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Drc update #46

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Merged
ZhishengZeng merged 2 commits into from
May 28, 2026
Merged

Drc update #46

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6356095
iDRC: adapt to db refactor
shuyulun01 May 25, 2026
d1ff44a
iDRC: fix unplaced instance shapes
shuyulun01 May 27, 2026
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19 changes: 19 additions & 0 deletions src/operation/iDRC/interface/DRCInterface.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -894,10 +894,13 @@ std::vector<ids::Shape> DRCInterface::buildEnvShapeList()
std::vector<idb::IdbNet*>& idb_net_list = dmInst->get_idb_def_service()->get_design()->get_net_list()->get_net_list();
std::vector<idb::IdbSpecialNet*>& idb_special_net_list = dmInst->get_idb_def_service()->get_design()->get_special_net_list()->get_net_list();
std::vector<idb::IdbPin*>& idb_io_pin_list = dmInst->get_idb_def_service()->get_design()->get_io_pin_list()->get_pin_list();
idb::IdbDesign* idb_design = dmInst->get_idb_def_service()->get_design();
std::map<idb::IdbPin*, int32_t> special_pin_net_idx_map;
std::map<idb::IdbSpecialNet*, int32_t> special_net_idx_map;
int32_t regular_net_num = static_cast<int32_t>(idb_net_list.size());
for (size_t i = 0; i < idb_special_net_list.size(); ++i) {
int32_t special_net_id = regular_net_num + static_cast<int32_t>(i);
special_net_idx_map[idb_special_net_list[i]] = special_net_id;
for (idb::IdbPin* idb_pin : idb_special_net_list[i]->get_instance_pin_list()->get_pin_list()) {
special_pin_net_idx_map[idb_pin] = special_net_id;
}
Expand All @@ -910,16 +913,29 @@ std::vector<ids::Shape> DRCInterface::buildEnvShapeList()
if (it != special_pin_net_idx_map.end()) {
return it->second;
}
if (!idb_pin->is_io_pin()) {
idb::IdbSpecialNet* special_net = idb_design->findSpecialNetForInstancePin(idb_pin);
auto special_it = special_net_idx_map.find(special_net);
if (special_it != special_net_idx_map.end()) {
return special_it->second;
}
}
if (!isSkipping(idb_pin->get_net())) {
return static_cast<int32_t>(idb_pin->get_net()->get_id());
}
return -1;
};
auto should_skip_instance_shape = [](idb::IdbInstance* idb_instance) {
return idb_instance->is_unplaced() || idb_instance->get_status() == idb::IdbPlacementStatus::kNone;
};

size_t total_env_shape_num = 0;
{
// instance
for (idb::IdbInstance* idb_instance : idb_instance_list) {
if (should_skip_instance_shape(idb_instance)) {
continue;
}
// instance obs
for (idb::IdbLayerShape* obs_box : idb_instance->get_obs_box_list()) {
total_env_shape_num += obs_box->get_rect_list().size();
Expand Down Expand Up @@ -947,6 +963,9 @@ std::vector<ids::Shape> DRCInterface::buildEnvShapeList()
{
// instance
for (idb::IdbInstance* idb_instance : idb_instance_list) {
if (should_skip_instance_shape(idb_instance)) {
continue;
}
// instance obs
for (idb::IdbLayerShape* obs_box : idb_instance->get_obs_box_list()) {
for (idb::IdbRect* rect : obs_box->get_rect_list()) {
Expand Down
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