930 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			930 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the next
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 * paragraph) shall be included in all copies or substantial portions of the
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 * Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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 * DEALINGS IN THE SOFTWARE.
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 *
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 * Copyright © 2003 Keith Packard
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 *
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 * Permission to use, copy, modify, distribute, and sell this software and its
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 * documentation for any purpose is hereby granted without fee, provided that
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 * the above copyright notice appear in all copies and that both that
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 * copyright notice and this permission notice appear in supporting
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 * documentation, and that the name of Keith Packard not be used in
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 * advertising or publicity pertaining to distribution of the software without
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 * specific, written prior permission.  Keith Packard makes no
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 * representations about the suitability of this software for any purpose.  It
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 * is provided "as is" without express or implied warranty.
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 *
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 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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 * PERFORMANCE OF THIS SOFTWARE.
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 */
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "compint.h"
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#include "xace.h"
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#include "protocol-versions.h"
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static CARD8	CompositeReqCode;
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static DevPrivateKeyRec CompositeClientPrivateKeyRec;
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#define CompositeClientPrivateKey (&CompositeClientPrivateKeyRec)
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RESTYPE		CompositeClientWindowType;
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RESTYPE		CompositeClientSubwindowsType;
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RESTYPE		CompositeClientOverlayType;
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typedef struct _CompositeClient {
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    int	    major_version;
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    int	    minor_version;
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} CompositeClientRec, *CompositeClientPtr;
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#define GetCompositeClient(pClient) ((CompositeClientPtr) \
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    dixLookupPrivate(&(pClient)->devPrivates, CompositeClientPrivateKey))
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static void
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CompositeClientCallback (CallbackListPtr	*list,
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		      pointer		closure,
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		      pointer		data)
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{
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    NewClientInfoRec	*clientinfo = (NewClientInfoRec *) data;
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    ClientPtr		pClient = clientinfo->client;
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    CompositeClientPtr	pCompositeClient = GetCompositeClient (pClient);
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    pCompositeClient->major_version = 0;
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    pCompositeClient->minor_version = 0;
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}
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static int
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FreeCompositeClientWindow (pointer value, XID ccwid)
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{
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    WindowPtr	pWin = value;
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    compFreeClientWindow (pWin, ccwid);
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    return Success;
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}
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static int
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FreeCompositeClientSubwindows (pointer value, XID ccwid)
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{
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    WindowPtr	pWin = value;
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    compFreeClientSubwindows (pWin, ccwid);
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    return Success;
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}
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static int
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FreeCompositeClientOverlay (pointer value, XID ccwid)
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{
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    CompOverlayClientPtr pOc = (CompOverlayClientPtr) value;
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    compFreeOverlayClient (pOc);
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    return Success;
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}
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static int
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ProcCompositeQueryVersion (ClientPtr client)
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{
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    CompositeClientPtr pCompositeClient = GetCompositeClient (client);
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    xCompositeQueryVersionReply rep;
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    register int n;
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    REQUEST(xCompositeQueryVersionReq);
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    REQUEST_SIZE_MATCH(xCompositeQueryVersionReq);
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    rep.type = X_Reply;
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    rep.length = 0;
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    rep.sequenceNumber = client->sequence;
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    if (stuff->majorVersion < SERVER_COMPOSITE_MAJOR_VERSION) {
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	rep.majorVersion = stuff->majorVersion;
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	rep.minorVersion = stuff->minorVersion;
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    } else {
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	rep.majorVersion = SERVER_COMPOSITE_MAJOR_VERSION;
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        rep.minorVersion = SERVER_COMPOSITE_MINOR_VERSION;
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    }
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    pCompositeClient->major_version = rep.majorVersion;
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    pCompositeClient->minor_version = rep.minorVersion;
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    if (client->swapped) {
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    	swaps(&rep.sequenceNumber, n);
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    	swapl(&rep.length, n);
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	swapl(&rep.majorVersion, n);
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	swapl(&rep.minorVersion, n);
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    }
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    WriteToClient(client, sizeof(xCompositeQueryVersionReply), (char *)&rep);
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    return Success;
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}
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#define VERIFY_WINDOW(pWindow, wid, client, mode)			\
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    do {								\
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	int err;							\
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	err = dixLookupResourceByType((pointer *) &pWindow, wid,	\
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				      RT_WINDOW, client, mode);		\
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	if (err != Success) {						\
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	    client->errorValue = wid;					\
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	    return err;							\
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	}								\
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    } while (0)
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static int
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ProcCompositeRedirectWindow (ClientPtr client)
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{
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    WindowPtr	pWin;
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    REQUEST(xCompositeRedirectWindowReq);
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    REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq);
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    VERIFY_WINDOW(pWin, stuff->window, client,
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		  DixSetAttrAccess|DixManageAccess|DixBlendAccess);
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    return compRedirectWindow (client, pWin, stuff->update);
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}
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static int
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ProcCompositeRedirectSubwindows (ClientPtr client)
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{
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    WindowPtr	pWin;
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    REQUEST(xCompositeRedirectSubwindowsReq);
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    REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq);
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    VERIFY_WINDOW(pWin, stuff->window, client,
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		  DixSetAttrAccess|DixManageAccess|DixBlendAccess);
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    return compRedirectSubwindows (client, pWin, stuff->update);
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}
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static int
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ProcCompositeUnredirectWindow (ClientPtr client)
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{
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    WindowPtr	pWin;
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    REQUEST(xCompositeUnredirectWindowReq);
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    REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq);
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    VERIFY_WINDOW(pWin, stuff->window, client,
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		  DixSetAttrAccess|DixManageAccess|DixBlendAccess);
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    return compUnredirectWindow (client, pWin, stuff->update);
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}
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static int
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ProcCompositeUnredirectSubwindows (ClientPtr client)
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{
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    WindowPtr	pWin;
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    REQUEST(xCompositeUnredirectSubwindowsReq);
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    REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq);
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    VERIFY_WINDOW(pWin, stuff->window, client,
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		  DixSetAttrAccess|DixManageAccess|DixBlendAccess);
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    return compUnredirectSubwindows (client, pWin, stuff->update);
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}
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static int
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ProcCompositeCreateRegionFromBorderClip (ClientPtr client)
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{
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    WindowPtr	    pWin;
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    CompWindowPtr   cw;
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    RegionPtr	    pBorderClip, pRegion;
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    REQUEST(xCompositeCreateRegionFromBorderClipReq);
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    REQUEST_SIZE_MATCH(xCompositeCreateRegionFromBorderClipReq);
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    VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess);
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    LEGAL_NEW_RESOURCE (stuff->region, client);
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    cw = GetCompWindow (pWin);
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    if (cw)
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	pBorderClip = &cw->borderClip;
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    else
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	pBorderClip = &pWin->borderClip;
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    pRegion = XFixesRegionCopy (pBorderClip);
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    if (!pRegion)
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	return BadAlloc;
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    RegionTranslate(pRegion, -pWin->drawable.x, -pWin->drawable.y);
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    if (!AddResource (stuff->region, RegionResType, (pointer) pRegion))
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	return BadAlloc;
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    return Success;
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}
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static int
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ProcCompositeNameWindowPixmap (ClientPtr client)
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{
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    WindowPtr	    pWin;
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    CompWindowPtr   cw;
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    PixmapPtr	    pPixmap;
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    int rc;
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    REQUEST(xCompositeNameWindowPixmapReq);
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    REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq);
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    VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess);
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    if (!pWin->viewable)
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	return BadMatch;
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    LEGAL_NEW_RESOURCE (stuff->pixmap, client);
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    cw = GetCompWindow (pWin);
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    if (!cw)
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	return BadMatch;
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    pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin);
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    if (!pPixmap)
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	return BadMatch;
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    /* security creation/labeling check */
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    rc = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pixmap, RT_PIXMAP,
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		  pPixmap, RT_WINDOW, pWin, DixCreateAccess);
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    if (rc != Success)
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	return rc;
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    ++pPixmap->refcnt;
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    if (!AddResource (stuff->pixmap, RT_PIXMAP, (pointer) pPixmap))
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	return BadAlloc;
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    return Success;
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}
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static int
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ProcCompositeGetOverlayWindow (ClientPtr client)
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{
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    REQUEST(xCompositeGetOverlayWindowReq); 
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    xCompositeGetOverlayWindowReply rep;
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    WindowPtr pWin;
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    ScreenPtr pScreen;
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    CompScreenPtr cs;
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    CompOverlayClientPtr pOc;
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    int rc;
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    REQUEST_SIZE_MATCH(xCompositeGetOverlayWindowReq);
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    VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess);
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    pScreen = pWin->drawable.pScreen;
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    /* 
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     * Create an OverlayClient structure to mark this client's
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     * interest in the overlay window
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     */
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    pOc = compCreateOverlayClient(pScreen, client);
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    if (pOc == NULL)
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	return BadAlloc;
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    /*
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     * Make sure the overlay window exists
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     */
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    cs = GetCompScreen(pScreen);
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    if (cs->pOverlayWin == NULL)
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	if (!compCreateOverlayWindow(pScreen))
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	{
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	    FreeResource (pOc->resource, RT_NONE);
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	    return BadAlloc;
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	}
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    rc = XaceHook(XACE_RESOURCE_ACCESS, client, cs->pOverlayWin->drawable.id,
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		  RT_WINDOW, cs->pOverlayWin, RT_NONE, NULL, DixGetAttrAccess);
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    if (rc != Success)
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    {
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	FreeResource (pOc->resource, RT_NONE);
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	return rc;
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    }
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    rep.type = X_Reply;
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    rep.sequenceNumber = client->sequence;
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    rep.length = 0;
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    rep.overlayWin = cs->pOverlayWin->drawable.id;
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    if (client->swapped)
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    {
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	int n;
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	swaps(&rep.sequenceNumber, n);
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    	swapl(&rep.length, n);
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	swapl(&rep.overlayWin, n);
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    }
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    (void) WriteToClient(client, sz_xCompositeGetOverlayWindowReply, (char *)&rep);
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    return Success;
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}
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static int
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ProcCompositeReleaseOverlayWindow (ClientPtr client)
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{
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    REQUEST(xCompositeReleaseOverlayWindowReq); 
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    WindowPtr pWin;
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    ScreenPtr pScreen;
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    CompOverlayClientPtr pOc;
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    REQUEST_SIZE_MATCH(xCompositeReleaseOverlayWindowReq);
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    VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess);
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    pScreen = pWin->drawable.pScreen;
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    /* 
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     * Has client queried a reference to the overlay window
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     * on this screen? If not, generate an error.
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     */
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    pOc = compFindOverlayClient (pWin->drawable.pScreen, client);
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    if (pOc == NULL)
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	return BadMatch;
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    /* The delete function will free the client structure */
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    FreeResource (pOc->resource, RT_NONE);
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    return Success;
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}
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static int (*ProcCompositeVector[CompositeNumberRequests])(ClientPtr) = {
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    ProcCompositeQueryVersion,
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    ProcCompositeRedirectWindow,
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    ProcCompositeRedirectSubwindows,
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    ProcCompositeUnredirectWindow,
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    ProcCompositeUnredirectSubwindows,
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    ProcCompositeCreateRegionFromBorderClip,
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    ProcCompositeNameWindowPixmap,
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    ProcCompositeGetOverlayWindow,
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    ProcCompositeReleaseOverlayWindow,
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};
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static int
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ProcCompositeDispatch (ClientPtr client)
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{
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    REQUEST(xReq);
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    if (stuff->data < CompositeNumberRequests)
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	return (*ProcCompositeVector[stuff->data]) (client);
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    else
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	return BadRequest;
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}
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static int
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SProcCompositeQueryVersion (ClientPtr client)
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{
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    int n;
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    REQUEST(xCompositeQueryVersionReq);
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    swaps(&stuff->length, n);
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    REQUEST_SIZE_MATCH(xCompositeQueryVersionReq);
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    swapl(&stuff->majorVersion, n);
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    swapl(&stuff->minorVersion, n);
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    return (*ProcCompositeVector[stuff->compositeReqType]) (client);
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}
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static int
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SProcCompositeRedirectWindow (ClientPtr client)
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{
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    int n;
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    REQUEST(xCompositeRedirectWindowReq);
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    swaps(&stuff->length, n);
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    REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq);
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    swapl (&stuff->window, n);
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    return (*ProcCompositeVector[stuff->compositeReqType]) (client);
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}
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static int
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SProcCompositeRedirectSubwindows (ClientPtr client)
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{
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    int n;
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    REQUEST(xCompositeRedirectSubwindowsReq);
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    swaps(&stuff->length, n);
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    REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq);
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    swapl (&stuff->window, n);
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    return (*ProcCompositeVector[stuff->compositeReqType]) (client);
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}
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static int
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SProcCompositeUnredirectWindow (ClientPtr client)
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{
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    int n;
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    REQUEST(xCompositeUnredirectWindowReq);
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    swaps(&stuff->length, n);
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    REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq);
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    swapl (&stuff->window, n);
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    return (*ProcCompositeVector[stuff->compositeReqType]) (client);
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}
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static int
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SProcCompositeUnredirectSubwindows (ClientPtr client)
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{
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    int n;
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    REQUEST(xCompositeUnredirectSubwindowsReq);
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    swaps(&stuff->length, n);
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    REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq);
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    swapl (&stuff->window, n);
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    return (*ProcCompositeVector[stuff->compositeReqType]) (client);
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}
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static int
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SProcCompositeCreateRegionFromBorderClip (ClientPtr client)
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{
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    int n;
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    REQUEST(xCompositeCreateRegionFromBorderClipReq);
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    swaps(&stuff->length, n);
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    REQUEST_SIZE_MATCH(xCompositeCreateRegionFromBorderClipReq);
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    swapl (&stuff->region, n);
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    swapl (&stuff->window, n);
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    return (*ProcCompositeVector[stuff->compositeReqType]) (client);
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}
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static int
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SProcCompositeNameWindowPixmap (ClientPtr client)
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{
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    int n;
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    REQUEST(xCompositeNameWindowPixmapReq);
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    swaps(&stuff->length, n);
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    REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq);
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    swapl (&stuff->window, n);
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    swapl (&stuff->pixmap, n);
 | 
						|
    return (*ProcCompositeVector[stuff->compositeReqType]) (client);
 | 
						|
}
 | 
						|
 | 
						|
static int
 | 
						|
SProcCompositeGetOverlayWindow (ClientPtr client)
 | 
						|
{
 | 
						|
    int n;
 | 
						|
    REQUEST(xCompositeGetOverlayWindowReq);
 | 
						|
 | 
						|
    swaps (&stuff->length, n);
 | 
						|
    REQUEST_SIZE_MATCH(xCompositeGetOverlayWindowReq);
 | 
						|
    swapl(&stuff->window, n);
 | 
						|
    return (*ProcCompositeVector[stuff->compositeReqType]) (client);
 | 
						|
}
 | 
						|
 | 
						|
static int
 | 
						|
SProcCompositeReleaseOverlayWindow (ClientPtr client)
 | 
						|
{
 | 
						|
    int n;
 | 
						|
    REQUEST(xCompositeReleaseOverlayWindowReq);
 | 
						|
 | 
						|
    swaps (&stuff->length, n);
 | 
						|
    REQUEST_SIZE_MATCH(xCompositeReleaseOverlayWindowReq);
 | 
						|
    swapl(&stuff->window, n);
 | 
						|
    return (*ProcCompositeVector[stuff->compositeReqType]) (client);
 | 
						|
}
 | 
						|
 | 
						|
static int (*SProcCompositeVector[CompositeNumberRequests])(ClientPtr) = {
 | 
						|
    SProcCompositeQueryVersion,
 | 
						|
    SProcCompositeRedirectWindow,
 | 
						|
    SProcCompositeRedirectSubwindows,
 | 
						|
    SProcCompositeUnredirectWindow,
 | 
						|
    SProcCompositeUnredirectSubwindows,
 | 
						|
    SProcCompositeCreateRegionFromBorderClip,
 | 
						|
    SProcCompositeNameWindowPixmap,
 | 
						|
    SProcCompositeGetOverlayWindow,
 | 
						|
    SProcCompositeReleaseOverlayWindow,
 | 
						|
};
 | 
						|
 | 
						|
static int
 | 
						|
SProcCompositeDispatch (ClientPtr client)
 | 
						|
{
 | 
						|
    REQUEST(xReq);
 | 
						|
    
 | 
						|
    if (stuff->data < CompositeNumberRequests)
 | 
						|
	return (*SProcCompositeVector[stuff->data]) (client);
 | 
						|
    else
 | 
						|
	return BadRequest;
 | 
						|
}
 | 
						|
 | 
						|
void
 | 
						|
CompositeExtensionInit (void)
 | 
						|
{
 | 
						|
    ExtensionEntry  *extEntry;
 | 
						|
    int		    s;
 | 
						|
 | 
						|
    /* Assume initialization is going to fail */
 | 
						|
    noCompositeExtension = TRUE;
 | 
						|
 | 
						|
    for (s = 0; s < screenInfo.numScreens; s++) {
 | 
						|
	ScreenPtr pScreen = screenInfo.screens[s];
 | 
						|
	VisualPtr vis;
 | 
						|
 | 
						|
	/* Composite on 8bpp pseudocolor root windows appears to fail, so
 | 
						|
	 * just disable it on anything pseudocolor for safety.
 | 
						|
	 */
 | 
						|
	for (vis = pScreen->visuals; vis->vid != pScreen->rootVisual; vis++)
 | 
						|
	    ;
 | 
						|
	if ((vis->class | DynamicClass) == PseudoColor)
 | 
						|
	    return;
 | 
						|
 | 
						|
	/* Ensure that Render is initialized, which is required for automatic
 | 
						|
	 * compositing.
 | 
						|
	 */
 | 
						|
	if (GetPictureScreenIfSet(pScreen) == NULL)
 | 
						|
	    return;
 | 
						|
    }
 | 
						|
 | 
						|
    CompositeClientWindowType = CreateNewResourceType
 | 
						|
	(FreeCompositeClientWindow, "CompositeClientWindow");
 | 
						|
    if (!CompositeClientWindowType)
 | 
						|
	return;
 | 
						|
 | 
						|
    CompositeClientSubwindowsType = CreateNewResourceType
 | 
						|
	(FreeCompositeClientSubwindows, "CompositeClientSubwindows");
 | 
						|
    if (!CompositeClientSubwindowsType)
 | 
						|
	return;
 | 
						|
 | 
						|
    CompositeClientOverlayType = CreateNewResourceType
 | 
						|
	(FreeCompositeClientOverlay, "CompositeClientOverlay");
 | 
						|
    if (!CompositeClientOverlayType)
 | 
						|
	return;
 | 
						|
 | 
						|
    if (!dixRegisterPrivateKey(&CompositeClientPrivateKeyRec, PRIVATE_CLIENT,
 | 
						|
			       sizeof(CompositeClientRec)))
 | 
						|
	return;
 | 
						|
 | 
						|
    if (!AddCallback (&ClientStateCallback, CompositeClientCallback, 0))
 | 
						|
	return;
 | 
						|
 | 
						|
    for (s = 0; s < screenInfo.numScreens; s++)
 | 
						|
	if (!compScreenInit (screenInfo.screens[s]))
 | 
						|
	    return;
 | 
						|
 | 
						|
    extEntry = AddExtension (COMPOSITE_NAME, 0, 0,
 | 
						|
			     ProcCompositeDispatch, SProcCompositeDispatch,
 | 
						|
			     NULL, StandardMinorOpcode);
 | 
						|
    if (!extEntry)
 | 
						|
	return;
 | 
						|
    CompositeReqCode = (CARD8) extEntry->base;
 | 
						|
 | 
						|
    miRegisterRedirectBorderClipProc (compSetRedirectBorderClip,
 | 
						|
				      compGetRedirectBorderClip);
 | 
						|
 | 
						|
    /* Initialization succeeded */
 | 
						|
    noCompositeExtension = FALSE;
 | 
						|
}
 | 
						|
 | 
						|
#ifdef PANORAMIX
 | 
						|
#include "panoramiXsrv.h"
 | 
						|
 | 
						|
int (*PanoramiXSaveCompositeVector[CompositeNumberRequests]) (ClientPtr);
 | 
						|
 | 
						|
static int
 | 
						|
PanoramiXCompositeRedirectWindow (ClientPtr client)
 | 
						|
{
 | 
						|
    PanoramiXRes *win;
 | 
						|
    int rc = 0, j;
 | 
						|
    REQUEST(xCompositeRedirectWindowReq);
 | 
						|
 | 
						|
    REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq);
 | 
						|
 | 
						|
    if ((rc = dixLookupResourceByType((void **)&win, stuff->window, XRT_WINDOW,
 | 
						|
				      client, DixUnknownAccess))) {
 | 
						|
	client->errorValue = stuff->window;
 | 
						|
	return rc;
 | 
						|
    }
 | 
						|
 | 
						|
    FOR_NSCREENS_FORWARD(j) {
 | 
						|
	stuff->window = win->info[j].id;
 | 
						|
	rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client);
 | 
						|
	if (rc != Success) break;
 | 
						|
    }
 | 
						|
 | 
						|
    return rc;
 | 
						|
}
 | 
						|
 | 
						|
static int
 | 
						|
PanoramiXCompositeRedirectSubwindows (ClientPtr client)
 | 
						|
{
 | 
						|
    PanoramiXRes *win;
 | 
						|
    int rc = 0, j;
 | 
						|
    REQUEST(xCompositeRedirectSubwindowsReq);
 | 
						|
 | 
						|
    REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq);
 | 
						|
 | 
						|
    if ((rc = dixLookupResourceByType((void **)&win, stuff->window, XRT_WINDOW,
 | 
						|
				      client, DixUnknownAccess))) {
 | 
						|
	client->errorValue = stuff->window;
 | 
						|
	return rc;
 | 
						|
    }
 | 
						|
 | 
						|
    FOR_NSCREENS_FORWARD(j) {
 | 
						|
	stuff->window = win->info[j].id;
 | 
						|
	rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client);
 | 
						|
	if (rc != Success) break;
 | 
						|
    }
 | 
						|
 | 
						|
    return rc;
 | 
						|
}
 | 
						|
 | 
						|
static int
 | 
						|
PanoramiXCompositeUnredirectWindow (ClientPtr client)
 | 
						|
{
 | 
						|
    PanoramiXRes *win;
 | 
						|
    int rc = 0, j;
 | 
						|
    REQUEST(xCompositeUnredirectWindowReq);
 | 
						|
 | 
						|
    REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq);
 | 
						|
 | 
						|
    if ((rc = dixLookupResourceByType((void **)&win, stuff->window, XRT_WINDOW,
 | 
						|
				      client, DixUnknownAccess))) {
 | 
						|
	client->errorValue = stuff->window;
 | 
						|
	return rc;
 | 
						|
    }
 | 
						|
 | 
						|
    FOR_NSCREENS_FORWARD(j) {
 | 
						|
	stuff->window = win->info[j].id;
 | 
						|
	rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client);
 | 
						|
	if (rc != Success) break;
 | 
						|
    }
 | 
						|
 | 
						|
    return rc;
 | 
						|
}
 | 
						|
 | 
						|
static int
 | 
						|
PanoramiXCompositeUnredirectSubwindows (ClientPtr client)
 | 
						|
{
 | 
						|
    PanoramiXRes *win;
 | 
						|
    int rc = 0, j;
 | 
						|
    REQUEST(xCompositeUnredirectSubwindowsReq);
 | 
						|
 | 
						|
    REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq);
 | 
						|
 | 
						|
    if ((rc = dixLookupResourceByType((void **)&win, stuff->window, XRT_WINDOW,
 | 
						|
				      client, DixUnknownAccess))) {
 | 
						|
	client->errorValue = stuff->window;
 | 
						|
	return rc;
 | 
						|
    }
 | 
						|
 | 
						|
    FOR_NSCREENS_FORWARD(j) {
 | 
						|
	stuff->window = win->info[j].id;
 | 
						|
	rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client);
 | 
						|
	if (rc != Success) break;
 | 
						|
    }
 | 
						|
 | 
						|
    return rc;
 | 
						|
}
 | 
						|
 | 
						|
static int
 | 
						|
PanoramiXCompositeNameWindowPixmap (ClientPtr client)
 | 
						|
{
 | 
						|
    WindowPtr	    pWin;
 | 
						|
    CompWindowPtr   cw;
 | 
						|
    PixmapPtr	    pPixmap;
 | 
						|
    int rc;
 | 
						|
    PanoramiXRes *win, *newPix;
 | 
						|
    int i;
 | 
						|
    REQUEST(xCompositeNameWindowPixmapReq);
 | 
						|
 | 
						|
    REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq);
 | 
						|
 | 
						|
    if ((rc = dixLookupResourceByType((void **)&win, stuff->window, XRT_WINDOW,
 | 
						|
				      client, DixUnknownAccess))) {
 | 
						|
	client->errorValue = stuff->window;
 | 
						|
	return rc;
 | 
						|
    }
 | 
						|
 | 
						|
    LEGAL_NEW_RESOURCE (stuff->pixmap, client);
 | 
						|
 | 
						|
    if(!(newPix = malloc(sizeof(PanoramiXRes))))
 | 
						|
	return BadAlloc;
 | 
						|
 | 
						|
    newPix->type = XRT_PIXMAP;
 | 
						|
    newPix->u.pix.shared = FALSE;
 | 
						|
    panoramix_setup_ids(newPix, client, stuff->pixmap);
 | 
						|
 | 
						|
    FOR_NSCREENS(i) {
 | 
						|
	rc = dixLookupResourceByType ((void **) &pWin, win->info[i].id,
 | 
						|
				      RT_WINDOW, client, DixGetAttrAccess);
 | 
						|
	if (rc != Success)
 | 
						|
	{
 | 
						|
	    client->errorValue = stuff->window;
 | 
						|
	    free (newPix);
 | 
						|
	    return rc;
 | 
						|
	}
 | 
						|
 | 
						|
	if (!pWin->viewable)
 | 
						|
	{
 | 
						|
	    free (newPix);
 | 
						|
	    return BadMatch;
 | 
						|
	}
 | 
						|
 | 
						|
	cw = GetCompWindow (pWin);
 | 
						|
	if (!cw)
 | 
						|
	{
 | 
						|
	    free (newPix);
 | 
						|
	    return BadMatch;
 | 
						|
	}
 | 
						|
 | 
						|
	pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin);
 | 
						|
	if (!pPixmap)
 | 
						|
	{
 | 
						|
	    free (newPix);
 | 
						|
	    return BadMatch;
 | 
						|
	}
 | 
						|
 | 
						|
	if (!AddResource (newPix->info[i].id, RT_PIXMAP,
 | 
						|
			  (pointer) pPixmap))
 | 
						|
	    return BadAlloc;
 | 
						|
 | 
						|
	++pPixmap->refcnt;
 | 
						|
    }
 | 
						|
 | 
						|
    if (!AddResource (stuff->pixmap, XRT_PIXMAP, (pointer) newPix))
 | 
						|
	return BadAlloc;
 | 
						|
 | 
						|
    return Success;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static int
 | 
						|
PanoramiXCompositeGetOverlayWindow (ClientPtr client)
 | 
						|
{
 | 
						|
    REQUEST(xCompositeGetOverlayWindowReq);
 | 
						|
    xCompositeGetOverlayWindowReply rep;
 | 
						|
    WindowPtr pWin;
 | 
						|
    ScreenPtr pScreen;
 | 
						|
    CompScreenPtr cs;
 | 
						|
    CompOverlayClientPtr pOc;
 | 
						|
    int rc;
 | 
						|
    PanoramiXRes *win, *overlayWin = NULL;
 | 
						|
    int i;
 | 
						|
 | 
						|
    REQUEST_SIZE_MATCH(xCompositeGetOverlayWindowReq);
 | 
						|
 | 
						|
    if ((rc = dixLookupResourceByType((void **)&win, stuff->window, XRT_WINDOW,
 | 
						|
				      client, DixUnknownAccess))) {
 | 
						|
	client->errorValue = stuff->window;
 | 
						|
	return rc;
 | 
						|
    }
 | 
						|
 | 
						|
    cs = GetCompScreen(screenInfo.screens[0]);
 | 
						|
    if (!cs->pOverlayWin)
 | 
						|
    {
 | 
						|
	if(!(overlayWin = malloc(sizeof(PanoramiXRes))))
 | 
						|
	    return BadAlloc;
 | 
						|
 | 
						|
	overlayWin->type = XRT_WINDOW;
 | 
						|
	overlayWin->u.win.root = FALSE;
 | 
						|
    }
 | 
						|
 | 
						|
    FOR_NSCREENS_BACKWARD(i) {
 | 
						|
	rc = dixLookupResourceByType((pointer *)&pWin, win->info[i].id,
 | 
						|
				     RT_WINDOW, client, DixGetAttrAccess);
 | 
						|
	if (rc != Success)
 | 
						|
	{
 | 
						|
	    client->errorValue = stuff->window;
 | 
						|
	    return rc;
 | 
						|
	}
 | 
						|
	pScreen = pWin->drawable.pScreen;
 | 
						|
 | 
						|
	/*
 | 
						|
	 * Create an OverlayClient structure to mark this client's
 | 
						|
	 * interest in the overlay window
 | 
						|
	 */
 | 
						|
	pOc = compCreateOverlayClient(pScreen, client);
 | 
						|
	if (pOc == NULL)
 | 
						|
	    return BadAlloc;
 | 
						|
 | 
						|
	/*
 | 
						|
	 * Make sure the overlay window exists
 | 
						|
	 */
 | 
						|
	cs = GetCompScreen(pScreen);
 | 
						|
	if (cs->pOverlayWin == NULL)
 | 
						|
	    if (!compCreateOverlayWindow(pScreen))
 | 
						|
	    {
 | 
						|
		FreeResource (pOc->resource, RT_NONE);
 | 
						|
		return BadAlloc;
 | 
						|
	    }
 | 
						|
 | 
						|
	rc = XaceHook(XACE_RESOURCE_ACCESS, client,
 | 
						|
		      cs->pOverlayWin->drawable.id,
 | 
						|
		      RT_WINDOW, cs->pOverlayWin, RT_NONE, NULL,
 | 
						|
		      DixGetAttrAccess);
 | 
						|
	if (rc != Success)
 | 
						|
	{
 | 
						|
	    FreeResource (pOc->resource, RT_NONE);
 | 
						|
	    return rc;
 | 
						|
	}
 | 
						|
    }
 | 
						|
 | 
						|
    if (overlayWin)
 | 
						|
    {
 | 
						|
	FOR_NSCREENS(i) {
 | 
						|
	    cs = GetCompScreen(screenInfo.screens[i]);
 | 
						|
	    overlayWin->info[i].id = cs->pOverlayWin->drawable.id;
 | 
						|
	}
 | 
						|
 | 
						|
	AddResource(overlayWin->info[0].id, XRT_WINDOW, overlayWin);
 | 
						|
    }
 | 
						|
 | 
						|
    cs = GetCompScreen(screenInfo.screens[0]);
 | 
						|
 | 
						|
    rep.type = X_Reply;
 | 
						|
    rep.sequenceNumber = client->sequence;
 | 
						|
    rep.length = 0;
 | 
						|
    rep.overlayWin = cs->pOverlayWin->drawable.id;
 | 
						|
 | 
						|
    if (client->swapped)
 | 
						|
    {
 | 
						|
	int n;
 | 
						|
	swaps(&rep.sequenceNumber, n);
 | 
						|
	swapl(&rep.length, n);
 | 
						|
	swapl(&rep.overlayWin, n);
 | 
						|
    }
 | 
						|
    (void) WriteToClient(client, sz_xCompositeGetOverlayWindowReply, (char *)&rep);
 | 
						|
 | 
						|
    return Success;
 | 
						|
}
 | 
						|
 | 
						|
static int
 | 
						|
PanoramiXCompositeReleaseOverlayWindow (ClientPtr client)
 | 
						|
{
 | 
						|
    REQUEST(xCompositeReleaseOverlayWindowReq);
 | 
						|
    WindowPtr pWin;
 | 
						|
    ScreenPtr pScreen;
 | 
						|
    CompOverlayClientPtr pOc;
 | 
						|
    PanoramiXRes *win;
 | 
						|
    int i, rc;
 | 
						|
 | 
						|
    REQUEST_SIZE_MATCH(xCompositeReleaseOverlayWindowReq);
 | 
						|
 | 
						|
    if ((rc = dixLookupResourceByType((void **)&win, stuff->window, XRT_WINDOW,
 | 
						|
				      client, DixUnknownAccess))) {
 | 
						|
	client->errorValue = stuff->window;
 | 
						|
	return rc;
 | 
						|
    }
 | 
						|
 | 
						|
    FOR_NSCREENS_BACKWARD(i) {
 | 
						|
	if ((rc = dixLookupResourceByType((void **)&pWin, win->info[i].id,
 | 
						|
					  XRT_WINDOW, client,
 | 
						|
					  DixUnknownAccess))) {
 | 
						|
	    client->errorValue = stuff->window;
 | 
						|
	    return rc;
 | 
						|
	}
 | 
						|
	pScreen = pWin->drawable.pScreen;
 | 
						|
 | 
						|
	/*
 | 
						|
	 * Has client queried a reference to the overlay window
 | 
						|
	 * on this screen? If not, generate an error.
 | 
						|
	 */
 | 
						|
	pOc = compFindOverlayClient (pWin->drawable.pScreen, client);
 | 
						|
	if (pOc == NULL)
 | 
						|
	    return BadMatch;
 | 
						|
 | 
						|
	/* The delete function will free the client structure */
 | 
						|
	FreeResource (pOc->resource, RT_NONE);
 | 
						|
    }
 | 
						|
 | 
						|
    return Success;
 | 
						|
}
 | 
						|
 | 
						|
void
 | 
						|
PanoramiXCompositeInit (void)
 | 
						|
{
 | 
						|
    int i;
 | 
						|
 | 
						|
    for (i = 0; i < CompositeNumberRequests; i++)
 | 
						|
	PanoramiXSaveCompositeVector[i] = ProcCompositeVector[i];
 | 
						|
    /*
 | 
						|
     * Stuff in Xinerama aware request processing hooks
 | 
						|
     */
 | 
						|
    ProcCompositeVector[X_CompositeRedirectWindow] =
 | 
						|
	PanoramiXCompositeRedirectWindow;
 | 
						|
    ProcCompositeVector[X_CompositeRedirectSubwindows] =
 | 
						|
	PanoramiXCompositeRedirectSubwindows;
 | 
						|
    ProcCompositeVector[X_CompositeUnredirectWindow] =
 | 
						|
	PanoramiXCompositeUnredirectWindow;
 | 
						|
    ProcCompositeVector[X_CompositeUnredirectSubwindows] =
 | 
						|
	PanoramiXCompositeUnredirectSubwindows;
 | 
						|
    ProcCompositeVector[X_CompositeNameWindowPixmap] =
 | 
						|
	PanoramiXCompositeNameWindowPixmap;
 | 
						|
    ProcCompositeVector[X_CompositeGetOverlayWindow] =
 | 
						|
	PanoramiXCompositeGetOverlayWindow;
 | 
						|
    ProcCompositeVector[X_CompositeReleaseOverlayWindow] =
 | 
						|
	PanoramiXCompositeReleaseOverlayWindow;
 | 
						|
}
 | 
						|
 | 
						|
void
 | 
						|
PanoramiXCompositeReset (void)
 | 
						|
{
 | 
						|
    int i;
 | 
						|
 | 
						|
    for (i = 0; i < CompositeNumberRequests; i++)
 | 
						|
	ProcCompositeVector[i] = PanoramiXSaveCompositeVector[i];
 | 
						|
}
 | 
						|
 | 
						|
#endif
 |