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Diffstat (limited to 'xorg-server/mfb/mfbsetsp.c')
| -rw-r--r-- | xorg-server/mfb/mfbsetsp.c | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/xorg-server/mfb/mfbsetsp.c b/xorg-server/mfb/mfbsetsp.c deleted file mode 100644 index 24add836c..000000000 --- a/xorg-server/mfb/mfbsetsp.c +++ /dev/null @@ -1,281 +0,0 @@ -/* 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 "misc.h" -#include "regionstr.h" -#include "gcstruct.h" -#include "windowstr.h" -#include "pixmapstr.h" -#include "scrnintstr.h" - -#include "mfb.h" -#include "maskbits.h" - -#include "servermd.h" - - -/* mfbSetScanline -- copies the bits from psrc to the drawable starting at - * (xStart, y) and continuing to (xEnd, y). xOrigin tells us where psrc - * starts on the scanline. (I.e., if this scanline passes through multiple - * boxes, we may not want to start grabbing bits at psrc but at some offset - * further on.) - */ -void -mfbSetScanline(y, xOrigin, xStart, xEnd, psrc, alu, pdstBase, widthDst) - int y; - int xOrigin; /* where this scanline starts */ - int xStart; /* first bit to use from scanline */ - int xEnd; /* last bit to use from scanline + 1 */ - register PixelType *psrc; - register int alu; /* raster op */ - PixelType *pdstBase; /* start of the drawable */ - int widthDst; /* width of drawable in words */ -{ - int w; /* width of scanline in bits */ - register PixelType *pdst; /* where to put the bits */ - register PixelType tmpSrc; /* scratch buffer to collect bits in */ - int dstBit; /* offset in bits from beginning of - * word */ - register int nstart; /* number of bits from first partial */ - register int nend; /* " " last partial word */ - int offSrc; - PixelType startmask, endmask; - int nlMiddle, nl; - - pdst = mfbScanline(pdstBase, xStart, y, widthDst); - psrc += (xStart - xOrigin) >> PWSH; - offSrc = (xStart - xOrigin) & PIM; - w = xEnd - xStart; - dstBit = xStart & PIM; - - if (dstBit + w <= PPW) - { - getandputrop(psrc, offSrc, dstBit, w, pdst, alu) - } - else - { - - maskbits(xStart, w, startmask, endmask, nlMiddle); - if (startmask) - nstart = PPW - dstBit; - else - nstart = 0; - if (endmask) - nend = xEnd & PIM; - else - nend = 0; - if (startmask) - { - getandputrop(psrc, offSrc, dstBit, nstart, pdst, alu) - pdst++; - offSrc += nstart; - if (offSrc > PLST) - { - psrc++; - offSrc -= PPW; - } - } - nl = nlMiddle; - while (nl--) - { - getbits(psrc, offSrc, PPW, tmpSrc); - DoRop(*pdst, alu, tmpSrc, *pdst); - pdst++; - psrc++; - } - if (endmask) - { - getandputrop0(psrc, offSrc, nend, pdst, alu); - } - - } -} - - - -/* SetSpans -- for each span copy pwidth[i] bits from psrc to pDrawable at - * ppt[i] using the raster op from the GC. If fSorted is TRUE, the scanlines - * are in increasing Y order. - * Source bit lines are server scanline padded so that they always begin - * on a word boundary. - */ -void -mfbSetSpans(pDrawable, pGC, pcharsrc, ppt, pwidth, nspans, fSorted) - DrawablePtr pDrawable; - GCPtr pGC; - char *pcharsrc; - register DDXPointPtr ppt; - int *pwidth; - int nspans; - int fSorted; -{ - PixelType *psrc = (PixelType *)(pointer)pcharsrc; - PixelType *pdstBase; /* start of dst bitmap */ - int widthDst; /* width of bitmap in words */ - register BoxPtr pbox, pboxLast, pboxTest; - register DDXPointPtr pptLast; - int alu; - RegionPtr prgnDst; - int xStart, xEnd; - int yMax; - - alu = pGC->alu; - prgnDst = pGC->pCompositeClip; - - pptLast = ppt + nspans; - - yMax = pDrawable->y + (int) pDrawable->height; - mfbGetPixelWidthAndPointer(pDrawable, widthDst, pdstBase); - - pbox = REGION_RECTS(prgnDst); - pboxLast = pbox + REGION_NUM_RECTS(prgnDst); - - if(fSorted) - { - /* scan lines sorted in ascending order. Because they are sorted, we - * don't have to check each scanline against each clip box. We can be - * sure that this scanline only has to be clipped to boxes at or after the - * beginning of this y-band - */ - pboxTest = pbox; - while(ppt < pptLast) - { - pbox = pboxTest; - if(ppt->y >= yMax) - break; - while(pbox < pboxLast) - { - if(pbox->y1 > ppt->y) - { - /* scanline is before clip box */ - break; - } - else if(pbox->y2 <= ppt->y) - { - /* clip box is before scanline */ - pboxTest = ++pbox; - continue; - } - else if(pbox->x1 > ppt->x + *pwidth) - { - /* clip box is to right of scanline */ - break; - } - else if(pbox->x2 <= ppt->x) - { - /* scanline is to right of clip box */ - pbox++; - continue; - } - - /* at least some of the scanline is in the current clip box */ - xStart = max(pbox->x1, ppt->x); - xEnd = min(ppt->x + *pwidth, pbox->x2); - mfbSetScanline(ppt->y, ppt->x, xStart, xEnd, psrc, alu, - pdstBase, widthDst); - if(ppt->x + *pwidth <= pbox->x2) - { - /* End of the line, as it were */ - break; - } - else - pbox++; - } - /* We've tried this line against every box; it must be outside them - * all. move on to the next point */ - ppt++; - psrc += PixmapWidthInPadUnits(*pwidth, 1); - pwidth++; - } - } - else - { - /* scan lines not sorted. We must clip each line against all the boxes */ - while(ppt < pptLast) - { - if(ppt->y >= 0 && ppt->y < yMax) - { - - for(pbox = REGION_RECTS(prgnDst); pbox< pboxLast; pbox++) - { - if(pbox->y1 > ppt->y) - { - /* rest of clip region is above this scanline, - * skip it */ - break; - } - if(pbox->y2 <= ppt->y) - { - /* clip box is below scanline */ - pbox++; - break; - } - if(pbox->x1 <= ppt->x + *pwidth && - pbox->x2 > ppt->x) - { - xStart = max(pbox->x1, ppt->x); - xEnd = min(pbox->x2, ppt->x + *pwidth); - mfbSetScanline(ppt->y, ppt->x, xStart, xEnd, - psrc, alu, pdstBase, widthDst); - } - - } - } - psrc += PixmapWidthInPadUnits(*pwidth, 1); - ppt++; - pwidth++; - } - } -} |