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magic
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One correction to the last commit---The additional check is not 

limited to the DRC_REVERSE case but must be done in both the
forward and reverse cases.
This commit is contained in:
R. Timothy Edwards 2025-10-30 12:37:00 -04:00
parent 51b9846120
commit cccd79ab0d
1 changed files with 16 additions and 22 deletions
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38
drc/DRCbasic.c
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@ -617,23 +617,20 @@ drcTile (tile, arg)
/* Split side changes in the reverse case */
dinfo |= TT_SIDE;
}
/* The area to check is bounded between the diagonals of
* tile and errRect (which is the tile area, offset).
* Pass errRect and dinfo to areaNMCheck using the
* ClientData structure arg->dCD_rlist and arg->dCD_entries,
* which are not used by areaNMCheck.
*/
arg->dCD_rlist = (Rect *)mallocMagic(sizeof(Rect));
*(arg->dCD_rlist) = errRect;
arg->dCD_entries = dinfo;
if (dinfo & TT_SIDE)
arg->dCD_entries &= ~TT_SIDE;
else
{
/* The area to check is bounded between the diagonals of
* tile and errRect (which is the tile area, offset).
* Pass errRect and dinfo to areaNMCheck using the
* ClientData structure arg->dCD_rlist and arg->dCD_entries,
* which are not used by areaNMCheck. This is only needed
* for the DRC_REVERSE case.
*/
arg->dCD_rlist = (Rect *)mallocMagic(sizeof(Rect));
*(arg->dCD_rlist) = errRect;
arg->dCD_entries = dinfo;
if (dinfo & TT_SIDE)
arg->dCD_entries &= ~TT_SIDE;
else
arg->dCD_entries |= TT_SIDE;
}
arg->dCD_entries |= TT_SIDE;
/* errRect is the tile area offset by (deltax, deltay) */
errRect.r_xbot += deltax;
@ -645,12 +642,9 @@ drcTile (tile, arg)
arg->dCD_celldef->cd_planes[cptr->drcc_plane], dinfo,
&errRect, &tmpMask, areaNMCheck, (ClientData) arg);
if (cptr->drcc_flags & DRC_REVERSE)
{
arg->dCD_entries = 0;
freeMagic(arg->dCD_rlist);
arg->dCD_rlist = (Rect *)NULL;
}
arg->dCD_entries = 0;
freeMagic(arg->dCD_rlist);
arg->dCD_rlist = (Rect *)NULL;
}
DRCstatEdges++;
}