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/* $XConsortium: $ */
/* $XFree86: xc/programs/Xserver/hw/xfree86/accel/mach64/mach64bstor.c,v 3.0 1994/11/26 12:42:41 dawes Exp $ */
/*-
* mach64bstore.c --
* Functions required by the backing-store implementation in MI.
*
* Copyright (c) 1987 by the Regents of the University of California
* Copyright 1993,1994 by Kevin E. Martin, Chapel Hill, North Carolina.
*
* 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. The University of California
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
*
* Modified for the 8514/A by Kevin E. Martin (martin@cs.unc.edu)
*
* KEVIN E. MARTIN AND RICKARD E. FAITH DISCLAIM ALL WARRANTIES WITH REGARD
* TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL KEVIN E. MARTIN 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.
*
* Modified for the Mach-8 by Rickard E. Faith (faith@cs.unc.edu)
* Modified for the Mach32 by Kevin E. Martin (martin@cs.unc.edu)
* Modified for the Mach64 by Kevin E. Martin (martin@cs.unc.edu)
*/
#include "X.h"
#include "cfb.h"
#include "cfb16.h"
#include "cfb32.h"
#include "mibstore.h"
#include "regionstr.h"
#include "scrnintstr.h"
#include "pixmapstr.h"
#include "windowstr.h"
#include "mach64.h"
void
mach64SaveAreas(pPixmap, prgnSave, xorg, yorg, pWin)
PixmapPtr pPixmap; /* Backing pixmap */
RegionPtr prgnSave; /* Region to save (pixmap-relative) */
int xorg; /* X origin of region */
int yorg; /* Y origin of region */
WindowPtr pWin;
{
register BoxPtr pBox;
register int i;
int pixWidth;
if (!xf86VTSema)
{
switch (pPixmap->drawable.bitsPerPixel)
{
case 8:
cfbSaveAreas(pPixmap, prgnSave, xorg, yorg, pWin);
break;
case 16:
cfb16SaveAreas(pPixmap, prgnSave, xorg, yorg, pWin);
break;
case 32:
cfb32SaveAreas(pPixmap, prgnSave, xorg, yorg, pWin);
break;
default:
ErrorF("mach64SaveAreas: unsupported depth %d \n",
pPixmap->drawable.bitsPerPixel);
}
return;
}
i = REGION_NUM_RECTS(prgnSave);
pBox = REGION_RECTS(prgnSave);
pixWidth = PixmapBytePad(pPixmap->drawable.width, pPixmap->drawable.depth);
while (i--) {
(mach64ImageReadFunc)(pBox->x1 + xorg, pBox->y1 + yorg,
pBox->x2 - pBox->x1, pBox->y2 - pBox->y1,
pPixmap->devPrivate.ptr, pixWidth,
pBox->x1, pBox->y1, ~0);
pBox++;
}
WaitIdleEmpty(); /* Make sure that all commands have finished */
}
void
mach64RestoreAreas(pPixmap, prgnRestore, xorg, yorg, pWin)
PixmapPtr pPixmap; /* Backing pixmap */
RegionPtr prgnRestore; /* Region to restore (screen-relative)*/
int xorg; /* X origin of window */
int yorg; /* Y origin of window */
WindowPtr pWin;
{
register BoxPtr pBox;
register int i;
int pixWidth;
if (!xf86VTSema)
{
switch (pPixmap->drawable.bitsPerPixel)
{
case 8:
cfbRestoreAreas(pPixmap, prgnRestore, xorg, yorg, pWin);
break;
case 16:
cfb16RestoreAreas(pPixmap, prgnRestore, xorg, yorg, pWin);
break;
case 32:
cfb32RestoreAreas(pPixmap, prgnRestore, xorg, yorg, pWin);
break;
default:
ErrorF("mach64RestoreAreas: unsupported depth %d \n",
pPixmap->drawable.bitsPerPixel);
}
return;
}
i = REGION_NUM_RECTS(prgnRestore);
pBox = REGION_RECTS(prgnRestore);
pixWidth = PixmapBytePad(pPixmap->drawable.width, pPixmap->drawable.depth);
while (i--) {
(mach64ImageWriteFunc)(pBox->x1, pBox->y1,
pBox->x2 - pBox->x1, pBox->y2 - pBox->y1,
pPixmap->devPrivate.ptr, pixWidth,
pBox->x1 - xorg, pBox->y1 - yorg,
mach64alu[GXcopy], 0xffffffff);
pBox++;
}
WaitIdleEmpty(); /* Make sure that all commands have finished */
}
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