xorg-server-1.4/hw/xfree86/xaa/xaaCpyWin.c

   1
   2 #ifdef HAVE_XORG_CONFIG_H
   3 #include <xorg-config.h>
   4 #endif
   5
   6 #include "misc.h"
   7 #include "xf86.h"
   8 #include "xf86_OSproc.h"
   9
  10 #include <X11/X.h>
  11 #include "scrnintstr.h"
  12 #include "windowstr.h"
  13 #include "xf86str.h"
  14 #include "xaa.h"
  15 #include "xaalocal.h"
  16 #include "gcstruct.h"
  17 #include "pixmapstr.h"
  18 #include "xaawrap.h"
  19
  20 /*
  21     Written by Harm Hanemaayer (H.Hanemaayer@inter.nl.net).
  22 */
  23
  24 void
  25 XAACopyWindow(
  26     WindowPtr pWin,
  27     DDXPointRec ptOldOrg,
  28     RegionPtr prgnSrc )
  29 {
  30     DDXPointPtr pptSrc, ppt;
  31     RegionRec rgnDst;
  32     BoxPtr pbox;
  33     int dx, dy, nbox;
  34     WindowPtr pwinRoot;
  35     ScreenPtr pScreen = pWin->drawable.pScreen;
  36     XAAInfoRecPtr infoRec =
  37         GET_XAAINFORECPTR_FROM_DRAWABLE((&pWin->drawable));
  38
  39     if (!infoRec->pScrn->vtSema || !infoRec->ScreenToScreenBitBlt) {
  40         XAA_SCREEN_PROLOGUE (pScreen, CopyWindow);
  41         if(infoRec->pScrn->vtSema && infoRec->NeedToSync) {
  42             (*infoRec->Sync)(infoRec->pScrn);
  43             infoRec->NeedToSync = FALSE;
  44         }
  45         (*pScreen->CopyWindow) (pWin, ptOldOrg, prgnSrc);
  46         XAA_SCREEN_EPILOGUE (pScreen, CopyWindow, XAACopyWindow);
  47         return;
  48     }
  49
  50     pwinRoot = WindowTable[pScreen->myNum];
  51
  52     REGION_NULL(pScreen, &rgnDst);
  53
  54     dx = ptOldOrg.x - pWin->drawable.x;
  55     dy = ptOldOrg.y - pWin->drawable.y;
  56     REGION_TRANSLATE(pScreen, prgnSrc, -dx, -dy);
  57     REGION_INTERSECT(pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
  58
  59     pbox = REGION_RECTS(&rgnDst);
  60     nbox = REGION_NUM_RECTS(&rgnDst);
  61     if(!nbox ||
  62       !(pptSrc = (DDXPointPtr )ALLOCATE_LOCAL(nbox * sizeof(DDXPointRec)))) {
  63         REGION_UNINIT(pScreen, &rgnDst);
  64         return;
  65     }
  66     ppt = pptSrc;
  67
  68     while(nbox--) {
  69         ppt->x = pbox->x1 + dx;
  70         ppt->y = pbox->y1 + dy;
  71         ppt++; pbox++;
  72     }
  73
  74     infoRec->ScratchGC.planemask = ~0L;
  75     infoRec->ScratchGC.alu = GXcopy;
  76
  77     XAADoBitBlt((DrawablePtr)pwinRoot, (DrawablePtr)pwinRoot,
  78                         &(infoRec->ScratchGC), &rgnDst, pptSrc);
  79
  80     DEALLOCATE_LOCAL(pptSrc);
  81     REGION_UNINIT(pScreen, &rgnDst);
  82 }