coriolis/anabatic/src/AutoHorizontal.cpp

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// -*- C++ -*-
//
// This file is part of the Coriolis Software.
// Copyright (c) UPMC 2008-2016, All Rights Reserved
//
// +-----------------------------------------------------------------+
// | C O R I O L I S |
// | A n a b a t i c - Routing Toolbox |
// | |
// | Author : Jean-Paul CHAPUT |
// | E-mail : Jean-Paul.Chaput@lip6.fr |
// | =============================================================== |
// | C++ Module : "./AutoHorizontal.cpp" |
// +-----------------------------------------------------------------+
#include <algorithm>
#include "hurricane/Bug.h"
#include "hurricane/Error.h"
#include "hurricane/DebugSession.h"
#include "hurricane/RoutingPad.h"
#include "crlcore/RoutingGauge.h"
#include "anabatic/Configuration.h"
#include "anabatic/AutoContactTerminal.h"
#include "anabatic/AutoContactTurn.h"
#include "anabatic/AutoHorizontal.h"
#include "anabatic/AutoVertical.h"
namespace Anabatic {
using std::min;
using std::max;
using Hurricane::Error;
using Hurricane::Bug;
using Hurricane::DebugSession;
using Hurricane::RoutingPad;
// -------------------------------------------------------------------
// Class : "Anabatic::AutoHorizontal".
Segment* AutoHorizontal::base () { return _horizontal; }
Segment* AutoHorizontal::base () const { return _horizontal; }
Horizontal* AutoHorizontal::getHorizontal () { return _horizontal; }
DbU::Unit AutoHorizontal::getSourceU () const { return _horizontal->getSourceX(); }
DbU::Unit AutoHorizontal::getTargetU () const { return _horizontal->getTargetX(); }
DbU::Unit AutoHorizontal::getDuSource () const { return _horizontal->getDxSource(); }
DbU::Unit AutoHorizontal::getDuTarget () const { return _horizontal->getDxTarget(); }
Interval AutoHorizontal::getSpanU () const { return Interval(_horizontal->getSourceX(),_horizontal->getTargetX()); }
void AutoHorizontal::setDuSource ( DbU::Unit du ) { _horizontal->setDxSource(du); }
void AutoHorizontal::setDuTarget ( DbU::Unit du ) { _horizontal->setDxTarget(du); }
string AutoHorizontal::_getTypeName () const { return "AutoHorizontal"; }
AutoHorizontal::AutoHorizontal ( Horizontal* horizontal )
: AutoSegment(horizontal)
, _horizontal(horizontal)
{
cdebug_log(145,0) << "CTOR AutoHorizontal " << this << endl;
cdebug_log(145,0) << " over " << horizontal << endl;
}
void AutoHorizontal::_postCreate ()
{
AutoSegment::_postCreate ();
AutoContact* source = getAutoSource();
if (source->isTerminal()) source->setY( _horizontal->getY() );
AutoContact* target = getAutoTarget();
if (target->isTerminal()) target->setY( _horizontal->getY() );
_gcell = source->getGCell();
setOptimalMax( getGCell()->getYMax() );
resetNativeConstraints( getGCell()->getYMin(), getGCell()->getYMax() );
if (getGCell() != target->getGCell()) {
setFlags( SegGlobal );
vector<GCell*> gcells;
getGCells( gcells );
for ( GCell* gcell : gcells ) {
if ( (gcell != getGCell()) and (gcell != target->getGCell()) )
gcell->addHSegment( this );
mergeNativeMin( gcell->getYMin() );
mergeNativeMax( gcell->getYMax() );
}
}
}
void AutoHorizontal::_preDestroy ()
{
cdebug_log(149,0) << "AutoHorizontal::_preDestroy() - <id:" << getId() << "> " << endl;
cdebug_log(149,0) << " " << _getString() << endl;
cdebug_tabw(145,1);
if (not Session::doDestroyTool()) {
vector<GCell*> gcells;
getGCells( gcells );
for ( GCell* gcell : gcells ) gcell->removeHSegment( this );
}
AutoSegment::_preDestroy ();
cdebug_tabw(145,-1);
}
AutoHorizontal::~AutoHorizontal ()
{
if ( Session::doDestroyBaseSegment() and not Session::doDestroyTool() ) {
cdebug_log(149,0) << "~AutoHorizontal() - " << endl;
_horizontal->destroy ();
}
}
Interval AutoHorizontal::getSourceConstraints ( unsigned int flags ) const
{
if (flags & Flags::NativeConstraints) {
Box nativeBox ( getAutoSource()->getNativeConstraintBox() );
return Interval ( nativeBox.getYMin(), nativeBox.getYMax() );
}
return Interval ( getAutoSource()->getCBYMin(), getAutoSource()->getCBYMax() );
}
Interval AutoHorizontal::getTargetConstraints ( unsigned int flags ) const
{
if (flags & Flags::NativeConstraints) {
Box nativeBox ( getAutoTarget()->getNativeConstraintBox() );
return Interval ( nativeBox.getYMin(), nativeBox.getYMax() );
}
return Interval ( getAutoTarget()->getCBYMin(), getAutoTarget()->getCBYMax() );
}
bool AutoHorizontal::getConstraints ( DbU::Unit& constraintMin, DbU::Unit& constraintMax ) const
{
constraintMin = getNativeMin();
constraintMax = getNativeMax();
cdebug_log(149,0) << "Native constraints: ["
<< DbU::getValueString(constraintMin) << ":"
<< DbU::getValueString(constraintMax) << "]"
<< endl;
constraintMin = max ( constraintMin, getUserConstraints().getVMin() );
constraintMax = min ( constraintMax, getUserConstraints().getVMax() );
cdebug_log(149,0) << "Merge with user constraints: " << getUserConstraints() << " ["
<< DbU::getValueString(getUserConstraints().getVMin()) << ":"
<< DbU::getValueString(getUserConstraints().getVMax()) << "]"
<< endl;
cdebug_log(149,0) << "Resulting constraints: " << " ["
<< DbU::getValueString(constraintMin) << ":"
<< DbU::getValueString(constraintMax) << "]"
<< endl;
return true;
}
unsigned int AutoHorizontal::getDirection () const
{ return Flags::Horizontal; }
size_t AutoHorizontal::getGCells ( vector<GCell*>& gcells ) const
{
vector<GCell*>().swap( gcells );
DbU::Unit yprobe = getNativeMin();
GCell* gcell = getAutoSource()->getGCell();
GCell* end = getAutoTarget()->getGCell();
if (gcell->getXMin() > end->getXMin()) std::swap( gcell, end );
gcells.push_back( gcell );
while ( gcell != end ) {
gcell = gcell->getEast( yprobe );
if (not gcell) {
cerr << Error( "AutoHorizontal::getGCells() : NULL GCell under %s\n"
" begin:%s\n"
" end: %s"
, getString(this).c_str()
, getString(getAutoSource()->getGCell()).c_str()
, getString(getAutoTarget()->getGCell()).c_str()
) << endl;
break;
}
gcells.push_back( gcell );
}
return gcells.size();
}
bool AutoHorizontal::_canSlacken () const
{
cdebug_tabw(149,1);
Interval sourceSide = getAutoSource()->getGCell()->getSide( Flags::Vertical );
Interval targetSide = getAutoTarget()->getGCell()->getSide( Flags::Vertical );
Interval sourceConstraints = Interval(getAutoSource()->getCBYMin(),getAutoSource()->getCBYMax());
Interval targetConstraints = Interval(getAutoTarget()->getCBYMin(),getAutoTarget()->getCBYMax());
// Expand by a tiny amount for the "contains" to work for sure.
sourceConstraints.inflate( 1 );
targetConstraints.inflate( 1 );
cdebug_log(149,0) << "source " << getAutoSource() << endl;
cdebug_log(149,0) << "source constraints: " << sourceConstraints
<< " " << DbU::getValueString(sourceConstraints.getSize()) << endl;
cdebug_log(149,0) << "target " << getAutoTarget() << endl;
cdebug_log(149,0) << "target constraints: " << targetConstraints
<< " " << DbU::getValueString(targetConstraints.getSize()) << endl;
if (not sourceConstraints.contains(sourceSide)) { cdebug_tabw(149,-1); return true; }
if (not targetConstraints.contains(targetSide)) { cdebug_tabw(149,-1); return true; }
cdebug_tabw(149,-1);
return false;
}
bool AutoHorizontal::_slacken ( unsigned int flags )
{
cdebug_log(149,0) << "AutoHorizontal::_slacken() " << this << endl;
if (not isStrongTerminal()) return false;
const Configuration* configuration = Session::getConfiguration();
const Layer* metal2 = configuration->getRoutingLayer( 1 );
bool success = false;
bool isMetal2Source = false;
bool isMetal2Target = false;
DbU::Unit height = 0;
AutoContact* source = getAutoSource();
AutoContact* target = getAutoTarget();
if (source->isTerminal()) {
height = (static_cast<RoutingPad*>(source->getAnchor()))->getBoundingBox().getHeight();
isMetal2Source = (source->getLayer() == metal2);
}
if (target->isTerminal()) {
height = std::min( height, (static_cast<RoutingPad*>(target->getAnchor()))->getBoundingBox().getHeight() );
isMetal2Target = (target->getLayer() == metal2);
}
if (height >= 4*getPitch()) {
if (not (_flags & (SegGlobal|SegWeakGlobal)) and (getLength() < 5*getPitch()))
return false;
}
cdebug_tabw(149,1);
cdebug_log(149,0) << "_flags:" << (_flags & (SegGlobal|SegWeakGlobal)) << endl;
cdebug_log(149,0) << "test:" << (getLength() < 5*getPitch()) << endl;
cdebug_log(149,0) << "length:" << DbU::getValueString(getLength()) << endl;
int lowSlack = (flags & Flags::HalfSlacken) ? 3 : 10;
bool slackened = false;
bool halfSlackened = false;
DbU::Unit targetPosition = getTargetPosition();
AutoSegment* parallel = this;
if (source->isTerminal()) {
Interval perpandConstraints = getAutoTarget()->getUConstraints(Flags::Horizontal);
Interval constraints = source->getUConstraints (Flags::Vertical|Flags::NoGCellShrink);
Interval nativeConstraints = source->getNativeUConstraints(Flags::Vertical|Flags::NoGCellShrink);
int slack = constraints.getSize() / getPitch();
int nativeSlack = nativeConstraints.getSize() / getPitch();
cdebug_log(149,0) << "Source constraint: " << constraints
<< " slack:" << slack
<< " native slack:" << nativeSlack << endl;
cdebug_log(149,0) << "Perpand constraints on target: " << perpandConstraints << endl;
// Ugly: GCell's track number is hardwired.
if ((nativeSlack < lowSlack) or (nativeSlack - slack < 3)) {
cdebug_log(149,0) << "Slackening from Source: " << source << endl;
_makeDogleg( source->getGCell(), Flags::NoFlags );
slackened = true;
} else if (slack < 10) {
halfSlackened = true;
}
const vector<AutoSegment*>& doglegs = Session::getDoglegs();
if (doglegs.size() >= 2) {
cdebug_log(149,0) << "AutoSegment::_slaken(): Source @" << DbU::getValueString(getSourcePosition()) << endl;
doglegs[doglegs.size()-2]->setAxis( getSourcePosition() );
success = true;
if (isMetal2Source) {
cdebug_log(149,0) << "Fixing on source terminal contact."
<< doglegs[doglegs.size()-2]->getAutoSource() << endl;
//doglegs[doglegs.size()-2]->getAutoSource()->setFlags( CntFixed );
doglegs[doglegs.size()-2]->getAutoSource()->setConstraintBox( source->getConstraintBox() );
doglegs[doglegs.size()-2]->getAutoSource()->setFlags( CntUserNativeConstraints );
}
parallel = doglegs[ doglegs.size()-1 ];
}
}
if (parallel) target = parallel->getAutoTarget();
if (target->isTerminal()) {
Interval constraints = target->getUConstraints (Flags::Vertical|Flags::NoGCellShrink);
Interval nativeConstraints = target->getNativeUConstraints(Flags::Vertical|Flags::NoGCellShrink);
int slack = constraints.getSize() / getPitch();
int nativeSlack = nativeConstraints.getSize() / getPitch();
// Ugly: GCell's track number is hardwired.
cdebug_log(149,0) << "Target constraint: " << constraints
<< " slack:" << slack
<< " native slack:" << nativeSlack << endl;
if ((nativeSlack < lowSlack) or (nativeSlack - slack < 3)) {
cdebug_log(149,0) << "Slackening from Target: " << target << endl;
parallel->_makeDogleg( target->getGCell(), Flags::NoFlags );
slackened = true;
} else if (slack < 10) {
halfSlackened = true;
}
if (halfSlackened) {
setFlags( SegHalfSlackened );
} else if (slackened) {
setFlags ( SegSlackened );
unsetFlags( SegHalfSlackened );
}
const vector<AutoSegment*>& doglegs = Session::getDoglegs();
if (doglegs.size() >= 2) {
cdebug_log(149,0) << "AutoSegment::_slaken(): Target @" << DbU::getValueString(targetPosition) << endl;
doglegs[doglegs.size()-2]->setAxis( targetPosition );
success = true;
if (isMetal2Target) {
cdebug_log(149,0) << "Fixing on target terminal contact: "
<< doglegs[doglegs.size()-2]->getAutoTarget() << endl;
//doglegs[doglegs.size()-2]->getAutoTarget()->setFlags( CntFixed );
doglegs[doglegs.size()-2]->getAutoTarget()->setConstraintBox( target->getConstraintBox() );
doglegs[doglegs.size()-2]->getAutoTarget()->setFlags( CntUserNativeConstraints );
}
}
}
cdebug_tabw(149,-1);
return success;
}
void AutoHorizontal::_setAxis ( DbU::Unit axis )
{
setFlags( SegAxisSet );
if ((axis != getAxis()) and isFixed()) {
cerr << Error( "AutoHorizontal::setAxis(): Cannot move fixed segment to %s.\n"
" (on: %s)"
, DbU::getValueString(axis).c_str()
, _getString().c_str()
) << endl;
}
if (_horizontal->getY() == axis) return;
cdebug_log(145,0) << "_setAxis() @Y " << DbU::toLambda(axis) << " " << this << endl;
_horizontal->setY( axis );
invalidate();
AutoContact* anchor = getAutoSource();
anchor->invalidate();
if (anchor->isTerminal()) anchor->setY( axis );
anchor = getAutoTarget();
anchor->invalidate();
if (anchor->isTerminal()) anchor->setY( axis );
}
void AutoHorizontal::updateOrient ()
{
if (_horizontal->getTargetX() < _horizontal->getSourceX()) {
cdebug_log(145,0) << "updateOrient() " << this << " (before S/T swap)" << endl;
_horizontal->invert();
unsigned int spinFlags = _flags & SegDepthSpin;
unsetFlags( SegDepthSpin );
if (spinFlags & SegSourceTop ) setFlags( SegTargetTop );
if (spinFlags & SegSourceBottom) setFlags( SegTargetBottom );
if (spinFlags & SegTargetTop ) setFlags( SegSourceTop );
if (spinFlags & SegTargetBottom) setFlags( SegSourceBottom );
}
}
void AutoHorizontal::updatePositions ()
{
_sourcePosition = _horizontal->getSourceX() - Session::getExtensionCap(getLayer());
_targetPosition = _horizontal->getTargetX() + Session::getExtensionCap(getLayer());
}
void AutoHorizontal::updateNativeConstraints ()
{
vector<GCell*> gcells;
getGCells( gcells );
resetNativeConstraints( gcells[0]->getYMin(), gcells[0]->getYMax() );
for ( GCell* gcell : gcells ) {
mergeNativeMin( gcell->getYMin() );
mergeNativeMax( gcell->getYMax() );
}
}
bool AutoHorizontal::checkPositions () const
{
bool coherency = true;
DbU::Unit sourcePosition = _horizontal->getSourceX() - Session::getExtensionCap(getLayer());
DbU::Unit targetPosition = _horizontal->getTargetX() + Session::getExtensionCap(getLayer());
if ( _sourcePosition != sourcePosition ) {
cerr << Error ( "%s\n Source position incoherency: "
"shadow: %s, real: %s."
, _getString().c_str()
, DbU::getValueString(_sourcePosition).c_str()
, DbU::getValueString( sourcePosition).c_str()
) << endl;
coherency = false;
}
if ( _targetPosition != targetPosition ) {
cerr << Error ( "%s\n Target position incoherency: "
"shadow: %s, real: %s."
, _getString().c_str()
, DbU::getValueString(_targetPosition).c_str()
, DbU::getValueString( targetPosition).c_str()
) << endl;
coherency = false;
}
return coherency;
}
bool AutoHorizontal::checkConstraints () const
{
Interval sourceConstraints = Interval(getAutoSource()->getCBYMin(),getAutoSource()->getCBYMax());
Interval targetConstraints = Interval(getAutoTarget()->getCBYMin(),getAutoTarget()->getCBYMax());
if (not sourceConstraints.intersect(targetConstraints)) {
cerr << Error ( "%s\n Constraints incoherency:\n"
" S:%s %s\n"
" T:%s %s"
, _getString().c_str()
, getString(sourceConstraints).c_str()
, getString(getAutoSource()).c_str()
, getString(targetConstraints).c_str()
, getString(getAutoTarget()).c_str()
) << endl;
return false;
}
return true;
}
bool AutoHorizontal::canMoveULeft ( float reserve ) const
{
#if THIS_IS_DISABLED
//cerr << "canMoveULeft() " << this << endl;
if (not isGlobal()) return false;
if (not getAutoSource()->isTurn() or not getAutoTarget()->isTurn()) return false;
if (not getAutoSource()->getGCell()->getDown()) return false;
AutoContact* autoSource = getAutoSource();
AutoContact* autoTarget = getAutoTarget();
AutoSegment* perpandiculars[2] = { autoSource->getSegment(0), autoTarget->getSegment(0) };
if ( ( (not perpandiculars[0]->isGlobal()) or (perpandiculars[0]->getAutoSource() == autoSource) )
and ( (not perpandiculars[1]->isGlobal()) or (perpandiculars[1]->getAutoSource() == autoTarget) ) )
return false;
GCell* begin = autoSource->getGCell();
GCell* end = autoTarget->getGCell();
unsigned int depth = Session::getRoutingGauge()->getLayerDepth( getLayer() );
float currMaxDensity = 0.0;
float leftMaxDensity = 0.0;
//cerr << "| begin:" << begin << endl;
//cerr << "| end: " << end << endl;
for ( GCell* gcell=begin ; gcell and gcell!=end ; gcell=gcell->getRight() ) {
//cerr << "| gcell:" << gcell << endl;
if (currMaxDensity < gcell->getWDensity(depth)) currMaxDensity = gcell->getWDensity( depth );
}
begin = begin->getDown();
end = end ->getDown();
for ( GCell* gcell=begin ; gcell and gcell!=end ; gcell=gcell->getRight() ) {
if (leftMaxDensity < gcell->getWDensity(depth)) leftMaxDensity = gcell->getWDensity( depth );
}
return (leftMaxDensity + reserve < currMaxDensity);
#endif
return false;
}
bool AutoHorizontal::canMoveURight ( float reserve ) const
{
#if THIS_IS_DISABLED
//cerr << "canMoveURight() " << this << endl;
if (not isGlobal()) return false;
if (not getAutoSource()->isTurn() or not getAutoTarget()->isTurn()) return false;
if (not getAutoSource()->getGCell()->getUp()) return false;
AutoContact* autoSource = getAutoSource();
AutoContact* autoTarget = getAutoTarget();
AutoSegment* perpandiculars[2] = { autoSource->getSegment(0), autoTarget->getSegment(0) };
if ( ( (not perpandiculars[0]->isGlobal()) or (perpandiculars[0]->getAutoTarget() == autoSource) )
and ( (not perpandiculars[1]->isGlobal()) or (perpandiculars[1]->getAutoTarget() == autoTarget) ) )
return false;
GCell* begin = autoSource->getGCell();
GCell* end = autoTarget->getGCell();
unsigned int depth = Session::getRoutingGauge()->getLayerDepth( getLayer() );
float currMaxDensity = 0.0;
float leftMaxDensity = 0.0;
//cerr << "| begin:" << begin << endl;
//cerr << "| end: " << end << endl;
for ( GCell* gcell=begin ; gcell and gcell!=end ; gcell=gcell->getRight() ) {
//cerr << "| gcell: " << gcell << endl;
if (currMaxDensity < gcell->getWDensity(depth)) currMaxDensity = gcell->getWDensity( depth );
}
begin = begin->getUp();
end = end ->getUp();
for ( GCell* gcell=begin ; gcell and gcell!=end ; gcell=gcell->getRight() ) {
if (leftMaxDensity < gcell->getWDensity(depth)) leftMaxDensity = gcell->getWDensity( depth );
}
return (leftMaxDensity + reserve < currMaxDensity);
#endif
return false;
}
bool AutoHorizontal::moveULeft ()
{
#if THIS_IS_DISABLED
if (not getAutoSource()->isTurn() or not getAutoTarget()->isTurn()) return false;
if (not getAutoSource()->getGCell()->getDown()) return false;
AutoContact* autoSource = getAutoSource();
AutoContact* autoTarget = getAutoTarget();
GCell* begin = autoSource->getGCell();
GCell* end = autoTarget->getGCell();
AutoSegment* perpandicular = autoSource->getSegment(2);
if (perpandicular->isLocal()) {
perpandicular->setFlags( Anabatic::SegGlobal );
} else {
if (perpandicular->getAutoSource() == autoSource) {
begin->addVSegment( perpandicular );
} else {
if (begin->getDown() == perpandicular->getAutoSource()->getGCell()) {
perpandicular->unsetFlags( Anabatic::SegGlobal );
} else
begin->getDown()->removeVSegment( perpandicular );
}
}
perpandicular = autoTarget->getSegment(2);
if (perpandicular->isLocal()) {
perpandicular->setFlags( Anabatic::SegGlobal );
} else {
if (perpandicular->getAutoSource() == autoTarget) {
end->addVSegment( perpandicular );
} else {
if (end->getDown() == perpandicular->getAutoSource()->getGCell()) {
perpandicular->unsetFlags( Anabatic::SegGlobal );
} else
end->getDown()->removeVSegment( perpandicular );
}
}
if (begin != end) {
for ( GCell* gcell=begin->getRight() ; gcell and gcell!=end ; gcell=gcell->getRight() )
gcell->removeHSegment( this );
}
begin = begin->getDown();
end = end ->getDown();
autoSource->setGCell( begin );
autoTarget->setGCell( end );
if (begin != end) {
for ( GCell* gcell=begin->getRight() ; gcell and gcell!=end ; gcell=gcell->getRight() )
gcell->addHSegment( this );
}
DbU::Unit y = begin->getSide(Flags::Vertical).getVMax();
setAxis( y );
return true;
#endif
return false;
}
bool AutoHorizontal::moveURight ()
{
#if THIS_IS_DISABLED
//cerr << "moveURight() " << this << endl;
if (not getAutoSource()->isTurn() or not getAutoTarget()->isTurn()) return false;
if (not getAutoSource()->getGCell()->getUp()) return false;
AutoContact* autoSource = getAutoSource();
AutoContact* autoTarget = getAutoTarget();
GCell* begin = autoSource->getGCell();
GCell* end = autoTarget->getGCell();
AutoSegment* perpandicular = autoSource->getSegment(2);
if (perpandicular->isLocal()) {
perpandicular->setFlags( Anabatic::SegGlobal );
} else {
if (perpandicular->getAutoTarget() == autoSource) {
begin->addVSegment( perpandicular );
} else {
if (begin->getUp() == perpandicular->getAutoTarget()->getGCell()) {
perpandicular->unsetFlags( Anabatic::SegGlobal );
} else
begin->getUp()->removeVSegment( perpandicular );
}
}
perpandicular = autoTarget->getSegment(2);
if (perpandicular->isLocal()) {
perpandicular->setFlags( Anabatic::SegGlobal );
} else {
if (perpandicular->getAutoTarget() == autoTarget) {
end->addVSegment( perpandicular );
} else {
if (end->getUp() == perpandicular->getAutoTarget()->getGCell()) {
perpandicular->unsetFlags( Anabatic::SegGlobal );
} else
end->getUp()->removeVSegment( perpandicular );
}
}
//cerr << "| begin:" << begin << endl;
//cerr << "| end: " << end << endl;
//cerr << "* remove" << endl;
if (begin != end) {
for ( GCell* gcell=begin->getRight() ; gcell and gcell!=end ; gcell=gcell->getRight() ) {
//cerr << "| gcell: " << end << endl;
gcell->removeHSegment( this );
}
}
begin = begin->getUp();
end = end ->getUp();
autoSource->setGCell( begin );
autoTarget->setGCell( end );
//cerr << "* add" << endl;
if (begin != end) {
for ( GCell* gcell=begin->getRight() ; gcell and gcell!=end ; gcell=gcell->getRight() ) {
//cerr << "| gcell: " << end << endl;
gcell->addHSegment( this );
}
}
DbU::Unit y = begin->getSide( Flags::Vertical ).getVMin();
setAxis( y );
return true;
#endif
return false;
}
unsigned int AutoHorizontal::_makeDogleg ( GCell* doglegGCell, unsigned int flags )
{
DebugSession::open( getNet(), 140, 150 );
cdebug_log(149,0) << "AutoHorizontal::_makeDogleg(GCell*)" << endl;
cdebug_tabw(149,1);
//Session::doglegReset();
AutoContact* autoTarget = getAutoTarget();
AutoContact* autoSource = getAutoSource();
GCell* begin = autoSource->getGCell();
GCell* end = autoTarget->getGCell();
DbU::Unit doglegAxis = (doglegGCell->getXMax() + doglegGCell->getXMin()) / 2;
if (isLocal())
doglegAxis = (getSourceX() + getTargetX()) / 2;
cdebug_log(149,0) << "Detaching from Target AutoContact " << autoTarget << "." << endl;
if (doglegGCell == begin) unsetFlags( SegGlobal );
if (doglegGCell != end) {
GCell* gcell = doglegGCell;
do {
if (gcell != begin)
gcell->removeHSegment( this );
gcell = gcell->getEast( getNativeMin() );
} while ( gcell and (gcell != end) );
}
size_t depth = Session::getRoutingGauge()->getLayerDepth( _horizontal->getLayer() );
bool upLayer = (depth+1 <= Session::getConfiguration()->getAllowedDepth());
Layer* contactLayer = Session::getRoutingGauge()->getContactLayer( depth + ((upLayer)?0:-1) );
const Layer* doglegLayer = Session::getRoutingGauge()->getRoutingLayer( depth + ((upLayer)?1:-1) );
Session::dogleg( this );
targetDetach();
invalidate( Flags::Topology );
autoTarget->invalidate( Flags::Topology );
AutoContact* dlContact1 = AutoContactTurn::create( doglegGCell, _horizontal->getNet(), contactLayer );
AutoContact* dlContact2 = AutoContactTurn::create( doglegGCell, _horizontal->getNet(), contactLayer );
AutoSegment* segment1 = AutoSegment::create( dlContact1 , dlContact2, Flags::Vertical );
segment1->setLayer( doglegLayer );
segment1->_setAxis( doglegAxis );
segment1->setFlags( SegDogleg|SegSlackened|SegCanonical|SegNotAligned );
cdebug_log(149,0) << "New " << dlContact1 << endl;
cdebug_log(149,0) << "New " << dlContact2 << endl;
Session::dogleg( segment1 );
targetAttach( dlContact1 );
AutoSegment* segment2 = AutoSegment::create( dlContact2 , autoTarget, Flags::Horizontal );
autoTarget->cacheAttach( segment2 );
segment2->setLayer( getLayer() );
segment2->_setAxis( getY() );
segment2->setFlags( (isSlackened()?SegSlackened:0) );
Session::dogleg( segment2 );
if (autoSource->isTerminal()) {
segment1->setFlags( SegWeakTerminal1 );
segment2->setFlags( SegWeakTerminal1 );
autoTarget->unsetFlags( CntWeakTerminal );
dlContact1->setFlags ( CntWeakTerminal );
if (autoTarget->getGCell() == doglegGCell)
dlContact1->migrateConstraintBox( autoTarget );
} else if (autoTarget->isTerminal()) {
unsetFlags( SegTargetTerminal );
setFlags( SegWeakTerminal1 );
segment1->setFlags( SegWeakTerminal1 );
segment2->setFlags( SegTargetTerminal );
autoSource->unsetFlags( CntWeakTerminal );
dlContact2->setFlags ( CntWeakTerminal );
if (autoSource->getGCell() == doglegGCell)
dlContact2->migrateConstraintBox( autoSource );
} else if (isWeakTerminal()) {
segment1->setFlags( SegWeakTerminal1 );
segment2->setFlags( SegWeakTerminal1 );
}
cdebug_log(149,0) << "Session::dogleg[x+1] perpand: " << segment1 << endl;
cdebug_log(149,0) << "Session::dogleg[x+2] new paral: " << segment2 << endl;
cdebug_log(149,0) << "Session::dogleg[x+0] original: " << this << endl;
dlContact1->updateCache();
dlContact2->updateCache();
//autoTarget->updateCache();
segment2->canonize( flags );
if (not isCanonical()) canonize( flags );
updateNativeConstraints();
segment2->updateNativeConstraints();
cdebug_tabw(149,-1);
DebugSession::close();
return (upLayer) ? Flags::AboveLayer : Flags::BelowLayer;
}
string AutoHorizontal::_getString () const
{
string s = AutoSegment::_getString();
return s;
}
Record* AutoHorizontal::_getRecord () const
{
Record* record = AutoSegment::_getRecord ();
record->add ( getSlot ( "_horizontal", _horizontal ) );
return record;
}
} // End of Anabatic namespace.