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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/programs/Xserver/iplan2p4/iplfillsp.c
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
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+/* $XFree86$ */
+/************************************************************
+Copyright 1987 by Sun Microsystems, Inc. Mountain View, CA.
+
+ 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 no-
+tice appear in all copies and that both that copyright no-
+tice and this permission notice appear in supporting docu-
+mentation, and that the names of Sun or X Consortium
+not be used in advertising or publicity pertaining to
+distribution of the software without specific prior
+written permission. Sun and X Consortium make no
+representations about the suitability of this software for
+any purpose. It is provided "as is" without any express or
+implied warranty.
+
+SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT-
+NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE LI-
+ABLE 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.
+
+********************************************************/
+
+/***********************************************************
+
+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: iplfillsp.c,v 5.24 94/04/17 20:28:48 dpw Exp $ */
+
+/* Modified nov 94 by Martin Schaller (Martin_Schaller@maus.r.de) for use with
+interleaved planes */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xmd.h>
+#include "servermd.h"
+#include "gcstruct.h"
+#include "window.h"
+#include "pixmapstr.h"
+#include "scrnintstr.h"
+#include "windowstr.h"
+
+#include "ipl.h"
+
+#include "mergerop.h"
+
+#define MFB_CONSTS_ONLY
+#include "maskbits.h"
+
+#include "mi.h"
+#include "mispans.h"
+
+#include "iplmskbits.h"
+
+/* scanline filling for color frame buffer
+ written by drewry, oct 1986 modified by smarks
+ changes for compatibility with Little-endian systems Jul 1987; MIT:yba.
+
+ these routines all clip. they assume that anything that has called
+them has already translated the points (i.e. pGC->miTranslate is
+non-zero, which is howit gets set in iplCreateGC().)
+
+ the number of new scnalines created by clipping ==
+MaxRectsPerBand * nSpans.
+
+ FillSolid is overloaded to be used for OpaqueStipple as well,
+if fgPixel == bgPixel.
+Note that for solids, PrivGC.rop == PrivGC.ropOpStip
+
+
+ FillTiled is overloaded to be used for OpaqueStipple, if
+fgPixel != bgPixel. based on the fill style, it uses
+{RotatedTile, gc.alu} or {RotatedStipple, PrivGC.ropOpStip}
+*/
+
+#ifdef notdef
+#include <stdio.h>
+static
+dumpspans(n, ppt, pwidth)
+ int n;
+ DDXPointPtr ppt;
+ int *pwidth;
+{
+ fprintf(stderr,"%d spans\n", n);
+ while (n--) {
+ fprintf(stderr, "[%d,%d] %d\n", ppt->x, ppt->y, *pwidth);
+ ppt++;
+ pwidth++;
+ }
+ fprintf(stderr, "\n");
+}
+#endif
+
+/* Fill spans with tiles that aren't 32 bits wide */
+void
+iplUnnaturalTileFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
+DrawablePtr pDrawable;
+GC *pGC;
+int nInit; /* number of spans to fill */
+DDXPointPtr pptInit; /* pointer to list of start points */
+int *pwidthInit; /* pointer to list of n widths */
+int fSorted;
+{
+ int n; /* number of spans to fill */
+ register DDXPointPtr ppt; /* pointer to list of start points */
+ register int *pwidth; /* pointer to list of n widths */
+ void (*fill)();
+ int xrot, yrot;
+
+ if (!(pGC->planemask))
+ return;
+
+ if (pGC->tile.pixmap->drawable.width & INTER_PIM)
+ {
+ fill = iplFillSpanTileOddGeneral;
+ if ((pGC->planemask & INTER_PMSK) == INTER_PMSK)
+ {
+ if (pGC->alu == GXcopy)
+ fill = iplFillSpanTileOddCopy;
+ }
+ }
+ else
+ {
+ fill = iplFillSpanTile32sGeneral;
+ if ((pGC->planemask & INTER_PMSK) == INTER_PMSK)
+ {
+ if (pGC->alu == GXcopy)
+ fill = iplFillSpanTile32sCopy;
+ }
+ }
+ n = nInit * miFindMaxBand( iplGetCompositeClip(pGC) );
+ if ( n == 0 )
+ return;
+ pwidth = (int *)ALLOCATE_LOCAL(n * sizeof(int));
+ ppt = (DDXPointRec *)ALLOCATE_LOCAL(n * sizeof(DDXPointRec));
+ if(!ppt || !pwidth)
+ {
+ if (ppt) DEALLOCATE_LOCAL(ppt);
+ if (pwidth) DEALLOCATE_LOCAL(pwidth);
+ return;
+ }
+ n = miClipSpans( iplGetCompositeClip(pGC),
+ pptInit, pwidthInit, nInit,
+ ppt, pwidth, fSorted);
+
+ xrot = pDrawable->x + pGC->patOrg.x;
+ yrot = pDrawable->y + pGC->patOrg.y;
+
+ (*fill) (pDrawable, n, ppt, pwidth, pGC->tile.pixmap, xrot, yrot, pGC->alu, pGC->planemask);
+
+ DEALLOCATE_LOCAL(ppt);
+ DEALLOCATE_LOCAL(pwidth);
+}
+
+/* Fill spans with stipples that aren't 32 bits wide */
+void
+iplUnnaturalStippleFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
+DrawablePtr pDrawable;
+GC *pGC;
+int nInit; /* number of spans to fill */
+DDXPointPtr pptInit; /* pointer to list of start points */
+int *pwidthInit; /* pointer to list of n widths */
+int fSorted;
+{
+ /* next three parameters are post-clip */
+ int n; /* number of spans to fill */
+ register DDXPointPtr ppt; /* pointer to list of start points */
+ register int *pwidth; /* pointer to list of n widths */
+ int iline; /* first line of tile to use */
+ INTER_DECLAREG(*addrgBase); /* pointer to start of bitmap */
+ int ngwidth; /* width in groups of bitmap */
+ INTER_DECLAREG(*pdst); /* pointer to current group in bitmap */
+ PixmapPtr pStipple; /* pointer to stipple we want to fill with */
+ register int w;
+ int width, x, xrem, xSrc, ySrc;
+ INTER_DECLAREGP(tmpSrc);
+ INTER_DECLAREGP(tmpDst1);
+ INTER_DECLAREGP(tmpDst2);
+ int stwidth, stippleWidth;
+ unsigned long *psrcS;
+ int rop, stiprop;
+ int stippleHeight;
+ int *pwidthFree; /* copies of the pointers to free */
+ DDXPointPtr pptFree;
+ INTER_DECLARERRAXP(bgfill);
+ INTER_DECLARERRAXP(fgfill);
+
+ if (!(pGC->planemask))
+ return;
+
+ n = nInit * miFindMaxBand( iplGetCompositeClip(pGC) );
+ if ( n == 0 )
+ return;
+ pwidthFree = (int *)ALLOCATE_LOCAL(n * sizeof(int));
+ pptFree = (DDXPointRec *)ALLOCATE_LOCAL(n * sizeof(DDXPointRec));
+ if(!pptFree || !pwidthFree)
+ {
+ if (pptFree) DEALLOCATE_LOCAL(pptFree);
+ if (pwidthFree) DEALLOCATE_LOCAL(pwidthFree);
+ return;
+ }
+ pwidth = pwidthFree;
+ ppt = pptFree;
+ n = miClipSpans( iplGetCompositeClip(pGC),
+ pptInit, pwidthInit, nInit,
+ ppt, pwidth, fSorted);
+ rop = pGC->alu;
+ if (pGC->fillStyle == FillStippled) {
+ switch (rop) {
+ case GXand:
+ case GXcopy:
+ case GXnoop:
+ case GXor:
+ stiprop = rop;
+ break;
+ default:
+ stiprop = rop;
+ rop = GXcopy;
+ }
+ }
+ INTER_PFILL(pGC->fgPixel, fgfill);
+ INTER_PFILL(pGC->bgPixel, bgfill);
+
+ /*
+ * OK, so what's going on here? We have two Drawables:
+ *
+ * The Stipple:
+ * Depth = 1
+ * Width = stippleWidth
+ * Words per scanline = stwidth
+ * Pointer to pixels = pStipple->devPrivate.ptr
+ */
+ pStipple = pGC->stipple;
+
+ stwidth = pStipple->devKind / MFB_PGSZB;
+ stippleWidth = pStipple->drawable.width;
+ stippleHeight = pStipple->drawable.height;
+
+ /*
+ * The Target:
+ * Depth = INTER_PLANES
+ * Width = determined from *pwidth
+ * Groups per scanline = ngwidth
+ * Pointer to pixels = addrgBase
+ */
+
+ iplGetGroupWidthAndPointer (pDrawable, ngwidth, addrgBase)
+
+ /* this replaces rotating the stipple. Instead we just adjust the offset
+ * at which we start grabbing bits from the stipple.
+ * Ensure that ppt->x - xSrc >= 0 and ppt->y - ySrc >= 0,
+ * so that iline and xrem always stay within the stipple bounds.
+ */
+ modulus (pGC->patOrg.x, stippleWidth, xSrc);
+ xSrc += pDrawable->x - stippleWidth;
+ modulus (pGC->patOrg.y, stippleHeight, ySrc);
+ ySrc += pDrawable->y - stippleHeight;
+
+ while (n--)
+ {
+ iline = (ppt->y - ySrc) % stippleHeight;
+ x = ppt->x;
+ pdst = addrgBase + (ppt->y * ngwidth);
+ psrcS = (unsigned long *) pStipple->devPrivate.ptr + (iline * stwidth);
+
+ if (*pwidth)
+ {
+ width = *pwidth;
+ while(width > 0)
+ {
+ int xtemp, tmpx;
+ register unsigned long *ptemp;
+ INTER_DECLAREG(*pdsttmp);
+ /*
+ * Do a stripe through the stipple & destination w pixels
+ * wide. w is not more than:
+ * - the width of the destination
+ * - the width of the stipple
+ * - the distance between x and the next word
+ * boundary in the destination
+ * - the distance between x and the next word
+ * boundary in the stipple
+ */
+
+ /* width of dest/stipple */
+ xrem = (x - xSrc) % stippleWidth;
+ w = min((stippleWidth - xrem), width);
+ /* dist to word bound in dest */
+ w = min(w, INTER_PPG - (x & INTER_PIM));
+ /* dist to word bound in stip */
+ w = min(w, MFB_PPW - (x & MFB_PIM));
+
+ xtemp = (xrem & MFB_PIM);
+ ptemp = (unsigned long *)(psrcS + (xrem >> MFB_PWSH));
+ tmpx = x & INTER_PIM;
+ pdsttmp = pdst + (x >> INTER_PGSH) * INTER_PLANES;
+ switch ( pGC->fillStyle ) {
+ case FillOpaqueStippled:
+ INTER_getstipplepixelsb(ptemp,xtemp,w,bgfill,fgfill,
+ tmpDst1);
+ INTER_putbitsrop(tmpDst1, tmpx, w, pdsttmp,
+ pGC->planemask, rop);
+ break;
+ case FillStippled:
+ /* Fill tmpSrc with the source pixels */
+ INTER_getbits(pdsttmp, tmpx, w, tmpSrc);
+ INTER_getstipplepixels(ptemp, xtemp, w, 0, tmpSrc,
+ tmpDst1);
+ if (rop != stiprop) {
+ INTER_putbitsrop(fgfill, 0, w, tmpSrc, pGC->planemask, stiprop);
+ } else {
+ INTER_COPY(fgfill, tmpSrc);
+ }
+ INTER_getstipplepixels(ptemp, xtemp, w, 1, tmpSrc, tmpDst2);
+ INTER_OR(tmpDst1,tmpDst2,tmpDst2);
+ INTER_putbitsrop(tmpDst2, tmpx, w, pdsttmp,
+ pGC->planemask, rop);
+ }
+ x += w;
+ width -= w;
+ }
+ }
+ ppt++;
+ pwidth++;
+ }
+
+ DEALLOCATE_LOCAL(pptFree);
+ DEALLOCATE_LOCAL(pwidthFree);
+}
+