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Sculpt: Multithread mesh "show all" operation

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Continuation of 4e66769ec0. In a test unhiding a small portion
of a 16 million vertex mesh, this halved the time from 10 to 5 ms.
This commit is contained in:
Hans Goudey
2023-12-01 13:51:09 -05:00
parent 3acb64e7ac
commit 380b7c5dc3
1 changed files with 8 additions and 6 deletions
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14
source/blender/editors/sculpt_paint/paint_hide.cc
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@@ -93,13 +93,15 @@ static void vert_show_all(Object &object, const Span<PBVHNode *> nodes)
bke::MutableAttributeAccessor attributes = mesh.attributes_for_write();
if (const VArray<bool> attribute = *attributes.lookup<bool>(".hide_vert", ATTR_DOMAIN_POINT)) {
const VArraySpan hide_vert(attribute);
for (PBVHNode *node : nodes) {
const Span<int> verts = BKE_pbvh_node_get_vert_indices(node);
if (std::any_of(verts.begin(), verts.end(), [&](const int i) { return hide_vert[i]; })) {
SCULPT_undo_push_node(&object, node, SCULPT_UNDO_HIDDEN);
BKE_pbvh_node_mark_rebuild_draw(node);
threading::parallel_for(nodes.index_range(), 1, [&](const IndexRange range) {
for (PBVHNode *node : nodes.slice(range)) {
const Span<int> verts = BKE_pbvh_node_get_vert_indices(node);
if (std::any_of(verts.begin(), verts.end(), [&](const int i) { return hide_vert[i]; })) {
SCULPT_undo_push_node(&object, node, SCULPT_UNDO_HIDDEN);
BKE_pbvh_node_mark_rebuild_draw(node);
}
}
}
});
}
for (PBVHNode *node : nodes) {
BKE_pbvh_node_fully_hidden_set(node, false);