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Free shapeSet #3202

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acc05e8
Free shapeSet
Faholan May 30, 2025
18b64bb
Free shape set
Faholan Jun 2, 2025
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15 changes: 12 additions & 3 deletions flow/scripts/placement_blockages.tcl
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Original file line number Diff line number Diff line change
Expand Up @@ -18,8 +18,8 @@ proc block_channels {channel_width_in_microns} {
# Resize to fill the channels and edge gap
#
set resize_by [expr round($channel_width_in_microns * $units)]
set shapeSet [odb::orSets $shapes]
set shapeSet [odb::bloatSet $shapeSet $resize_by]
set shapeSet0 [odb::orSets $shapes]
set shapeSet1 [odb::bloatSet $shapeSet0 $resize_by]

#
# Clip result to the core area
Expand All @@ -30,7 +30,7 @@ proc block_channels {channel_width_in_microns} {
set xh [$core xMax]
set yh [$core yMax]
set core_rect [odb::newSetFromRect $xl $yl $xh $yh]
set shapeSet [odb::andSet $shapeSet $core_rect]
set shapeSet [odb::andSet $shapeSet1 $core_rect]

#
# Output the blockages
Expand All @@ -41,5 +41,14 @@ proc block_channels {channel_width_in_microns} {
[$rect xMin] [$rect yMin] [$rect xMax] [$rect yMax]]
$b setSoft
}

odb::destroySet $shapeSet
odb::destroySet $shapeSet1
odb::destroySet $shapeSet0
odb::destroySet $core_rect

foreach shape $shapes {
odb::destroySet $shape
}
}