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author | marha <marha@users.sourceforge.net> | 2009-07-25 19:39:46 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-07-25 19:39:46 +0000 |
commit | 4a3dbb926ae3f5410198d7cc4f4ebe4f62eebf05 (patch) | |
tree | c1e02b9d3509aa97703aa4b540d4cd22ec4600ed /xorg-server/afb/afbbitblt.c | |
parent | dc3c299dd0995549e2a6973ca0f25b254afd38a5 (diff) | |
download | vcxsrv-4a3dbb926ae3f5410198d7cc4f4ebe4f62eebf05.tar.gz vcxsrv-4a3dbb926ae3f5410198d7cc4f4ebe4f62eebf05.tar.bz2 vcxsrv-4a3dbb926ae3f5410198d7cc4f4ebe4f62eebf05.zip |
Added xorg-server-1.6.2.tar.gz
Diffstat (limited to 'xorg-server/afb/afbbitblt.c')
-rw-r--r-- | xorg-server/afb/afbbitblt.c | 343 |
1 files changed, 0 insertions, 343 deletions
diff --git a/xorg-server/afb/afbbitblt.c b/xorg-server/afb/afbbitblt.c deleted file mode 100644 index d8b2ccda5..000000000 --- a/xorg-server/afb/afbbitblt.c +++ /dev/null @@ -1,343 +0,0 @@ -/* 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. - -******************************************************************/ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <stdlib.h> - -#include <X11/X.h> -#include <X11/Xprotostr.h> - -#include "regionstr.h" -#include "gcstruct.h" -#include "windowstr.h" -#include "pixmapstr.h" -#include "scrnintstr.h" - -#include "mi.h" - -#include "afb.h" -#include "maskbits.h" - -/* CopyArea and CopyPlane for a monchrome frame buffer - - - clip the source rectangle to the source's available bits. (this -avoids copying unnecessary pieces that will just get exposed anyway.) -this becomes the new shape of the destination. - clip the destination region to the composite clip in the -GC. this requires translating the destination region to (dstx, dsty). - build a list of source points, one for each rectangle in the -destination. this is a simple translation. - go do the multiple rectangle copies - do graphics exposures -*/ -/** Optimized for drawing pixmaps into windows, especially when drawing into - ** unobscured windows. Calls to the general-purpose region code were - ** replaced with rectangle-to-rectangle clipping comparisions. This is - ** possible, since the pixmap is a single rectangle. In an unobscured - ** window, the destination clip is also a single rectangle, and region - ** code can be avoided entirely. This is a big savings, since the region - ** code uses XAlloc() and makes many function calls. - ** - ** In addition, if source is a pixmap, there is no need to call the - ** expensive miHandleExposures() routine. Instead, we simply return NULL. - ** - ** Previously, drawing a pixmap into an unobscured window executed at least - ** 8 XAlloc()'s, 30 function calls, and hundreds of lines of code. - ** - ** Now, the same operation requires no XAlloc()'s, no region function calls, - ** and much less overhead. Nice for drawing lots of small pixmaps. - */ - -void -afbDoBitblt(DrawablePtr pSrc, DrawablePtr pDst, int alu, RegionPtr prgnDst, DDXPointPtr pptSrc, long unsigned int planemask) -{ - switch (alu) { - case GXcopy: - afbDoBitbltCopy(pSrc, pDst, alu, prgnDst, pptSrc, planemask); - break; - case GXxor: - afbDoBitbltXor(pSrc, pDst, alu, prgnDst, pptSrc, planemask); - break; - case GXcopyInverted: - afbDoBitbltCopyInverted(pSrc, pDst, alu, prgnDst, pptSrc, planemask); - break; - case GXor: - afbDoBitbltOr(pSrc, pDst, alu, prgnDst, pptSrc, planemask); - break; - default: - afbDoBitbltGeneral(pSrc, pDst, alu, prgnDst, pptSrc, planemask); - break; - } -} - -typedef void (*afb_blit_func) - (DrawablePtr, DrawablePtr, int, RegionPtr, DDXPointPtr, unsigned long); - -static RegionPtr -afbBitBlt(register DrawablePtr pSrcDrawable, register DrawablePtr pDstDrawable, register GC *pGC, int srcx, int srcy, int width, int height, int dstx, int dsty, afb_blit_func doBitBlt, long unsigned int planemask) -{ - RegionPtr prgnSrcClip = NULL; /* may be a new region, or just a copy */ - Bool freeSrcClip = FALSE; - - RegionPtr prgnExposed; - RegionRec rgnDst; - DDXPointPtr pptSrc; - register DDXPointPtr ppt; - register BoxPtr pbox; - int i; - register int dx; - register int dy; - xRectangle origSource; - DDXPointRec origDest; - int numRects; - BoxRec fastBox; - int fastClip = 0; /* for fast clipping with pixmap source */ - int fastExpose = 0; /* for fast exposures with pixmap source */ - - origSource.x = srcx; - origSource.y = srcy; - origSource.width = width; - origSource.height = height; - origDest.x = dstx; - origDest.y = dsty; - - if ((pSrcDrawable != pDstDrawable) && pSrcDrawable->pScreen->SourceValidate) - (*pSrcDrawable->pScreen->SourceValidate)(pSrcDrawable, srcx, srcy, width, - height); - - srcx += pSrcDrawable->x; - srcy += pSrcDrawable->y; - - /* clip the source */ - - if (pSrcDrawable->type == DRAWABLE_PIXMAP) - if ((pSrcDrawable == pDstDrawable) && (pGC->clientClipType == CT_NONE)) - prgnSrcClip = pGC->pCompositeClip; - else - fastClip = 1; - else if (pGC->subWindowMode == IncludeInferiors) - if (!((WindowPtr)pSrcDrawable)->parent) - /* - * special case bitblt from root window in - * IncludeInferiors mode; just like from a pixmap - */ - fastClip = 1; - else if ((pSrcDrawable == pDstDrawable) && (pGC->clientClipType == CT_NONE)) - prgnSrcClip = pGC->pCompositeClip; - else { - prgnSrcClip = NotClippedByChildren((WindowPtr)pSrcDrawable); - freeSrcClip = TRUE; - } - else - prgnSrcClip = &((WindowPtr)pSrcDrawable)->clipList; - - fastBox.x1 = srcx; - fastBox.y1 = srcy; - fastBox.x2 = srcx + width; - fastBox.y2 = srcy + height; - - /* Don't create a source region if we are doing a fast clip */ - if (fastClip) { - fastExpose = 1; - /* - * clip the source; if regions extend beyond the source size, - * make sure exposure events get sent - */ - if (fastBox.x1 < pSrcDrawable->x) { - fastBox.x1 = pSrcDrawable->x; - fastExpose = 0; - } - if (fastBox.y1 < pSrcDrawable->y) { - fastBox.y1 = pSrcDrawable->y; - fastExpose = 0; - } - if (fastBox.x2 > pSrcDrawable->x + (int)pSrcDrawable->width) { - fastBox.x2 = pSrcDrawable->x + (int)pSrcDrawable->width; - fastExpose = 0; - } - if (fastBox.y2 > pSrcDrawable->y + (int)pSrcDrawable->height) { - fastBox.y2 = pSrcDrawable->y + (int)pSrcDrawable->height; - fastExpose = 0; - } - } else { - REGION_INIT(pGC->pScreen, &rgnDst, &fastBox, 1); - REGION_INTERSECT(pGC->pScreen, &rgnDst, &rgnDst, prgnSrcClip); - } - - dstx += pDstDrawable->x; - dsty += pDstDrawable->y; - - if (pDstDrawable->type == DRAWABLE_WINDOW) - if (!((WindowPtr)pDstDrawable)->realized) { - if (!fastClip) - REGION_UNINIT(pGC->pScreen, &rgnDst); - if (freeSrcClip) - REGION_DESTROY(pGC->pScreen, prgnSrcClip); - return NULL; - } - - dx = srcx - dstx; - dy = srcy - dsty; - - /* Translate and clip the dst to the destination composite clip */ - if (fastClip) { - RegionPtr cclip; - - /* Translate the region directly */ - fastBox.x1 -= dx; - fastBox.x2 -= dx; - fastBox.y1 -= dy; - fastBox.y2 -= dy; - - /* If the destination composite clip is one rectangle we can - do the clip directly. Otherwise we have to create a full - blown region and call intersect */ - cclip = pGC->pCompositeClip; - if (REGION_NUM_RECTS(cclip) == 1) { - BoxPtr pBox = REGION_RECTS(cclip); - - if (fastBox.x1 < pBox->x1) - fastBox.x1 = pBox->x1; - if (fastBox.x2 > pBox->x2) - fastBox.x2 = pBox->x2; - if (fastBox.y1 < pBox->y1) - fastBox.y1 = pBox->y1; - if (fastBox.y2 > pBox->y2) - fastBox.y2 = pBox->y2; - - /* Check to see if the region is empty */ - if (fastBox.x1 >= fastBox.x2 || fastBox.y1 >= fastBox.y2) { - REGION_NULL(pGC->pScreen, &rgnDst); - } else { - REGION_INIT(pGC->pScreen, &rgnDst, &fastBox, 1); - } - } else { - /* We must turn off fastClip now, since we must create - a full blown region. It is intersected with the - composite clip below. */ - fastClip = 0; - REGION_INIT(pGC->pScreen, &rgnDst, &fastBox,1); - } - } else - REGION_TRANSLATE(pGC->pScreen, &rgnDst, -dx, -dy); - - if (!fastClip) { - REGION_INTERSECT(pGC->pScreen, &rgnDst, &rgnDst, - pGC->pCompositeClip); - } - - /* Do bit blitting */ - numRects = REGION_NUM_RECTS(&rgnDst); - if (numRects && width && height) { - if(!(pptSrc = (DDXPointPtr)xalloc(numRects * - sizeof(DDXPointRec)))) { - REGION_UNINIT(pGC->pScreen, &rgnDst); - if (freeSrcClip) - REGION_DESTROY(pGC->pScreen, prgnSrcClip); - return NULL; - } - pbox = REGION_RECTS(&rgnDst); - ppt = pptSrc; - for (i = numRects; --i >= 0; pbox++, ppt++) { - ppt->x = pbox->x1 + dx; - ppt->y = pbox->y1 + dy; - } - - (*doBitBlt)(pSrcDrawable, pDstDrawable, pGC->alu, &rgnDst, pptSrc, - planemask); - - xfree(pptSrc); - } - - prgnExposed = NULL; - if (pGC->fExpose) { - /* Pixmap sources generate a NoExposed (we return NULL to do this) */ - if (!fastExpose) - prgnExposed = miHandleExposures(pSrcDrawable, pDstDrawable, pGC, - origSource.x, origSource.y, - (int)origSource.width, - (int)origSource.height, origDest.x, - origDest.y, (unsigned long)0); - } - REGION_UNINIT(pGC->pScreen, &rgnDst); - if (freeSrcClip) - REGION_DESTROY(pGC->pScreen, prgnSrcClip); - return prgnExposed; -} - -RegionPtr -afbCopyArea(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GC *pGC, int srcx, int srcy, int width, int height, int dstx, int dsty) -{ - afb_blit_func doBitBlt; - - switch (pGC->alu) { - case GXcopy: - doBitBlt = afbDoBitbltCopy; - break; - case GXxor: - doBitBlt = afbDoBitbltXor; - break; - case GXcopyInverted: - doBitBlt = afbDoBitbltCopyInverted; - break; - case GXor: - doBitBlt = afbDoBitbltOr; - break; - default: - doBitBlt = afbDoBitbltGeneral; - break; - } - - return(afbBitBlt(pSrcDrawable, pDstDrawable, pGC, srcx, srcy, - width, height, dstx, dsty, doBitBlt, pGC->planemask)); -} |