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Mesh: Parallelize BMesh to Mesh conversion #105602

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Hans Goudey merged 3 commits from HooglyBoogly/blender:mesh-edit-mode-exit-optimize into main 2023-03-12 21:50:26 +01:00
Conversation 2 Commits 3 Files Changed 1 +224 -323
1 changed files with 224 additions and 323 deletions
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547
source/blender/bmesh/intern/bmesh_mesh_convert.cc
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@ -85,6 +85,7 @@
#include "BLI_span.hh"
#include "BLI_string_ref.hh"
#include "BLI_task.hh"
#include "BLI_timeit.hh"
#include "BLI_vector.hh"
#include "BKE_attribute.hh"
@ -949,23 +950,6 @@ static void bm_to_mesh_shape(BMesh *bm,
/** \} */
template<typename T, typename GetFn>
static void write_fn_to_attribute(blender::bke::MutableAttributeAccessor attributes,
const StringRef attribute_name,
const eAttrDomain domain,
const GetFn &get_fn)
{
using namespace blender;
bke::SpanAttributeWriter<T> attribute = attributes.lookup_or_add_for_write_only_span<T>(
attribute_name, domain);
threading::parallel_for(attribute.span.index_range(), 4096, [&](IndexRange range) {
for (const int i : range) {
attribute.span[i] = get_fn(i);
}
});
attribute.finish();
}
static void assert_bmesh_has_no_mesh_only_attributes(const BMesh &bm)
{
(void)bm; /* Unused in the release builds. */
@ -981,68 +965,70 @@ static void assert_bmesh_has_no_mesh_only_attributes(const BMesh &bm)
BLI_assert(CustomData_get_layer_named(&bm.pdata, CD_PROP_BOOL, ".select_poly") == nullptr);
}
static void convert_bmesh_hide_flags_to_mesh_attributes(BMesh &bm,
const bool need_hide_vert,
const bool need_hide_edge,
const bool need_hide_poly,
Mesh &mesh)
static void bmesh_to_mesh_calc_object_remap(Main &bmain,
Mesh &me,
BMesh &bm,
const int old_totvert)
{
using namespace blender;
/* The "hide" attributes are stored as flags on #BMesh. */
assert_bmesh_has_no_mesh_only_attributes(bm);
BMVert **vertMap = nullptr;
BMVert *eve;
if (!(need_hide_vert || need_hide_edge || need_hide_poly)) {
return;
LISTBASE_FOREACH (Object *, ob, &bmain.objects) {
if ((ob->parent) && (ob->parent->data == &me) && ELEM(ob->partype, PARVERT1, PARVERT3)) {
if (vertMap == nullptr) {
vertMap = bm_to_mesh_vertex_map(&bm, old_totvert);
}
if (ob->par1 < old_totvert) {
eve = vertMap[ob->par1];
if (eve) {
ob->par1 = BM_elem_index_get(eve);
}
}
if (ob->par2 < old_totvert) {
eve = vertMap[ob->par2];
if (eve) {
ob->par2 = BM_elem_index_get(eve);
}
}
if (ob->par3 < old_totvert) {
eve = vertMap[ob->par3];
if (eve) {
ob->par3 = BM_elem_index_get(eve);
}
}
}
if (ob->data == &me) {
LISTBASE_FOREACH (ModifierData *, md, &ob->modifiers) {
if (md->type == eModifierType_Hook) {
HookModifierData *hmd = (HookModifierData *)md;
if (vertMap == nullptr) {
vertMap = bm_to_mesh_vertex_map(&bm, old_totvert);
}
int i, j;
for (i = j = 0; i < hmd->indexar_num; i++) {
if (hmd->indexar[i] < old_totvert) {
eve = vertMap[hmd->indexar[i]];
if (eve) {
hmd->indexar[j++] = BM_elem_index_get(eve);
}
}
else {
j++;
}
}
hmd->indexar_num = j;
}
}
}
}
bke::MutableAttributeAccessor attributes = mesh.attributes_for_write();
BM_mesh_elem_table_ensure(&bm, BM_VERT | BM_EDGE | BM_FACE);
if (need_hide_vert) {
write_fn_to_attribute<bool>(attributes, ".hide_vert", ATTR_DOMAIN_POINT, [&](const int i) {
return BM_elem_flag_test(BM_vert_at_index(&bm, i), BM_ELEM_HIDDEN);
});
}
if (need_hide_edge) {
write_fn_to_attribute<bool>(attributes, ".hide_edge", ATTR_DOMAIN_EDGE, [&](const int i) {
return BM_elem_flag_test(BM_edge_at_index(&bm, i), BM_ELEM_HIDDEN);
});
}
if (need_hide_poly) {
write_fn_to_attribute<bool>(attributes, ".hide_poly", ATTR_DOMAIN_FACE, [&](const int i) {
return BM_elem_flag_test(BM_face_at_index(&bm, i), BM_ELEM_HIDDEN);
});
}
}
static void convert_bmesh_selection_flags_to_mesh_attributes(BMesh &bm,
const bool need_select_vert,
const bool need_select_edge,
const bool need_select_poly,
Mesh &mesh)
{
using namespace blender;
if (!(need_select_vert || need_select_edge || need_select_poly)) {
return;
}
bke::MutableAttributeAccessor attributes = mesh.attributes_for_write();
BM_mesh_elem_table_ensure(&bm, BM_VERT | BM_EDGE | BM_FACE);
if (need_select_vert) {
write_fn_to_attribute<bool>(attributes, ".select_vert", ATTR_DOMAIN_POINT, [&](const int i) {
return BM_elem_flag_test(BM_vert_at_index(&bm, i), BM_ELEM_SELECT);
});
}
if (need_select_edge) {
write_fn_to_attribute<bool>(attributes, ".select_edge", ATTR_DOMAIN_EDGE, [&](const int i) {
return BM_elem_flag_test(BM_edge_at_index(&bm, i), BM_ELEM_SELECT);
});
}
if (need_select_poly) {
write_fn_to_attribute<bool>(attributes, ".select_poly", ATTR_DOMAIN_FACE, [&](const int i) {
return BM_elem_flag_test(BM_face_at_index(&bm, i), BM_ELEM_SELECT);
});
if (vertMap) {
MEM_freeN(vertMap);
}
}
@ -1110,6 +1096,7 @@ static void bm_vert_table_build(BMesh &bm,
BM_elem_index_set(vert, i); /* set_inline */
table[i] = vert;
hflag |= vert->head.hflag;
BM_CHECK_ELEMENT(vert);
}
need_select_vert = (hflag & BM_ELEM_SELECT) != 0;
need_hide_vert = (hflag & BM_ELEM_HIDDEN) != 0;
@ -1130,6 +1117,7 @@ static void bm_edge_table_build(BMesh &bm,
BM_elem_index_set(edge, i); /* set_inline */
table[i] = edge;
hflag |= edge->head.hflag;
BM_CHECK_ELEMENT(edge);
}
need_select_edge = (hflag & BM_ELEM_SELECT) != 0;
need_hide_edge = (hflag & BM_ELEM_HIDDEN) != 0;
@ -1156,11 +1144,13 @@ static void bm_face_loop_table_build(BMesh &bm,
hflag |= face->head.hflag;
need_sharp_face |= (face->head.hflag & BM_ELEM_SMOOTH) == 0;
need_material_index |= face->mat_nr != 0;
BM_CHECK_ELEMENT(face);
BMLoop *loop = BM_FACE_FIRST_LOOP(face);
for ([[maybe_unused]] const int i : IndexRange(face->len)) {
BM_elem_index_set(loop, loop_i); /* set_inline */
loop_table[loop_i] = loop;
BM_CHECK_ELEMENT(loop);
loop = loop->next;
loop_i++;
}
@ -1186,6 +1176,8 @@ static void bm_to_mesh_verts(const BMesh &bm,
MutableSpan<bool> select_vert,
MutableSpan<bool> hide_vert)
{
CustomData_add_layer_named(
&mesh.vdata, CD_PROP_FLOAT3, CD_CONSTRUCT, nullptr, mesh.totvert, "position");
const Vector<BMeshToMeshLayerInfo> info = bm_to_mesh_copy_info_calc(bm.vdata, mesh.vdata);
MutableSpan<float3> dst_vert_positions = mesh.vert_positions_for_write();
threading::parallel_for(dst_vert_positions.index_range(), 1024, [&](const IndexRange range) {
@ -1215,6 +1207,7 @@ static void bm_to_mesh_edges(const BMesh &bm,
MutableSpan<bool> sharp_edge,
MutableSpan<bool> uv_seams)
{
CustomData_add_layer(&mesh.edata, CD_MEDGE, CD_SET_DEFAULT, nullptr, mesh.totedge);
const Vector<BMeshToMeshLayerInfo> info = bm_to_mesh_copy_info_calc(bm.edata, mesh.edata);
MutableSpan<MEdge> dst_edges = mesh.edges_for_write();
threading::parallel_for(dst_edges.index_range(), 512, [&](const IndexRange range) {
@ -1256,6 +1249,7 @@ static void bm_to_mesh_faces(const BMesh &bm,
MutableSpan<bool> sharp_faces,
MutableSpan<int> material_indices)
{
CustomData_add_layer(&mesh.pdata, CD_MPOLY, CD_CONSTRUCT, nullptr, mesh.totpoly);
const Vector<BMeshToMeshLayerInfo> info = bm_to_mesh_copy_info_calc(bm.pdata, mesh.pdata);
MutableSpan<MPoly> dst_polys = mesh.polys_for_write();
threading::parallel_for(dst_polys.index_range(), 1024, [&](const IndexRange range) {
@ -1291,6 +1285,7 @@ static void bm_to_mesh_faces(const BMesh &bm,
static void bm_to_mesh_loops(const BMesh &bm, const Span<const BMLoop *> bm_loops, Mesh &mesh)
{
CustomData_add_layer(&mesh.ldata, CD_MLOOP, CD_SET_DEFAULT, nullptr, mesh.totloop);
const Vector<BMeshToMeshLayerInfo> info = bm_to_mesh_copy_info_calc(bm.ldata, mesh.ldata);
MutableSpan<MLoop> dst_loops = mesh.loops_for_write();
threading::parallel_for(dst_loops.index_range(), 1024, [&](const IndexRange range) {
@ -1309,13 +1304,8 @@ static void bm_to_mesh_loops(const BMesh &bm, const Span<const BMLoop *> bm_loop
void BM_mesh_bm_to_me(Main *bmain, BMesh *bm, Mesh *me, const struct BMeshToMeshParams *params)
{
using namespace blender;
BMVert *v, *eve;
BMEdge *e;
BMFace *f;
BMIter iter;
int i, j;
const int cd_shape_keyindex_offset = CustomData_get_offset(&bm->vdata, CD_SHAPE_KEYINDEX);
const int ototvert = me->totvert;
@ -1333,11 +1323,9 @@ void BM_mesh_bm_to_me(Main *bmain, BMesh *bm, Mesh *me, const struct BMeshToMesh
/* Add new custom data. */
me->totvert = bm->totvert;
me->totedge = bm->totedge;
me->totface = 0;
me->totloop = bm->totloop;
me->totpoly = bm->totface;
/* Will be overwritten with a valid value if 'dotess' is set, otherwise we
* end up with 'me->totface' and `me->mface == nullptr` which can crash #28625. */
me->totface = 0;
me->act_face = -1;
/* Mark UV selection layers which are all false as 'nocopy'. */
@ -1418,26 +1406,6 @@ void BM_mesh_bm_to_me(Main *bmain, BMesh *bm, Mesh *me, const struct BMeshToMesh
CustomData_copy(&bm->pdata, &me->pdata, mask.pmask, CD_SET_DEFAULT, me->totpoly);
}
const Vector<BMeshToMeshLayerInfo> vert_info = bm_to_mesh_copy_info_calc(bm->vdata, me->vdata);
const Vector<BMeshToMeshLayerInfo> edge_info = bm_to_mesh_copy_info_calc(bm->edata, me->edata);
const Vector<BMeshToMeshLayerInfo> poly_info = bm_to_mesh_copy_info_calc(bm->pdata, me->pdata);
const Vector<BMeshToMeshLayerInfo> loop_info = bm_to_mesh_copy_info_calc(bm->ldata, me->ldata);
/* Clear the CD_FLAG_NOCOPY flags for the layers they were temporarily set on */
for (const int i : ldata_layers_marked_nocopy) {
bm->ldata.layers[i].flag &= ~CD_FLAG_NOCOPY;
}
CustomData_add_layer_named(
&me->vdata, CD_PROP_FLOAT3, CD_CONSTRUCT, nullptr, me->totvert, "position");
CustomData_add_layer(&me->edata, CD_MEDGE, CD_SET_DEFAULT, nullptr, me->totedge);
CustomData_add_layer(&me->ldata, CD_MLOOP, CD_SET_DEFAULT, nullptr, me->totloop);
CustomData_add_layer(&me->pdata, CD_MPOLY, CD_SET_DEFAULT, nullptr, me->totpoly);
MutableSpan<float3> positions = me->vert_positions_for_write();
MutableSpan<MEdge> edges = me->edges_for_write();
MutableSpan<MPoly> polys = me->polys_for_write();
MutableSpan<MLoop> mloop = me->loops_for_write();
bool need_select_vert = false;
bool need_select_edge = false;
bool need_select_poly = false;
@ -1445,239 +1413,180 @@ void BM_mesh_bm_to_me(Main *bmain, BMesh *bm, Mesh *me, const struct BMeshToMesh
bool need_hide_edge = false;
bool need_hide_poly = false;
bool need_material_index = false;
bool need_sharp_face = false;
bool need_sharp_edge = false;
bool need_uv_seam = false;
bool need_sharp_face = false;
bool need_uv_seams = false;
Array<const BMVert *> vert_table;
Array<const BMEdge *> edge_table;
Array<const BMFace *> face_table;
Array<const BMLoop *> loop_table;
threading::parallel_invoke(
me->totface > 1024,
[&]() {
vert_table.reinitialize(bm->totvert);
bm_vert_table_build(*bm, vert_table, need_select_vert, need_hide_vert);
},
[&]() {
edge_table.reinitialize(bm->totedge);
bm_edge_table_build(
*bm, edge_table, need_select_edge, need_hide_edge, need_sharp_edge, need_uv_seams);
},
[&]() {
face_table.reinitialize(bm->totface);
loop_table.reinitialize(bm->totloop);
bm_face_loop_table_build(*bm,
face_table,
loop_table,
need_select_poly,
need_hide_poly,
need_sharp_face,
need_material_index);
});
bm->elem_index_dirty &= ~(BM_VERT | BM_EDGE | BM_FACE | BM_LOOP);
i = 0;
BM_ITER_MESH (v, &iter, bm, BM_VERTS_OF_MESH) {
copy_v3_v3(positions[i], v->co);
if (BM_elem_flag_test(v, BM_ELEM_HIDDEN)) {
need_hide_vert = true;
}
if (BM_elem_flag_test(v, BM_ELEM_SELECT)) {
need_select_vert = true;
}
BM_elem_index_set(v, i); /* set_inline */
bmesh_block_copy_to_mesh_attributes(vert_info, i, v->head.data);
i++;
BM_CHECK_ELEMENT(v);
/* Add optional mesh attributes before parallel iteration. */
assert_bmesh_has_no_mesh_only_attributes(*bm);
bke::MutableAttributeAccessor attrs = me->attributes_for_write();
bke::SpanAttributeWriter<bool> select_vert;
bke::SpanAttributeWriter<bool> hide_vert;
bke::SpanAttributeWriter<bool> select_edge;
bke::SpanAttributeWriter<bool> hide_edge;
bke::SpanAttributeWriter<bool> sharp_edge;
bke::SpanAttributeWriter<bool> uv_seams;
bke::SpanAttributeWriter<bool> select_poly;
bke::SpanAttributeWriter<bool> hide_poly;
bke::SpanAttributeWriter<bool> sharp_face;
bke::SpanAttributeWriter<int> material_index;
if (need_select_vert) {
select_vert = attrs.lookup_or_add_for_write_only_span<bool>(".select_vert", ATTR_DOMAIN_POINT);
}
bm->elem_index_dirty &= ~BM_VERT;
i = 0;
BM_ITER_MESH (e, &iter, bm, BM_EDGES_OF_MESH) {
edges[i].v1 = BM_elem_index_get(e->v1);
edges[i].v2 = BM_elem_index_get(e->v2);
if (BM_elem_flag_test(e, BM_ELEM_SEAM)) {
need_uv_seam = true;
}
if (BM_elem_flag_test(e, BM_ELEM_HIDDEN)) {
need_hide_edge = true;
}
if (BM_elem_flag_test(e, BM_ELEM_SELECT)) {
need_select_edge = true;
}
if (!BM_elem_flag_test(e, BM_ELEM_SMOOTH)) {
need_sharp_edge = true;
}
BM_elem_index_set(e, i); /* set_inline */
bmesh_block_copy_to_mesh_attributes(edge_info, i, e->head.data);
i++;
BM_CHECK_ELEMENT(e);
if (need_hide_vert) {
hide_vert = attrs.lookup_or_add_for_write_only_span<bool>(".hide_vert", ATTR_DOMAIN_POINT);
}
bm->elem_index_dirty &= ~BM_EDGE;
i = 0;
j = 0;
BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
BMLoop *l_iter, *l_first;
polys[i].loopstart = j;
polys[i].totloop = f->len;
if (f->mat_nr != 0) {
need_material_index = true;
}
if (!BM_elem_flag_test(f, BM_ELEM_SMOOTH)) {
need_sharp_face = true;
}
if (BM_elem_flag_test(f, BM_ELEM_HIDDEN)) {
need_hide_poly = true;
}
if (BM_elem_flag_test(f, BM_ELEM_SELECT)) {
need_select_poly = true;
}
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
mloop[j].e = BM_elem_index_get(l_iter->e);
mloop[j].v = BM_elem_index_get(l_iter->v);
bmesh_block_copy_to_mesh_attributes(loop_info, j, l_iter->head.data);
j++;
BM_CHECK_ELEMENT(l_iter);
BM_CHECK_ELEMENT(l_iter->e);
BM_CHECK_ELEMENT(l_iter->v);
} while ((l_iter = l_iter->next) != l_first);
if (f == bm->act_face) {
me->act_face = i;
}
bmesh_block_copy_to_mesh_attributes(poly_info, i, f->head.data);
i++;
BM_CHECK_ELEMENT(f);
}
if (need_material_index) {
BM_mesh_elem_table_ensure(bm, BM_FACE);
write_fn_to_attribute<int>(me->attributes_for_write(),
"material_index",
ATTR_DOMAIN_FACE,
[&](const int i) { return int(BM_face_at_index(bm, i)->mat_nr); });
if (need_select_edge) {
select_edge = attrs.lookup_or_add_for_write_only_span<bool>(".select_edge", ATTR_DOMAIN_EDGE);
}
if (need_sharp_edge) {
BM_mesh_elem_table_ensure(bm, BM_EDGE);
write_fn_to_attribute<bool>(
me->attributes_for_write(), "sharp_edge", ATTR_DOMAIN_EDGE, [&](const int i) {
return !BM_elem_flag_test(BM_edge_at_index(bm, i), BM_ELEM_SMOOTH);
});
sharp_edge = attrs.lookup_or_add_for_write_only_span<bool>("sharp_edge", ATTR_DOMAIN_EDGE);
}
if (need_uv_seams) {
uv_seams = attrs.lookup_or_add_for_write_only_span<bool>(".uv_seam", ATTR_DOMAIN_EDGE);
}
if (need_hide_edge) {
hide_edge = attrs.lookup_or_add_for_write_only_span<bool>(".hide_edge", ATTR_DOMAIN_EDGE);
}
if (need_select_poly) {
select_poly = attrs.lookup_or_add_for_write_only_span<bool>(".select_poly", ATTR_DOMAIN_FACE);
}
if (need_hide_poly) {
hide_poly = attrs.lookup_or_add_for_write_only_span<bool>(".hide_poly", ATTR_DOMAIN_FACE);
}
if (need_sharp_face) {
BM_mesh_elem_table_ensure(bm, BM_FACE);
write_fn_to_attribute<bool>(
me->attributes_for_write(), "sharp_face", ATTR_DOMAIN_FACE, [&](const int i) {
return !BM_elem_flag_test(BM_face_at_index(bm, i), BM_ELEM_SMOOTH);
});
sharp_face = attrs.lookup_or_add_for_write_only_span<bool>("sharp_face", ATTR_DOMAIN_FACE);
}
if (need_uv_seam) {
BM_mesh_elem_table_ensure(bm, BM_EDGE);
write_fn_to_attribute<bool>(
me->attributes_for_write(), ".uv_seam", ATTR_DOMAIN_EDGE, [&](const int i) {
return BM_elem_flag_test(BM_edge_at_index(bm, i), BM_ELEM_SEAM);
});
if (need_material_index) {
material_index = attrs.lookup_or_add_for_write_only_span<int>("material_index",
ATTR_DOMAIN_FACE);
}
/* Patch hook indices and vertex parents. */
if (params->calc_object_remap && (ototvert > 0)) {
BLI_assert(bmain != nullptr);
BMVert **vertMap = nullptr;
LISTBASE_FOREACH (Object *, ob, &bmain->objects) {
if ((ob->parent) && (ob->parent->data == me) && ELEM(ob->partype, PARVERT1, PARVERT3)) {
if (vertMap == nullptr) {
vertMap = bm_to_mesh_vertex_map(bm, ototvert);
/* Loop over all elements in parallel, copying attributes and building the Mesh topology. */
threading::parallel_invoke(
me->totvert > 1024,
[&]() {
bm_to_mesh_verts(*bm, vert_table, *me, select_vert.span, hide_vert.span);
if (me->key) {
bm_to_mesh_shape(
bm, me->key, me->vert_positions_for_write(), params->active_shapekey_to_mvert);
}
},
[&]() {
bm_to_mesh_edges(*bm,
edge_table,
*me,
select_edge.span,
hide_edge.span,
sharp_edge.span,
uv_seams.span);
},
[&]() {
bm_to_mesh_faces(*bm,
face_table,
*me,
select_poly.span,
hide_poly.span,
sharp_face.span,
material_index.span);
if (bm->act_face) {
me->act_face = BM_elem_index_get(bm->act_face);
}
},
[&]() {
bm_to_mesh_loops(*bm, loop_table, *me);
/* Topology could be changed, ensure #CD_MDISPS are ok. */
multires_topology_changed(me);
/* Clear the CD_FLAG_NOCOPY flags for the layers they were temporarily set on */
for (const int i : ldata_layers_marked_nocopy) {
bm->ldata.layers[i].flag &= ~CD_FLAG_NOCOPY;
}
},
[&]() {
/* Patch hook indices and vertex parents. */
if (params->calc_object_remap && (ototvert > 0)) {
bmesh_to_mesh_calc_object_remap(*bmain, *me, *bm, ototvert);
}
},
[&]() {
me->totselect = BLI_listbase_count(&(bm->selected));
if (ob->par1 < ototvert) {
eve = vertMap[ob->par1];
if (eve) {
ob->par1 = BM_elem_index_get(eve);
MEM_SAFE_FREE(me->mselect);
if (me->totselect != 0) {
me->mselect = static_cast<MSelect *>(
MEM_mallocN(sizeof(MSelect) * me->totselect, "Mesh selection history"));
}
int i;
LISTBASE_FOREACH_INDEX (BMEditSelection *, selected, &bm->selected, i) {
if (selected->htype == BM_VERT) {
me->mselect[i].type = ME_VSEL;
}
}
if (ob->par2 < ototvert) {
eve = vertMap[ob->par2];
if (eve) {
ob->par2 = BM_elem_index_get(eve);
else if (selected->htype == BM_EDGE) {
me->mselect[i].type = ME_ESEL;
}
}
if (ob->par3 < ototvert) {
eve = vertMap[ob->par3];
if (eve) {
ob->par3 = BM_elem_index_get(eve);
else if (selected->htype == BM_FACE) {
me->mselect[i].type = ME_FSEL;
}
}
}
if (ob->data == me) {
LISTBASE_FOREACH (ModifierData *, md, &ob->modifiers) {
if (md->type == eModifierType_Hook) {
HookModifierData *hmd = (HookModifierData *)md;
if (vertMap == nullptr) {
vertMap = bm_to_mesh_vertex_map(bm, ototvert);
me->mselect[i].index = BM_elem_index_get(selected->ele);
}
},
[&]() {
/* Run this even when shape keys aren't used since it may be used for hooks or vertex
* parents. */
if (params->update_shapekey_indices) {
/* We have written a new shape key, if this mesh is _not_ going to be freed,
* update the shape key indices to match the newly updated. */
const int cd_shape_keyindex_offset = CustomData_get_offset(&bm->vdata,
CD_SHAPE_KEYINDEX);
if (cd_shape_keyindex_offset != -1) {
BMIter iter;
BMVert *vert;
int i;
BM_ITER_MESH_INDEX (vert, &iter, bm, BM_VERTS_OF_MESH, i) {
BM_ELEM_CD_SET_INT(vert, cd_shape_keyindex_offset, i);
}
for (i = j = 0; i < hmd->indexar_num; i++) {
if (hmd->indexar[i] < ototvert) {
eve = vertMap[hmd->indexar[i]];
if (eve) {
hmd->indexar[j++] = BM_elem_index_get(eve);
}
}
else {
j++;
}
}
hmd->indexar_num = j;
}
}
}
}
});
if (vertMap) {
MEM_freeN(vertMap);
}
}
convert_bmesh_hide_flags_to_mesh_attributes(
*bm, need_hide_vert, need_hide_edge, need_hide_poly, *me);
convert_bmesh_selection_flags_to_mesh_attributes(
*bm, need_select_vert, need_select_edge, need_select_poly, *me);
{
me->totselect = BLI_listbase_count(&(bm->selected));
MEM_SAFE_FREE(me->mselect);
if (me->totselect != 0) {
me->mselect = static_cast<MSelect *>(
MEM_mallocN(sizeof(MSelect) * me->totselect, "Mesh selection history"));
}
LISTBASE_FOREACH_INDEX (BMEditSelection *, selected, &bm->selected, i) {
if (selected->htype == BM_VERT) {
me->mselect[i].type = ME_VSEL;
}
else if (selected->htype == BM_EDGE) {
me->mselect[i].type = ME_ESEL;
}
else if (selected->htype == BM_FACE) {
me->mselect[i].type = ME_FSEL;
}
me->mselect[i].index = BM_elem_index_get(selected->ele);
}
}
if (me->key) {
bm_to_mesh_shape(bm, me->key, positions, params->active_shapekey_to_mvert);
}
/* Run this even when shape keys aren't used since it may be used for hooks or vertex parents. */
if (params->update_shapekey_indices) {
/* We have written a new shape key, if this mesh is _not_ going to be freed,
* update the shape key indices to match the newly updated. */
if (cd_shape_keyindex_offset != -1) {
BM_ITER_MESH_INDEX (eve, &iter, bm, BM_VERTS_OF_MESH, i) {
BM_ELEM_CD_SET_INT(eve, cd_shape_keyindex_offset, i);
}
}
}
/* Topology could be changed, ensure #CD_MDISPS are ok. */
multires_topology_changed(me);
select_vert.finish();
hide_vert.finish();
select_edge.finish();
hide_edge.finish();
sharp_edge.finish();
uv_seams.finish();
select_poly.finish();
hide_poly.finish();
sharp_face.finish();
material_index.finish();
}
/* NOTE: The function is called from multiple threads with the same input BMesh and different
@ -1698,14 +1607,6 @@ void BM_mesh_bm_to_me_for_eval(BMesh *bm, Mesh *me, const CustomData_MeshMasks *
me->totloop = bm->totloop;
me->totpoly = bm->totface;
if (!CustomData_get_layer_named(&me->vdata, CD_PROP_FLOAT3, "position")) {
CustomData_add_layer_named(
&me->vdata, CD_PROP_FLOAT3, CD_CONSTRUCT, nullptr, bm->totvert, "position");
}
CustomData_add_layer(&me->edata, CD_MEDGE, CD_CONSTRUCT, nullptr, bm->totedge);
CustomData_add_layer(&me->ldata, CD_MLOOP, CD_CONSTRUCT, nullptr, bm->totloop);
CustomData_add_layer(&me->pdata, CD_MPOLY, CD_CONSTRUCT, nullptr, bm->totface);
/* Don't process shape-keys, we only feed them through the modifier stack as needed,
* e.g. for applying modifiers or the like. */
CustomData_MeshMasks mask = CD_MASK_DERIVEDMESH;