luke
/
klayout
mirror of https://github.com/KLayout/klayout.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

WIP: added test for recursive net shape retrieval

This commit is contained in:
Matthias Koefferlein 2018-12-30 18:22:45 +01:00
parent 16a2b1982d
commit 72a140957d
3 changed files with 79 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/db/db/dbLayoutToNetlist.cc
View File

@ -209,7 +209,7 @@ db::Region LayoutToNetlist::shapes_of_net (const db::Net &net, const db::Region
const db::local_cluster<db::PolygonRef> &lc = m_netex.clusters ().clusters_per_cell (ci).cluster_by_id (net.cluster_id ());
for (db::local_cluster<db::PolygonRef>::shape_iterator s = lc.begin (lid); !s.at_end (); ++s) {
res.insert (*s);
res.insert (s->obj ().transformed (s->trans ()));
}
} else {
@ -220,7 +220,7 @@ db::Region LayoutToNetlist::shapes_of_net (const db::Net &net, const db::Region
db::cell_index_type ci = circuit->cell_index ();
for (db::recursive_cluster_shape_iterator<db::PolygonRef> rci (m_netex.clusters (), lid, ci, net.cluster_id ()); !rci.at_end (); ++rci) {
res.insert (rci->obj ().transformed (db::ICplxTrans (rci->trans ()) * rci.trans ()));
res.insert (rci->obj ().transformed (rci.trans () * db::ICplxTrans (rci->trans ())));
}
}

102
src/db/unit_tests/dbLayoutToNetlistTests.cc
View File

@ -101,34 +101,74 @@ private:
}
static void dump_nets_to_layout (const db::Netlist &nl, const db::hier_clusters<db::PolygonRef> &clusters, db::Layout &ly, const std::map<unsigned int, unsigned int> &lmap, const db::CellMapping &cmap)
static void dump_nets_to_layout (const db::LayoutToNetlist &l2n, db::Layout &ly, const std::map<const db::Region *, unsigned int> &lmap, const db::CellMapping &cmap)
{
const db::Netlist &nl = *l2n.netlist ();
for (db::Netlist::const_circuit_iterator c = nl.begin_circuits (); c != nl.end_circuits (); ++c) {
db::Cell &cell = ly.cell (cmap.cell_mapping (c->cell_index ()));
for (db::Circuit::const_net_iterator n = c->begin_nets (); n != c->end_nets (); ++n) {
const db::local_cluster<db::PolygonRef> &lc = clusters.clusters_per_cell (c->cell_index ()).cluster_by_id (n->cluster_id ());
db::cell_index_type nci = std::numeric_limits<db::cell_index_type>::max ();
for (std::map<const db::Region *, unsigned int>::const_iterator m = lmap.begin (); m != lmap.end (); ++m) {
db::Region shapes = l2n.shapes_of_net (*n, *m->first, false);
if (shapes.empty ()) {
continue;
}
if (nci == std::numeric_limits<db::cell_index_type>::max ()) {
std::string nn = "NET_" + c->name () + "_" + n->expanded_name ();
nci = ly.add_cell (nn.c_str ());
cell.insert (db::CellInstArray (db::CellInst (nci), db::Trans ()));
}
shapes.insert_into (&ly, nci, m->second);
bool any_shapes = false;
for (std::map<unsigned int, unsigned int>::const_iterator m = lmap.begin (); m != lmap.end () && !any_shapes; ++m) {
any_shapes = ! lc.begin (m->first).at_end ();
}
if (any_shapes) {
}
std::string nn = "NET_" + c->name () + "_" + n->expanded_name ();
db::Cell &net_cell = ly.cell (ly.add_cell (nn.c_str ()));
cell.insert (db::CellInstArray (db::CellInst (net_cell.cell_index ()), db::Trans ()));
}
}
for (std::map<unsigned int, unsigned int>::const_iterator m = lmap.begin (); m != lmap.end (); ++m) {
db::Shapes &target = net_cell.shapes (m->second);
for (db::local_cluster<db::PolygonRef>::shape_iterator s = lc.begin (m->first); !s.at_end (); ++s) {
target.insert (*s);
}
static void dump_recursive_nets_to_layout (const db::LayoutToNetlist &l2n, db::Layout &ly, const std::map<const db::Region *, unsigned int> &lmap, const db::CellMapping &cmap)
{
const db::Netlist &nl = *l2n.netlist ();
for (db::Netlist::const_circuit_iterator c = nl.begin_circuits (); c != nl.end_circuits (); ++c) {
db::Cell &cell = ly.cell (cmap.cell_mapping (c->cell_index ()));
for (db::Circuit::const_net_iterator n = c->begin_nets (); n != c->end_nets (); ++n) {
// only handle nets without outgoing pins - these are local
bool is_local = true;
for (db::Net::const_pin_iterator p = n->begin_pins (); p != n->end_pins () && is_local; ++p) {
is_local = (p->subcircuit () != 0);
}
if (! is_local) {
continue;
}
db::cell_index_type nci = std::numeric_limits<db::cell_index_type>::max ();
for (std::map<const db::Region *, unsigned int>::const_iterator m = lmap.begin (); m != lmap.end (); ++m) {
db::Region shapes = l2n.shapes_of_net (*n, *m->first, true);
if (shapes.empty ()) {
continue;
}
if (nci == std::numeric_limits<db::cell_index_type>::max ()) {
std::string nn = "RNET_" + c->name () + "_" + n->expanded_name ();
nci = ly.add_cell (nn.c_str ());
cell.insert (db::CellInstArray (db::CellInst (nci), db::Trans ()));
}
shapes.insert_into (&ly, nci, m->second);
}
}
@ -274,19 +314,31 @@ TEST(1_Basic)
// 208/0 -> Metal2
// 210/0 -> N source/drain
// 211/0 -> P source/drain
std::map<unsigned int, unsigned int> dump_map;
dump_map [l2n.layer_of (rpsd) ] = ly.insert_layer (db::LayerProperties (210, 0));
dump_map [l2n.layer_of (rnsd) ] = ly.insert_layer (db::LayerProperties (211, 0));
dump_map [l2n.layer_of (*rpoly) ] = ly.insert_layer (db::LayerProperties (203, 0));
dump_map [l2n.layer_of (*rdiff_cont)] = ly.insert_layer (db::LayerProperties (204, 0));
dump_map [l2n.layer_of (*rpoly_cont)] = ly.insert_layer (db::LayerProperties (205, 0));
dump_map [l2n.layer_of (*rmetal1) ] = ly.insert_layer (db::LayerProperties (206, 0));
dump_map [l2n.layer_of (*rvia1) ] = ly.insert_layer (db::LayerProperties (207, 0));
dump_map [l2n.layer_of (*rmetal2) ] = ly.insert_layer (db::LayerProperties (208, 0));
std::map<const db::Region *, unsigned int> dump_map;
dump_map [&rpsd ] = ly.insert_layer (db::LayerProperties (210, 0));
dump_map [&rnsd ] = ly.insert_layer (db::LayerProperties (211, 0));
dump_map [rpoly.get () ] = ly.insert_layer (db::LayerProperties (203, 0));
dump_map [rdiff_cont.get ()] = ly.insert_layer (db::LayerProperties (204, 0));
dump_map [rpoly_cont.get ()] = ly.insert_layer (db::LayerProperties (205, 0));
dump_map [rmetal1.get () ] = ly.insert_layer (db::LayerProperties (206, 0));
dump_map [rvia1.get () ] = ly.insert_layer (db::LayerProperties (207, 0));
dump_map [rmetal2.get () ] = ly.insert_layer (db::LayerProperties (208, 0));
// write nets to layout
db::CellMapping cm = l2n.cell_mapping_into (ly, tc);
dump_nets_to_layout (*l2n.netlist (), l2n.net_clusters (), ly, dump_map, cm);
dump_nets_to_layout (l2n, ly, dump_map, cm);
dump_map.clear ();
dump_map [&rpsd ] = ly.insert_layer (db::LayerProperties (310, 0));
dump_map [&rnsd ] = ly.insert_layer (db::LayerProperties (311, 0));
dump_map [rpoly.get () ] = ly.insert_layer (db::LayerProperties (303, 0));
dump_map [rdiff_cont.get ()] = ly.insert_layer (db::LayerProperties (304, 0));
dump_map [rpoly_cont.get ()] = ly.insert_layer (db::LayerProperties (305, 0));
dump_map [rmetal1.get () ] = ly.insert_layer (db::LayerProperties (306, 0));
dump_map [rvia1.get () ] = ly.insert_layer (db::LayerProperties (307, 0));
dump_map [rmetal2.get () ] = ly.insert_layer (db::LayerProperties (308, 0));
dump_recursive_nets_to_layout (l2n, ly, dump_map, cm);
// compare netlist as string
EXPECT_EQ (l2n.netlist ()->to_string (),
@ -345,7 +397,7 @@ TEST(1_Basic)
std::string au = tl::testsrc ();
au = tl::combine_path (au, "testdata");
au = tl::combine_path (au, "algo");
au = tl::combine_path (au, "device_extract_au1.gds");
au = tl::combine_path (au, "device_extract_au1_with_rec_nets.gds");
db::compare_layouts (_this, ly, au);
}

BIN
testdata/algo/device_extract_au1_with_rec_nets.gds vendored Normal file
View File

Binary file not shown.