/* * 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); }