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* Bug: In KatanaEngine::TrackFixedSegment CTOR, for finding the GCells 

under the fixed segment, we were using the axis *of the segment*,
    but if it is very wide, this is completly off.
      Now use the axis of the *track* to get the right GCells impacteds.
This commit is contained in:
Jean-Paul Chaput 2021-02-01 16:52:03 +01:00
parent 35d54c3e74
commit 14ff6ce78a
1 changed files with 15 additions and 5 deletions
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20
katana/src/TrackFixedSegment.cpp
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@ -60,7 +60,7 @@ namespace Katana {
: TrackElement (NULL) : TrackElement (NULL)
, _segment (segment) , _segment (segment)
{ {
cdebug_log(159,0) << "TrackFixedSegment::TrackFixedSegment() track:" << track << endl; cdebug_log(159,0) << "TrackFixedSegment::TrackFixedSegment() track=" << track << endl;
Box boundingBox = segment->getBoundingBox(); Box boundingBox = segment->getBoundingBox();
uint32_t flags = TElemFixed | ((segment->getNet() == Session::getBlockageNet()) ? TElemBlockage : 0); uint32_t flags = TElemFixed | ((segment->getNet() == Session::getBlockageNet()) ? TElemBlockage : 0);
@ -74,6 +74,8 @@ namespace Katana {
//if (layer2) { //if (layer2) {
//cerr << track->getLayer() << " minSpace:" << DbU::getValueString(track->getLayer()->getMinimalSpacing()) << endl; //cerr << track->getLayer() << " minSpace:" << DbU::getValueString(track->getLayer()->getMinimalSpacing()) << endl;
Point source;
Point target;
Interval segside; Interval segside;
Interval uside = track->getKatanaEngine()->getUSide( track->getDirection() ); Interval uside = track->getKatanaEngine()->getUSide( track->getDirection() );
DbU::Unit cap = track->getLayer()->getMinimalSpacing()/2 /*+ track->getLayer()->getExtentionCap()*/; DbU::Unit cap = track->getLayer()->getMinimalSpacing()/2 /*+ track->getLayer()->getExtentionCap()*/;
@ -83,23 +85,31 @@ namespace Katana {
segside = Interval( boundingBox.getXMin(), boundingBox.getXMax() ); segside = Interval( boundingBox.getXMin(), boundingBox.getXMax() );
_sourceU = max( boundingBox.getXMin() - cap, uside.getVMin()); _sourceU = max( boundingBox.getXMin() - cap, uside.getVMin());
_targetU = min( boundingBox.getXMax() + cap, uside.getVMax()); _targetU = min( boundingBox.getXMax() + cap, uside.getVMax());
source = Point( boundingBox.getXMin(), track->getAxis() );
target = Point( boundingBox.getXMax(), track->getAxis() );
} else { } else {
segside = Interval( boundingBox.getYMin(), boundingBox.getYMax() ); segside = Interval( boundingBox.getYMin(), boundingBox.getYMax() );
_sourceU = max( boundingBox.getYMin() - cap, uside.getVMin()); _sourceU = max( boundingBox.getYMin() - cap, uside.getVMin());
_targetU = min( boundingBox.getYMax() + cap, uside.getVMax()); _targetU = min( boundingBox.getYMax() + cap, uside.getVMax());
source = Point( track->getAxis(), boundingBox.getYMin() );
target = Point( track->getAxis(), boundingBox.getYMax() );
} }
Flags gcellFlags = Flags::NoFlags; Flags gcellFlags = Flags::NoFlags;
if (segment->getNet()->isSupply() and (depth > 0)) { // if (segment->getNet()->isSupply() and (depth > 0)) {
gcellFlags |= Flags::GoStraight; // cerr << "GoStraight from " << segment << endl;
} // // gcellFlags |= Flags::GoStraight;
// }
GCellsUnder gcells = track->getKatanaEngine()->getGCellsUnder( segment ); GCellsUnder gcells = track->getKatanaEngine()->getGCellsUnder( source, target );
for ( size_t i=0 ; i<gcells->size() ; ++i ) { for ( size_t i=0 ; i<gcells->size() ; ++i ) {
GCell* gcell = gcells->gcellAt(i); GCell* gcell = gcells->gcellAt(i);
gcell->addBlockage gcell->addBlockage
( depth, gcell->getSide( track->getDirection() ).getIntersection( segside ).getSize() ); ( depth, gcell->getSide( track->getDirection() ).getIntersection( segside ).getSize() );
gcell->flags() |= gcellFlags; gcell->flags() |= gcellFlags;
// if (gcellFlags & Flags::GoStraight) {
// cerr << "| Set GoStraight on " << gcell << endl;
// }
} }
//} //}
} else } else