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-rw-r--r--xorg-server/cfb/cfbfillsp.c1004
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diff --git a/xorg-server/cfb/cfbfillsp.c b/xorg-server/cfb/cfbfillsp.c
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--- a/xorg-server/cfb/cfbfillsp.c
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@@ -1,1004 +0,0 @@
-/************************************************************
-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 The Open Group
-not be used in advertising or publicity pertaining to
-distribution of the software without specific prior
-written permission. Sun and The Open Group 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 1987, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-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
-OPEN GROUP 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 Open Group 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 Open Group.
-
-
-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.
-
-******************************************************************/
-
-
-#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 "cfb.h"
-#include "cfbmskbits.h"
-
-#include "mergerop.h"
-
-#if PSZ == 8
-#include "cfb8bit.h"
-#endif
-
-#define MFB_CONSTS_ONLY
-#include "maskbits.h"
-
-#include "mi.h"
-#include "mispans.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 cfbCreateGC().)
-
- 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
-cfbUnnaturalTileFS(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)(DrawablePtr, int, DDXPointPtr, int *, PixmapPtr, int, int, int, unsigned long);
- int xrot, yrot;
-
- if (!(pGC->planemask))
- return;
-
-#if PSZ == 24
- if (pGC->tile.pixmap->drawable.width & 3)
-#else
- if (pGC->tile.pixmap->drawable.width & PIM)
-#endif
- {
- fill = cfbFillSpanTileOddGeneral;
- if ((pGC->planemask & PMSK) == PMSK)
- {
- if (pGC->alu == GXcopy)
- fill = cfbFillSpanTileOddCopy;
- }
- }
- else
- {
- fill = cfbFillSpanTile32sGeneral;
- if ((pGC->planemask & PMSK) == PMSK)
- {
- if (pGC->alu == GXcopy)
- fill = cfbFillSpanTile32sCopy;
- }
- }
- n = nInit * miFindMaxBand( cfbGetCompositeClip(pGC) );
- if ( n == 0 )
- return;
- pwidth = (int *)xalloc(n * sizeof(int));
- ppt = (DDXPointRec *)xalloc(n * sizeof(DDXPointRec));
- if(!ppt || !pwidth)
- {
- if (ppt) xfree(ppt);
- if (pwidth) xfree(pwidth);
- return;
- }
- n = miClipSpans( cfbGetCompositeClip(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);
-
- xfree(ppt);
- xfree(pwidth);
-}
-
-#if PSZ == 8
-
-void
-cfbUnnaturalStippleFS(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 */
- DDXPointPtr ppt; /* pointer to list of start points */
- int *pwidth; /* pointer to list of n widths */
- int *pwidthFree;/* copies of the pointers to free */
- DDXPointPtr pptFree;
- CfbBits *pdstBase; /* pointer to start of bitmap */
- int nlwDst; /* width in longwords of bitmap */
- register CfbBits *pdst; /* pointer to current word in bitmap */
- PixmapPtr pStipple; /* pointer to stipple we want to fill with */
- int nlw;
- int x, y, w, xrem, xSrc, ySrc;
- int stwidth, stippleWidth;
- int stippleHeight;
- register CfbBits bits, inputBits;
- register int partBitsLeft;
- int nextPartBits;
- int bitsLeft, bitsWhole;
- CfbBits *srcTemp, *srcStart;
- CfbBits *psrcBase;
- CfbBits startmask, endmask;
-
- if (pGC->fillStyle == FillStippled)
- cfb8CheckStipple (pGC->alu, pGC->fgPixel, pGC->planemask);
- else
- cfb8CheckOpaqueStipple (pGC->alu, pGC->fgPixel, pGC->bgPixel, pGC->planemask);
-
- if (cfb8StippleRRop == GXnoop)
- return;
-
- n = nInit * miFindMaxBand( cfbGetCompositeClip(pGC) );
- if ( n == 0 )
- return;
- pwidthFree = (int *)xalloc(n * sizeof(int));
- pptFree = (DDXPointRec *)xalloc(n * sizeof(DDXPointRec));
- if(!pptFree || !pwidthFree)
- {
- if (pptFree) xfree(pptFree);
- if (pwidthFree) xfree(pwidthFree);
- return;
- }
-
- pwidth = pwidthFree;
- ppt = pptFree;
- n = miClipSpans( cfbGetCompositeClip(pGC),
- pptInit, pwidthInit, nInit,
- ppt, pwidth, fSorted);
-
- /*
- * 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 >> PWSH;
- stippleWidth = pStipple->drawable.width;
- stippleHeight = pStipple->drawable.height;
- psrcBase = (CfbBits *) pStipple->devPrivate.ptr;
-
- /*
- * The Target:
- * Depth = PSZ
- * Width = determined from *pwidth
- * Words per scanline = nlwDst
- * Pointer to pixels = addrlBase
- */
-
- cfbGetLongWidthAndPointer (pDrawable, nlwDst, pdstBase)
-
- /* 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;
-
- bitsWhole = stippleWidth;
-
- while (n--)
- {
- x = ppt->x;
- y = ppt->y;
- ppt++;
- w = *pwidth++;
- pdst = pdstBase + y * nlwDst + (x >> PWSH);
- y = (y - ySrc) % stippleHeight;
- srcStart = psrcBase + y * stwidth;
- xrem = ((x & ~(PGSZB-1)) - xSrc) % stippleWidth;
- srcTemp = srcStart + (xrem >> MFB_PWSH);
- bitsLeft = stippleWidth - (xrem & ~MFB_PIM);
- xrem &= MFB_PIM;
- NextUnnaturalStippleWord
- if (partBitsLeft < xrem)
- FatalError ("cfbUnnaturalStippleFS bad partBitsLeft %d xrem %d",
- partBitsLeft, xrem);
- NextSomeBits (inputBits, xrem);
- partBitsLeft -= xrem;
- if (((x & PIM) + w) <= PPW)
- {
- maskpartialbits (x, w, startmask)
- NextUnnaturalStippleBits
- *pdst = MaskRRopPixels(*pdst,bits,startmask);
- }
- else
- {
- maskbits (x, w, startmask, endmask, nlw);
- nextPartBits = (x & (PGSZB-1)) + w;
- if (nextPartBits < partBitsLeft)
- {
- if (startmask)
- {
- MaskRRopBitGroup(pdst,GetBitGroup(inputBits),startmask)
- pdst++;
- NextBitGroup (inputBits);
- }
- while (nlw--)
- {
- RRopBitGroup (pdst, GetBitGroup (inputBits));
- pdst++;
- NextBitGroup (inputBits);
- }
- if (endmask)
- {
- MaskRRopBitGroup(pdst,GetBitGroup(inputBits),endmask)
- }
- }
- else if (bitsLeft != bitsWhole && nextPartBits < partBitsLeft + bitsLeft)
- {
- NextUnnaturalStippleBitsFast
- if (startmask)
- {
- *pdst = MaskRRopPixels(*pdst,bits,startmask);
- pdst++;
- NextUnnaturalStippleBitsFast
- }
- while (nlw--)
- {
- *pdst = RRopPixels(*pdst,bits);
- pdst++;
- NextUnnaturalStippleBitsFast
- }
- if (endmask)
- *pdst = MaskRRopPixels (*pdst,bits,endmask);
- }
- else
- {
- NextUnnaturalStippleBits
- if (startmask)
- {
- *pdst = MaskRRopPixels(*pdst,bits,startmask);
- pdst++;
- NextUnnaturalStippleBits
- }
- while (nlw--)
- {
- *pdst = RRopPixels(*pdst,bits);
- pdst++;
- NextUnnaturalStippleBits
- }
- if (endmask)
- *pdst = MaskRRopPixels(*pdst,bits,endmask);
- }
- }
- }
- xfree(pptFree);
- xfree(pwidthFree);
-}
-
-#else /* PSZ != 8 */
-
-/* Fill spans with stipples that aren't 32 bits wide */
-void
-cfbUnnaturalStippleFS(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 */
- CfbBits *addrlBase; /* pointer to start of bitmap */
- int nlwidth; /* width in longwords of bitmap */
- register CfbBits *pdst; /* pointer to current word in bitmap */
- PixmapPtr pStipple; /* pointer to stipple we want to fill with */
- register int w;
- int width, x, xrem, xSrc, ySrc;
- CfbBits tmpSrc, tmpDst1, tmpDst2;
- int stwidth, stippleWidth;
- CfbBits *psrcS;
- int rop, stiprop = 0;
- int stippleHeight;
- int *pwidthFree; /* copies of the pointers to free */
- DDXPointPtr pptFree;
- CfbBits fgfill, bgfill;
-
- if (!(pGC->planemask))
- return;
-
- n = nInit * miFindMaxBand( cfbGetCompositeClip(pGC) );
- if ( n == 0 )
- return;
- pwidthFree = (int *)xalloc(n * sizeof(int));
- pptFree = (DDXPointRec *)xalloc(n * sizeof(DDXPointRec));
- if(!pptFree || !pwidthFree)
- {
- if (pptFree) xfree(pptFree);
- if (pwidthFree) xfree(pwidthFree);
- return;
- }
- pwidth = pwidthFree;
- ppt = pptFree;
- n = miClipSpans( cfbGetCompositeClip(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;
- }
- }
- fgfill = PFILL(pGC->fgPixel);
- bgfill = PFILL(pGC->bgPixel);
-
- /*
- * 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 / PGSZB;
- stippleWidth = pStipple->drawable.width;
- stippleHeight = pStipple->drawable.height;
-
- /*
- * The Target:
- * Depth = PSZ
- * Width = determined from *pwidth
- * Words per scanline = nlwidth
- * Pointer to pixels = addrlBase
- */
-
- cfbGetLongWidthAndPointer (pDrawable, nlwidth, addrlBase)
-
- /* 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 = addrlBase + (ppt->y * nlwidth);
- psrcS = (CfbBits *) pStipple->devPrivate.ptr + (iline * stwidth);
-
- if (*pwidth)
- {
- width = *pwidth;
- while(width > 0)
- {
- int xtemp;
-#if PSZ != 32 || PPW != 1
- int tmpx;
-#endif
- register CfbBits *ptemp;
- register CfbBits *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;
-#if PSZ == 24
- w = 1;
-#else
- w = min((stippleWidth - xrem), width);
- /* dist to word bound in dest */
- w = min(w, PPW - (x & PIM));
- /* dist to word bound in stip */
- w = min(w, MFB_PPW - (x & MFB_PIM));
-#endif
-
- xtemp = (xrem & MFB_PIM);
- ptemp = (CfbBits *)(psrcS + (xrem >> MFB_PWSH));
-#if PSZ == 24
- tmpx = x & 3;
- pdsttmp = pdst + ((x * 3)>>2);
-#else
-#if PSZ != 32 || PPW != 1
- tmpx = x & PIM;
-#endif
- pdsttmp = pdst + (x>>PWSH);
-#endif
- switch ( pGC->fillStyle ) {
- case FillOpaqueStippled:
-#if PSZ == 24
- getstipplepixels24(ptemp, xtemp, 0, &bgfill, &tmpDst1, xrem);
- getstipplepixels24(ptemp, xtemp, 1, &fgfill, &tmpDst2, xrem);
-#else
- getstipplepixels(ptemp, xtemp, w, 0, &bgfill, &tmpDst1);
- getstipplepixels(ptemp, xtemp, w, 1, &fgfill, &tmpDst2);
-#endif
- break;
- case FillStippled:
- /* Fill tmpSrc with the source pixels */
-#if PSZ == 24
- getbits24(pdsttmp, tmpSrc, x);
- getstipplepixels24(ptemp, xtemp, 0, &tmpSrc, &tmpDst1, xrem);
-#else
- getbits(pdsttmp, tmpx, w, tmpSrc);
- getstipplepixels(ptemp, xtemp, w, 0, &tmpSrc, &tmpDst1);
-#endif
- if (rop != stiprop) {
-#if PSZ == 24
- putbitsrop24(fgfill, 0, &tmpSrc, pGC->planemask, stiprop);
-#else
- putbitsrop(fgfill, 0, w, &tmpSrc, pGC->planemask, stiprop);
-#endif
- } else {
- tmpSrc = fgfill;
- }
-#if PSZ == 24
- getstipplepixels24(ptemp, xtemp, 1, &tmpSrc, &tmpDst2, xrem);
-#else
- getstipplepixels(ptemp, xtemp, w, 1, &tmpSrc, &tmpDst2);
-#endif
- break;
- }
- tmpDst2 |= tmpDst1;
-#if PSZ == 24
- putbitsrop24(tmpDst2, tmpx, pdsttmp, pGC->planemask, rop);
-#else
- putbitsrop(tmpDst2, tmpx, w, pdsttmp, pGC->planemask, rop);
-#endif
- x += w;
- width -= w;
- }
- }
- ppt++;
- pwidth++;
- }
- xfree(pptFree);
- xfree(pwidthFree);
-}
-
-#endif /* PSZ == 8 */
-
-#if PSZ == 8
-
-void
-cfb8Stipple32FS (pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
- DrawablePtr pDrawable;
- GCPtr 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 */
- DDXPointPtr ppt; /* pointer to list of start points */
- int *pwidth; /* pointer to list of n widths */
- CfbBits *src; /* pointer to bits in stipple, if needed */
- int stippleHeight; /* height of the stipple */
- PixmapPtr stipple;
-
- int nlwDst; /* width in longwords of the dest pixmap */
- int x,y,w; /* current span */
- CfbBits startmask;
- CfbBits endmask;
- register CfbBits *dst; /* pointer to bits we're writing */
- register int nlw;
- CfbBits *dstTmp;
- int nlwTmp;
-
- CfbBits *pbits; /* pointer to start of pixmap */
- register CfbBits xor;
- register CfbBits mask;
- register CfbBits bits; /* bits from stipple */
- int wEnd;
-
- int *pwidthFree; /* copies of the pointers to free */
- DDXPointPtr pptFree;
- cfbPrivGCPtr devPriv;
-
- devPriv = cfbGetGCPrivate(pGC);
- cfb8CheckStipple (pGC->alu, pGC->fgPixel, pGC->planemask);
- n = nInit * miFindMaxBand(pGC->pCompositeClip);
- if ( n == 0 )
- return;
- pwidthFree = (int *)xalloc(n * sizeof(int));
- pptFree = (DDXPointRec *)xalloc(n * sizeof(DDXPointRec));
- if(!pptFree || !pwidthFree)
- {
- if (pptFree) xfree(pptFree);
- if (pwidthFree) xfree(pwidthFree);
- return;
- }
- pwidth = pwidthFree;
- ppt = pptFree;
- n = miClipSpans(pGC->pCompositeClip, pptInit, pwidthInit, nInit,
- ppt, pwidth, fSorted);
-
- stipple = pGC->pRotatedPixmap;
- src = (CfbBits *)stipple->devPrivate.ptr;
- stippleHeight = stipple->drawable.height;
-
- cfbGetLongWidthAndPointer (pDrawable, nlwDst, pbits)
-
- while (n--)
- {
- w = *pwidth++;
- x = ppt->x;
- y = ppt->y;
- ppt++;
- dst = pbits + (y * nlwDst) + (x >> PWSH);
- if (((x & PIM) + w) <= PPW)
- {
- maskpartialbits(x, w, startmask);
- endmask = 0;
- nlw = 0;
- }
- else
- {
- maskbits (x, w, startmask, endmask, nlw);
- }
- bits = src[y % stippleHeight];
- RotBitsLeft (bits, (x & ((PGSZ-1) & ~PIM)));
-#if PPW == 4
- if (cfb8StippleRRop == GXcopy)
- {
- xor = devPriv->xor;
- if (w < (PGSZ*2))
- {
- if (startmask)
- {
- mask = cfb8PixelMasks[GetBitGroup(bits)];
- *dst = (*dst & ~(mask & startmask)) |
- (xor & (mask & startmask));
- dst++;
- RotBitsLeft (bits, PGSZB);
- }
- while (nlw--)
- {
- WriteBitGroup (dst,xor,GetBitGroup(bits))
- dst++;
- RotBitsLeft (bits, PGSZB);
- }
- if (endmask)
- {
- mask = cfb8PixelMasks[GetBitGroup(bits)];
- *dst = (*dst & ~(mask & endmask)) |
- (xor & (mask & endmask));
- }
- }
- else
- { /* XXX constants probably not OK here */
- wEnd = 7 - (nlw & 7);
- nlw = (nlw >> 3) + 1;
- dstTmp = dst;
- nlwTmp = nlw;
- if (startmask)
- {
- mask = cfb8PixelMasks[GetBitGroup(bits)];
- *dstTmp = (*dstTmp & ~(mask & startmask)) |
- (xor & (mask & startmask));
- dstTmp++;
- RotBitsLeft (bits, PGSZB);
- }
- w = 7 - wEnd;
- while (w--)
- {
- dst = dstTmp;
- dstTmp++;
- nlw = nlwTmp;
-#if defined(__GNUC__) && defined(mc68020)
- mask = cfb8PixelMasks[GetBitGroup(bits)];
- xor = xor & mask;
- mask = ~mask;
- while (nlw--)
- {
- *dst = (*dst & mask) | xor;
- dst += 8;
- }
- xor = devPriv->xor;
-#else
-#define SwitchBitsLoop(body) \
- while (nlw--) \
- { \
- body \
- dst += 8; \
- }
- SwitchBitGroup(dst, xor, GetBitGroup(bits));
-#undef SwitchBitsLoop
-#endif
- NextBitGroup (bits);
- }
- nlwTmp--;
- w = wEnd + 1;
- if (endmask)
- {
- mask = cfb8PixelMasks[GetBitGroup(bits)];
- dst = dstTmp + (nlwTmp << 3);
- *dst = (*dst & ~(mask & endmask)) |
- (xor & (mask & endmask));
- }
- while (w--)
- {
- nlw = nlwTmp;
- dst = dstTmp;
- dstTmp++;
-#if defined(__GNUC__) && defined(mc68020)
- mask = cfb8PixelMasks[GetBitGroup(bits)];
- xor = xor & mask;
- mask = ~mask;
- while (nlw--)
- {
- *dst = (*dst & mask) | xor;
- dst += 8;
- }
- xor = devPriv->xor;
-#else
-#define SwitchBitsLoop(body) \
- while (nlw--) \
- { \
- body \
- dst += 8; \
- }
- SwitchBitGroup(dst, xor, GetBitGroup(bits));
-#undef SwitchBitsLoop
-#endif
- NextBitGroup (bits);
- }
- }
- }
- else
-#endif /* PPW == 4 */
- {
- if (startmask)
- {
- xor = GetBitGroup(bits);
- *dst = MaskRRopPixels(*dst, xor, startmask);
- dst++;
- RotBitsLeft (bits, PGSZB);
- }
- while (nlw--)
- {
- RRopBitGroup(dst, GetBitGroup(bits));
- dst++;
- RotBitsLeft (bits, PGSZB);
- }
- if (endmask)
- {
- xor = GetBitGroup(bits);
- *dst = MaskRRopPixels(*dst, xor, endmask);
- }
- }
- }
- xfree(pptFree);
- xfree(pwidthFree);
-}
-
-void
-cfb8OpaqueStipple32FS (pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
- DrawablePtr pDrawable;
- GCPtr 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 */
- DDXPointPtr ppt; /* pointer to list of start points */
- int *pwidth; /* pointer to list of n widths */
- CfbBits *src; /* pointer to bits in stipple, if needed */
- int stippleHeight; /* height of the stipple */
- PixmapPtr stipple;
-
- int nlwDst; /* width in longwords of the dest pixmap */
- int x,y,w; /* current span */
- CfbBits startmask;
- CfbBits endmask;
- register CfbBits *dst; /* pointer to bits we're writing */
- register int nlw;
- CfbBits *dstTmp;
- int nlwTmp;
-
- CfbBits *pbits; /* pointer to start of pixmap */
- register CfbBits xor;
- register CfbBits bits; /* bits from stipple */
- int wEnd;
-
- int *pwidthFree; /* copies of the pointers to free */
- DDXPointPtr pptFree;
- cfbPrivGCPtr devPriv;
-
- devPriv = cfbGetGCPrivate(pGC);
-
- cfb8CheckOpaqueStipple(pGC->alu, pGC->fgPixel, pGC->bgPixel, pGC->planemask);
-
- n = nInit * miFindMaxBand(pGC->pCompositeClip);
- if ( n == 0 )
- return;
- pwidthFree = (int *)xalloc(n * sizeof(int));
- pptFree = (DDXPointRec *)xalloc(n * sizeof(DDXPointRec));
- if(!pptFree || !pwidthFree)
- {
- if (pptFree) xfree(pptFree);
- if (pwidthFree) xfree(pwidthFree);
- return;
- }
- pwidth = pwidthFree;
- ppt = pptFree;
- n = miClipSpans(pGC->pCompositeClip, pptInit, pwidthInit, nInit,
- ppt, pwidth, fSorted);
-
- stipple = pGC->pRotatedPixmap;
- src = (CfbBits *)stipple->devPrivate.ptr;
- stippleHeight = stipple->drawable.height;
-
- cfbGetLongWidthAndPointer (pDrawable, nlwDst, pbits)
-
- while (n--)
- {
- w = *pwidth++;
- x = ppt->x;
- y = ppt->y;
- ppt++;
- dst = pbits + (y * nlwDst) + (x >> PWSH);
- if (((x & PIM) + w) <= PPW)
- {
- maskpartialbits(x, w, startmask);
- endmask = 0;
- nlw = 0;
- }
- else
- {
- maskbits (x, w, startmask, endmask, nlw);
- }
- bits = src[y % stippleHeight];
- RotBitsLeft (bits, (x & ((PGSZ-1) & ~PIM)));
-#if PPW == 4
- if (cfb8StippleRRop == GXcopy)
- {
- xor = devPriv->xor;
- if (w < PGSZ*2)
- {
- if (startmask)
- {
- *dst = (*dst & ~startmask) |
- (GetPixelGroup (bits) & startmask);
- dst++;
- RotBitsLeft (bits, PGSZB);
- }
- while (nlw--)
- {
- *dst++ = GetPixelGroup(bits);
- RotBitsLeft (bits, PGSZB);
- }
- if (endmask)
- {
- *dst = (*dst & ~endmask) |
- (GetPixelGroup (bits) & endmask);
- }
- }
- else
- { /* XXX consts probably not OK here */
- wEnd = 7 - (nlw & 7);
- nlw = (nlw >> 3) + 1;
- dstTmp = dst;
- nlwTmp = nlw;
- if (startmask)
- {
- *dstTmp = (*dstTmp & ~startmask) |
- (GetPixelGroup (bits) & startmask);
- dstTmp++;
- RotBitsLeft (bits, PGSZB);
- }
- w = 7 - wEnd;
- while (w--)
- {
- nlw = nlwTmp;
- dst = dstTmp;
- dstTmp++;
- xor = GetPixelGroup (bits);
- while (nlw--)
- {
- *dst = xor;
- dst += 8;
- }
- NextBitGroup (bits);
- }
- nlwTmp--;
- w = wEnd + 1;
- if (endmask)
- {
- dst = dstTmp + (nlwTmp << 3);
- *dst = (*dst & ~endmask) |
- (GetPixelGroup (bits) & endmask);
- }
- while (w--)
- {
- nlw = nlwTmp;
- dst = dstTmp;
- dstTmp++;
- xor = GetPixelGroup (bits);
- while (nlw--)
- {
- *dst = xor;
- dst += 8;
- }
- NextBitGroup (bits);
- }
- }
- }
- else
-#endif /* PPW == 4 */
- {
- if (startmask)
- {
- xor = GetBitGroup(bits);
- *dst = MaskRRopPixels(*dst, xor, startmask);
- dst++;
- RotBitsLeft (bits, PGSZB);
- }
- while (nlw--)
- {
- RRopBitGroup(dst, GetBitGroup(bits));
- dst++;
- RotBitsLeft (bits, PGSZB);
- }
- if (endmask)
- {
- xor = GetBitGroup(bits);
- *dst = MaskRRopPixels(*dst, xor, endmask);
- }
- }
- }
- xfree(pptFree);
- xfree(pwidthFree);
-}
-
-#endif /* PSZ == 8 */
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