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Renamed create_face_neighbors_index() to its_face_edge_ids().

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Renamed its_create_neighbors_index() / its_create_neighbors_index_par() to its_face_neighbors() / its_face_neighbors_par().
New variant of its_face_edge_ids() to create edge IDs from face neighbors.
Fixed some incorrect use of _NDEBUG, it should be NDEBUG.
PrintObject::slice_support_volumes() returns newly Polygons, which are cheaper than ExPolygons.
Updated SeamPlacer and SupportMaterial to use regions defined as Polygons, not ExPolygons.
TriangleSelector::get_facets_strict() returning a patch with T-joints retriangulated.
New slice_mesh_slabs() - slicing projections of a triangle patch into top / bottom layers of slices, for MMU top / bottom segmentation.
TriangleMeshSlicer - use 64 mutexes instead of one when scattering sliced triangles into layers. This makes a big difference on modern many core desktop computers.
When applying MM segmented regions to input regions, the split regions are now re-merged with 10x higher positive offset epsilon to avoid creating gaps.
When testing for existence of paint-on supports or seam, use a more efficient has_facets() test, which does not deserialize into the expensive TriangleSelector tree structure.
GLIndexedVertexArray newly uses Eigen::AlignedBox<float, 3> for efficiency instead of our double based BoundingBoxf3.
Improved MMU painting refresh speed by optimizing generation of the vertex buffers.
Refactored MMU segmentation - projection of painted surfaces from top / bottom.
	1) Parallelized.
	2) Using the new slice_mesh_slabs() instead of projecting one triangle by the other and merging them with Clipper.
This commit is contained in:
Vojtech Bubnik 2021-06-20 15:21:12 +02:00
parent d08a70478e
commit 0d70a2be69
23 changed files with 1357 additions and 489 deletions
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66
src/slic3r/GUI/Gizmos/GLGizmoMmuSegmentation.cpp
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@ -449,52 +449,50 @@ void TriangleSelectorMmuGui::render(ImGuiWrapper *imgui)
{
static constexpr std::array<float, 4> seed_fill_color{0.f, 1.f, 0.44f, 1.f};
std::vector<int> color_cnt(m_iva_colors.size());
int seed_fill_cnt = 0;
for (auto &iva_color : m_iva_colors)
iva_color.release_geometry();
m_iva_seed_fill.release_geometry();
auto append_triangle = [this](GLIndexedVertexArray &iva, int &cnt, const Triangle &tr) -> void {
for (int i = 0; i < 3; ++i)
iva.push_geometry(m_vertices[tr.verts_idxs[i]].v, m_mesh->stl.facet_start[tr.source_triangle].normal);
iva.push_triangle(cnt, cnt + 1, cnt + 2);
cnt += 3;
};
for (size_t color_idx = 0; color_idx < m_iva_colors.size(); ++color_idx) {
for (const Triangle &tr : m_triangles) {
if (!tr.valid() || tr.is_split() || tr.is_selected_by_seed_fill() || tr.get_state() != EnforcerBlockerType(color_idx))
continue;
append_triangle(m_iva_colors[color_idx], color_cnt[color_idx], tr);
for (const Triangle &tr : m_triangles)
if (tr.valid() && ! tr.is_split()) {
GLIndexedVertexArray *iva = nullptr;
if (tr.is_selected_by_seed_fill())
iva = &m_iva_seed_fill;
else if (int color = int(tr.get_state()); color < m_iva_colors.size())
iva = &m_iva_colors[color];
if (iva) {
if (iva->vertices_and_normals_interleaved.size() + 18 > iva->vertices_and_normals_interleaved.capacity())
iva->vertices_and_normals_interleaved.reserve(next_highest_power_of_2(iva->vertices_and_normals_interleaved.size() + 18));
const Vec3f &n = m_mesh->stl.facet_start[tr.source_triangle].normal;
for (int i = 0; i < 3; ++ i) {
const Vec3f &v = m_vertices[tr.verts_idxs[i]].v;
iva->vertices_and_normals_interleaved.emplace_back(n.x());
iva->vertices_and_normals_interleaved.emplace_back(n.y());
iva->vertices_and_normals_interleaved.emplace_back(n.z());
iva->vertices_and_normals_interleaved.emplace_back(v.x());
iva->vertices_and_normals_interleaved.emplace_back(v.y());
iva->vertices_and_normals_interleaved.emplace_back(v.z());
}
}
}
}
for (const Triangle &tr : m_triangles) {
if (!tr.valid() || tr.is_split() || !tr.is_selected_by_seed_fill())
continue;
append_triangle(m_iva_seed_fill, seed_fill_cnt, tr);
}
for (auto &iva_color : m_iva_colors)
iva_color.finalize_geometry(true);
m_iva_seed_fill.finalize_geometry(true);
auto *shader = wxGetApp().get_current_shader();
auto* shader = wxGetApp().get_current_shader();
if (!shader)
return;
assert(shader->get_name() == "gouraud");
auto render = [&shader](const GLIndexedVertexArray &iva, const std::array<float, 4> &color) -> void {
if (iva.has_VBOs()) {
shader->set_uniform("uniform_color", color);
for (size_t i = 0; i <= m_iva_colors.size(); ++i)
if (GLIndexedVertexArray &iva = i == m_iva_colors.size() ? m_iva_seed_fill : m_iva_colors[i];
! iva.vertices_and_normals_interleaved.empty()) {
iva.vertices_and_normals_interleaved_size = iva.vertices_and_normals_interleaved.size();
iva.triangle_indices.assign(iva.vertices_and_normals_interleaved_size / 6, 0);
std::iota(iva.triangle_indices.begin(), iva.triangle_indices.end(), 0);
iva.triangle_indices_size = iva.triangle_indices.size();
iva.finalize_geometry(true);
shader->set_uniform("uniform_color",
(i == 0) ? m_default_volume_color : i == m_iva_colors.size() ? seed_fill_color : m_colors[i - 1]);
iva.render();
}
};
for (size_t color_idx = 0; color_idx < m_iva_colors.size(); ++color_idx)
render(m_iva_colors[color_idx], (color_idx == 0) ? m_default_volume_color : m_colors[color_idx - 1]);
render(m_iva_seed_fill, seed_fill_color);
}
wxString GLGizmoMmuSegmentation::handle_snapshot_action_name(bool shift_down, GLGizmoPainterBase::Button button_down) const