diff options
Diffstat (limited to 'xorg-server/mfb/mfbfillsp.c')
| -rw-r--r-- | xorg-server/mfb/mfbfillsp.c | 1029 |
1 files changed, 1029 insertions, 0 deletions
diff --git a/xorg-server/mfb/mfbfillsp.c b/xorg-server/mfb/mfbfillsp.c new file mode 100644 index 000000000..c073535df --- /dev/null +++ b/xorg-server/mfb/mfbfillsp.c @@ -0,0 +1,1029 @@ +/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */ +/*********************************************************** + +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 "gcstruct.h" +#include "window.h" +#include "pixmapstr.h" +#include "scrnintstr.h" +#include "windowstr.h" +#include "mfb.h" +#include "maskbits.h" + +#include "mergerop.h" + +#include "servermd.h" +#include "mi.h" +#include "mispans.h" + +/* scanline filling for monochrome frame buffer + written by drewry, oct 1986 + + 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 mfbCreateGC().) + + the number of new scnalines created by clipping == +MaxRectsPerBand * nSpans. + + FillSolid is overloaded to be used for OpaqueStipple as well, +if fgPixel == bgPixel. + + + FillTiled is overloaded to be used for OpaqueStipple, if +fgPixel != bgPixel. based on the fill style, it uses +{RotatedPixmap, gc.alu} or {RotatedPixmap, PrivGC.ropOpStip} +*/ + + +void +mfbBlackSolidFS(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 */ + register DDXPointPtr ppt; /* pointer to list of start points */ + register int *pwidth; /* pointer to list of n widths */ + PixelType *addrlBase; /* pointer to start of bitmap */ + int nlwidth; /* width in longwords of bitmap */ + register PixelType *addrl;/* pointer to current longword in bitmap */ + register int nlmiddle; + register PixelType startmask; + register PixelType endmask; + int *pwidthFree; /* copies of the pointers to free */ + DDXPointPtr pptFree; + + if (!(pGC->planemask & 1)) + return; + + n = nInit * miFindMaxBand(pGC->pCompositeClip); + 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); + + mfbGetPixelWidthAndPointer(pDrawable, nlwidth, addrlBase); + + while (n--) + { + addrl = mfbScanline(addrlBase, ppt->x, ppt->y, nlwidth); + + if (*pwidth) + { + if ( ((ppt->x & PIM) + *pwidth) < PPW) + { + /* all bits inside same longword */ + maskpartialbits(ppt->x, *pwidth, startmask); + *addrl &= ~startmask; + } + else + { + maskbits(ppt->x, *pwidth, startmask, endmask, nlmiddle); + if (startmask) + *addrl++ &= ~startmask; + Duff (nlmiddle, *addrl++ = 0x0); + if (endmask) + *addrl &= ~endmask; + } + } + pwidth++; + ppt++; + } + xfree(pptFree); + xfree(pwidthFree); +} + + + +void +mfbWhiteSolidFS(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 */ + register DDXPointPtr ppt; /* pointer to list of start points */ + register int *pwidth; /* pointer to list of n widths */ + PixelType *addrlBase; /* pointer to start of bitmap */ + int nlwidth; /* width in longwords of bitmap */ + register PixelType *addrl;/* pointer to current longword in bitmap */ + register int nlmiddle; + register PixelType startmask; + register PixelType endmask; + int *pwidthFree; /* copies of the pointers to free */ + DDXPointPtr pptFree; + + if (!(pGC->planemask & 1)) + return; + + n = nInit * miFindMaxBand(pGC->pCompositeClip); + 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); + + mfbGetPixelWidthAndPointer(pDrawable, nlwidth, addrlBase); + + while (n--) + { + addrl = mfbScanline(addrlBase, ppt->x, ppt->y, nlwidth); + + if (*pwidth) + { + if ( ((ppt->x & PIM) + *pwidth) < PPW) + { + /* all bits inside same longword */ + maskpartialbits(ppt->x, *pwidth, startmask); + *addrl |= startmask; + } + else + { + maskbits(ppt->x, *pwidth, startmask, endmask, nlmiddle); + if (startmask) + *addrl++ |= startmask; + Duff (nlmiddle, *addrl++ = ~0); + if (endmask) + *addrl |= endmask; + } + } + pwidth++; + ppt++; + } + xfree(pptFree); + xfree(pwidthFree); +} + + + +void +mfbInvertSolidFS(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 */ + register DDXPointPtr ppt; /* pointer to list of start points */ + register int *pwidth; /* pointer to list of n widths */ + PixelType *addrlBase; /* pointer to start of bitmap */ + int nlwidth; /* width in longwords of bitmap */ + register PixelType *addrl;/* pointer to current longword in bitmap */ + register int nlmiddle; + register PixelType startmask; + register PixelType endmask; + int *pwidthFree; /* copies of the pointers to free */ + DDXPointPtr pptFree; + + if (!(pGC->planemask & 1)) + return; + + n = nInit * miFindMaxBand(pGC->pCompositeClip); + 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); + + mfbGetPixelWidthAndPointer(pDrawable, nlwidth, addrlBase); + + while (n--) + { + addrl = mfbScanline(addrlBase, ppt->x, ppt->y, nlwidth); + + if (*pwidth) + { + if ( ((ppt->x & PIM) + *pwidth) < PPW) + { + /* all bits inside same longword */ + maskpartialbits(ppt->x, *pwidth, startmask); + *addrl ^= startmask; + } + else + { + maskbits(ppt->x, *pwidth, startmask, endmask, nlmiddle); + if (startmask) + *addrl++ ^= startmask; + Duff (nlmiddle, *addrl++ ^= ~0); + if (endmask) + *addrl ^= endmask; + } + } + pwidth++; + ppt++; + } + xfree(pptFree); + xfree(pwidthFree); +} + + +void +mfbWhiteStippleFS(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 */ + PixelType *addrlBase; /* pointer to start of bitmap */ + int nlwidth; /* width in longwords of bitmap */ + register PixelType *addrl;/* pointer to current longword in bitmap */ + register PixelType src; + register int nlmiddle; + register PixelType startmask; + register PixelType endmask; + PixmapPtr pStipple; + PixelType *psrc; + int tileHeight; + int *pwidthFree; /* copies of the pointers to free */ + DDXPointPtr pptFree; + + if (!(pGC->planemask & 1)) + return; + + n = nInit * miFindMaxBand(pGC->pCompositeClip); + 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); + + mfbGetPixelWidthAndPointer(pDrawable, nlwidth, addrlBase); + + pStipple = pGC->pRotatedPixmap; + tileHeight = pStipple->drawable.height; + psrc = (PixelType *)(pStipple->devPrivate.ptr); + + while (n--) + { + addrl = mfbScanline(addrlBase, ppt->x, ppt->y, nlwidth); + src = psrc[ppt->y % tileHeight]; + + /* all bits inside same longword */ + if ( ((ppt->x & PIM) + *pwidth) < PPW) + { + maskpartialbits(ppt->x, *pwidth, startmask); + *addrl |= (src & startmask); + } + else + { + maskbits(ppt->x, *pwidth, startmask, endmask, nlmiddle); + if (startmask) + *addrl++ |= (src & startmask); + Duff (nlmiddle, *addrl++ |= src); + if (endmask) + *addrl |= (src & endmask); + } + pwidth++; + ppt++; + } + xfree(pptFree); + xfree(pwidthFree); +} + + +void +mfbBlackStippleFS(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 */ + PixelType *addrlBase; /* pointer to start of bitmap */ + int nlwidth; /* width in longwords of bitmap */ + register PixelType *addrl; /* pointer to current longword in bitmap */ + register PixelType src; + register int nlmiddle; + register PixelType startmask; + register PixelType endmask; + PixmapPtr pStipple; + PixelType *psrc; + int tileHeight; + int *pwidthFree; /* copies of the pointers to free */ + DDXPointPtr pptFree; + + if (!(pGC->planemask & 1)) + return; + + n = nInit * miFindMaxBand(pGC->pCompositeClip); + 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); + + mfbGetPixelWidthAndPointer(pDrawable, nlwidth, addrlBase); + + pStipple = pGC->pRotatedPixmap; + tileHeight = pStipple->drawable.height; + psrc = (PixelType *)(pStipple->devPrivate.ptr); + + while (n--) + { + addrl = mfbScanline(addrlBase, ppt->x, ppt->y, nlwidth); + src = psrc[ppt->y % tileHeight]; + + /* all bits inside same longword */ + if ( ((ppt->x & PIM) + *pwidth) < PPW) + { + maskpartialbits(ppt->x, *pwidth, startmask); + *addrl &= ~(src & startmask); + } + else + { + maskbits(ppt->x, *pwidth, startmask, endmask, nlmiddle); + if (startmask) + *addrl++ &= ~(src & startmask); + Duff (nlmiddle, *addrl++ &= ~src); + if (endmask) + *addrl &= ~(src & endmask); + } + pwidth++; + ppt++; + } + xfree(pptFree); + xfree(pwidthFree); +} + + +void +mfbInvertStippleFS(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 */ + PixelType *addrlBase; /* pointer to start of bitmap */ + int nlwidth; /* width in longwords of bitmap */ + register PixelType *addrl; /* pointer to current longword in bitmap */ + register PixelType src; + register int nlmiddle; + register PixelType startmask; + register PixelType endmask; + PixmapPtr pStipple; + PixelType *psrc; + int tileHeight; + int *pwidthFree; /* copies of the pointers to free */ + DDXPointPtr pptFree; + + if (!(pGC->planemask & 1)) + return; + + n = nInit * miFindMaxBand(pGC->pCompositeClip); + 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); + + mfbGetPixelWidthAndPointer(pDrawable, nlwidth, addrlBase); + + pStipple = pGC->pRotatedPixmap; + tileHeight = pStipple->drawable.height; + psrc = (PixelType *)(pStipple->devPrivate.ptr); + + while (n--) + { + addrl = mfbScanline(addrlBase, ppt->x, ppt->y, nlwidth); + src = psrc[ppt->y % tileHeight]; + + /* all bits inside same longword */ + if ( ((ppt->x & PIM) + *pwidth) < PPW) + { + maskpartialbits(ppt->x, *pwidth, startmask); + *addrl ^= (src & startmask); + } + else + { + maskbits(ppt->x, *pwidth, startmask, endmask, nlmiddle); + if (startmask) + *addrl++ ^= (src & startmask); + Duff(nlmiddle, *addrl++ ^= src); + if (endmask) + *addrl ^= (src & endmask); + } + pwidth++; + ppt++; + } + xfree(pptFree); + xfree(pwidthFree); +} + + +/* this works with tiles of width == PPW */ +#define FILLSPANPPW(ROP) \ + while (n--) \ + { \ + if (*pwidth) \ + { \ + addrl = mfbScanline(addrlBase, ppt->x, ppt->y, nlwidth); \ + src = psrc[ppt->y % tileHeight]; \ + if ( ((ppt->x & PIM) + *pwidth) < PPW) \ + { \ + maskpartialbits(ppt->x, *pwidth, startmask); \ + *addrl = (*addrl & ~startmask) | \ + (ROP(src, *addrl) & startmask); \ + } \ + else \ + { \ + maskbits(ppt->x, *pwidth, startmask, endmask, nlmiddle); \ + if (startmask) \ + { \ + *addrl = (*addrl & ~startmask) | \ + (ROP(src, *addrl) & startmask); \ + addrl++; \ + } \ + while (nlmiddle--) \ + { \ + *addrl = ROP(src, *addrl); \ + addrl++; \ + } \ + if (endmask) \ + *addrl = (*addrl & ~endmask) | \ + (ROP(src, *addrl) & endmask); \ + } \ + } \ + pwidth++; \ + ppt++; \ + } + + + +void +mfbTileFS(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 */ + PixelType *addrlBase; /* pointer to start of bitmap */ + int nlwidth; /* width in longwords of bitmap */ + register PixelType *addrl; /* pointer to current longword in bitmap */ + register PixelType src; + register int nlmiddle; + register PixelType startmask; + register PixelType endmask; + PixmapPtr pTile; + PixelType *psrc; + int tileHeight; + int rop; + int *pwidthFree; /* copies of the pointers to free */ + DDXPointPtr pptFree; + MfbBits flip; + + + if (!(pGC->planemask & 1)) + return; + + n = nInit * miFindMaxBand(pGC->pCompositeClip); + 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); + + mfbGetPixelWidthAndPointer(pDrawable, nlwidth, addrlBase); + + pTile = pGC->pRotatedPixmap; + tileHeight = pTile->drawable.height; + psrc = (PixelType *)(pTile->devPrivate.ptr); + if (pGC->fillStyle == FillTiled) + rop = pGC->alu; + else + rop = ((mfbPrivGC *)dixLookupPrivate(&pGC->devPrivates, + mfbGetGCPrivateKey()))->ropOpStip; + + flip = 0; + switch(rop) + { + case GXcopyInverted: /* for opaque stipples */ + flip = ~0; + case GXcopy: + { + +#define DoMaskCopyRop(src,dst,mask) (((dst) & ~(mask)) | ((src) & (mask))) + + while (n--) + { + if (*pwidth) + { + addrl = mfbScanline(addrlBase, ppt->x, ppt->y, nlwidth); + src = psrc[ppt->y % tileHeight] ^ flip; + if ( ((ppt->x & PIM) + *pwidth) < PPW) + { + maskpartialbits(ppt->x, *pwidth, startmask); + *addrl = DoMaskCopyRop (src, *addrl, startmask); + } + else + { + maskbits(ppt->x, *pwidth, startmask, endmask, nlmiddle); + if (startmask) + { + *addrl = DoMaskCopyRop (src, *addrl, startmask); + addrl++; + } + while (nlmiddle--) + { + *addrl = src; + addrl++; + } + if (endmask) + *addrl = DoMaskCopyRop (src, *addrl, endmask); + } + } + pwidth++; + ppt++; + } + } + break; + default: + { + register DeclareMergeRop (); + + InitializeMergeRop(rop,~0); + while (n--) + { + if (*pwidth) + { + addrl = mfbScanline(addrlBase, ppt->x, ppt->y, nlwidth); + src = psrc[ppt->y % tileHeight]; + if ( ((ppt->x & PIM) + *pwidth) < PPW) + { + maskpartialbits(ppt->x, *pwidth, startmask); + *addrl = DoMaskMergeRop (src, *addrl, startmask); + } + else + { + maskbits(ppt->x, *pwidth, startmask, endmask, nlmiddle); + if (startmask) + { + *addrl = DoMaskMergeRop (src, *addrl, startmask); + addrl++; + } + while (nlmiddle--) + { + *addrl = DoMergeRop (src, *addrl); + addrl++; + } + if (endmask) + *addrl = DoMaskMergeRop (src, *addrl, endmask); + } + } + pwidth++; + ppt++; + } + } + break; + } + xfree(pptFree); + xfree(pwidthFree); +} + + +/* Fill spans with tiles that aren't PPW bits wide */ +void +mfbUnnaturalTileFS(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 iline; /* first line of tile to use */ + /* 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 */ + PixelType *addrlBase; /* pointer to start of bitmap */ + int nlwidth; /* width in longwords of bitmap */ + register PixelType *pdst;/* pointer to current word in bitmap */ + register PixelType *psrc;/* pointer to current word in tile */ + register int nlMiddle; + register int rop, nstart; + PixelType startmask; + PixmapPtr pTile; /* pointer to tile we want to fill with */ + int w, width, x, xSrc, ySrc, srcStartOver, nend; + int tlwidth, rem, tileWidth, tileHeight, endinc; + PixelType endmask, *psrcT; + int *pwidthFree; /* copies of the pointers to free */ + DDXPointPtr pptFree; + + if (!(pGC->planemask & 1)) + return; + + n = nInit * miFindMaxBand(pGC->pCompositeClip); + 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); + + if (pGC->fillStyle == FillTiled) + { + pTile = pGC->tile.pixmap; + tlwidth = pTile->devKind / PGSZB; + rop = pGC->alu; + } + else + { + pTile = pGC->stipple; + tlwidth = pTile->devKind / PGSZB; + rop = ((mfbPrivGC *)dixLookupPrivate(&pGC->devPrivates, + mfbGetGCPrivateKey()))->ropOpStip; + } + + xSrc = pDrawable->x; + ySrc = pDrawable->y; + + mfbGetPixelWidthAndPointer(pDrawable, nlwidth, addrlBase); + + tileWidth = pTile->drawable.width; + tileHeight = pTile->drawable.height; + + /* this replaces rotating the tile. Instead we just adjust the offset + * at which we start grabbing bits from the tile. + * Ensure that ppt->x - xSrc >= 0 and ppt->y - ySrc >= 0, + * so that iline and rem always stay within the tile bounds. + */ + xSrc += (pGC->patOrg.x % tileWidth) - tileWidth; + ySrc += (pGC->patOrg.y % tileHeight) - tileHeight; + + while (n--) + { + iline = (ppt->y - ySrc) % tileHeight; + pdst = mfbScanline(addrlBase, ppt->x, ppt->y, nlwidth); + psrcT = (PixelType *) pTile->devPrivate.ptr + (iline * tlwidth); + x = ppt->x; + + if (*pwidth) + { + width = *pwidth; + while(width > 0) + { + psrc = psrcT; + 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; + getandputrop((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 */ + putbitsrop(*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) + { + putbitsrop(*psrc, (x & PIM), nstart, pdst, rop); + pdst++; +#if defined(__alpha__) || defined(__alpha) + /* + * XXX workaround an egcs 1.1.2 code generation + * bug. This version might actually be faster. + */ + psrc += srcStartOver; +#else + if(srcStartOver) + psrc++; +#endif + } + + while(nlMiddle--) + { + getandputrop0(psrc, nstart, PPW, pdst, rop); + pdst++; + psrc++; + } + if(endmask) + { + getandputrop0(psrc, nstart, nend, pdst, rop); + } + } + x += w; + width -= w; + } + } + ppt++; + pwidth++; + } + xfree(pptFree); + xfree(pwidthFree); +} + + +/* Fill spans with stipples that aren't PPW bits wide */ +void +mfbUnnaturalStippleFS(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 */ + PixelType *addrlBase; /* pointer to start of bitmap */ + int nlwidth; /* width in longwords of bitmap */ + register PixelType *pdst; /* pointer to current word in bitmap */ + register PixelType *psrc; /* pointer to current word in tile */ + register int nlMiddle; + register int rop, nstart; + PixelType startmask; + PixmapPtr pTile; /* pointer to tile we want to fill with */ + int w, width, x, xSrc, ySrc, srcStartOver, nend; + PixelType endmask, *psrcT; + int tlwidth, rem, tileWidth, endinc; + int tileHeight; + int *pwidthFree; /* copies of the pointers to free */ + DDXPointPtr pptFree; + + if (!(pGC->planemask & 1)) + return; + + n = nInit * miFindMaxBand(pGC->pCompositeClip); + 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); + + pTile = pGC->stipple; + rop = ((mfbPrivGC *)dixLookupPrivate(&pGC->devPrivates, + mfbGetGCPrivateKey()))->rop; + tlwidth = pTile->devKind / PGSZB; + xSrc = pDrawable->x; + ySrc = pDrawable->y; + mfbGetPixelWidthAndPointer(pDrawable, nlwidth, addrlBase); + + tileWidth = pTile->drawable.width; + tileHeight = pTile->drawable.height; + + /* 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 rem always stay within the tile bounds. + */ + xSrc += (pGC->patOrg.x % tileWidth) - tileWidth; + ySrc += (pGC->patOrg.y % tileHeight) - tileHeight; + while (n--) + { + iline = (ppt->y - ySrc) % tileHeight; + pdst = mfbScanline(addrlBase, ppt->x, ppt->y, nlwidth); + psrcT = (PixelType *) pTile->devPrivate.ptr + (iline * tlwidth); + x = ppt->x; + + if (*pwidth) + { + width = *pwidth; + while(width > 0) + { + psrc = psrcT; + 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; + } + } + ppt++; + pwidth++; + } + xfree(pptFree); + xfree(pwidthFree); +} |