klayout/src/db/db/dbDeepRegion.cc

2956 lines
97 KiB
C++

/*
KLayout Layout Viewer
Copyright (C) 2006-2026 Matthias Koefferlein
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "dbDeepRegion.h"
#include "dbDeepShapeStore.h"
#include "dbEmptyEdgePairs.h"
#include "dbRegion.h"
#include "dbRegionUtils.h"
#include "dbDeepEdges.h"
#include "dbDeepEdgePairs.h"
#include "dbDeepTexts.h"
#include "dbShapeProcessor.h"
#include "dbFlatRegion.h"
#include "dbHierProcessor.h"
#include "dbCellMapping.h"
#include "dbLayoutUtils.h"
#include "dbHierNetworkProcessor.h"
#include "dbCellGraphUtils.h"
#include "dbPolygonTools.h"
#include "dbCellVariants.h"
#include "dbRegionLocalOperations.h"
#include "dbLocalOperationUtils.h"
#include "dbCompoundOperation.h"
#include "dbLayoutToNetlist.h"
#include "tlTimer.h"
namespace db
{
/**
* @brief An iterator delegate for the deep region
* TODO: this is kind of redundant with OriginalLayerIterator ..
*/
class DB_PUBLIC DeepRegionIterator
: public RegionIteratorDelegate
{
public:
typedef db::Polygon value_type;
DeepRegionIterator (const db::RecursiveShapeIterator &iter)
: m_iter (iter), m_prop_id (0)
{
set ();
}
virtual ~DeepRegionIterator () { }
virtual bool at_end () const
{
return m_iter.at_end ();
}
virtual void increment ()
{
++m_iter;
set ();
}
virtual bool is_addressable() const
{
return false;
}
virtual const value_type *get () const
{
return &m_polygon;
}
virtual db::properties_id_type prop_id () const
{
return m_prop_id;
}
virtual bool equals (const generic_shape_iterator_delegate_base<value_type> *other) const
{
const DeepRegionIterator *o = dynamic_cast<const DeepRegionIterator *> (other);
return o && o->m_iter == m_iter;
}
virtual RegionIteratorDelegate *clone () const
{
return new DeepRegionIterator (*this);
}
virtual void do_reset (const db::Box &region, bool overlapping)
{
m_iter.set_region (region);
m_iter.set_overlapping (overlapping);
set ();
}
virtual db::Box bbox () const
{
return m_iter.bbox ();
}
private:
friend class Region;
db::RecursiveShapeIterator m_iter;
mutable value_type m_polygon;
mutable db::properties_id_type m_prop_id;
void set () const
{
if (! m_iter.at_end ()) {
m_iter->polygon (m_polygon);
m_polygon.transform (m_iter.trans (), false);
m_prop_id = m_iter->prop_id ();
}
}
};
// -------------------------------------------------------------------------------------------------------------
// DeepRegion implementation
DeepRegion::DeepRegion (const RecursiveShapeIterator &si, DeepShapeStore &dss, double area_ratio, size_t max_vertex_count)
: MutableRegion (), m_merged_polygons ()
{
set_deep_layer (dss.create_polygon_layer (si, area_ratio, max_vertex_count));
init ();
}
DeepRegion::DeepRegion (const RecursiveShapeIterator &si, DeepShapeStore &dss, const db::ICplxTrans &trans, bool merged_semantics, double area_ratio, size_t max_vertex_count)
: MutableRegion (), m_merged_polygons ()
{
set_deep_layer (dss.create_polygon_layer (si, area_ratio, max_vertex_count, trans));
init ();
set_merged_semantics (merged_semantics);
}
DeepRegion::DeepRegion (const db::Region &other, DeepShapeStore &dss)
: MutableRegion (), m_merged_polygons ()
{
set_deep_layer (dss.create_from_flat (other, false));
init ();
set_merged_semantics (other.merged_semantics ());
}
DeepRegion::DeepRegion ()
: MutableRegion ()
{
init ();
}
DeepRegion::DeepRegion (const DeepLayer &dl)
: MutableRegion ()
{
set_deep_layer (dl);
init ();
}
DeepRegion::~DeepRegion ()
{
// .. nothing yet ..
}
DeepRegion::DeepRegion (const DeepRegion &other)
: MutableRegion (other), DeepShapeCollectionDelegateBase (other),
m_merged_polygons_valid (other.m_merged_polygons_valid),
m_merged_polygons_boc_hash (other.m_merged_polygons_boc_hash),
m_is_merged (other.m_is_merged)
{
if (m_merged_polygons_valid) {
m_merged_polygons = other.m_merged_polygons.copy ();
}
}
DeepRegion &
DeepRegion::operator= (const DeepRegion &other)
{
if (this != &other) {
AsIfFlatRegion::operator= (other);
DeepShapeCollectionDelegateBase::operator= (other);
m_merged_polygons_valid = other.m_merged_polygons_valid;
m_merged_polygons_boc_hash = other.m_merged_polygons_boc_hash;
m_is_merged = other.m_is_merged;
if (m_merged_polygons_valid) {
m_merged_polygons = other.m_merged_polygons.copy ();
}
}
return *this;
}
void DeepRegion::init ()
{
m_merged_polygons_valid = false;
m_merged_polygons_boc_hash = 0;
m_merged_polygons = db::DeepLayer ();
m_is_merged = false;
}
RegionDelegate *
DeepRegion::clone () const
{
return new DeepRegion (*this);
}
void DeepRegion::merged_semantics_changed ()
{
// .. nothing yet ..
}
void DeepRegion::min_coherence_changed ()
{
set_is_merged (false);
}
void DeepRegion::join_properties_on_merge_changed ()
{
set_is_merged (false);
}
void DeepRegion::do_insert (const db::Polygon &polygon, db::properties_id_type prop_id)
{
db::Layout &layout = deep_layer ().layout ();
if (layout.begin_top_down () != layout.end_top_down ()) {
db::Cell &top_cell = layout.cell (*layout.begin_top_down ());
db::Shapes &shapes = top_cell.shapes (deep_layer ().layer ());
if (prop_id == 0) {
shapes.insert (db::PolygonRef (polygon, layout.shape_repository ()));
} else {
shapes.insert (db::PolygonRefWithProperties (db::PolygonRef (polygon, layout.shape_repository ()), prop_id));
}
}
invalidate_bbox ();
set_is_merged (false);
}
template <class Trans>
static void transform_deep_layer (db::DeepLayer &deep_layer, const Trans &t)
{
if (t.equal (Trans (db::Disp (t.disp ())))) {
// Plain move
// build cell variants for different orientations and magnifications
db::MagnificationAndOrientationReducer same_orientation;
db::VariantsCollectorBase vars (&same_orientation);
vars.collect (&deep_layer.layout (), deep_layer.initial_cell ().cell_index ());
vars.separate_variants ();
// process the variants
db::Layout &layout = deep_layer.layout ();
for (db::Layout::iterator c = layout.begin (); c != layout.end (); ++c) {
const db::ICplxTrans &tv = vars.single_variant_transformation (c->cell_index ());
db::ICplxTrans tr (tv.inverted () * t.disp ());
db::Shapes &shapes = c->shapes (deep_layer.layer ());
db::Shapes new_shapes (layout.manager (), c.operator-> (), layout.is_editable ());
new_shapes.insert_transformed (shapes, tr);
shapes.swap (new_shapes);
}
} else {
// General transformation -> note that this is a flat implementation!
db::Layout &layout = deep_layer.layout ();
if (layout.begin_top_down () != layout.end_top_down ()) {
db::Cell &top_cell = layout.cell (*layout.begin_top_down ());
db::Shapes flat_shapes (layout.manager (), &top_cell, layout.is_editable ());
for (db::RecursiveShapeIterator iter (layout, top_cell, deep_layer.layer ()); !iter.at_end (); ++iter) {
db::Polygon poly;
iter->polygon (poly);
poly.transform (iter.trans ());
poly.transform (t);
flat_shapes.insert (db::PolygonRef (poly, layout.shape_repository ()));
}
layout.clear_layer (deep_layer.layer ());
top_cell.shapes (deep_layer.layer ()).swap (flat_shapes);
}
}
}
void DeepRegion::do_transform (const db::Trans &t)
{
transform_deep_layer (deep_layer (), t);
if (m_merged_polygons_valid && m_merged_polygons.layer () != deep_layer ().layer ()) {
transform_deep_layer (m_merged_polygons, t);
}
invalidate_bbox ();
}
void DeepRegion::do_transform (const db::ICplxTrans &t)
{
transform_deep_layer (deep_layer (), t);
if (m_merged_polygons_valid && m_merged_polygons.layer () != deep_layer ().layer ()) {
transform_deep_layer (m_merged_polygons, t);
}
invalidate_bbox ();
}
void DeepRegion::do_transform (const db::IMatrix2d &t)
{
transform_deep_layer (deep_layer (), t);
if (m_merged_polygons_valid && m_merged_polygons.layer () != deep_layer ().layer ()) {
transform_deep_layer (m_merged_polygons, t);
}
invalidate_bbox ();
}
void DeepRegion::do_transform (const db::IMatrix3d &t)
{
transform_deep_layer (deep_layer (), t);
if (m_merged_polygons_valid && m_merged_polygons.layer () != deep_layer ().layer ()) {
transform_deep_layer (m_merged_polygons, t);
}
invalidate_bbox ();
}
void DeepRegion::reserve (size_t)
{
// Not implemented for deep regions
}
static void
flatten_layer (db::DeepLayer &deep_layer)
{
db::Layout &layout = deep_layer.layout ();
if (layout.begin_top_down () != layout.end_top_down ()) {
db::Cell &top_cell = layout.cell (*layout.begin_top_down ());
db::Shapes flat_shapes (layout.is_editable ());
for (db::RecursiveShapeIterator iter (layout, top_cell, deep_layer.layer ()); !iter.at_end (); ++iter) {
if (iter->is_polygon ()) {
db::Polygon poly;
iter->polygon (poly);
if (! iter->prop_id ()) {
flat_shapes.insert (db::PolygonRef (poly.transformed (iter.trans ()), layout.shape_repository ()));
} else {
flat_shapes.insert (db::PolygonRefWithProperties (db::PolygonRef (poly.transformed (iter.trans ()), layout.shape_repository ()), iter->prop_id ()));
}
}
}
layout.clear_layer (deep_layer.layer ());
top_cell.shapes (deep_layer.layer ()).swap (flat_shapes);
}
}
void DeepRegion::flatten ()
{
flatten_layer (deep_layer ());
if (m_merged_polygons_valid) {
flatten_layer (const_cast<db::DeepLayer &> (merged_deep_layer ()));
}
}
RegionIteratorDelegate *
DeepRegion::begin () const
{
return new DeepRegionIterator (begin_iter ().first);
}
RegionIteratorDelegate *
DeepRegion::begin_merged () const
{
if (! merged_semantics ()) {
return begin ();
} else {
return new DeepRegionIterator (begin_merged_iter ().first);
}
}
RegionIteratorDelegate *
DeepRegion::begin_unmerged () const
{
ensure_unmerged_polygons_valid ();
return begin ();
}
std::pair<db::RecursiveShapeIterator, db::ICplxTrans>
DeepRegion::begin_iter () const
{
const db::Layout &layout = deep_layer ().layout ();
if (layout.cells () == 0) {
return std::make_pair (db::RecursiveShapeIterator (), db::ICplxTrans ());
} else {
const db::Cell &top_cell = layout.cell (*layout.begin_top_down ());
db::RecursiveShapeIterator iter (layout, top_cell, deep_layer ().layer ());
return std::make_pair (iter, db::ICplxTrans ());
}
}
std::pair<db::RecursiveShapeIterator, db::ICplxTrans>
DeepRegion::begin_merged_iter () const
{
if (! merged_semantics ()) {
return begin_iter ();
} else {
ensure_merged_polygons_valid ();
const db::Layout &layout = m_merged_polygons.layout ();
if (layout.cells () == 0) {
return std::make_pair (db::RecursiveShapeIterator (), db::ICplxTrans ());
} else {
const db::Cell &top_cell = layout.cell (*layout.begin_top_down ());
db::RecursiveShapeIterator iter (m_merged_polygons.layout (), top_cell, m_merged_polygons.layer ());
return std::make_pair (iter, db::ICplxTrans ());
}
}
}
std::pair<db::RecursiveShapeIterator, db::ICplxTrans>
DeepRegion::begin_unmerged_iter () const
{
ensure_unmerged_polygons_valid ();
return begin_iter ();
}
bool
DeepRegion::empty () const
{
return begin_iter ().first.at_end ();
}
bool
DeepRegion::is_merged () const
{
return m_is_merged;
}
const db::Polygon *
DeepRegion::nth (size_t) const
{
throw tl::Exception (tl::to_string (tr ("Random access to polygons is available only for flat regions")));
}
db::properties_id_type
DeepRegion::nth_prop_id (size_t) const
{
throw tl::Exception (tl::to_string (tr ("Random access to polygons is available only for flat regions")));
}
bool
DeepRegion::has_valid_polygons () const
{
return false;
}
bool
DeepRegion::has_valid_merged_polygons () const
{
return false;
}
const db::RecursiveShapeIterator *
DeepRegion::iter () const
{
return 0;
}
void DeepRegion::apply_property_translator (const db::PropertiesTranslator &pt)
{
DeepShapeCollectionDelegateBase::apply_property_translator (pt);
m_merged_polygons_valid = false;
m_merged_polygons_boc_hash = 0;
m_merged_polygons = db::DeepLayer ();
}
bool
DeepRegion::equals (const Region &other) const
{
const DeepRegion *other_delegate = dynamic_cast<const DeepRegion *> (other.delegate ());
if (other_delegate && &other_delegate->deep_layer ().layout () == &deep_layer ().layout ()
&& other_delegate->deep_layer ().layer () == deep_layer ().layer ()) {
return true;
} else {
return AsIfFlatRegion::equals (other);
}
}
bool
DeepRegion::less (const Region &other) const
{
const DeepRegion *other_delegate = dynamic_cast<const DeepRegion *> (other.delegate ());
if (other_delegate && &other_delegate->deep_layer ().layout () == &deep_layer ().layout ()) {
return other_delegate->deep_layer ().layer () < deep_layer ().layer ();
} else {
return AsIfFlatRegion::less (other);
}
}
namespace {
class ClusterMerger
{
public:
ClusterMerger (unsigned int layer, db::Layout &layout, const db::hier_clusters<db::PolygonRef> &hc, bool min_coherence, bool report_progress, const std::string &progress_desc)
: m_layer (layer), mp_layout (&layout), mp_hc (&hc), m_min_coherence (min_coherence), m_text_name_id (0), m_ep (report_progress, progress_desc)
{
// .. nothing yet ..
}
void set_base_verbosity (int vb)
{
m_ep.set_base_verbosity (vb);
}
/**
* @brief Specifies the label property name ID for pseudo-label polygons
* If set to 0, the merge does not skip pseudo-labels.
*/
void set_text_name (const tl::Variant &n)
{
if (n.is_nil ()) {
m_text_name_id = 0;
} else {
m_text_name_id = db::property_names_id (n);
}
}
db::Shapes &merged (size_t cid, db::cell_index_type ci, unsigned int min_wc = 0)
{
return compute_merged (cid, ci, true, min_wc);
}
void erase (size_t cid, db::cell_index_type ci)
{
m_merged_cluster.erase (std::make_pair (cid, ci));
m_property_id_per_cluster.erase (std::make_pair (cid, ci));
}
private:
std::map<std::pair<size_t, db::cell_index_type>, db::Shapes> m_merged_cluster;
std::map<std::pair<size_t, db::cell_index_type>, db::properties_id_type> m_property_id_per_cluster;
unsigned int m_layer;
db::Layout *mp_layout;
const db::hier_clusters<db::PolygonRef> *mp_hc;
bool m_min_coherence;
db::property_names_id_type m_text_name_id;
db::EdgeProcessor m_ep;
bool skip_pseudo_label (db::properties_id_type prop_id)
{
if (prop_id == 0 || m_text_name_id == 0) {
return false;
} else {
const db::PropertiesSet &ps = db::properties (prop_id);
return (ps.size () == 1 && ps.begin ()->first == m_text_name_id);
}
}
db::properties_id_type property_id (size_t cid, db::cell_index_type ci, bool initial)
{
std::map<std::pair<size_t, db::cell_index_type>, db::properties_id_type>::iterator s = m_property_id_per_cluster.find (std::make_pair (cid, ci));
// some sanity checks: initial clusters are single-use, are never generated twice and cannot be retrieved again
if (initial) {
tl_assert (s == m_property_id_per_cluster.end ());
}
if (s != m_property_id_per_cluster.end ()) {
return s->second;
}
const db::connected_clusters<db::PolygonRef> &cc = mp_hc->clusters_per_cell (ci);
const db::local_cluster<db::PolygonRef> &c = cc.cluster_by_id (cid);
// collect attributes (aka properties) of the root and the child clusters and join them
s = m_property_id_per_cluster.insert (std::make_pair (std::make_pair (cid, ci), db::properties_id_type (0))).first;
std::set<db::properties_id_type> attrs (c.begin_attr (), c.end_attr ());
const db::connected_clusters<db::PolygonRef>::connections_type &conn = cc.connections_for_cluster (cid);
for (db::connected_clusters<db::PolygonRef>::connections_type::const_iterator i = conn.begin (); i != conn.end (); ++i) {
auto prop_id = property_id (i->id (), i->inst_cell_index (), false);
if (prop_id != 0) {
attrs.insert (prop_id);
}
}
if (attrs.size () > 1) {
// join the properties
db::PropertiesSet ps;
for (auto a = attrs.begin (); a != attrs.end (); ++a) {
if (! skip_pseudo_label (*a)) {
// merge in "larger one wins" mode - the advantage of this mode is that
// it is independent on the order of the attribute sets (which in fact are pointers)
ps.join_max (db::properties (*a));
}
}
s->second = db::properties_id (ps);
} else if (! attrs.empty () && ! skip_pseudo_label (*attrs.begin ())) {
s->second = *attrs.begin ();
}
return s->second;
}
db::Shapes &compute_merged (size_t cid, db::cell_index_type ci, bool initial, unsigned int min_wc)
{
std::map<std::pair<size_t, db::cell_index_type>, db::Shapes>::iterator s = m_merged_cluster.find (std::make_pair (cid, ci));
// some sanity checks: initial clusters are single-use, are never generated twice and cannot be retrieved again
if (initial) {
tl_assert (s == m_merged_cluster.end ());
}
if (s != m_merged_cluster.end ()) {
return s->second;
}
s = m_merged_cluster.insert (std::make_pair (std::make_pair (cid, ci), db::Shapes (false))).first;
db::properties_id_type prop_id = property_id (cid, ci, initial);
const db::connected_clusters<db::PolygonRef> &cc = mp_hc->clusters_per_cell (ci);
const db::local_cluster<db::PolygonRef> &c = cc.cluster_by_id (cid);
if (min_wc > 0) {
// We cannot merge bottom-up in min_wc mode, so we just use the recursive cluster iterator
m_ep.clear ();
size_t pi = 0;
for (db::recursive_cluster_shape_iterator<db::PolygonRef> s = db::recursive_cluster_shape_iterator<db::PolygonRef> (*mp_hc, m_layer, ci, cid); !s.at_end (); ++s) {
db::Polygon poly = s->obj ();
poly.transform (s.trans () * db::ICplxTrans (s->trans ()));
m_ep.insert (poly, pi++);
}
} else {
std::list<std::pair<const db::Shapes *, db::ICplxTrans> > merged_child_clusters;
const db::connected_clusters<db::PolygonRef>::connections_type &conn = cc.connections_for_cluster (cid);
for (db::connected_clusters<db::PolygonRef>::connections_type::const_iterator i = conn.begin (); i != conn.end (); ++i) {
const db::Shapes &cc_shapes = compute_merged (i->id (), i->inst_cell_index (), false, min_wc);
merged_child_clusters.push_back (std::make_pair (&cc_shapes, i->inst_trans ()));
}
m_ep.clear ();
size_t pi = 0;
for (std::list<std::pair<const db::Shapes *, db::ICplxTrans> >::const_iterator i = merged_child_clusters.begin (); i != merged_child_clusters.end (); ++i) {
for (db::Shapes::shape_iterator s = i->first->begin (db::ShapeIterator::All); ! s.at_end (); ++s) {
if (s->is_polygon ()) {
db::Polygon poly;
s->polygon (poly);
m_ep.insert (poly.transformed (i->second), pi++);
}
}
}
for (db::local_cluster<db::PolygonRef>::shape_iterator s = c.begin (m_layer); !s.at_end (); ++s) {
db::Polygon poly = s->obj ();
poly.transform (s->trans ());
m_ep.insert (poly, pi++);
}
}
// and run the merge step
db::MergeOp op (min_wc);
db::PolygonRefToShapesGenerator pr (mp_layout, &s->second, prop_id);
db::PolygonGenerator pg (pr, false /*don't resolve holes*/, m_min_coherence);
m_ep.process (pg, op);
return s->second;
}
};
}
const DeepLayer &
DeepRegion::merged_deep_layer () const
{
if (merged_semantics ()) {
ensure_merged_polygons_valid ();
return m_merged_polygons;
} else {
return deep_layer ();
}
}
bool
DeepRegion::merged_polygons_available () const
{
return m_is_merged || (m_merged_polygons_valid && m_merged_polygons_boc_hash == deep_layer ().breakout_cells_hash ());
}
void
DeepRegion::ensure_merged_polygons_valid () const
{
if (! m_merged_polygons_valid || (! m_is_merged && m_merged_polygons_boc_hash != deep_layer ().breakout_cells_hash ())) {
if (m_is_merged) {
// NOTE: this will reuse the deep layer reference
m_merged_polygons = deep_layer ();
} else {
m_merged_polygons = deep_layer ().derived ();
tl::SelfTimer timer (tl::verbosity () > base_verbosity (), "Ensure merged polygons");
db::Layout &layout = const_cast<db::Layout &> (deep_layer ().layout ());
db::hier_clusters<db::PolygonRef> hc;
db::Connectivity conn;
conn.connect (deep_layer ());
hc.set_base_verbosity (base_verbosity () + 10);
hc.build (layout, deep_layer ().initial_cell (), conn, 0, deep_layer ().breakout_cells (), ! join_properties_on_merge ());
// collect the clusters and merge them into big polygons
// NOTE: using the ClusterMerger we merge bottom-up forming bigger and bigger polygons. This is
// hopefully more efficient that collecting everything and will lead to reuse of parts.
ClusterMerger cm (deep_layer ().layer (), layout, hc, min_coherence (), report_progress (), progress_desc ());
cm.set_base_verbosity (base_verbosity () + 10);
// Specify the property name ID for the pseudo-labels, so we can filter out those properties
// (for backward compatibility only if join_properties_on_merge is true - if we don't with
// join_properties_on_merge, the pseudo-label properties may get attached to other shapes which
// will be taken as texts then)
if (join_properties_on_merge ()) {
cm.set_text_name (deep_layer ().store ()->text_property_name ());
}
// TODO: iterate only over the called cells?
for (db::Layout::iterator c = layout.begin (); c != layout.end (); ++c) {
const db::connected_clusters<db::PolygonRef> &cc = hc.clusters_per_cell (c->cell_index ());
for (db::connected_clusters<db::PolygonRef>::all_iterator cl = cc.begin_all (); ! cl.at_end (); ++cl) {
if (cc.is_root (*cl)) {
db::Shapes &s = cm.merged (*cl, c->cell_index ());
c->shapes (m_merged_polygons.layer ()).insert (s);
cm.erase (*cl, c->cell_index ()); // not needed anymore
}
}
}
}
m_merged_polygons_valid = true;
m_merged_polygons_boc_hash = deep_layer ().breakout_cells_hash ();
}
}
void
DeepRegion::ensure_unmerged_polygons_valid () const
{
if (! m_is_merged ||
(deep_layer ().store ()->max_area_ratio () == 0.0 && deep_layer ().store ()->max_vertex_count () == 0)) {
return;
}
m_merged_polygons = deep_layer ().derived ();
db::DeepLayer &polygons = const_cast<db::DeepLayer &> (deep_layer ());
m_merged_polygons_valid = true;
m_is_merged = false;
m_merged_polygons_boc_hash = deep_layer ().breakout_cells_hash ();
db::Layout &layout = polygons.layout ();
polygons.swap (m_merged_polygons);
for (db::Layout::iterator c = layout.begin (); c != layout.end (); ++c) {
const db::Shapes &s = c->shapes (m_merged_polygons.layer ());
db::Shapes &st = c->shapes (deep_layer ().layer ());
db::PolygonRefToShapesGenerator pr (&layout, &st);
db::PolygonSplitter splitter (pr, polygons.store ()->max_area_ratio (), polygons.store ()->max_vertex_count ());
splitter.start ();
for (auto p = s.begin (db::ShapeIterator::All); ! p.at_end (); ++p) {
if (p->is_polygon ()) {
pr.set_prop_id (p->prop_id ());
db::Polygon poly;
p->polygon (poly);
splitter.put (poly);
}
}
splitter.flush ();
}
}
void
DeepRegion::set_is_merged (bool f)
{
m_is_merged = f;
m_merged_polygons_valid = false;
m_merged_polygons_boc_hash = 0;
m_merged_polygons = db::DeepLayer ();
}
void
DeepRegion::insert_into (db::Layout *layout, db::cell_index_type into_cell, unsigned int into_layer) const
{
deep_layer ().insert_into (layout, into_cell, into_layer);
}
RegionDelegate *
DeepRegion::nets (LayoutToNetlist *l2n, NetPropertyMode prop_mode, const tl::Variant &net_prop_name, const std::vector<const db::Net *> *nets) const
{
db::NetBuilder &net_builder = deep_layer ().store_non_const ()->net_builder_for (l2n);
if (&l2n->dss () != deep_layer ().store ()) {
throw tl::Exception (tl::to_string (tr ("Extracted netlist is from different scope as this layer - cannot pull net shapes")));
}
DeepLayer result = deep_layer ().derived ();
tl::optional<unsigned int> li = l2n->layer_by_original (this);
if (! li.has_value ()) {
throw tl::Exception (tl::to_string (tr ("The given layer is not an original layer used in netlist extraction")));
}
std::map<unsigned int, unsigned int> lmap;
lmap.insert (std::make_pair (result.layer (), li.value ()));
net_builder.build_nets (nets, lmap, prop_mode, net_prop_name);
return new db::DeepRegion (result);
}
namespace {
/**
* @brief Implements a boolean, top-down NOT operation with property handling for the "peel" feature
*/
class PushHierLocalOperationWithProperties
: public local_operation<db::object_with_properties<db::PolygonRef>, db::object_with_properties<db::PolygonRef>, db::object_with_properties<db::PolygonRef> >
{
public:
PushHierLocalOperationWithProperties (double complexity_factor)
: local_operation<db::object_with_properties<db::PolygonRef>, db::object_with_properties<db::PolygonRef>, db::object_with_properties<db::PolygonRef> > (),
m_complexity_factor (complexity_factor)
{
// .. nothing yet ..
}
OnEmptyIntruderHint on_empty_intruder_hint () const { return Copy; }
std::string description () const
{
return tl::to_string (tr ("'peel' operation"));
}
virtual void do_compute_local (db::Layout *layout, db::Cell * /*subject_cell*/, const shape_interactions<db::object_with_properties<db::PolygonRef>, db::object_with_properties<db::PolygonRef> > &interactions, std::vector<std::unordered_set<db::object_with_properties<db::PolygonRef> > > &results, const db::LocalProcessorBase *proc) const
{
tl_assert (results.size () == 1);
auto &result = results.front ();
db::EdgeProcessor ep;
for (auto i = interactions.begin (); i != interactions.end (); ++i) {
const auto &subject = interactions.subject_shape (i->first);
db::properties_id_type prop_id = subject.properties_id ();
if (i->second.empty ()) {
result.insert (subject);
} else {
ep.clear ();
const auto &subject = interactions.subject_shape (i->first);
for (auto e = subject.begin_edge (); ! e.at_end(); ++e) {
ep.insert (*e, 0);
}
size_t p2 = 1;
for (auto ii = i->second.begin (); ii != i->second.end (); ++ii) {
const auto &intruder = interactions.intruder_shape (*ii);
for (auto e = intruder.second.begin_edge (); ! e.at_end(); ++e) {
ep.insert (*e, p2);
}
p2 += 2;
}
std::unordered_set<db::object_with_properties<db::PolygonRef> > result1;
db::BooleanOp op (db::BooleanOp::ANotB);
db::polygon_ref_generator_with_properties<db::object_with_properties<db::PolygonRef> > pr (layout, result1, prop_id);
db::PolygonSplitter splitter (pr, proc->area_ratio (), proc->max_vertex_count ());
db::PolygonGenerator pg (splitter, true, true);
ep.set_base_verbosity (50);
ep.process (pg, op);
if (result1.empty ()) {
// shortcut: nothing to do
} else if (m_complexity_factor < 0.0) {
// no complexity limit
result.insert (result1.begin (), result1.end ());
} else if (m_complexity_factor == 0.0) {
// only remove shape if it is really entirely covered in this case
result.insert (subject);
} else {
size_t vertices_before = subject.vertices ();
size_t vertices_after = 0;
for (auto r = result1.begin (); r != result1.end (); ++r) {
vertices_after += r->vertices ();
}
if (floor (0.5 + m_complexity_factor * vertices_before) >= vertices_after) {
result.insert (result1.begin (), result1.end ());
} else {
result.insert (subject);
}
}
}
}
}
private:
double m_complexity_factor;
};
}
RegionDelegate *
DeepRegion::peel (double complexity_factor) const
{
if (empty ()) {
// we can return "this", as this method is only intended for in-place execution inside Region
return const_cast<DeepRegion *> (this);
}
DeepLayer dl_out (deep_layer ().derived ());
PushHierLocalOperationWithProperties op (complexity_factor);
db::local_processor<db::PolygonRefWithProperties, db::PolygonRefWithProperties, db::PolygonRefWithProperties> proc (const_cast<db::Layout *> (&deep_layer ().layout ()), const_cast<db::Cell *> (&deep_layer ().initial_cell ()), deep_layer ().breakout_cells ());
configure_proc (proc);
proc.set_threads (deep_layer ().store ()->threads ());
proc.set_area_ratio (deep_layer ().store ()->max_area_ratio ());
proc.set_max_vertex_count (deep_layer ().store ()->max_vertex_count ());
// with this setting, only top-down interactions are considered
proc.set_top_down (true);
proc.run (&op, deep_layer ().layer (), deep_layer ().layer (), dl_out.layer ());
return new DeepRegion (dl_out);
}
RegionDelegate *
DeepRegion::and_with (const Region &other, PropertyConstraint property_constraint) const
{
const DeepRegion *other_deep = dynamic_cast <const DeepRegion *> (other.delegate ());
if (empty ()) {
return clone ()->remove_properties (pc_remove (property_constraint));
} else if (other.empty ()) {
return other.delegate ()->clone ()->remove_properties (pc_remove (property_constraint));
} else if (! other_deep) {
return AsIfFlatRegion::and_with (other, property_constraint);
} else if (other_deep->deep_layer () == deep_layer () && pc_skip (property_constraint)) {
return clone ();
} else {
return new DeepRegion (and_with_impl (other_deep, property_constraint));
}
}
RegionDelegate *
DeepRegion::not_with (const Region &other, PropertyConstraint property_constraint) const
{
const DeepRegion *other_deep = dynamic_cast <const DeepRegion *> (other.delegate ());
if (empty () || other.empty ()) {
return clone ()->remove_properties (pc_remove (property_constraint));
} else if (! other_deep) {
return AsIfFlatRegion::not_with (other, property_constraint);
} else if (other_deep->deep_layer () == deep_layer () && pc_skip (property_constraint)) {
return new DeepRegion (deep_layer ().derived ());
} else {
return new DeepRegion (not_with_impl (other_deep, property_constraint));
}
}
RegionDelegate *
DeepRegion::or_with (const Region &other, db::PropertyConstraint property_constraint) const
{
const DeepRegion *other_deep = dynamic_cast <const DeepRegion *> (other.delegate ());
if (other_deep && other_deep->deep_layer () == deep_layer () && pc_skip (property_constraint)) {
return clone ();
}
// TODO: implement property_constraint
RegionDelegate *res = add (other);
return res->merged_in_place ();
}
std::pair<RegionDelegate *, RegionDelegate *>
DeepRegion::andnot_with (const Region &other, PropertyConstraint property_constraint) const
{
const DeepRegion *other_deep = dynamic_cast <const DeepRegion *> (other.delegate ());
if (empty ()) {
return std::make_pair (clone ()->remove_properties (pc_remove (property_constraint)), clone ()->remove_properties (pc_remove (property_constraint)));
} else if (other.empty ()) {
return std::make_pair (other.delegate ()->clone ()->remove_properties (pc_remove (property_constraint)), clone ()->remove_properties (pc_remove (property_constraint)));
} else if (! other_deep) {
return AsIfFlatRegion::andnot_with (other, property_constraint);
} else if (other_deep->deep_layer () == deep_layer () && pc_skip (property_constraint)) {
return std::make_pair (clone (), new DeepRegion (deep_layer ().derived ()));
} else {
std::pair<DeepLayer, DeepLayer> res = and_and_not_with (other_deep, property_constraint);
return std::make_pair (new DeepRegion (res.first), new DeepRegion (res.second));
}
}
DeepLayer
DeepRegion::and_with_impl (const DeepRegion *other, db::PropertyConstraint property_constraint) const
{
// booleans run better on simple polygons
ensure_unmerged_polygons_valid ();
other->ensure_unmerged_polygons_valid ();
DeepLayer dl_out (deep_layer ().derived ());
if (pc_skip (property_constraint)) {
db::BoolAndOrNotLocalOperation op (true);
db::local_processor<db::PolygonRef, db::PolygonRef, db::PolygonRef> proc (const_cast<db::Layout *> (&deep_layer ().layout ()), const_cast<db::Cell *> (&deep_layer ().initial_cell ()), &other->deep_layer ().layout (), &other->deep_layer ().initial_cell (), deep_layer ().breakout_cells (), other->deep_layer ().breakout_cells ());
configure_proc (proc);
proc.set_threads (deep_layer ().store ()->threads ());
proc.set_area_ratio (deep_layer ().store ()->max_area_ratio ());
proc.set_max_vertex_count (deep_layer ().store ()->max_vertex_count ());
proc.run (&op, deep_layer ().layer (), other->deep_layer ().layer (), dl_out.layer ());
} else {
db::BoolAndOrNotLocalOperationWithProperties op (true, property_constraint);
db::local_processor<db::PolygonRefWithProperties, db::PolygonRefWithProperties, db::PolygonRefWithProperties> proc (const_cast<db::Layout *> (&deep_layer ().layout ()), const_cast<db::Cell *> (&deep_layer ().initial_cell ()), &other->deep_layer ().layout (), &other->deep_layer ().initial_cell (), deep_layer ().breakout_cells (), other->deep_layer ().breakout_cells ());
configure_proc (proc);
proc.set_threads (deep_layer ().store ()->threads ());
proc.set_area_ratio (deep_layer ().store ()->max_area_ratio ());
proc.set_max_vertex_count (deep_layer ().store ()->max_vertex_count ());
proc.run (&op, deep_layer ().layer (), other->deep_layer ().layer (), dl_out.layer ());
}
return dl_out;
}
DeepLayer
DeepRegion::not_with_impl (const DeepRegion *other, db::PropertyConstraint property_constraint) const
{
// booleans run better on simple polygons
ensure_unmerged_polygons_valid ();
other->ensure_unmerged_polygons_valid ();
DeepLayer dl_out (deep_layer ().derived ());
DeepLayer dl_prep;
// first run a local-only task, which is trivial if the layouts are the same
// TODO: consider property constraints too.
if (deep_layer ().layout_index () == other->deep_layer ().layout_index () && pc_skip (property_constraint)) {
dl_prep = deep_layer ().derived ();
unsigned int layer_this = deep_layer ().layer ();
unsigned int layer_other = other->deep_layer ().layer ();
unsigned int layer_out = dl_prep.layer ();
db::Layout &layout = dl_prep.layout ();
bool any = false;
if (layer_this != layer_other) {
std::set<db::cell_index_type> called;
deep_layer ().initial_cell ().collect_called_cells (called);
called.insert (deep_layer ().initial_cell ().cell_index ());
for (auto ci = called.begin (); ci != called.end (); ++ci) {
db::Cell &cell = layout.cell (*ci);
db::Shapes &shapes_out = cell.shapes (layer_out);
const db::Shapes &shapes_this = cell.shapes (layer_this);
const db::Shapes &shapes_other = cell.shapes (layer_other);
db::Box overlap = (shapes_this.bbox () & shapes_other.bbox ());
if (! overlap.empty ()) {
std::set<db::PolygonRef> others;
for (auto si = shapes_other.begin (db::ShapeIterator::Polygons); ! si.at_end (); ++si) {
if (si->type () == db::Shape::PolygonRef) {
others.insert (si->polygon_ref ());
}
}
for (auto si = shapes_this.begin (db::ShapeIterator::Polygons); ! si.at_end (); ++si) {
if (si->type () == db::Shape::PolygonRef && others.find (si->polygon_ref ()) != others.end ()) {
// drop duplicate
} else {
any = true;
shapes_out.insert (*si);
}
}
} else if (! shapes_this.empty ()) {
any = true;
shapes_out = shapes_this;
}
}
}
// stop if empty
if (! any) {
return dl_prep;
}
} else {
dl_prep = deep_layer ();
}
if (pc_skip (property_constraint)) {
db::BoolAndOrNotLocalOperation op (false);
db::local_processor<db::PolygonRef, db::PolygonRef, db::PolygonRef> proc (const_cast<db::Layout *> (&deep_layer ().layout ()), const_cast<db::Cell *> (&deep_layer ().initial_cell ()), &other->deep_layer ().layout (), &other->deep_layer ().initial_cell (), deep_layer ().breakout_cells (), other->deep_layer ().breakout_cells ());
configure_proc (proc);
proc.set_threads (deep_layer ().store ()->threads ());
proc.set_area_ratio (deep_layer ().store ()->max_area_ratio ());
proc.set_max_vertex_count (deep_layer ().store ()->max_vertex_count ());
proc.run (&op, dl_prep.layer (), other->deep_layer ().layer (), dl_out.layer ());
} else {
db::BoolAndOrNotLocalOperationWithProperties op (false, property_constraint);
db::local_processor<db::PolygonRefWithProperties, db::PolygonRefWithProperties, db::PolygonRefWithProperties> proc (const_cast<db::Layout *> (&deep_layer ().layout ()), const_cast<db::Cell *> (&deep_layer ().initial_cell ()), &other->deep_layer ().layout (), &other->deep_layer ().initial_cell (), deep_layer ().breakout_cells (), other->deep_layer ().breakout_cells ());
configure_proc (proc);
proc.set_threads (deep_layer ().store ()->threads ());
proc.set_area_ratio (deep_layer ().store ()->max_area_ratio ());
proc.set_max_vertex_count (deep_layer ().store ()->max_vertex_count ());
proc.run (&op, dl_prep.layer (), other->deep_layer ().layer (), dl_out.layer ());
}
return dl_out;
}
std::pair<DeepLayer, DeepLayer>
DeepRegion::and_and_not_with (const DeepRegion *other, PropertyConstraint property_constraint) const
{
// booleans run better on simple polygons
ensure_unmerged_polygons_valid ();
other->ensure_unmerged_polygons_valid ();
DeepLayer dl_out1 (deep_layer ().derived ());
DeepLayer dl_out2 (deep_layer ().derived ());
if (pc_skip (property_constraint)) {
db::TwoBoolAndNotLocalOperation op;
db::local_processor<db::PolygonRef, db::PolygonRef, db::PolygonRef> proc (const_cast<db::Layout *> (&deep_layer ().layout ()), const_cast<db::Cell *> (&deep_layer ().initial_cell ()), &other->deep_layer ().layout (), &other->deep_layer ().initial_cell (), deep_layer ().breakout_cells (), other->deep_layer ().breakout_cells ());
configure_proc (proc);
proc.set_threads (deep_layer ().store ()->threads ());
proc.set_area_ratio (deep_layer ().store ()->max_area_ratio ());
proc.set_max_vertex_count (deep_layer ().store ()->max_vertex_count ());
std::vector<unsigned int> il;
il.push_back (other->deep_layer ().layer ());
std::vector<unsigned int> ol;
ol.push_back (dl_out1.layer ());
ol.push_back (dl_out2.layer ());
proc.run (&op, deep_layer ().layer (), il, ol);
} else {
db::TwoBoolAndNotLocalOperationWithProperties op (property_constraint);
db::local_processor<db::PolygonRefWithProperties, db::PolygonRefWithProperties, db::PolygonRefWithProperties> proc (const_cast<db::Layout *> (&deep_layer ().layout ()), const_cast<db::Cell *> (&deep_layer ().initial_cell ()), &other->deep_layer ().layout (), &other->deep_layer ().initial_cell (), deep_layer ().breakout_cells (), other->deep_layer ().breakout_cells ());
configure_proc (proc);
proc.set_threads (deep_layer ().store ()->threads ());
proc.set_area_ratio (deep_layer ().store ()->max_area_ratio ());
proc.set_max_vertex_count (deep_layer ().store ()->max_vertex_count ());
std::vector<unsigned int> il;
il.push_back (other->deep_layer ().layer ());
std::vector<unsigned int> ol;
ol.push_back (dl_out1.layer ());
ol.push_back (dl_out2.layer ());
proc.run (&op, deep_layer ().layer (), il, ol);
}
return std::make_pair (dl_out1, dl_out2);
}
RegionDelegate *
DeepRegion::xor_with (const Region &other, db::PropertyConstraint property_constraint) const
{
const DeepRegion *other_deep = dynamic_cast <const DeepRegion *> (other.delegate ());
if (other.empty ()) {
// Nothing to do
return clone ();
} else if (! other_deep) {
return AsIfFlatRegion::xor_with (other, property_constraint);
} else if (empty ()) {
// Nothing to do, but to maintain the normal behavior, we have to map the other
// input to our layout if neccessary
if (&other_deep->deep_layer ().layout () == &deep_layer ().layout ()) {
return other.delegate ()->clone ();
} else {
std::unique_ptr<DeepRegion> other_deep_mapped (dynamic_cast<DeepRegion *> (clone ()));
other_deep_mapped->deep_layer ().add_from (other_deep->deep_layer ());
return other_deep_mapped.release ();
}
} else if (other_deep->deep_layer () == deep_layer () && pc_skip (property_constraint)) {
return new DeepRegion (deep_layer ().derived ());
} else {
// Implement XOR as (A-B)+(B-A) - only this implementation
// is compatible with the local processor scheme
// Prepare a version of "other_deep" that is mapped into the hierarchy space
// of "this"
std::unique_ptr<DeepRegion> other_deep_mapped;
if (&other_deep->deep_layer ().layout () == &deep_layer ().layout ()) {
// shallow copy for reconfiguration (progress etc.)
other_deep_mapped.reset (new DeepRegion (other_deep->deep_layer ()));
} else {
// deep copy with mapped hierarchy
other_deep_mapped.reset (new DeepRegion (deep_layer ().derived ()));
other_deep_mapped->deep_layer ().add_from (other_deep->deep_layer ());
}
other_deep_mapped->set_strict_handling (strict_handling ());
other_deep_mapped->set_base_verbosity (base_verbosity ());
if (report_progress ()) {
other_deep_mapped->enable_progress (progress_desc () + tl::to_string (tr (" - reverse part")));
} else {
other_deep_mapped->disable_progress ();
}
DeepLayer n1 (not_with_impl (other_deep_mapped.get (), property_constraint));
DeepLayer n2 (other_deep_mapped->not_with_impl (this, property_constraint));
n1.add_from (n2);
return new DeepRegion (n1);
}
}
RegionDelegate *
DeepRegion::add_in_place (const Region &other)
{
if (other.empty ()) {
return this;
}
const DeepRegion *other_deep = dynamic_cast <const DeepRegion *> (other.delegate ());
if (other_deep) {
// NOTE: as we don't benefit from merged shapes here, we prefer unmerged ones
// for potentially better performance.
other_deep->ensure_unmerged_polygons_valid ();
deep_layer ().add_from (other_deep->deep_layer ());
} else {
// non-deep to deep merge (flat)
db::Shapes &shapes = deep_layer ().initial_cell ().shapes (deep_layer ().layer ());
db::PolygonRefToShapesGenerator pr (const_cast<db::Layout *> (& deep_layer ().layout ()), &shapes);
for (db::Region::const_iterator p = other.begin (); ! p.at_end (); ++p) {
pr.set_prop_id (p.prop_id ());
pr.put (*p);
}
}
set_is_merged (false);
return this;
}
RegionDelegate *
DeepRegion::add (const Region &other) const
{
if (other.empty ()) {
return clone ();
} else if (empty ()) {
return other.delegate ()->clone ();
} else {
DeepRegion *new_region = dynamic_cast<DeepRegion *> (clone ());
new_region->add_in_place (other);
return new_region;
}
}
static int is_box_from_iter (db::RecursiveShapeIterator i)
{
if (i.at_end ()) {
return true;
}
if (i->is_box ()) {
++i;
if (i.at_end ()) {
return true;
}
} else if (i->is_path () || i->is_polygon ()) {
db::Polygon poly;
i->polygon (poly);
if (poly.is_box ()) {
++i;
if (i.at_end ()) {
return true;
}
}
}
return false;
}
bool
DeepRegion::is_box () const
{
return is_box_from_iter (begin_iter ().first);
}
size_t
DeepRegion::count () const
{
if (empty ()) {
return 0;
}
size_t n = 0;
const db::Layout &layout = deep_layer ().layout ();
db::CellCounter cc (&layout);
for (db::Layout::top_down_const_iterator c = layout.begin_top_down (); c != layout.end_top_down (); ++c) {
n += cc.weight (*c) * layout.cell (*c).shapes (deep_layer ().layer ()).size ();
}
return n;
}
size_t
DeepRegion::hier_count () const
{
if (empty ()) {
return 0;
}
size_t n = 0;
const db::Layout &layout = deep_layer ().layout ();
for (db::Layout::top_down_const_iterator c = layout.begin_top_down (); c != layout.end_top_down (); ++c) {
n += layout.cell (*c).shapes (deep_layer ().layer ()).size ();
}
return n;
}
DeepRegion::area_type
DeepRegion::area (const db::Box &box) const
{
if (empty ()) {
return 0;
}
if (box.empty ()) {
const db::DeepLayer &polygons = merged_deep_layer ();
db::cell_variants_statistics<db::MagnificationReducer> vars;
vars.collect (&polygons.layout (), polygons.initial_cell ().cell_index ());
DeepRegion::area_type a = 0;
const db::Layout &layout = polygons.layout ();
for (db::Layout::top_down_const_iterator c = layout.begin_top_down (); c != layout.end_top_down (); ++c) {
DeepRegion::area_type ac = 0;
for (db::ShapeIterator s = layout.cell (*c).shapes (polygons.layer ()).begin (db::ShapeIterator::All); ! s.at_end (); ++s) {
ac += s->area ();
}
const std::map<db::ICplxTrans, size_t> &vv = vars.variants (*c);
for (auto v = vv.begin (); v != vv.end (); ++v) {
double mag = v->first.mag ();
a += v->second * ac * mag * mag;
}
}
return a;
} else {
// In the clipped case fall back to flat mode
return db::AsIfFlatRegion::area (box);
}
}
DeepRegion::perimeter_type
DeepRegion::perimeter (const db::Box &box) const
{
if (empty ()) {
return 0;
}
if (box.empty ()) {
const db::DeepLayer &polygons = merged_deep_layer ();
db::cell_variants_statistics<db::MagnificationReducer> vars;
vars.collect (&polygons.layout (), polygons.initial_cell ().cell_index ());
DeepRegion::perimeter_type p = 0;
const db::Layout &layout = polygons.layout ();
for (db::Layout::top_down_const_iterator c = layout.begin_top_down (); c != layout.end_top_down (); ++c) {
DeepRegion::perimeter_type pc = 0;
for (db::ShapeIterator s = layout.cell (*c).shapes (polygons.layer ()).begin (db::ShapeIterator::All); ! s.at_end (); ++s) {
pc += s->perimeter ();
}
const std::map<db::ICplxTrans, size_t> &vv = vars.variants (*c);
for (auto v = vv.begin (); v != vv.end (); ++v) {
double mag = v->first.mag ();
p += v->second * pc * mag;
}
}
return p;
} else {
// In the clipped case fall back to flat mode
return db::AsIfFlatRegion::perimeter (box);
}
}
Box
DeepRegion::bbox () const
{
return deep_layer ().initial_cell ().bbox (deep_layer ().layer ());
}
std::string
DeepRegion::to_string (size_t nmax) const
{
return db::AsIfFlatRegion::to_string (nmax);
}
EdgePairsDelegate *
DeepRegion::grid_check (db::Coord gx, db::Coord gy) const
{
if (empty ()) {
return new EmptyEdgePairs ();
}
if (gx < 0 || gy < 0) {
throw tl::Exception (tl::to_string (tr ("Grid check requires a positive grid value")));
}
if (gx != gy) {
// no way doing this hierarchically ?
return db::AsIfFlatRegion::grid_check (gx, gy);
}
if (gx == 0) {
return new EmptyEdgePairs ();
}
const db::DeepLayer &polygons = merged_deep_layer ();
db::Layout &layout = const_cast<db::Layout &> (polygons.layout ());
db::cell_variants_collector<db::GridReducer> vars (gx);
vars.collect (&layout, polygons.initial_cell ().cell_index ());
std::map<db::cell_index_type, std::map<db::ICplxTrans, db::Shapes> > to_commit;
std::unique_ptr<db::DeepEdgePairs> res (new db::DeepEdgePairs (polygons.derived ()));
for (db::Layout::iterator c = layout.begin (); c != layout.end (); ++c) {
const db::Shapes &shapes = c->shapes (polygons.layer ());
const std::set<db::ICplxTrans> &vv = vars.variants (c->cell_index ());
for (auto v = vv.begin (); v != vv.end (); ++v) {
db::Shapes *markers;
if (vv.size () == 1) {
markers = & c->shapes (res->deep_layer ().layer ());
} else {
markers = & to_commit [c->cell_index ()] [*v];
}
for (db::Shapes::shape_iterator si = shapes.begin (db::ShapeIterator::All); ! si.at_end (); ++si) {
db::Polygon poly;
si->polygon (poly);
AsIfFlatRegion::produce_markers_for_grid_check (poly, *v, gx, gy, *markers);
}
}
}
// propagate the markers with a similar algorithm used for producing the variants
vars.commit_shapes (res->deep_layer ().layer (), to_commit);
return res.release ();
}
EdgePairsDelegate *
DeepRegion::angle_check (double min, double max, bool inverse) const
{
if (empty ()) {
return new DeepEdgePairs (deep_layer ().derived ());
}
const db::DeepLayer &polygons = merged_deep_layer ();
db::Layout &layout = const_cast<db::Layout &> (polygons.layout ());
std::unique_ptr<db::DeepEdgePairs> res (new db::DeepEdgePairs (polygons.derived ()));
for (db::Layout::iterator c = layout.begin (); c != layout.end (); ++c) {
const db::Shapes &shapes = c->shapes (polygons.layer ());
db::Shapes &markers = c->shapes (res->deep_layer ().layer ());
for (db::Shapes::shape_iterator si = shapes.begin (db::ShapeIterator::All); ! si.at_end (); ++si) {
db::Polygon poly;
si->polygon (poly);
AsIfFlatRegion::produce_markers_for_angle_check (poly, db::UnitTrans (), min, max, inverse, markers);
}
}
return res.release ();
}
RegionDelegate *
DeepRegion::snapped (db::Coord gx, db::Coord gy)
{
if (empty ()) {
return clone ();
}
if (gx < 0 || gy < 0) {
throw tl::Exception (tl::to_string (tr ("Snapping requires a positive grid value")));
}
if (gx != gy) {
// no way doing this hierarchically ?
return db::AsIfFlatRegion::snapped (gx, gy);
}
if (! gx) {
return clone ();
}
const db::DeepLayer &polygons = merged_deep_layer ();
db::Layout &layout = const_cast<db::Layout &> (polygons.layout ());
db::cell_variants_collector<db::GridReducer> vars (gx);
vars.collect (&layout, polygons.initial_cell ().cell_index ());
vars.separate_variants ();
std::vector<db::Point> heap;
std::unique_ptr<db::DeepRegion> res (new db::DeepRegion (polygons.derived ()));
for (db::Layout::iterator c = layout.begin (); c != layout.end (); ++c) {
const db::ICplxTrans &tr = vars.single_variant_transformation (c->cell_index ());
db::ICplxTrans trinv = tr.inverted ();
const db::Shapes &s = c->shapes (polygons.layer ());
db::Shapes &st = c->shapes (res->deep_layer ().layer ());
db::PolygonRefToShapesGenerator pr (&layout, &st);
for (db::Shapes::shape_iterator si = s.begin (db::ShapeIterator::All); ! si.at_end (); ++si) {
db::Polygon poly;
si->polygon (poly);
poly.transform (tr);
pr.put (snapped_polygon (poly, gx, gy, heap).transformed (trinv));
}
}
return res.release ();
}
EdgesDelegate *
DeepRegion::edges (const EdgeFilterBase *filter, const PolygonToEdgeProcessorBase *proc) const
{
std::unique_ptr<db::DeepEdges> res (new db::DeepEdges (deep_layer ().derived ()));
if (empty ()) {
return res.release ();
}
if (! proc && ! filter && merged_semantics () && ! merged_polygons_available ()) {
// Hierarchical edge detector - no pre-merge required
const db::DeepLayer &polygons = deep_layer ();
db::PolygonToEdgeLocalOperation op;
db::local_processor<db::PolygonRefWithProperties, db::PolygonRefWithProperties, db::EdgeWithProperties> proc (&res->deep_layer ().layout (), &res->deep_layer ().initial_cell (), polygons.breakout_cells ());
configure_proc (proc);
proc.set_threads (polygons.store ()->threads ());
// a boolean core makes somewhat better hierarchy
proc.set_boolean_core (true);
proc.run (&op, polygons.layer (), foreign_idlayer (), res->deep_layer ().layer ());
} else {
const db::DeepLayer &polygons = merged_deep_layer ();
std::unique_ptr<VariantsCollectorBase> vars;
db::Layout &layout = const_cast<db::Layout &> (polygons.layout ());
if (filter && filter->vars ()) {
vars.reset (new db::VariantsCollectorBase (filter->vars ()));
vars->collect (&layout, polygons.initial_cell ().cell_index ());
vars->separate_variants ();
}
for (db::Layout::iterator c = layout.begin (); c != layout.end (); ++c) {
db::ICplxTrans tr;
if (vars.get ()) {
tr = vars->single_variant_transformation (c->cell_index ());
}
const db::Shapes &s = c->shapes (polygons.layer ());
db::Shapes &st = c->shapes (res->deep_layer ().layer ());
std::vector<db::EdgeWithProperties> heap;
for (db::Shapes::shape_iterator si = s.begin (db::ShapeIterator::All); ! si.at_end (); ++si) {
db::PolygonWithProperties poly;
si->polygon (poly);
poly.properties_id (si->prop_id ());
if (proc) {
heap.clear ();
proc->process (poly, heap);
for (auto e = heap.begin (); e != heap.end (); ++e) {
if (! filter || filter->selected ((*e).transformed (tr), e->properties_id ())) {
st.insert (*e);
}
}
} else {
for (db::Polygon::polygon_edge_iterator e = poly.begin_edge (); ! e.at_end (); ++e) {
if (! filter || filter->selected ((*e).transformed (tr), poly.properties_id ())) {
st.insert (db::EdgeWithProperties (*e, poly.properties_id ()));
}
}
}
}
}
res->set_is_merged (merged_semantics () || is_merged ());
}
return res.release ();
}
RegionDelegate *
DeepRegion::process_in_place (const PolygonProcessorBase &filter)
{
if (empty ()) {
return this;
}
// TODO: implement to be really in-place
return processed (filter);
}
EdgesDelegate *
DeepRegion::processed_to_edges (const PolygonToEdgeProcessorBase &filter) const
{
if (empty ()) {
return new db::DeepEdges (deep_layer ().derived ());
}
return shape_collection_processed_impl<db::Polygon, db::Edge, db::DeepEdges> (filter.requires_raw_input () ? deep_layer () : merged_deep_layer (), filter);
}
EdgePairsDelegate *
DeepRegion::processed_to_edge_pairs (const PolygonToEdgePairProcessorBase &filter) const
{
if (empty ()) {
return new db::DeepEdgePairs (deep_layer ().derived ());
}
return shape_collection_processed_impl<db::Polygon, db::EdgePair, db::DeepEdgePairs> (filter.requires_raw_input () ? deep_layer () : merged_deep_layer (), filter);
}
RegionDelegate *
DeepRegion::processed (const PolygonProcessorBase &filter) const
{
if (empty ()) {
return clone ();
}
return shape_collection_processed_impl<db::Polygon, db::Polygon, db::DeepRegion> (filter.requires_raw_input () ? deep_layer () : merged_deep_layer (), filter);
}
RegionDelegate *
DeepRegion::filter_in_place (const PolygonFilterBase &filter)
{
if (empty ()) {
return this;
}
// TODO: implement to be really in-place
*this = *apply_filter (filter, true, false).first;
return this;
}
RegionDelegate *
DeepRegion::filtered (const PolygonFilterBase &filter) const
{
if (empty ()) {
return clone ();
}
return apply_filter (filter, true, false).first;
}
std::pair<RegionDelegate *, RegionDelegate *>
DeepRegion::filtered_pair (const PolygonFilterBase &filter) const
{
return apply_filter (filter, true, true);
}
std::pair<DeepRegion *, DeepRegion *>
DeepRegion::apply_filter (const PolygonFilterBase &filter, bool with_true, bool with_false) const
{
const db::DeepLayer &polygons = filter.requires_raw_input () ? deep_layer () : merged_deep_layer ();
db::Layout &layout = const_cast<db::Layout &> (polygons.layout ());
std::unique_ptr<VariantsCollectorBase> vars;
if (filter.vars ()) {
vars.reset (new db::VariantsCollectorBase (filter.vars ()));
vars->collect (&layout, polygons.initial_cell ().cell_index ());
if (filter.wants_variants ()) {
vars->separate_variants ();
}
}
std::map<db::cell_index_type, std::map<db::ICplxTrans, db::Shapes> > to_commit_true, to_commit_false;
std::unique_ptr<db::DeepRegion> res_true (with_true ? new db::DeepRegion (polygons.derived ()) : 0);
std::unique_ptr<db::DeepRegion> res_false (with_false ? new db::DeepRegion (polygons.derived ()) : 0);
for (db::Layout::iterator c = layout.begin (); c != layout.end (); ++c) {
const db::Shapes &s = c->shapes (polygons.layer ());
if (vars.get ()) {
const std::set<db::ICplxTrans> &vv = vars->variants (c->cell_index ());
for (auto v = vv.begin (); v != vv.end (); ++v) {
db::Shapes *st_true = 0, *st_false = 0;
if (vv.size () == 1) {
if (with_true) {
st_true = & c->shapes (res_true->deep_layer ().layer ());
}
if (with_false) {
st_false = & c->shapes (res_false->deep_layer ().layer ());
}
} else {
if (with_true) {
st_true = & to_commit_true [c->cell_index ()] [*v];
}
if (with_false) {
st_false = & to_commit_false [c->cell_index ()] [*v];
}
}
const db::ICplxTrans &tr = *v;
for (db::Shapes::shape_iterator si = s.begin (db::ShapeIterator::All); ! si.at_end (); ++si) {
db::Polygon poly;
si->polygon (poly);
if (filter.selected (poly.transformed (tr), si->prop_id ())) {
if (st_true) {
st_true->insert (*si);
}
} else {
if (st_false) {
st_false->insert (*si);
}
}
}
}
} else {
db::Shapes *st_true = with_true ? &c->shapes (res_true->deep_layer ().layer ()) : 0;
db::Shapes *st_false = with_false ? &c->shapes (res_false->deep_layer ().layer ()) : 0;
for (db::Shapes::shape_iterator si = s.begin (db::ShapeIterator::All); ! si.at_end (); ++si) {
db::Polygon poly;
si->polygon (poly);
if (filter.selected (poly, si->prop_id ())) {
if (with_true) {
st_true->insert (*si);
}
} else {
if (with_false) {
st_false->insert (*si);
}
}
}
}
}
if (! to_commit_true.empty () && vars.get ()) {
tl_assert (res_true.get () != 0);
vars->commit_shapes (res_true->deep_layer ().layer (), to_commit_true);
}
if (! to_commit_false.empty () && vars.get ()) {
tl_assert (res_false.get () != 0);
vars->commit_shapes (res_false->deep_layer ().layer (), to_commit_false);
}
if (! filter.requires_raw_input ()) {
if (res_true.get ()) {
res_true->set_is_merged (true);
}
if (res_false.get ()) {
res_false->set_is_merged (true);
}
}
return std::make_pair (res_true.release (), res_false.release ());
}
RegionDelegate *
DeepRegion::merged_in_place ()
{
if (empty ()) {
return this;
}
ensure_merged_polygons_valid ();
// NOTE: this makes both layers share the same resource
set_deep_layer (m_merged_polygons);
set_is_merged (true);
return this;
}
RegionDelegate *
DeepRegion::merged_in_place (bool min_coherence, unsigned int min_wc, bool join_properties_on_merge)
{
// TODO: implement to be really in-place
return merged (min_coherence, min_wc, join_properties_on_merge);
}
RegionDelegate *
DeepRegion::merged () const
{
if (empty ()) {
return clone ();
}
ensure_merged_polygons_valid ();
db::Layout &layout = const_cast<db::Layout &> (m_merged_polygons.layout ());
std::unique_ptr<db::DeepRegion> res (new db::DeepRegion (m_merged_polygons.derived ()));
for (db::Layout::iterator c = layout.begin (); c != layout.end (); ++c) {
c->shapes (res->deep_layer ().layer ()) = c->shapes (m_merged_polygons.layer ());
}
res->deep_layer ().layer ();
res->set_is_merged (true);
return res.release ();
}
RegionDelegate *
DeepRegion::merged (bool min_coherence, unsigned int min_wc, bool join_properties_on_merge) const
{
if (empty ()) {
return clone ();
}
tl::SelfTimer timer (tl::verbosity () > base_verbosity (), "Ensure merged polygons");
db::Layout &layout = const_cast<db::Layout &> (deep_layer ().layout ());
db::hier_clusters<db::PolygonRef> hc;
db::Connectivity conn;
conn.connect (deep_layer ());
hc.set_base_verbosity (base_verbosity () + 10);
hc.build (layout, deep_layer ().initial_cell (), conn, 0, 0, ! join_properties_on_merge);
// collect the clusters and merge them into big polygons
// NOTE: using the ClusterMerger we merge bottom-up forming bigger and bigger polygons. This is
// hopefully more efficient that collecting everything and will lead to reuse of parts.
DeepLayer dl_out (deep_layer ().derived ());
ClusterMerger cm (deep_layer ().layer (), layout, hc, min_coherence, report_progress (), progress_desc ());
cm.set_base_verbosity (base_verbosity () + 10);
// Specify the property name ID for the pseudo-labels, so we can filter out those properties
// (for backward compatibility only if join_properties_on_merge is true - if we don't with
// join_properties_on_merge, the pseudo-label properties may get attached to other shapes which
// will be taken as texts then)
if (join_properties_on_merge) {
cm.set_text_name (deep_layer ().store ()->text_property_name ());
}
for (db::Layout::iterator c = layout.begin (); c != layout.end (); ++c) {
const db::connected_clusters<db::PolygonRef> &cc = hc.clusters_per_cell (c->cell_index ());
for (db::connected_clusters<db::PolygonRef>::all_iterator cl = cc.begin_all (); ! cl.at_end (); ++cl) {
if (cc.is_root (*cl)) {
db::Shapes &s = cm.merged (*cl, c->cell_index (), min_wc);
c->shapes (dl_out.layer ()).insert (s);
cm.erase (*cl, c->cell_index ()); // not needed anymore
}
}
}
db::DeepRegion *res = new db::DeepRegion (dl_out);
res->set_is_merged (true);
return res;
}
RegionDelegate *
DeepRegion::sized (coord_type d, unsigned int mode) const
{
if (empty ()) {
// Nothing to do - NOTE: don't return EmptyRegion because we want to
// maintain "deepness"
return clone ();
}
// in case of negative sizing the output polygons will still be merged (on positive sizing they might
// overlap after size and are not necessarily merged)
bool will_be_merged = (d < 0 && (merged_semantics () || is_merged ()));
const db::DeepLayer &polygons = merged_deep_layer ();
db::Layout &layout = const_cast<db::Layout &> (polygons.layout ());
db::cell_variants_collector<db::MagnificationReducer> vars;
vars.collect (&layout, polygons.initial_cell ().cell_index ());
vars.separate_variants ();
std::unique_ptr<db::DeepRegion> res (new db::DeepRegion (polygons.derived ()));
for (db::Layout::iterator c = layout.begin (); c != layout.end (); ++c) {
const db::ICplxTrans &tr = vars.single_variant_transformation (c->cell_index ());
double mag = tr.mag ();
db::Coord d_with_mag = db::coord_traits<db::Coord>::rounded (d / mag);
const db::Shapes &s = c->shapes (polygons.layer ());
db::Shapes &st = c->shapes (res->deep_layer ().layer ());
db::PolygonRefToShapesGenerator pr (&layout, &st);
db::PolygonSplitter splitter (pr, will_be_merged ? 0.0 : polygons.store ()->max_area_ratio (), will_be_merged ? 0 : polygons.store ()->max_vertex_count ());
db::PolygonGenerator pg2 (splitter, false /*don't resolve holes*/, true /*min. coherence*/);
db::SizingPolygonFilter siz (pg2, d_with_mag, d_with_mag, mode);
for (db::Shapes::shape_iterator si = s.begin (db::ShapeIterator::All); ! si.at_end (); ++si) {
pr.set_prop_id (si->prop_id ());
db::Polygon poly;
si->polygon (poly);
siz.put (poly);
}
}
res->set_is_merged (will_be_merged);
return res.release ();
}
RegionDelegate *
DeepRegion::sized (coord_type dx, coord_type dy, unsigned int mode) const
{
if (empty ()) {
// Nothing to do - NOTE: don't return EmptyRegion because we want to
// maintain "deepness"
return clone ();
}
if (dx == dy) {
return sized (dx, mode);
}
// in case of negative sizing the output polygons will still be merged (on positive sizing they might
// overlap after size and are not necessarily merged)
bool will_be_merged = (dx < 0 && dy < 0 && (merged_semantics () || is_merged ()));
const db::DeepLayer &polygons = merged_deep_layer ();
db::Layout &layout = const_cast<db::Layout &> (polygons.layout ());
db::cell_variants_collector<db::XYAnisotropyAndMagnificationReducer> vars;
vars.collect (&layout, polygons.initial_cell ().cell_index ());
vars.separate_variants ();
std::unique_ptr<db::DeepRegion> res (new db::DeepRegion (polygons.derived ()));
for (db::Layout::iterator c = layout.begin (); c != layout.end (); ++c) {
const db::ICplxTrans &tr = vars.single_variant_transformation (c->cell_index ());
double mag = tr.mag ();
double angle = tr.angle ();
db::Coord dx_with_mag = db::coord_traits<db::Coord>::rounded (dx / mag);
db::Coord dy_with_mag = db::coord_traits<db::Coord>::rounded (dy / mag);
if (fabs (angle - 90.0) < 45.0) {
// TODO: how to handle x/y swapping on arbitrary angles?
std::swap (dx_with_mag, dy_with_mag);
}
const db::Shapes &s = c->shapes (polygons.layer ());
db::Shapes &st = c->shapes (res->deep_layer ().layer ());
db::PolygonRefToShapesGenerator pr (&layout, &st);
db::PolygonSplitter splitter (pr, will_be_merged ? 0.0 : polygons.store ()->max_area_ratio (), will_be_merged ? 0 : polygons.store ()->max_vertex_count ());
db::PolygonGenerator pg2 (splitter, false /*don't resolve holes*/, true /*min. coherence*/);
db::SizingPolygonFilter siz (pg2, dx_with_mag, dy_with_mag, mode);
for (db::Shapes::shape_iterator si = s.begin (db::ShapeIterator::All); ! si.at_end (); ++si) {
pr.set_prop_id (si->prop_id ());
db::Polygon poly;
si->polygon (poly);
siz.put (poly);
}
}
res->set_is_merged (will_be_merged);
return res.release ();
}
RegionDelegate *
DeepRegion::sized_inside (const Region &inside, bool outside, coord_type d, int steps, unsigned int mode) const
{
return sized_inside (inside, outside, d, d, steps, mode);
}
RegionDelegate *
DeepRegion::sized_inside (const Region &inside, bool outside, coord_type dx, coord_type dy, int steps, unsigned int mode) const
{
// empirical value
const int max_steps = 25;
if (steps <= 0 || empty ()) {
// Nothing to do - NOTE: don't return EmptyRegion because we want to
// maintain "deepness"
return clone ();
}
if (dx < 0 || dy < 0) {
throw tl::Exception (tl::to_string (tr ("'sized_inside' operation does not make sense with negative sizing")));
}
if (dx == 0 && dy == 0) {
steps = 1;
}
const db::DeepRegion *inside_deep = dynamic_cast<const db::DeepRegion *> (inside.delegate ());
if (! inside_deep) {
return db::AsIfFlatRegion::sized_inside (inside, outside, dx, dy, steps, mode);
}
// NOTE: it does not provide benefits to merge the outside region, so just don't
const db::DeepLayer &inside_polygons = outside ? inside_deep->deep_layer () : inside_deep->merged_deep_layer ();
bool inside_polygons_is_merged = outside ? inside_deep->is_merged () : true;
const db::DeepLayer &polygons = merged_deep_layer ();
std::unique_ptr<db::DeepRegion> res (new db::DeepRegion (polygons.derived ()));
std::unique_ptr<db::DeepRegion> prev;
int steps_from = 0;
while (steps > 0) {
db::Coord dx_chunk = dx, dy_chunk = dy;
int steps_chunk = steps;
// We perform at most max_steps in one chunk.
// This is supposed to limit the search range and merge shapes instead of creating
// heavily overlapping ones.
if (steps > max_steps) {
steps_chunk = max_steps;
dx_chunk = db::coord_traits<db::Coord>::rounded (dx * max_steps / double (steps));
dy_chunk = db::coord_traits<db::Coord>::rounded (dy * max_steps / double (steps));
}
steps -= steps_chunk;
dx -= dx_chunk;
dy -= dy_chunk;
// NOTE: as we merge the inside region in the inside case, we can use distance 0
db::Coord dist = outside ? std::max (dx_chunk, dy_chunk) : 0;
db::sized_inside_local_operation<db::PolygonRef, db::PolygonRef, db::PolygonRef> op (dx_chunk, dy_chunk, steps_chunk, mode, dist, outside, inside_polygons_is_merged);
db::local_processor<db::PolygonRef, db::PolygonRef, db::PolygonRef> proc (const_cast<db::Layout *> (&polygons.layout ()), const_cast<db::Cell *> (&polygons.initial_cell ()), &inside_polygons.layout (), &inside_polygons.initial_cell (), polygons.breakout_cells (), inside_polygons.breakout_cells ());
configure_proc (proc);
proc.set_threads (polygons.store ()->threads ());
proc.set_area_ratio (polygons.store ()->max_area_ratio ());
proc.set_max_vertex_count (polygons.store ()->max_vertex_count ());
// indicate chunk in the progress description
proc.set_description (proc.description (&op) + tl::sprintf (tl::to_string (tr (" (steps %d..%d)")), steps_from + 1, steps_from + steps_chunk + 1));
steps_from += steps_chunk;
proc.run (&op, prev.get () ? prev->deep_layer ().layer () : polygons.layer (), inside_polygons.layer (), res->deep_layer ().layer ());
// NOTE: in the last step we apply a polygon breaker in addition to "merge" so the
// result is granular for better deep mode performance
if (steps > 0) {
prev.reset (dynamic_cast<db::DeepRegion *> (res->merged ()));
tl_assert (prev.get () != 0);
res.reset (new db::DeepRegion (polygons.derived ()));
} else {
res.reset (dynamic_cast<db::DeepRegion *> (res->processed (db::PolygonBreaker (proc.max_vertex_count (), proc.area_ratio ()))));
tl_assert (res.get () != 0);
}
}
return res.release ();
}
template <class TR, class Output>
static
Output *region_cop_with_properties_impl (DeepRegion *region, db::CompoundRegionOperationNode &node, db::PropertyConstraint prop_constraint)
{
// Fall back to flat mode if one of the inputs is flat
std::vector<db::Region *> inputs = node.inputs ();
for (std::vector<db::Region *>::const_iterator i = inputs.begin (); i != inputs.end (); ++i) {
if (! is_subject_regionptr (*i) && ! dynamic_cast<const db::DeepRegion *> ((*i)->delegate ())) {
return 0;
}
}
const db::DeepLayer &polygons (region->merged_deep_layer ());
std::unique_ptr<Output> res (new Output (polygons.derived ()));
db::local_processor<db::PolygonRefWithProperties, db::PolygonRefWithProperties, db::object_with_properties<TR> > proc (&res->deep_layer ().layout (), &res->deep_layer ().initial_cell (), region->deep_layer ().breakout_cells ());
proc.set_description (region->progress_desc ());
proc.set_report_progress (region->report_progress ());
proc.set_base_verbosity (region->base_verbosity ());
proc.set_threads (region->deep_layer ().store ()->threads ());
std::vector<unsigned int> other_layers;
for (std::vector<db::Region *>::const_iterator i = inputs.begin (); i != inputs.end (); ++i) {
if (is_subject_regionptr (*i)) {
if (*i == subject_regionptr ()) {
other_layers.push_back (subject_idlayer ());
} else {
other_layers.push_back (foreign_idlayer ());
}
} else {
const db::DeepRegion *other_deep = dynamic_cast<const db::DeepRegion *> ((*i)->delegate ());
tl_assert (other_deep != 0);
if (&other_deep->deep_layer ().layout () != &region->deep_layer ().layout () || &other_deep->deep_layer ().initial_cell () != &region->deep_layer ().initial_cell ()) {
throw tl::Exception (tl::to_string (tr ("Complex DeepRegion operations need to use the same layout and top cell for all inputs")));
}
other_layers.push_back (other_deep->deep_layer ().layer ());
}
}
compound_local_operation_with_properties<db::PolygonRef, db::PolygonRef, TR> op (&node, prop_constraint);
proc.run (&op, polygons.layer (), other_layers, res->deep_layer ().layer (), true /*make_variants*/);
return res.release ();
}
EdgePairsDelegate *
DeepRegion::cop_to_edge_pairs (db::CompoundRegionOperationNode &node, db::PropertyConstraint prop_constraint)
{
DeepEdgePairs *output = region_cop_with_properties_impl<db::EdgePair, DeepEdgePairs> (this, node, prop_constraint);
if (! output) {
return AsIfFlatRegion::cop_to_edge_pairs (node, prop_constraint);
} else {
return output;
}
}
RegionDelegate *
DeepRegion::cop_to_region (db::CompoundRegionOperationNode &node, db::PropertyConstraint prop_constraint)
{
DeepRegion *output = region_cop_with_properties_impl<db::PolygonRef, DeepRegion> (this, node, prop_constraint);
if (! output) {
return AsIfFlatRegion::cop_to_region (node, prop_constraint);
} else {
return output;
}
}
EdgesDelegate *
DeepRegion::cop_to_edges (db::CompoundRegionOperationNode &node, db::PropertyConstraint prop_constraint)
{
DeepEdges *output = region_cop_with_properties_impl<db::Edge, DeepEdges> (this, node, prop_constraint);
if (! output) {
return AsIfFlatRegion::cop_to_edges (node, prop_constraint);
} else {
return output;
}
}
EdgePairsDelegate *
DeepRegion::run_check (db::edge_relation_type rel, bool different_polygons, const Region *other, db::Coord d, const RegionCheckOptions &options) const
{
if (empty ()) {
return new db::DeepEdgePairs (deep_layer ().derived ());
} else if (other && ! is_subject_regionptr (other) && other->empty () && ! options.negative) {
return new db::DeepEdgePairs (deep_layer ().derived ());
}
bool has_other = other && other != subject_regionptr () && other != foreign_regionptr ();
// delegate to AsIfFlatRegion if the other region is not a deep one
const db::DeepRegion *other_deep = 0;
if (has_other) {
other_deep = dynamic_cast<const db::DeepRegion *> (other->delegate ());
if (! other_deep) {
return db::AsIfFlatRegion::run_check (rel, different_polygons, other, d, options);
}
}
// force different polygons in the different properties case to skip intra-polygon checks
if (! has_other && pc_always_different (options.prop_constraint)) {
// TODO: this forces merged primaries, so maybe that is not a good optimization?
different_polygons = true;
}
// primary input
bool needs_merged_primary = (! has_other && different_polygons) || options.needs_merged ();
bool primary_is_merged = false;
db::DeepLayer polygons;
if (! merged_semantics ()) {
primary_is_merged = true; // means: don't merge again
polygons = deep_layer ();
} else if (! needs_merged_primary) {
// The implementation may run faster if the primary is not merged
primary_is_merged = false;
ensure_unmerged_polygons_valid ();
polygons = deep_layer ();
} else {
primary_is_merged = true;
polygons = merged_deep_layer ();
}
// other input
std::vector<unsigned int> other_layers;
bool other_is_merged = true;
if (! has_other) {
other_layers.push_back (other == foreign_regionptr () ? foreign_idlayer () : subject_idlayer ());
other_is_merged = primary_is_merged;
} else {
if (! other->merged_semantics ()) {
other_layers.push_back (other_deep->deep_layer ().layer ());
other_is_merged = true;
} else if (options.whole_edges) {
// NOTE: whole edges needs both inputs merged
other_layers.push_back (other_deep->merged_deep_layer ().layer ());
other_is_merged = true;
} else {
other_layers.push_back (other_deep->deep_layer ().layer ());
other_is_merged = other->is_merged ();
}
// adds another intruder section to implement subject merging ("primary_intruders")
if (! primary_is_merged) {
other_layers.push_back (foreign_idlayer ());
}
}
EdgeRelationFilter check (rel, d, options);
std::unique_ptr<db::DeepEdgePairs> res (new db::DeepEdgePairs (polygons.derived ()));
db::Layout *subject_layout = &res->deep_layer ().layout ();
db::Cell *subject_top = &res->deep_layer ().initial_cell ();
const db::Layout *intruder_layout = other_deep ? &other_deep->deep_layer ().layout () : &polygons.layout ();
const db::Cell *intruder_top = other_deep ? &other_deep->deep_layer ().initial_cell () : &polygons.initial_cell ();
const std::set<db::cell_index_type> *subject_breakout_cells = deep_layer ().breakout_cells ();
const std::set<db::cell_index_type> *intruder_breakout_cells = other_deep ? other_deep->deep_layer ().breakout_cells () : 0;
if (options.prop_constraint == db::IgnoreProperties) {
db::CheckLocalOperation op (check, different_polygons, primary_is_merged, has_other, other_is_merged, options);
db::local_processor<db::PolygonRef, db::PolygonRef, db::EdgePair> proc (subject_layout, subject_top,
intruder_layout, intruder_top,
subject_breakout_cells, intruder_breakout_cells);
configure_proc (proc);
proc.set_threads (polygons.store ()->threads ());
proc.run (&op, polygons.layer (), other_layers, res->deep_layer ().layer ());
} else {
db::check_local_operation_with_properties<db::PolygonRef, db::PolygonRef> op (check, different_polygons, primary_is_merged, other_deep != 0, other_is_merged, options);
db::local_processor<db::PolygonRefWithProperties, db::PolygonRefWithProperties, db::EdgePairWithProperties> proc (subject_layout, subject_top,
intruder_layout, intruder_top,
subject_breakout_cells, intruder_breakout_cells);
configure_proc (proc);
proc.set_threads (polygons.store ()->threads ());
proc.run (&op, polygons.layer (), other_layers, res->deep_layer ().layer ());
}
return res.release ();
}
EdgePairsDelegate *
DeepRegion::run_single_polygon_check (db::edge_relation_type rel, db::Coord d, const RegionCheckOptions &options) const
{
if (empty ()) {
return new db::DeepEdgePairs (deep_layer ().derived ());
}
const db::DeepLayer &polygons = merged_deep_layer ();
db::Layout &layout = const_cast<db::Layout &> (polygons.layout ());
db::cell_variants_collector<db::MagnificationReducer> vars;
vars.collect (&layout, polygons.initial_cell ().cell_index ());
vars.separate_variants ();
std::unique_ptr<db::DeepEdgePairs> res (new db::DeepEdgePairs (polygons.derived ()));
for (db::Layout::iterator c = layout.begin (); c != layout.end (); ++c) {
const db::ICplxTrans &tr = vars.single_variant_transformation (c->cell_index ());
double mag = tr.mag ();
db::Coord d_with_mag = db::coord_traits<db::Coord>::rounded (d / mag);
EdgeRelationFilter check (rel, d_with_mag, options);
const db::Shapes &shapes = c->shapes (polygons.layer ());
db::Shapes &result = c->shapes (res->deep_layer ().layer ());
for (db::Shapes::shape_iterator s = shapes.begin (db::ShapeIterator::Polygons); ! s.at_end (); ++s) {
edge2edge_check_negative_or_positive<db::Shapes> edge_check (check, result, options.negative, false /*does not require different polygons*/, false /*does not require different layers*/, options.shielded, true /*symmetric edge pairs*/, pc_remove (options.prop_constraint) ? 0 : s->prop_id ());
poly2poly_check<db::Polygon> poly_check (edge_check);
db::Polygon poly;
s->polygon (poly);
do {
poly_check.single (poly, 0);
} while (edge_check.prepare_next_pass ());
}
}
return res.release ();
}
namespace
{
class InteractingResultHolder
{
public:
InteractingResultHolder (InteractingOutputMode output_mode, bool is_merged, const db::DeepLayer &polygons)
: m_output_mode (output_mode), m_is_merged (is_merged)
{
if (m_output_mode == Positive || m_output_mode == Negative) {
m_dl1 = db::DeepLayer (polygons.derived ());
} else if (m_output_mode == PositiveAndNegative) {
m_dl1 = db::DeepLayer (polygons.derived ());
m_dl2 = db::DeepLayer (polygons.derived ());
}
}
std::vector<unsigned int> layers () const
{
std::vector<unsigned int> l;
if (m_output_mode == Positive || m_output_mode == Negative) {
l.push_back (m_dl1.layer ());
} else if (m_output_mode == PositiveAndNegative) {
l.push_back (m_dl1.layer ());
l.push_back (m_dl2.layer ());
}
return l;
}
std::pair<RegionDelegate *, RegionDelegate *> result_pair ()
{
if (m_output_mode == Positive || m_output_mode == Negative) {
db::DeepRegion *res = new db::DeepRegion (m_dl1);
res->set_is_merged (m_is_merged);
return std::pair<RegionDelegate *, RegionDelegate *> (res, 0);
} else if (m_output_mode == PositiveAndNegative) {
db::DeepRegion *res1 = new db::DeepRegion (m_dl1);
res1->set_is_merged (m_is_merged);
db::DeepRegion *res2 = new db::DeepRegion (m_dl2);
res2->set_is_merged (m_is_merged);
return std::pair<RegionDelegate *, RegionDelegate *> (res1, res2);
} else {
return std::pair<RegionDelegate *, RegionDelegate *> (0, 0);
}
}
private:
InteractingOutputMode m_output_mode;
bool m_is_merged;
DeepLayer m_dl1, m_dl2;
};
}
std::pair<RegionDelegate *, RegionDelegate *>
DeepRegion::in_and_out_generic (const Region &other, InteractingOutputMode output_mode) const
{
if (output_mode == None) {
return std::pair<RegionDelegate *, RegionDelegate *> ((RegionDelegate *) 0, (RegionDelegate *) 0);
} else if (empty ()) {
if (output_mode == PositiveAndNegative) {
return std::make_pair (clone (), clone ());
} else {
return std::make_pair (clone (), (RegionDelegate *) 0);
}
} else if (other.empty ()) {
if (output_mode == PositiveAndNegative) {
return std::make_pair (new DeepRegion (deep_layer ().derived ()), clone ());
} else if (output_mode == Negative) {
return std::make_pair (clone (), (RegionDelegate *) 0);
} else {
return std::make_pair (new DeepRegion (deep_layer ().derived ()), (RegionDelegate *) 0);
}
}
std::unique_ptr<db::DeepRegion> dr_holder;
const db::DeepRegion *other_deep = dynamic_cast<const db::DeepRegion *> (other.delegate ());
if (! other_deep) {
// if the other region isn't deep, turn into a top-level only deep region to facilitate re-hierarchization
dr_holder.reset (new db::DeepRegion (other, const_cast<db::DeepShapeStore &> (*deep_layer ().store ())));
other_deep = dr_holder.get ();
}
if (deep_layer () == other_deep->deep_layer ()) {
if (output_mode == PositiveAndNegative) {
return std::make_pair (clone (), new DeepRegion (deep_layer ().derived ()));
} else if (output_mode == Negative) {
return std::make_pair (new DeepRegion (deep_layer ().derived ()), (RegionDelegate *) 0);
} else {
return std::make_pair (clone (), (RegionDelegate *) 0);
}
}
const db::DeepLayer &polygons = merged_deep_layer ();
const db::DeepLayer &other_polygons = other_deep->merged_deep_layer ();
db::ContainedLocalOperation op (output_mode);
db::local_processor<db::PolygonRef, db::PolygonRef, db::PolygonRef> proc (const_cast<db::Layout *> (&polygons.layout ()), const_cast<db::Cell *> (&polygons.initial_cell ()), &other_polygons.layout (), &other_polygons.initial_cell (), polygons.breakout_cells (), other_polygons.breakout_cells ());
configure_proc (proc);
proc.set_threads (polygons.store ()->threads ());
InteractingResultHolder orh (output_mode, merged_semantics (), polygons);
proc.run (&op, polygons.layer (), other_polygons.layer (), orh.layers ());
return orh.result_pair ();
}
std::pair<RegionDelegate *, RegionDelegate *>
DeepRegion::selected_interacting_generic (const Region &other, int mode, bool touching, InteractingOutputMode output_mode, size_t min_count, size_t max_count) const
{
if (output_mode == None) {
return std::pair<RegionDelegate *, RegionDelegate *> ((RegionDelegate *) 0, (RegionDelegate *) 0);
} else if (empty ()) {
if (output_mode == PositiveAndNegative) {
return std::make_pair (clone (), clone ());
} else {
return std::make_pair (clone (), (RegionDelegate *) 0);
}
} else if (other.empty ()) {
if (mode > 0 /*outside*/) {
if (output_mode == PositiveAndNegative) {
return std::make_pair (clone (), new DeepRegion (deep_layer ().derived ()));
} else if (output_mode == Negative) {
return std::make_pair (new DeepRegion (deep_layer ().derived ()), (RegionDelegate *) 0);
} else {
return std::make_pair (clone (), (RegionDelegate *) 0);
}
} else {
if (output_mode == PositiveAndNegative) {
return std::make_pair (new DeepRegion (deep_layer ().derived ()), clone ());
} else if (output_mode == Negative) {
return std::make_pair (clone (), (RegionDelegate *) 0);
} else {
return std::make_pair (new DeepRegion (deep_layer ().derived ()), (RegionDelegate *) 0);
}
}
}
min_count = std::max (size_t (1), min_count);
bool counting = !(min_count == 1 && max_count == std::numeric_limits<size_t>::max ());
// with these flag set to true, the resulting polygons are broken again.
bool split_after = false;
std::unique_ptr<db::DeepRegion> dr_holder;
const db::DeepRegion *other_deep = dynamic_cast<const db::DeepRegion *> (other.delegate ());
if (! other_deep) {
// if the other region isn't deep, turn into a top-level only deep region to facilitate re-hierarchization
dr_holder.reset (new db::DeepRegion (other, const_cast<db::DeepShapeStore &> (*deep_layer ().store ())));
other_deep = dr_holder.get ();
}
if (deep_layer () == other_deep->deep_layer () && !counting) {
if (mode <= 0 /*inside or interacting*/) {
if (output_mode == PositiveAndNegative) {
return std::make_pair (clone (), new DeepRegion (deep_layer ().derived ()));
} else if (output_mode == Negative) {
return std::make_pair (new DeepRegion (deep_layer ().derived ()), (RegionDelegate *) 0);
} else {
return std::make_pair (clone (), (RegionDelegate *) 0);
}
} else {
if (output_mode == PositiveAndNegative) {
return std::make_pair (new DeepRegion (deep_layer ().derived ()), clone ());
} else if (output_mode == Negative) {
return std::make_pair (clone (), (RegionDelegate *) 0);
} else {
return std::make_pair (new DeepRegion (deep_layer ().derived ()), (RegionDelegate *) 0);
}
}
}
const db::DeepLayer &polygons = merged_deep_layer ();
// NOTE: with counting, the other polygons must be merged
const db::DeepLayer &other_polygons = counting ? other_deep->merged_deep_layer () : other_deep->deep_layer ();
db::InteractingLocalOperation op (mode, touching, output_mode, min_count, max_count, true);
db::local_processor<db::PolygonRef, db::PolygonRef, db::PolygonRef> proc (const_cast<db::Layout *> (&polygons.layout ()), const_cast<db::Cell *> (&polygons.initial_cell ()), &other_polygons.layout (), &other_polygons.initial_cell (), polygons.breakout_cells (), other_polygons.breakout_cells ());
configure_proc (proc);
proc.set_threads (polygons.store ()->threads ());
if (split_after) {
proc.set_area_ratio (polygons.store ()->max_area_ratio ());
proc.set_max_vertex_count (polygons.store ()->max_vertex_count ());
}
bool result_is_merged = (! split_after && (merged_semantics () || is_merged ()));
InteractingResultHolder orh (output_mode, result_is_merged, polygons);
if (polygons == other_polygons) {
// with counting and two identical inputs we need to create a layer copy
db::DeepLayer other_copy (other_polygons.copy ());
proc.run (&op, polygons.layer (), other_copy.layer (), orh.layers ());
} else {
proc.run (&op, polygons.layer (), other_polygons.layer (), orh.layers ());
}
return orh.result_pair ();
}
std::pair<RegionDelegate *, RegionDelegate *>
DeepRegion::selected_interacting_generic (const Edges &other, InteractingOutputMode output_mode, size_t min_count, size_t max_count) const
{
if (output_mode == None) {
return std::pair<RegionDelegate *, RegionDelegate *> ((RegionDelegate *) 0, (RegionDelegate *) 0);
} else if (empty ()) {
if (output_mode == PositiveAndNegative) {
return std::make_pair (clone (), clone ());
} else {
return std::make_pair (clone (), (RegionDelegate *) 0);
}
} else if (other.empty ()) {
if (output_mode == PositiveAndNegative) {
return std::make_pair (new DeepRegion (deep_layer ().derived ()), clone ());
} else if (output_mode == Negative) {
return std::make_pair (clone (), (RegionDelegate *) 0);
} else {
return std::make_pair (new DeepRegion (deep_layer ().derived ()), (RegionDelegate *) 0);
}
}
min_count = std::max (size_t (1), min_count);
bool counting = !(min_count == 1 && max_count == std::numeric_limits<size_t>::max ());
// with these flag set to true, the resulting polygons are broken again.
bool split_after = false;
std::unique_ptr<db::DeepEdges> dr_holder;
const db::DeepEdges *other_deep = dynamic_cast<const db::DeepEdges *> (other.delegate ());
if (! other_deep) {
// if the other region isn't deep, turn into a top-level only deep region to facilitate re-hierarchization
dr_holder.reset (new db::DeepEdges (other, const_cast<db::DeepShapeStore &> (*deep_layer ().store ())));
other_deep = dr_holder.get ();
}
const db::DeepLayer &polygons = merged_deep_layer ();
db::InteractingWithEdgeLocalOperation op (output_mode, min_count, max_count, true);
db::local_processor<db::PolygonRef, db::Edge, db::PolygonRef> proc (const_cast<db::Layout *> (&polygons.layout ()), const_cast<db::Cell *> (&polygons.initial_cell ()), &other_deep->deep_layer ().layout (), &other_deep->deep_layer ().initial_cell (), polygons.breakout_cells (), other_deep->deep_layer ().breakout_cells ());
configure_proc (proc);
proc.set_threads (polygons.store ()->threads ());
if (split_after) {
proc.set_area_ratio (polygons.store ()->max_area_ratio ());
proc.set_max_vertex_count (polygons.store ()->max_vertex_count ());
}
bool result_is_merged = (! split_after && (merged_semantics () || is_merged ()));
InteractingResultHolder orh (output_mode, result_is_merged, polygons);
proc.run (&op, polygons.layer (), counting ? other_deep->merged_deep_layer ().layer () : other_deep->deep_layer ().layer (), orh.layers ());
return orh.result_pair ();
}
RegionDelegate *
DeepRegion::pull_generic (const Region &other, int mode, bool touching) const
{
if (empty ()) {
return clone ();
} else if (other.empty ()) {
return new DeepRegion (deep_layer ().derived ());
}
// with these flag set to true, the resulting polygons are broken again.
bool split_after = false;
std::unique_ptr<db::DeepRegion> dr_holder;
const db::DeepRegion *other_deep = dynamic_cast<const db::DeepRegion *> (other.delegate ());
if (! other_deep) {
// if the other region isn't deep, turn into a top-level only deep region to facilitate re-hierarchization
dr_holder.reset (new db::DeepRegion (other, const_cast<db::DeepShapeStore &> (*deep_layer ().store ())));
other_deep = dr_holder.get ();
}
if (deep_layer () == other_deep->deep_layer ()) {
return clone ();
}
// in "inside" mode, the first argument needs to be merged too
const db::DeepLayer &polygons = mode < 0 ? merged_deep_layer () : deep_layer ();
const db::DeepLayer &other_polygons = other_deep->merged_deep_layer ();
DeepLayer dl_out (polygons.derived ());
db::PullLocalOperation op (mode, touching);
db::local_processor<db::PolygonRef, db::PolygonRef, db::PolygonRef> proc (const_cast<db::Layout *> (&polygons.layout ()), const_cast<db::Cell *> (&polygons.initial_cell ()), &other_polygons.layout (), &other_polygons.initial_cell (), polygons.breakout_cells (), other_polygons.breakout_cells ());
configure_proc (proc);
proc.set_threads (polygons.store ()->threads ());
if (split_after) {
proc.set_area_ratio (polygons.store ()->max_area_ratio ());
proc.set_max_vertex_count (polygons.store ()->max_vertex_count ());
}
proc.run (&op, polygons.layer (), other_polygons.layer (), dl_out.layer ());
db::DeepRegion *res = new db::DeepRegion (dl_out);
res->set_is_merged (! split_after && (other.merged_semantics () || other.is_merged ()));
return res;
}
EdgesDelegate *
DeepRegion::pull_generic (const Edges &other) const
{
if (empty () || other.empty ()) {
return new DeepEdges (deep_layer ().derived ());
}
std::unique_ptr<db::DeepEdges> dr_holder;
const db::DeepEdges *other_deep = dynamic_cast<const db::DeepEdges *> (other.delegate ());
if (! other_deep) {
// if the other region isn't deep, turn into a top-level only deep region to facilitate re-hierarchization
dr_holder.reset (new db::DeepEdges (other, const_cast<db::DeepShapeStore &> (*deep_layer ().store ())));
other_deep = dr_holder.get ();
}
// in "inside" mode, the first argument needs to be merged too
const db::DeepLayer &polygons = deep_layer ();
const db::DeepLayer &other_edges = other_deep->merged_deep_layer ();
DeepLayer dl_out (polygons.derived ());
db::PullWithEdgeLocalOperation op;
db::local_processor<db::PolygonRef, db::Edge, db::Edge> proc (const_cast<db::Layout *> (&polygons.layout ()), const_cast<db::Cell *> (&polygons.initial_cell ()), &other_edges.layout (), &other_edges.initial_cell (), polygons.breakout_cells (), other_edges.breakout_cells ());
configure_proc (proc);
proc.set_threads (polygons.store ()->threads ());
proc.run (&op, polygons.layer (), other_edges.layer (), dl_out.layer ());
db::DeepEdges *res = new db::DeepEdges (dl_out);
res->set_is_merged (is_merged () && (other.merged_semantics () || other.is_merged ()));
return res;
}
TextsDelegate *
DeepRegion::pull_generic (const Texts &other) const
{
if (empty () || other.empty ()) {
return new DeepTexts (deep_layer ().derived ());
}
std::unique_ptr<db::DeepTexts> dr_holder;
const db::DeepTexts *other_deep = dynamic_cast<const db::DeepTexts *> (other.delegate ());
if (! other_deep) {
// if the other region isn't deep, turn into a top-level only deep region to facilitate re-hierarchization
dr_holder.reset (new db::DeepTexts (other, const_cast<db::DeepShapeStore &> (*deep_layer ().store ())));
other_deep = dr_holder.get ();
}
// in "inside" mode, the first argument needs to be merged too
const db::DeepLayer &polygons = deep_layer ();
const db::DeepLayer &other_texts = other_deep->deep_layer ();
DeepLayer dl_out (polygons.derived ());
db::PullWithTextLocalOperation op;
db::local_processor<db::PolygonRef, db::TextRef, db::TextRef> proc (const_cast<db::Layout *> (&polygons.layout ()), const_cast<db::Cell *> (&polygons.initial_cell ()), &other_texts.layout (), &other_texts.initial_cell (), polygons.breakout_cells (), other_texts.breakout_cells ());
configure_proc (proc);
proc.set_threads (polygons.store ()->threads ());
proc.run (&op, polygons.layer (), other_texts.layer (), dl_out.layer ());
return new db::DeepTexts (dl_out);
}
std::pair<RegionDelegate *, RegionDelegate *>
DeepRegion::selected_interacting_generic (const Texts &other, InteractingOutputMode output_mode, size_t min_count, size_t max_count) const
{
if (output_mode == None) {
return std::pair<RegionDelegate *, RegionDelegate *> ((RegionDelegate *) 0, (RegionDelegate *) 0);
} else if (empty ()) {
if (output_mode == PositiveAndNegative) {
return std::make_pair (clone (), clone ());
} else {
return std::make_pair (clone (), (RegionDelegate *) 0);
}
} else if (other.empty ()) {
if (output_mode == PositiveAndNegative) {
return std::make_pair (new DeepRegion (deep_layer ().derived ()), clone ());
} else if (output_mode == Negative) {
return std::make_pair (clone (), (RegionDelegate *) 0);
} else {
return std::make_pair (new DeepRegion (deep_layer ().derived ()), (RegionDelegate *) 0);
}
}
min_count = std::max (size_t (1), min_count);
// with these flag set to true, the resulting polygons are broken again.
bool split_after = false;
std::unique_ptr<db::DeepTexts> dr_holder;
const db::DeepTexts *other_deep = dynamic_cast<const db::DeepTexts *> (other.delegate ());
if (! other_deep) {
// if the other region isn't deep, turn into a top-level only deep region to facilitate re-hierarchization
dr_holder.reset (new db::DeepTexts (other, const_cast<db::DeepShapeStore &> (*deep_layer ().store ())));
other_deep = dr_holder.get ();
}
const db::DeepLayer &polygons = merged_deep_layer ();
db::InteractingWithTextLocalOperation op (output_mode, min_count, max_count);
db::local_processor<db::PolygonRef, db::TextRef, db::PolygonRef> proc (const_cast<db::Layout *> (&polygons.layout ()), const_cast<db::Cell *> (&polygons.initial_cell ()), &other_deep->deep_layer ().layout (), &other_deep->deep_layer ().initial_cell (), polygons.breakout_cells (), other_deep->deep_layer ().breakout_cells ());
configure_proc (proc);
proc.set_threads (polygons.store ()->threads ());
if (split_after) {
proc.set_area_ratio (polygons.store ()->max_area_ratio ());
proc.set_max_vertex_count (polygons.store ()->max_vertex_count ());
}
bool result_is_merged = (! split_after && (merged_semantics () || is_merged ()));
InteractingResultHolder orh (output_mode, result_is_merged, polygons);
proc.run (&op, polygons.layer (), other_deep->deep_layer ().layer (), orh.layers ());
return orh.result_pair ();
}
}