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/*
* Copyright 2001 Red Hat Inc., Durham, North Carolina.
*
* All Rights Reserved.
*
* 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 on 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 (including the
* next paragraph) 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
* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
* 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.
*/
/*
* Authors:
* Kevin E. Martin <kem@redhat.com>
* David H. Dawes <dawes@xfree86.org>
*
*/
#ifdef HAVE_DMX_CONFIG_H
#include <dmx-config.h>
#endif
#include "dmx.h"
#include "dmxsync.h"
#include "dmxshadow.h"
/** \file
* This file provides support for the shadow frame buffer. */
/** Update the screen from the shadow frame buffer. */
void dmxShadowUpdateProc(ScreenPtr pScreen, shadowBufPtr pBuf)
{
RegionPtr damage = &pBuf->damage;
int nbox = RegionNumRects(damage);
BoxPtr pbox = RegionRects(damage);
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
if (!dmxScreen->beDisplay)
return;
while (nbox--) {
XPutImage(dmxScreen->beDisplay,
dmxScreen->scrnWin,
dmxScreen->shadowGC,
dmxScreen->shadowFBImage,
pbox->x1, pbox->y1,
pbox->x1, pbox->y1,
pbox->x2 - pbox->x1,
pbox->y2 - pbox->y1);
pbox++;
}
dmxSync(dmxScreen, FALSE);
}
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