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WIP

This commit is contained in:
Matthias Koefferlein 2025-08-16 23:01:12 +02:00
parent 61ee2305eb
commit a1feb676ee
1 changed files with 56 additions and 6 deletions
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62
src/edt/edt/edtServiceImpl.cc
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@ -1450,7 +1450,18 @@ PathService::via ()
tl_assert (false); // see TODO
#endif
// @@@
// not enough points to form a path
if (m_points.size () < 2) {
return;
}
/* @@@
if (m_combine_mode != CM_Add) {
// @@@ an error?
return;
}
*/
db::LayerProperties lp = layout ().get_properties (layer ());
// definitions of vias found
@ -1460,12 +1471,12 @@ PathService::via ()
: lib (0), pcell (0)
{ }
SelectedViaDefinition (const db::Library *_lib, const db::PCellDeclaration *_pcell, const db::ViaType &_via_type)
SelectedViaDefinition (db::Library *_lib, db::pcell_id_type _pcell, const db::ViaType &_via_type)
: lib (_lib), pcell (_pcell), via_type (_via_type)
{ }
const db::Library *lib;
const db::PCellDeclaration *pcell;
db::Library *lib;
db::pcell_id_type pcell;
db::ViaType via_type;
};
@ -1474,13 +1485,13 @@ PathService::via ()
// Find vias with corresponding top an bottom layers
// @@@ TODO: move elsewhere
for (auto l = db::LibraryManager::instance ().begin (); l != db::LibraryManager::instance ().end (); ++l) {
const db::Library *lib = db::LibraryManager::instance ().lib (l->second);
db::Library *lib = db::LibraryManager::instance ().lib (l->second);
for (auto pc = lib->layout ().begin_pcells (); pc != lib->layout ().end_pcells (); ++pc) {
const db::PCellDeclaration *pcell = lib->layout ().pcell_declaration (pc->second);
auto via_types = pcell->via_types ();
for (auto vt = via_types.begin (); vt != via_types.end (); ++vt) {
if ((vt->bottom.log_equal (lp) && vt->bottom_wired) || (vt->top.log_equal (lp) && vt->top_wired)) {
via_defs.push_back (SelectedViaDefinition (lib, pcell, *vt));
via_defs.push_back (SelectedViaDefinition (lib, pc->second, *vt));
}
}
}
@ -1527,7 +1538,46 @@ PathService::via ()
}
// produce the path up to the current point
db::DPoint via_pos = m_points.back ();
cell ().shapes (layer ()).insert (get_path ());
bool is_bottom = via_def.via_type.bottom.log_equal (lp);
db::LayerProperties lp_new = is_bottom ? via_def.via_type.top : via_def.via_type.bottom;
// compute the via parameters
double w_bottom = 0.0, h_bottom = 0.0, w_top = 0.0, h_top = 0.0;
db::DVector dwire = m_points.back () - m_points [m_points.size () - 2];
if (std::abs (dwire.y ()) > db::epsilon) {
(is_bottom ? w_bottom : w_top) = m_width;
}
if (std::abs (dwire.x ()) > db::epsilon) {
(is_bottom ? h_bottom : h_top) = m_width;
}
// create the via cell
std::map<std::string, tl::Variant> params;
params.insert (std::make_pair ("via", tl::Variant (via_def.via_type.name)));
params.insert (std::make_pair ("w_bottom", tl::Variant (w_bottom)));
params.insert (std::make_pair ("w_top", tl::Variant (w_top)));
params.insert (std::make_pair ("h_bottom", tl::Variant (h_bottom)));
params.insert (std::make_pair ("h_top", tl::Variant (h_top)));
auto via_lib_cell = via_def.lib->layout ().get_pcell_variant_dict (via_def.pcell, params);
auto via_cell = layout ().get_lib_proxy (via_def.lib, via_lib_cell);
cell ().insert (db::CellInstArray (db::CellInst (via_cell), db::Trans (trans () * via_pos - db::Point ())));
tl::warn << "@@@1 " << via_def.via_type.name;
// @@@ switch layer ..
m_points.clear ();
m_points.push_back (via_pos);
m_points.push_back (via_pos);
m_last = m_points.back ();
update_marker ();
}
bool