107 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			107 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
| /* $XFree86: xc/programs/Xserver/hw/xfree86/xf8_32bpp/cfbbstore.c,v 1.2 1999/01/31 12:22:17 dawes Exp $ */
 | |
| 
 | |
| #define PSZ 8
 | |
| #ifdef HAVE_XORG_CONFIG_H
 | |
| #include <xorg-config.h>
 | |
| #endif
 | |
| 
 | |
| #include "cfb.h"
 | |
| #undef PSZ
 | |
| #include "cfb32.h"
 | |
| #include "cfb8_32.h"
 | |
| #include <X11/X.h>
 | |
| #include "mibstore.h"
 | |
| #include "regionstr.h"
 | |
| #include "scrnintstr.h"
 | |
| #include "pixmapstr.h"
 | |
| #include "windowstr.h"
 | |
| 
 | |
| void
 | |
| cfb8_32SaveAreas(
 | |
|     PixmapPtr	  	pPixmap,
 | |
|     RegionPtr	  	prgnSave, 
 | |
|     int	    	  	xorg,
 | |
|     int	    	  	yorg,
 | |
|     WindowPtr		pWin
 | |
| ){
 | |
|     DDXPointPtr pPt;
 | |
|     DDXPointPtr	pPtsInit;
 | |
|     BoxPtr	pBox;
 | |
|     int		i;
 | |
|     ScreenPtr	pScreen = pPixmap->drawable.pScreen;
 | |
|     PixmapPtr	pScrPix;
 | |
| 
 | |
|     if(pPixmap->drawable.bitsPerPixel == 32) {
 | |
| 	cfb32SaveAreas(pPixmap, prgnSave, xorg, yorg, pWin);
 | |
| 	return;
 | |
|     }
 | |
|     
 | |
|     i = REGION_NUM_RECTS(prgnSave);
 | |
|     pPtsInit = (DDXPointPtr)ALLOCATE_LOCAL(i * sizeof(DDXPointRec));
 | |
|     if (!pPtsInit)
 | |
| 	return;
 | |
|     
 | |
|     pBox = REGION_RECTS(prgnSave);
 | |
|     pPt = pPtsInit;
 | |
|     while (--i >= 0) {
 | |
| 	pPt->x = pBox->x1 + xorg;
 | |
| 	pPt->y = pBox->y1 + yorg;
 | |
| 	pPt++;
 | |
| 	pBox++;
 | |
|     }
 | |
| 
 | |
|     pScrPix = (PixmapPtr) pScreen->devPrivate;
 | |
| 
 | |
|     cfbDoBitblt32To8((DrawablePtr) pScrPix, (DrawablePtr)pPixmap,
 | |
| 		    GXcopy, prgnSave, pPtsInit, ~0L);
 | |
| 
 | |
|     DEALLOCATE_LOCAL (pPtsInit);
 | |
| }
 | |
| 
 | |
| 
 | |
| void
 | |
| cfb8_32RestoreAreas(
 | |
|     PixmapPtr	  	pPixmap, 
 | |
|     RegionPtr	  	prgnRestore,
 | |
|     int	    	  	xorg,
 | |
|     int	    	  	yorg,
 | |
|     WindowPtr		pWin
 | |
| ){
 | |
|     DDXPointPtr pPt;
 | |
|     DDXPointPtr pPtsInit;
 | |
|     BoxPtr	pBox;
 | |
|     int		i;
 | |
|     ScreenPtr	pScreen = pPixmap->drawable.pScreen;
 | |
|     PixmapPtr	pScrPix;
 | |
| 
 | |
|     i = REGION_NUM_RECTS(prgnRestore);
 | |
|     pPtsInit = (DDXPointPtr)ALLOCATE_LOCAL(i*sizeof(DDXPointRec));
 | |
|     if (!pPtsInit)
 | |
| 	return;
 | |
|     
 | |
|     pBox = REGION_RECTS(prgnRestore);
 | |
|     pPt = pPtsInit;
 | |
|     while (--i >= 0) {
 | |
| 	pPt->x = pBox->x1 - xorg;
 | |
| 	pPt->y = pBox->y1 - yorg;
 | |
| 	pPt++;
 | |
| 	pBox++;
 | |
|     }
 | |
| 
 | |
|     pScrPix = (PixmapPtr) pScreen->devPrivate;
 | |
| 
 | |
|     if(pPixmap->drawable.bitsPerPixel == 32) {
 | |
| 	if(pWin->drawable.depth == 24)
 | |
| 	    cfb32DoBitbltCopy((DrawablePtr)pPixmap, (DrawablePtr) pScrPix,
 | |
| 		    GXcopy, prgnRestore, pPtsInit, 0x00ffffff);
 | |
| 	else
 | |
| 	    cfb32DoBitbltCopy((DrawablePtr)pPixmap, (DrawablePtr) pScrPix,
 | |
| 		    GXcopy, prgnRestore, pPtsInit, ~0);
 | |
|     } else {
 | |
| 	cfbDoBitblt8To32((DrawablePtr)pPixmap, (DrawablePtr) pScrPix,
 | |
| 		    GXcopy, prgnRestore, pPtsInit, ~0L);
 | |
|     }
 | |
| 
 | |
|     DEALLOCATE_LOCAL (pPtsInit);
 | |
| }
 |