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diff --git a/afb/afbpntarea.c b/afb/afbpntarea.c
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+/* $XFree86: xc/programs/Xserver/afb/afbpntarea.c,v 3.1 2001/10/28 03:32:58 tsi Exp $ */
+/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */
+/***********************************************************
+
+Copyright (c) 1987 X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the X Consortium shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from the X Consortium.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+/* $XConsortium: afbpntarea.c,v 5.7 94/04/17 20:28:29 dpw Exp $ */
+
+#include "X.h"
+
+#include "windowstr.h"
+#include "regionstr.h"
+#include "pixmapstr.h"
+#include "scrnintstr.h"
+
+#include "afb.h"
+#include "maskbits.h"
+
+/*
+ the solid fillers are called for rectangles and window backgrounds.
+ the boxes are already translated.
+ maybe this should always take a pixmap instead of a drawable?
+
+ NOTE:
+ iy = ++iy < tileHeight ? iy : 0
+is equivalent to iy%= tileheight, and saves a division.
+*/
+
+/*ARGSUSED*/
+void
+afbSolidFillArea (pDraw, nbox, pbox, rrops)
+ DrawablePtr pDraw;
+ int nbox;
+ BoxPtr pbox;
+ register unsigned char *rrops;
+{
+ int nlwidth; /* width in longwords of the drawable */
+ int w; /* width of current box */
+ register int h; /* height of current box */
+ register PixelType *p; /* pointer to bits we're writing */
+ register int nlw; /* loop version of nlwMiddle */
+ register PixelType startmask;
+ register PixelType endmask;
+ /* masks for reggedy bits at either end of line */
+ register int nlwExtra;
+ /* to get from right of box to left of next span */
+ int nlwMiddle; /* number of longwords between sides of boxes */
+ PixelType *pbits; /* pointer to start of drawable */
+ PixelType *saveP;
+ int saveH;
+ int depthDst;
+ int sizeDst;
+ register int d;
+
+ afbGetPixelWidthSizeDepthAndPointer(pDraw, nlwidth, sizeDst, depthDst,
+ pbits);
+
+ while (nbox--) {
+ w = pbox->x2 - pbox->x1;
+ saveH = pbox->y2 - pbox->y1;
+
+ saveP = afbScanline(pbits, pbox->x1, pbox->y1, nlwidth);
+
+ if ( ((pbox->x1 & PIM) + w) < PPW) {
+ for (d = 0; d < depthDst; d++) {
+ h = saveH;
+ p = saveP;
+ saveP += sizeDst; /* @@@ NEXT PLANE @@@ */
+ maskpartialbits(pbox->x1, w, startmask);
+ nlwExtra = nlwidth;
+
+ switch (rrops[d]) {
+ case RROP_BLACK:
+ Duff(h, *p &= ~startmask; afbScanlineInc(p, nlwExtra));
+ break;
+ case RROP_WHITE:
+ Duff(h, *p |= startmask; afbScanlineInc(p, nlwExtra));
+ break;
+ case RROP_INVERT:
+ Duff(h, *p ^= startmask; afbScanlineInc(p, nlwExtra));
+ break;
+ case RROP_NOP:
+ break;
+ } /* switch */
+ } /* for (d = ..) */
+ } else {
+ maskbits(pbox->x1, w, startmask, endmask, nlwMiddle);
+
+ for (d = 0; d < depthDst; d++) {
+ h = saveH;
+ p = saveP;
+ saveP += sizeDst; /* @@@ NEXT PLANE @@@ */
+ nlwExtra = nlwidth - nlwMiddle;
+
+ if (startmask && endmask) {
+ nlwExtra -= 1;
+ switch (rrops[d]) {
+ case RROP_BLACK:
+ while (h--) {
+ nlw = nlwMiddle;
+ *p &= ~startmask;
+ p++;
+ Duff(nlw, *p++ = 0);
+ *p &= ~endmask;
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_WHITE:
+ while (h--) {
+ nlw = nlwMiddle;
+ *p |= startmask;
+ p++;
+ Duff(nlw, *p++ = ~0);
+ *p |= endmask;
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_INVERT:
+ while (h--) {
+ nlw = nlwMiddle;
+ *p ^= startmask;
+ p++;
+ Duff(nlw, *p++ ^= ~0);
+ *p ^= endmask;
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_NOP:
+ break;
+ }
+ } else if (startmask && !endmask) {
+ nlwExtra -= 1;
+ switch (rrops[d]) {
+ case RROP_BLACK:
+ while (h--) {
+ nlw = nlwMiddle;
+ *p &= ~startmask;
+ p++;
+ Duff(nlw, *p++ = 0);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_WHITE:
+ while (h--) {
+ nlw = nlwMiddle;
+ *p |= startmask;
+ p++;
+ Duff(nlw, *p++ = ~0);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_INVERT:
+ while (h--) {
+ nlw = nlwMiddle;
+ *p ^= startmask;
+ p++;
+ Duff(nlw, *p++ ^= ~0);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_NOP:
+ break;
+ }
+ } else if (!startmask && endmask) {
+ switch (rrops[d]) {
+ case RROP_BLACK:
+ while (h--) {
+ nlw = nlwMiddle;
+ Duff(nlw, *p++ = 0);
+ *p &= ~endmask;
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_WHITE:
+ while (h--) {
+ nlw = nlwMiddle;
+ Duff(nlw, *p++ = ~0);
+ *p |= endmask;
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_INVERT:
+ while (h--) {
+ nlw = nlwMiddle;
+ Duff(nlw, *p++ ^= ~0);
+ *p ^= endmask;
+ afbScanlineInc(p, nlwExtra);
+ }
+ case RROP_NOP:
+ break;
+ }
+ } else { /* no ragged bits at either end */
+ switch (rrops[d]) {
+ case RROP_BLACK:
+ while (h--) {
+ nlw = nlwMiddle;
+ Duff(nlw, *p++ = 0);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_WHITE:
+ while (h--) {
+ nlw = nlwMiddle;
+ Duff(nlw, *p++ = ~0);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_INVERT:
+ while (h--) {
+ nlw = nlwMiddle;
+ Duff(nlw, *p++ ^= ~0);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_NOP:
+ break;
+ } /* switch */
+ }
+ } /* for (d = 0 ... ) */
+ }
+ pbox++;
+ }
+}
+
+/* stipple a list of boxes -
+
+you can use the reduced rasterop for stipples. if rrop is
+black, AND the destination with (not stipple pattern). if rrop is
+white OR the destination with the stipple pattern. if rrop is invert,
+XOR the destination with the stipple pattern.
+*/
+
+/*ARGSUSED*/
+void
+afbStippleAreaPPW (pDraw, nbox, pbox, pstipple, rrops)
+ DrawablePtr pDraw;
+ int nbox;
+ BoxPtr pbox;
+ PixmapPtr pstipple;
+ unsigned char *rrops;
+{
+ register PixelType *psrc;
+ /* pointer to bits in tile, if needed */
+ int tileHeight; /* height of the tile */
+ register PixelType srcpix;
+
+ int nlwidth; /* width in longwords of the drawable */
+ int w; /* width of current box */
+ register int nlw; /* loop version of nlwMiddle */
+ register PixelType *p; /* pointer to bits we're writing */
+ register int h; /* height of current box */
+ PixelType startmask;
+ PixelType endmask; /* masks for reggedy bits at either end of line */
+ int nlwMiddle; /* number of longwords between sides of boxes */
+ int nlwExtra; /* to get from right of box to left of next span */
+ int sizeDst;
+ int depthDst;
+ int d;
+ int saveIy;
+ register int iy; /* index of current scanline in tile */
+ PixelType *pbits; /* pointer to start of drawable */
+ PixelType *pBase;
+
+ afbGetPixelWidthSizeDepthAndPointer(pDraw, nlwidth, sizeDst, depthDst,
+ pBase);
+
+ tileHeight = pstipple->drawable.height;
+ psrc = (PixelType *)(pstipple->devPrivate.ptr);
+
+ while (nbox--) {
+ w = pbox->x2 - pbox->x1;
+ saveIy = pbox->y1 % tileHeight;
+ pbits = pBase;
+
+ if ( ((pbox->x1 & PIM) + w) < PPW) {
+ maskpartialbits(pbox->x1, w, startmask);
+ nlwExtra = nlwidth;
+ for (d = 0; d < depthDst; d++) {
+ p = afbScanline(pbits, pbox->x1, pbox->y1, nlwidth);
+ pbits += sizeDst; /* @@@ NEXT PLANE @@@ */
+ iy = saveIy;
+ h = pbox->y2 - pbox->y1;
+
+ switch (rrops[d]) {
+ case RROP_BLACK:
+ while (h--) {
+ srcpix = psrc[iy];
+ iy = ++iy < tileHeight ? iy : 0;
+ *p &= ~(srcpix & startmask);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_WHITE:
+ while (h--) {
+ srcpix = psrc[iy];
+ iy = ++iy < tileHeight ? iy : 0;
+ *p |= (srcpix & startmask);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_INVERT:
+ while (h--) {
+ srcpix = psrc[iy];
+ iy = ++iy < tileHeight ? iy : 0;
+ *p ^= (srcpix & startmask);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_NOP:
+ break;
+ } /* switch */
+ } /* for (d = ...) */
+
+ } else {
+ maskbits(pbox->x1, w, startmask, endmask, nlwMiddle);
+
+ for (d = 0; d < depthDst; d++) {
+ nlwExtra = nlwidth - nlwMiddle;
+ p = afbScanline(pbits, pbox->x1, pbox->y1, nlwidth);
+ pbits += sizeDst; /* @@@ NEXT PLANE @@@ */
+ iy = saveIy;
+ h = pbox->y2 - pbox->y1;
+
+ if (startmask && endmask) {
+ nlwExtra -= 1;
+ switch (rrops[d]) {
+ case RROP_BLACK:
+ while (h--) {
+ srcpix = psrc[iy];
+ iy = ++iy < tileHeight ? iy : 0;
+ nlw = nlwMiddle;
+ *p &= ~(srcpix & startmask);
+ p++;
+ Duff (nlw, *p++ &= ~srcpix);
+ *p &= ~(srcpix & endmask);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_WHITE:
+ while (h--) {
+ srcpix = psrc[iy];
+ iy = ++iy < tileHeight ? iy : 0;
+ nlw = nlwMiddle;
+ *p |= (srcpix & startmask);
+ p++;
+ Duff (nlw, *p++ |= srcpix);
+ *p |= (srcpix & endmask);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_INVERT:
+ while (h--) {
+ srcpix = psrc[iy];
+ iy = ++iy < tileHeight ? iy : 0;
+ nlw = nlwMiddle;
+ *p ^= (srcpix & startmask);
+ p++;
+ Duff (nlw, *p++ ^= srcpix);
+ *p ^= (srcpix & endmask);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_NOP:
+ break;
+ } /* switch */
+ } else if (startmask && !endmask) {
+ nlwExtra -= 1;
+ switch (rrops[d]) {
+ case RROP_BLACK:
+ while (h--) {
+ srcpix = psrc[iy];
+ iy = ++iy < tileHeight ? iy : 0;
+ nlw = nlwMiddle;
+ *p &= ~(srcpix & startmask);
+ p++;
+ Duff(nlw, *p++ &= ~srcpix);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_WHITE:
+ while (h--) {
+ srcpix = psrc[iy];
+ iy = ++iy < tileHeight ? iy : 0;
+ nlw = nlwMiddle;
+ *p |= (srcpix & startmask);
+ p++;
+ Duff(nlw, *p++ |= srcpix);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_INVERT:
+ while (h--) {
+ srcpix = psrc[iy];
+ iy = ++iy < tileHeight ? iy : 0;
+ nlw = nlwMiddle;
+ *p ^= (srcpix & startmask);
+ p++;
+ Duff(nlw, *p++ ^= srcpix);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_NOP:
+ break;
+ } /* switch */
+ } else if (!startmask && endmask) {
+ switch (rrops[d]) {
+ case RROP_BLACK:
+ while (h--) {
+ srcpix = psrc[iy];
+ iy = ++iy < tileHeight ? iy : 0;
+ nlw = nlwMiddle;
+ Duff(nlw, *p++ &= ~srcpix);
+ *p &= ~(srcpix & endmask);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_WHITE:
+ while (h--) {
+ srcpix = psrc[iy];
+ iy = ++iy < tileHeight ? iy : 0;
+ nlw = nlwMiddle;
+ Duff(nlw, *p++ |= srcpix);
+ *p |= (srcpix & endmask);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_INVERT:
+ while (h--) {
+ srcpix = psrc[iy];
+ iy = ++iy < tileHeight ? iy : 0;
+ nlw = nlwMiddle;
+ Duff(nlw, *p++ ^= srcpix);
+ *p ^= (srcpix & endmask);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_NOP:
+ break;
+ } /* switch */
+ } else { /* no ragged bits at either end */
+ switch (rrops[d]) {
+ case RROP_BLACK:
+ while (h--) {
+ srcpix = psrc[iy];
+ iy = ++iy < tileHeight ? iy : 0;
+ nlw = nlwMiddle;
+ Duff(nlw, *p++ &= ~srcpix);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_WHITE:
+ while (h--) {
+ srcpix = psrc[iy];
+ iy = ++iy < tileHeight ? iy : 0;
+ nlw = nlwMiddle;
+ Duff(nlw, *p++ |= srcpix);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ case RROP_INVERT:
+ while (h--) {
+ srcpix = psrc[iy];
+ iy = ++iy < tileHeight ? iy : 0;
+ nlw = nlwMiddle;
+ Duff(nlw, *p++ ^= srcpix);
+ afbScanlineInc(p, nlwExtra);
+ }
+ break;
+ } /* switch */
+ }
+ } /* for (d = ...) */
+ }
+ pbox++;
+ }
+}
+
+void
+afbStippleArea (pDraw, nbox, pbox, pTile, xOff, yOff, rrops)
+ DrawablePtr pDraw;
+ int nbox;
+ BoxPtr pbox;
+ PixmapPtr pTile;
+ int xOff;
+ int yOff;
+ unsigned char *rrops;
+{
+ register PixelType *psrc; /* pointer to bits in tile, if needed */
+ int nlwidth; /* width in longwords of the drawable */
+ register int h; /* height of current box */
+ register PixelType *pdst; /* pointer to bits we're writing */
+ int sizeDst;
+ int depthDst;
+ int tileLine;
+ int iline;
+ int w, width, x, xSrc, ySrc, srcStartOver, nend;
+ int tlwidth, rem, tileWidth, tileHeight, endinc;
+ int saveW;
+ register int rop;
+ PixelType *psrcT;
+ int d;
+ int nstart;
+ PixelType startmask;
+ PixelType endmask; /* masks for reggedy bits at either end of line */
+ int nlMiddle; /* number of longwords between sides of boxes */
+ int iy;
+ PixelType *pBase; /* pointer to start of drawable */
+ PixelType *saveP;
+ PixelType *pStartDst;
+ PixelType *pStartTile;
+ int saveH;
+
+ afbGetPixelWidthSizeDepthAndPointer(pDraw, nlwidth, sizeDst, depthDst,
+ pBase);
+
+ tileHeight = pTile->drawable.height;
+ tileWidth = pTile->drawable.width;
+ tlwidth = pTile->devKind / sizeof (PixelType);
+
+ xSrc = pDraw->x + ((xOff % tileWidth) - tileWidth);
+ ySrc = pDraw->y + ((yOff % tileHeight) - tileHeight);
+
+ while (nbox--) {
+ saveW = pbox->x2 - pbox->x1;
+ iline = (pbox->y1 - ySrc) % tileHeight;
+ psrcT = (PixelType *) pTile->devPrivate.ptr;
+ tileLine = iline * tlwidth;
+ saveH = pbox->y2 - pbox->y1;
+ saveP = afbScanline(pBase, pbox->x1, pbox->y1, nlwidth);
+
+ for (d = 0; d < depthDst; d++, saveP += sizeDst) { /* @@@ NEXT PLANE @@@ */
+ h = saveH;
+ pStartDst = saveP;
+ pStartTile = psrcT + tileLine;
+ iy = iline;
+
+ while (h--) {
+ x = pbox->x1;
+ width = saveW;
+ pdst = pStartDst;
+ rop = rrops[d];
+
+ while(width > 0) {
+ psrc = pStartTile;
+ w = min(tileWidth, width);
+ if((rem = (x - xSrc) % tileWidth) != 0) {
+ /* if we're in the middle of the tile, get
+ as many bits as will finish the span, or
+ as many as will get to the left edge of the tile,
+ or a longword worth, starting at the appropriate
+ offset in the tile.
+ */
+ w = min(min(tileWidth - rem, width), BITMAP_SCANLINE_PAD);
+ endinc = rem / BITMAP_SCANLINE_PAD;
+ getandputrrop((psrc + endinc), (rem & PIM), (x & PIM),
+ w, pdst, rop)
+ if((x & PIM) + w >= PPW)
+ pdst++;
+ } else if(((x & PIM) + w) < PPW) {
+ /* doing < PPW bits is easy, and worth special-casing */
+ putbitsrrop(*psrc, x & PIM, w, pdst, rop);
+ } else {
+ /* start at the left edge of the tile,
+ and put down as much as we can
+ */
+ maskbits(x, w, startmask, endmask, nlMiddle);
+
+ if (startmask)
+ nstart = PPW - (x & PIM);
+ else
+ nstart = 0;
+ if (endmask)
+ nend = (x + w) & PIM;
+ else
+ nend = 0;
+
+ srcStartOver = nstart > PLST;
+
+ if(startmask) {
+ putbitsrrop(*psrc, (x & PIM), nstart, pdst, rop);
+ pdst++;
+ if(srcStartOver)
+ psrc++;
+ }
+
+ while(nlMiddle--) {
+ getandputrrop0(psrc, nstart, PPW, pdst, rop);
+ pdst++;
+ psrc++;
+ }
+
+ if(endmask) {
+ getandputrrop0(psrc, nstart, nend, pdst, rop);
+ }
+ }
+ x += w;
+ width -= w;
+ } /* while (width > 0) */
+
+ pStartDst += nlwidth;
+ if (++iy >= tileHeight) {
+ iy = 0;
+ pStartTile = psrcT;
+ } else
+ pStartTile += tlwidth;
+
+ } /* while (h) */
+ } /* for (d = ... ) */
+ pbox++;
+ } /* for each box */
+}
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