71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
/*
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* Copyright 2001 Red Hat Inc., Durham, North Carolina.
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*
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation on the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/*
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* Authors:
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* Kevin E. Martin <kem@redhat.com>
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* David H. Dawes <dawes@xfree86.org>
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*
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*/
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#ifdef HAVE_DMX_CONFIG_H
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#include <dmx-config.h>
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#endif
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#include "dmx.h"
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#include "dmxsync.h"
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#include "dmxshadow.h"
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/** \file
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* This file provides support for the shadow frame buffer. */
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/** Update the screen from the shadow frame buffer. */
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void
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dmxShadowUpdateProc(ScreenPtr pScreen, shadowBufPtr pBuf)
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{
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RegionPtr damage = &pBuf->damage;
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int nbox = RegionNumRects(damage);
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BoxPtr pbox = RegionRects(damage);
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DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
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if (!dmxScreen->beDisplay)
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return;
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while (nbox--) {
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XPutImage(dmxScreen->beDisplay,
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dmxScreen->scrnWin,
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dmxScreen->shadowGC,
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dmxScreen->shadowFBImage,
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pbox->x1, pbox->y1,
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pbox->x1, pbox->y1, pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
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pbox++;
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}
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dmxSync(dmxScreen, FALSE);
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}
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