_orig_index_layer(CustomData &data, const int size) if (CustomData_has_layer(&data, CD_ORIGINDEX)) { return; } - int *indices = (int *)CustomData_add_layer(&data, CD_ORIGINDEX, CD_DEFAULT, nullptr, size); + int *indices = (int *)CustomData_add_layer(&data, CD_ORIGINDEX, CD_SET_DEFAULT, nullptr, size); range_vn_i(indices, size, 0); } void BKE_mesh_ensure_default_orig_index_customdata(Mesh *mesh) { BLI_assert(mesh->runtime.wrapper_type == ME_WRAPPER_TYPE_MDATA); + BKE_mesh_ensure_default_orig_index_customdata_no_check(mesh); +} + +void BKE_mesh_ensure_default_orig_index_customdata_no_check(Mesh *mesh) +{ ensure_orig_index_layer(mesh->vdata, mesh->totvert); ensure_orig_index_layer(mesh->edata, mesh->totedge); ensure_orig_index_layer(mesh->pdata, mesh->totpoly); @@ -1308,11 +1256,12 @@ float (*BKE_mesh_orco_verts_get(Object *ob))[3] /* Get appropriate vertex coordinates */ float(*vcos)[3] = (float(*)[3])MEM_calloc_arrayN(me->totvert, sizeof(*vcos), "orco mesh"); - MVert *mvert = tme->mvert; + const Span<MVert> verts = tme->verts(); + int totvert = min_ii(tme->totvert, me->totvert); - for (int a = 0; a < totvert; a++, mvert++) { - copy_v3_v3(vcos[a], mvert->co); + for (int a = 0; a < totvert; a++) { + copy_v3_v3(vcos[a], verts[a].co); } return vcos; @@ -1352,74 +1301,6 @@ void BKE_mesh_orco_ensure(Object *ob, Mesh *mesh) CustomData_add_layer(&mesh->vdata, CD_ORCO, CD_ASSIGN, orcodata, mesh->totvert); } -int BKE_mesh_mface_index_validate(MFace *mface, CustomData *fdata, int mfindex, int nr) -{ - /* first test if the face is legal */ - if ((mface->v3 || nr == 4) && mface->v3 == mface->v4) { - mface->v4 = 0; - nr--; - } - if ((mface->v2 || mface->v4) && mface->v2 == mface->v3) { - mface->v3 = mface->v4; - mface->v4 = 0; - nr--; - } - if (mface->v1 == mface->v2) { - mface->v2 = mface->v3; - mface->v3 = mface->v4; - mface->v4 = 0; - nr--; - } - - /* Check corrupt cases, bow-tie geometry, - * can't handle these because edge data won't exist so just return 0. */ - if (nr == 3) { - if ( - /* real edges */ - mface->v1 == mface->v2 || mface->v2 == mface->v3 || mface->v3 == mface->v1) { - return 0; - } - } - else if (nr == 4) { - if ( - /* real edges */ - mface->v1 == mface->v2 || mface->v2 == mface->v3 || mface->v3 == mface->v4 || - mface->v4 == mface->v1 || - /* across the face */ - mface->v1 == mface->v3 || mface->v2 == mface->v4) { - return 0; - } - } - - /* prevent a zero at wrong index location */ - if (nr == 3) { - if (mface->v3 == 0) { - static int corner_indices[4] = {1, 2, 0, 3}; - - SWAP(uint, mface->v1, mface->v2); - SWAP(uint, mface->v2, mface->v3); - - if (fdata) { - CustomData_swap_corners(fdata, mfindex, corner_indices); - } - } - } - else if (nr == 4) { - if (mface->v3 == 0 || mface->v4 == 0) { - static int corner_indices[4] = {2, 3, 0, 1}; - - SWAP(uint, mface->v1, mface->v3); - SWAP(uint, mface->v2, mface->v4); - - if (fdata) { - CustomData_swap_corners(fdata, mfindex, corner_indices); - } - } - } - - return nr; -} - Mesh *BKE_mesh_from_object(Object *ob) { if (ob == nullptr) { @@ -1458,61 +1339,57 @@ void BKE_mesh_assign_object(Main *bmain, Object *ob, Mesh *me) void BKE_mesh_material_index_remove(Mesh *me, short index) { - MPoly *mp; - MFace *mf; - int i; - - for (mp = me->mpoly, i = 0; i < me->totpoly; i++, mp++) { - if (mp->mat_nr && mp->mat_nr >= index) { - mp->mat_nr--; - } + using namespace blender; + using namespace blender::bke; + MutableAttributeAccessor attributes = me->attributes_for_write(); + AttributeWriter<int> material_indices = attributes.lookup_for_write<int>("material_index"); + if (!material_indices) { + return; } - - for (mf = me->mface, i = 0; i < me->totface; i++, mf++) { - if (mf->mat_nr && mf->mat_nr >= index) { - mf->mat_nr--; + if (material_indices.domain != ATTR_DOMAIN_FACE) { + BLI_assert_unreachable(); + return; + } + MutableVArraySpan<int> indices_span(material_indices.varray); + for (const int i : indices_span.index_range()) { + if (indices_span[i] > 0 && indices_span[i] > index) { + indices_span[i]--; } } + indices_span.save(); + material_indices.finish(); + + BKE_mesh_tessface_clear(me); } bool BKE_mesh_material_index_used(Mesh *me, short index) { - MPoly *mp; - MFace *mf; - int i; - - for (mp = me->mpoly, i = 0; i < me->totpoly; i++, mp++) { - if (mp->mat_nr == index) { - return true; - } - } - - for (mf = me->mface, i = 0; i < me->totface; i++, mf++) { - if (mf->mat_nr == index) { - return true; - } + using namespace blender; + using namespace blender::bke; + const AttributeAccessor attributes = me->attributes(); + const VArray<int> material_indices = attributes.lookup_or_default<int>( + "material_index", ATTR_DOMAIN_FACE, 0); + if (material_indices.is_single()) { + return material_indices.get_internal_single() == index; } - - return false; + const VArraySpan<int> indices_span(material_indices); + return indices_span.contains(index); } void BKE_mesh_material_index_clear(Mesh *me) { - MPoly *mp; - MFace *mf; - int i; - - for (mp = me->mpoly, i = 0; i < me->totpoly; i++, mp++) { - mp->mat_nr = 0; - } + using namespace blender; + using namespace blender::bke; + MutableAttributeAccessor attributes = me->attributes_for_write(); + attributes.remove("material_index"); - for (mf = me->mface, i = 0; i < me->totface; i++, mf++) { - mf->mat_nr = 0; - } + BKE_mesh_tessface_clear(me); } void BKE_mesh_material_remap(Mesh *me, const uint *remap, uint remap_len) { + using namespace blender; + using namespace blender::bke; const short remap_len_short = (short)remap_len; #define MAT_NR_REMAP(n) \ @@ -1532,10 +1409,17 @@ void BKE_mesh_material_remap(Mesh *me, const uint *remap, uint remap_len) } } else { - int i; - for (i = 0; i < me->totpoly; i++) { - MAT_NR_REMAP(me->mpoly[i].mat_nr); + MutableAttributeAccessor attributes = me->attributes_for_write(); + SpanAttributeWriter<int> material_indices = attributes.lookup_or_add_for_write_span<int>( + "material_index", ATTR_DOMAIN_FACE); + if (!material_indices) { + return; + } + for (const int i : material_indices.span.index_range()) { + MAT_NR_REMAP(material_indices.span[i]); } + material_indices.span.save(); + material_indices.finish(); } #undef MAT_NR_REMAP @@ -1543,14 +1427,15 @@ void BKE_mesh_material_remap(Mesh *me, const uint *remap, uint remap_len) void BKE_mesh_smooth_flag_set(Mesh *me, const bool use_smooth) { + MutableSpan<MPoly> polys = me->polys_for_write(); if (use_smooth) { - for (int i = 0; i < me->totpoly; i++) { - me->mpoly[i].flag |= ME_SMOOTH; + for (MPoly &poly : polys) { + poly.flag |= ME_SMOOTH; } } else { - for (int i = 0; i < me->totpoly; i++) { - me->mpoly[i].flag &= ~ME_SMOOTH; + for (MPoly &poly : polys) { + poly.flag &= ~ME_SMOOTH; } } } @@ -1606,9 +1491,12 @@ int BKE_mesh_edge_other_vert(const MEdge *e, int v) void BKE_mesh_looptri_get_real_edges(const Mesh *mesh, const MLoopTri *looptri, int r_edges[3]) { + const Span<MEdge> edges = mesh->edges(); + const Span<MLoop> loops = mesh->loops(); + for (int i = 2, i_next = 0; i_next < 3; i = i_next++) { - const MLoop *l1 = &mesh->mloop[looptri->tri[i]], *l2 = &mesh->mloop[looptri->tri[i_next]]; - const MEdge *e = &mesh->medge[l1->e]; + const MLoop *l1 = &loops[looptri->tri[i]], *l2 = &loops[looptri->tri[i_next]]; + const MEdge *e = &edges[l1->e]; bool is_real = (l1->v == e->v1 && l2->v == e->v2) || (l1->v == e->v2 && l2->v == e->v1); @@ -1627,15 +1515,16 @@ bool BKE_mesh_minmax(const Mesh *me, float r_min[3], float r_max[3]) float3 min; float3 max; }; + const Span<MVert> verts = me->verts(); const Result minmax = threading::parallel_reduce( - IndexRange(me->totvert), + verts.index_range(), 1024, Result{float3(FLT_MAX), float3(-FLT_MAX)}, - [&](IndexRange range, const Result &init) { + [verts](IndexRange range, const Result &init) { Result result = init; for (const int i : range) { - math::min_max(float3(me->mvert[i].co), result.min, result.max); + math::min_max(float3(verts[i].co), result.min, result.max); } return result; }, @@ -1651,22 +1540,16 @@ bool BKE_mesh_minmax(const Mesh *me, float r_min[3], float r_max[3]) void BKE_mesh_transform(Mesh *me, const float mat[4][4], bool do_keys) { - int i; - MVert *mvert = (MVert *)CustomData_duplicate_referenced_layer(&me->vdata, CD_MVERT, me->totvert); - float(*lnors)[3] = (float(*)[3])CustomData_duplicate_referenced_layer( - &me->ldata, CD_NORMAL, me->totloop); - - /* If the referenced layer has been re-allocated need to update pointers stored in the mesh. */ - BKE_mesh_update_customdata_pointers(me, false); + MutableSpan<MVert> verts = me->verts_for_write(); - for (i = 0; i < me->totvert; i++, mvert++) { - mul_m4_v3(mat, mvert->co); + for (MVert &vert : verts) { + mul_m4_v3(mat, vert.co); } if (do_keys && me->key) { LISTBASE_FOREACH (KeyBlock *, kb, &me->key->block) { float *fp = (float *)kb->data; - for (i = kb->totelem; i--; fp += 3) { + for (int i = kb->totelem; i--; fp += 3) { mul_m4_v3(mat, fp); } } @@ -1675,29 +1558,28 @@ void BKE_mesh_transform(Mesh *me, const float mat[4][4], bool do_keys) /* don't update normals, caller can do this explicitly. * We do update loop normals though, those may not be auto-generated * (see e.g. STL import script)! */ + float(*lnors)[3] = (float(*)[3])CustomData_duplicate_referenced_layer( + &me->ldata, CD_NORMAL, me->totloop); if (lnors) { float m3[3][3]; copy_m3_m4(m3, mat); normalize_m3(m3); - for (i = 0; i < me->totloop; i++, lnors++) { + for (int i = 0; i < me->totloop; i++, lnors++) { mul_m3_v3(m3, *lnors); } } - BKE_mesh_normals_tag_dirty(me); + BKE_mesh_tag_coords_changed(me); } void BKE_mesh_translate(Mesh *me, const float offset[3], const bool do_keys) { - CustomData_duplicate_referenced_layer(&me->vdata, CD_MVERT, me->totvert); - /* If the referenced layer has been re-allocated need to update pointers stored in the mesh. */ - BKE_mesh_update_customdata_pointers(me, false); - - int i = me->totvert; - for (MVert *mvert = me->mvert; i--; mvert++) { - add_v3_v3(mvert->co, offset); + MutableSpan<MVert> verts = me->verts_for_write(); + for (MVert &vert : verts) { + add_v3_v3(vert.co, offset); } + int i; if (do_keys && me->key) { LISTBASE_FOREACH (KeyBlock *, kb, &me->key->block) { float *fp = (float *)kb->data; @@ -1706,13 +1588,7 @@ void BKE_mesh_translate(Mesh *me, const float offset[3], const bool do_keys) } } } -} - -void BKE_mesh_tessface_ensure(Mesh *mesh) -{ - if (mesh->totpoly && mesh->totface == 0) { - BKE_mesh_tessface_calc(mesh); - } + BKE_mesh_tag_coords_changed_uniformly(me); } void BKE_mesh_tessface_clear(Mesh *mesh) @@ -1726,25 +1602,24 @@ void BKE_mesh_do_versions_cd_flag_init(Mesh *mesh) return; } - MVert *mv; - MEdge *med; - int i; + const Span<MVert> verts = mesh->verts(); + const Span<MEdge> edges = mesh->edges(); - for (mv = mesh->mvert, i = 0; i < mesh->totvert; mv++, i++) { - if (mv->bweight != 0) { + for (const MVert &vert : verts) { + if (vert.bweight_legacy != 0) { mesh->cd_flag |= ME_CDFLAG_VERT_BWEIGHT; break; } } - for (med = mesh->medge, i = 0; i < mesh->totedge; med++, i++) { - if (med->bweight != 0) { + for (const MEdge &edge : edges) { + if (edge.bweight_legacy != 0) { mesh->cd_flag |= ME_CDFLAG_EDGE_BWEIGHT; if (mesh->cd_flag & ME_CDFLAG_EDGE_CREASE) { break; } } - if (med->crease != 0) { + if (edge.crease != 0) { mesh->cd_flag |= ME_CDFLAG_EDGE_CREASE; if (mesh->cd_flag & ME_CDFLAG_EDGE_BWEIGHT) { break; @@ -1770,6 +1645,9 @@ void BKE_mesh_mselect_validate(Mesh *me) if (me->totselect == 0) { return; } + const Span<MVert> verts = me->verts(); + const Span<MEdge> edges = me->edges(); + const Span<MPoly> polys = me->polys(); mselect_src = me->mselect; mselect_dst = (MSelect *)MEM_malloc_arrayN( @@ -1779,21 +1657,21 @@ void BKE_mesh_mselect_validate(Mesh *me) int index = mselect_src[i_src].index; switch (mselect_src[i_src].type) { case ME_VSEL: { - if (me->mvert[index].flag & SELECT) { + if (verts[index].flag & SELECT) { mselect_dst[i_dst] = mselect_src[i_src]; i_dst++; } break; } case ME_ESEL: { - if (me->medge[index].flag & SELECT) { + if (edges[index].flag & SELECT) { mselect_dst[i_dst] = mselect_src[i_src]; i_dst++; } break; } case ME_FSEL: { - if (me->mpoly[index].flag & SELECT) { + if (polys[index].flag & SELECT) { mselect_dst[i_dst] = mselect_src[i_src]; i_dst++; } @@ -1879,10 +1757,10 @@ void BKE_mesh_count_selected_items(const Mesh *mesh, int r_count[3]) void BKE_mesh_vert_coords_get(const Mesh *mesh, float (*vert_coords)[3]) { - const MVert *mv = mesh->mvert; - for (int i = 0; i < mesh->totvert; i++, mv++) { - copy_v3_v3(vert_coords[i], mv->co); - } + blender::bke::AttributeAccessor attributes = mesh->attributes(); + VArray<float3> positions = attributes.lookup_or_default( + "position", ATTR_DOMAIN_POINT, float3(0)); + positions.materialize({(float3 *)vert_coords, mesh->totvert}); } float (*BKE_mesh_vert_coords_alloc(const Mesh *mesh, int *r_vert_len))[3] @@ -1897,33 +1775,43 @@ float (*BKE_mesh_vert_coords_alloc(const Mesh *mesh, int *r_vert_len))[3] void BKE_mesh_vert_coords_apply(Mesh *mesh, const float (*vert_coords)[3]) { - /* This will just return the pointer if it wasn't a referenced layer. */ - MVert *mv = (MVert *)CustomData_duplicate_referenced_layer( - &mesh->vdata, CD_MVERT, mesh->totvert); - mesh->mvert = mv; - for (int i = 0; i < mesh->totvert; i++, mv++) { - copy_v3_v3(mv->co, vert_coords[i]); + MutableSpan<MVert> verts = mesh->verts_for_write(); + for (const int i : verts.index_range()) { + copy_v3_v3(verts[i].co, vert_coords[i]); } - BKE_mesh_normals_tag_dirty(mesh); + BKE_mesh_tag_coords_changed(mesh); } void BKE_mesh_vert_coords_apply_with_mat4(Mesh *mesh, const float (*vert_coords)[3], const float mat[4][4]) { - /* This will just return the pointer if it wasn't a referenced layer. */ - MVert *mv = (MVert *)CustomData_duplicate_referenced_layer( - &mesh->vdata, CD_MVERT, mesh->totvert); - mesh->mvert = mv; - for (int i = 0; i < mesh->totvert; i++, mv++) { - mul_v3_m4v3(mv->co, mat, vert_coords[i]); + MutableSpan<MVert> verts = mesh->verts_for_write(); + for (const int i : verts.index_range()) { + mul_v3_m4v3(verts[i].co, mat, vert_coords[i]); } - BKE_mesh_normals_tag_dirty(mesh); + BKE_mesh_tag_coords_changed(mesh); } -void BKE_mesh_calc_normals_split_ex(Mesh *mesh, MLoopNorSpaceArray *r_lnors_spacearr) +static float (*ensure_corner_normal_layer(Mesh &mesh))[3] { float(*r_loopnors)[3]; + if (CustomData_has_layer(&mesh.ldata, CD_NORMAL)) { + r_loopnors = (float(*)[3])CustomData_get_layer(&mesh.ldata, CD_NORMAL); + memset(r_loopnors, 0, sizeof(float[3]) * mesh.totloop); + } + else { + r_loopnors = (float(*)[3])CustomData_add_layer( + &mesh.ldata, CD_NORMAL, CD_SET_DEFAULT, nullptr, mesh.totloop); + CustomData_set_layer_flag(&mesh.ldata, CD_NORMAL, CD_FLAG_TEMPORARY); + } + return r_loopnors; +} + +void BKE_mesh_calc_normals_split_ex(Mesh *mesh, + MLoopNorSpaceArray *r_lnors_spacearr, + float (*r_corner_normals)[3]) +{ short(*clnors)[2] = nullptr; /* Note that we enforce computing clnors when the clnor space array is requested by caller here. @@ -1933,30 +1821,25 @@ void BKE_mesh_calc_normals_split_ex(Mesh *mesh, MLoopNorSpaceArray *r_lnors_spac ((mesh->flag & ME_AUTOSMOOTH) != 0); const float split_angle = (mesh->flag & ME_AUTOSMOOTH) != 0 ? mesh->smoothresh : (float)M_PI; - if (CustomData_has_layer(&mesh->ldata, CD_NORMAL)) { - r_loopnors = (float(*)[3])CustomData_get_layer(&mesh->ldata, CD_NORMAL); - memset(r_loopnors, 0, sizeof(float[3]) * mesh->totloop); - } - else { - r_loopnors = (float(*)[3])CustomData_add_layer( - &mesh->ldata, CD_NORMAL, CD_CALLOC, nullptr, mesh->totloop); - CustomData_set_layer_flag(&mesh->ldata, CD_NORMAL, CD_FLAG_TEMPORARY); - } - /* may be nullptr */ clnors = (short(*)[2])CustomData_get_layer(&mesh->ldata, CD_CUSTOMLOOPNORMAL); - BKE_mesh_normals_loop_split(mesh->mvert, + const Span<MVert> verts = mesh->verts(); + const Span<MEdge> edges = mesh->edges(); + const Span<MPoly> polys = mesh->polys(); + const Span<MLoop> loops = mesh->loops(); + + BKE_mesh_normals_loop_split(verts.data(), BKE_mesh_vertex_normals_ensure(mesh), - mesh->totvert, - mesh->medge, - mesh->totedge, - mesh->mloop, - r_loopnors, - mesh->totloop, - mesh->mpoly, + verts.size(), + edges.data(), + edges.size(), + loops.data(), + r_corner_normals, + loops.size(), + polys.data(), BKE_mesh_poly_normals_ensure(mesh), - mesh->totpoly, + polys.size(), use_split_normals, split_angle, r_lnors_spacearr, @@ -1968,7 +1851,7 @@ void BKE_mesh_calc_normals_split_ex(Mesh *mesh, MLoopNorSpaceArray *r_lnors_spac void BKE_mesh_calc_normals_split(Mesh *mesh) { - BKE_mesh_calc_normals_split_ex(mesh, nullptr); + BKE_mesh_calc_normals_split_ex(mesh, nullptr, ensure_corner_normal_layer(*mesh)); } /* Split faces helper functions. */ @@ -2002,22 +1885,22 @@ static int split_faces_prepare_new_verts(Mesh *mesh, const int loops_len = mesh->totloop; int verts_len = mesh->totvert; - MLoop *mloop = mesh->mloop; + MutableSpan<MLoop> loops = mesh->loops_for_write(); BKE_mesh_vertex_normals_ensure(mesh); float(*vert_normals)[3] = BKE_mesh_vertex_normals_for_write(mesh); - BLI_bitmap *verts_used = BLI_BITMAP_NEW(verts_len, __func__); - BLI_bitmap *done_loops = BLI_BITMAP_NEW(loops_len, __func__); + BitVector<> verts_used(verts_len, false); + BitVector<> done_loops(loops_len, false); - MLoop *ml = mloop; + MLoop *ml = loops.data(); MLoopNorSpace **lnor_space = lnors_spacearr->lspacearr; BLI_assert(lnors_spacearr->data_type == MLNOR_SPACEARR_LOOP_INDEX); for (int loop_idx = 0; loop_idx < loops_len; loop_idx++, ml++, lnor_space++) { - if (!BLI_BITMAP_TEST(done_loops, loop_idx)) { + if (!done_loops[loop_idx]) { const int vert_idx = ml->v; - const bool vert_used = BLI_BITMAP_TEST_BOOL(verts_used, vert_idx); + const bool vert_used = verts_used[vert_idx]; /* If vert is already used by another smooth fan, we need a new vert for this one. */ const int new_vert_idx = vert_used ? verts_len++ : vert_idx; @@ -2026,7 +1909,7 @@ static int split_faces_prepare_new_verts(Mesh *mesh, if ((*lnor_space)->flags & MLNOR_SPACE_IS_SINGLE) { /* Single loop in this fan... */ BLI_assert(POINTER_AS_INT((*lnor_space)->loops) == loop_idx); - BLI_BITMAP_ENABLE(done_loops, loop_idx); + done_loops[loop_idx].set(); if (vert_used) { ml->v = new_vert_idx; } @@ -2034,15 +1917,15 @@ static int split_faces_prepare_new_verts(Mesh *mesh, else { for (LinkNode *lnode = (*lnor_space)->loops; lnode; lnode = lnode->next) { const int ml_fan_idx = POINTER_AS_INT(lnode->link); - BLI_BITMAP_ENABLE(done_loops, ml_fan_idx); + done_loops[ml_fan_idx].set(); if (vert_used) { - mloop[ml_fan_idx].v = new_vert_idx; + loops[ml_fan_idx].v = new_vert_idx; } } } if (!vert_used) { - BLI_BITMAP_ENABLE(verts_used, vert_idx); + verts_used[vert_idx].set(); /* We need to update that vertex's normal here, we won't go over it again. */ /* This is important! *DO NOT* set vnor to final computed lnor, * vnor should always be defined to 'automatic normal' value computed from its polys, @@ -2063,38 +1946,35 @@ static int split_faces_prepare_new_verts(Mesh *mesh, } } - MEM_freeN(done_loops); - MEM_freeN(verts_used); - return verts_len - mesh->totvert; } /* Detect needed new edges, and update accordingly loops' edge indices. * WARNING! Leaves mesh in invalid state. */ -static int split_faces_prepare_new_edges(const Mesh *mesh, +static int split_faces_prepare_new_edges(Mesh *mesh, SplitFaceNewEdge **new_edges, MemArena *memarena) { const int num_polys = mesh->totpoly; int num_edges = mesh->totedge; - MEdge *medge = mesh->medge; - MLoop *mloop = mesh->mloop; - const MPoly *mpoly = mesh->mpoly; + MutableSpan<MEdge> edges = mesh->edges_for_write(); + MutableSpan<MLoop> loops = mesh->loops_for_write(); + const Span<MPoly> polys = mesh->polys(); - BLI_bitmap *edges_used = BLI_BITMAP_NEW(num_edges, __func__); + BitVector<> edges_used(num_edges, false); EdgeHash *edges_hash = BLI_edgehash_new_ex(__func__, num_edges); - const MPoly *mp = mpoly; + const MPoly *mp = polys.data(); for (int poly_idx = 0; poly_idx < num_polys; poly_idx++, mp++) { - MLoop *ml_prev = &mloop[mp->loopstart + mp->totloop - 1]; - MLoop *ml = &mloop[mp->loopstart]; + MLoop *ml_prev = &loops[mp->loopstart + mp->totloop - 1]; + MLoop *ml = &loops[mp->loopstart]; for (int loop_idx = 0; loop_idx < mp->totloop; loop_idx++, ml++) { void **eval; if (!BLI_edgehash_ensure_p(edges_hash, ml_prev->v, ml->v, &eval)) { const int edge_idx = ml_prev->e; /* That edge has not been encountered yet, define it. */ - if (BLI_BITMAP_TEST(edges_used, edge_idx)) { + if (edges_used[edge_idx]) { /* Original edge has already been used, we need to define a new one. */ const int new_edge_idx = num_edges++; *eval = POINTER_FROM_INT(new_edge_idx); @@ -2111,10 +1991,10 @@ static int split_faces_prepare_new_edges(const Mesh *mesh, } else { /* We can re-use original edge. */ - medge[edge_idx].v1 = ml_prev->v; - medge[edge_idx].v2 = ml->v; + edges[edge_idx].v1 = ml_prev->v; + edges[edge_idx].v2 = ml->v; *eval = POINTER_FROM_INT(edge_idx); - BLI_BITMAP_ENABLE(edges_used, edge_idx); + edges_used[edge_idx].set(); } } else { @@ -2126,7 +2006,6 @@ static int split_faces_prepare_new_edges(const Mesh *mesh, } } - MEM_freeN(edges_used); BLI_edgehash_free(edges_hash, nullptr); return num_edges - mesh->totedge; @@ -2138,7 +2017,6 @@ static void split_faces_split_new_verts(Mesh *mesh, const int num_new_verts) { const int verts_len = mesh->totvert - num_new_verts; - 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 @@ -2146,8 +2024,7 @@ static void split_faces_split_new_verts(Mesh *mesh, 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) { + for (int i = mesh->totvert - 1; i >= verts_len; i--, new_verts = new_verts->next) { BLI_assert(new_verts->new_index == i); BLI_assert(new_verts->new_index != new_verts->orig_index); CustomData_copy_data(&mesh->vdata, &mesh->vdata, new_verts->orig_index, i, 1); @@ -2163,10 +2040,10 @@ static void split_faces_split_new_edges(Mesh *mesh, const int num_new_edges) { const int num_edges = mesh->totedge - num_new_edges; - MEdge *medge = mesh->medge; + MutableSpan<MEdge> edges = mesh->edges_for_write(); /* Remember new_edges is a single linklist, so its items are in reversed order... */ - MEdge *new_med = &medge[mesh->totedge - 1]; + MEdge *new_med = &edges[mesh->totedge - 1]; for (int i = mesh->totedge - 1; i >= num_edges; i--, new_med--, new_edges = new_edges->next) { BLI_assert(new_edges->new_index == i); BLI_assert(new_edges->new_index != new_edges->orig_index); @@ -2187,21 +2064,13 @@ void BKE_mesh_split_faces(Mesh *mesh, bool free_loop_normals) MLoopNorSpaceArray lnors_spacearr = {nullptr}; /* Compute loop normals and loop normal spaces (a.k.a. smooth fans of faces around vertices). */ - BKE_mesh_calc_normals_split_ex(mesh, &lnors_spacearr); + BKE_mesh_calc_normals_split_ex(mesh, &lnors_spacearr, ensure_corner_normal_layer(*mesh)); /* Stealing memarena from loop normals space array. */ MemArena *memarena = lnors_spacearr.mem; SplitFaceNewVert *new_verts = nullptr; SplitFaceNewEdge *new_edges = nullptr; - /* Ensure we own the layers, we need to do this before split_faces_prepare_new_verts as it will - * directly assign new indices to existing edges and loops. */ - CustomData_duplicate_referenced_layers(&mesh->vdata, mesh->totvert); - CustomData_duplicate_referenced_layers(&mesh->edata, mesh->totedge); - CustomData_duplicate_referenced_layers(&mesh->ldata, mesh->totloop); - /* Update pointers in case we duplicated referenced layers. */ - BKE_mesh_update_customdata_pointers(mesh, false); - /* Detect loop normal spaces (a.k.a. smooth fans) that will need a new vert. */ const int num_new_verts = split_faces_prepare_new_verts( mesh, &lnors_spacearr, &new_verts, memarena); @@ -2216,14 +2085,12 @@ void BKE_mesh_split_faces(Mesh *mesh, bool free_loop_normals) const bool do_edges = (num_new_edges > 0); /* Reallocate all vert and edge related data. */ + CustomData_realloc(&mesh->vdata, mesh->totvert, mesh->totvert + num_new_verts); mesh->totvert += num_new_verts; - CustomData_realloc(&mesh->vdata, mesh->totvert); if (do_edges) { + CustomData_realloc(&mesh->edata, mesh->totedge, mesh->totedge + num_new_edges); mesh->totedge += num_new_edges; - CustomData_realloc(&mesh->edata, mesh->totedge); } - /* 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, |