588 lines
16 KiB
C
588 lines
16 KiB
C
/*
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* Copyright © 2006 Sun Microsystems, Inc. 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 int CompositeClientPrivateKeyIndex;
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static DevPrivateKey CompositeClientPrivateKey = &CompositeClientPrivateKeyIndex;
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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(client->noClientException);
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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 == BadValue) { \
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client->errorValue = wid; \
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return BadWindow; \
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} else 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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REGION_TRANSLATE (pScreen, 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(client->noClientException);
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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(client->noClientException);
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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 client->noClientException;
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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 client->noClientException;
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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);
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return (*ProcCompositeVector[stuff->compositeReqType]) (client);
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}
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static int
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SProcCompositeGetOverlayWindow (ClientPtr client)
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{
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int n;
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REQUEST(xCompositeGetOverlayWindowReq);
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swaps (&stuff->length, n);
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REQUEST_SIZE_MATCH(xCompositeGetOverlayWindowReq);
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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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SProcCompositeReleaseOverlayWindow (ClientPtr client)
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{
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int n;
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REQUEST(xCompositeReleaseOverlayWindowReq);
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swaps (&stuff->length, n);
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REQUEST_SIZE_MATCH(xCompositeReleaseOverlayWindowReq);
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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 (*SProcCompositeVector[CompositeNumberRequests])(ClientPtr) = {
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SProcCompositeQueryVersion,
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SProcCompositeRedirectWindow,
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SProcCompositeRedirectSubwindows,
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SProcCompositeUnredirectWindow,
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SProcCompositeUnredirectSubwindows,
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SProcCompositeCreateRegionFromBorderClip,
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SProcCompositeNameWindowPixmap,
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SProcCompositeGetOverlayWindow,
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SProcCompositeReleaseOverlayWindow,
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};
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static int
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SProcCompositeDispatch (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 (*SProcCompositeVector[stuff->data]) (client);
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else
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return BadRequest;
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}
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void
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CompositeExtensionInit (void)
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{
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ExtensionEntry *extEntry;
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int s;
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/* Assume initialization is going to fail */
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noCompositeExtension = TRUE;
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for (s = 0; s < screenInfo.numScreens; s++) {
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ScreenPtr pScreen = screenInfo.screens[s];
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VisualPtr vis;
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/* Composite on 8bpp pseudocolor root windows appears to fail, so
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* just disable it on anything pseudocolor for safety.
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*/
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for (vis = pScreen->visuals; vis->vid != pScreen->rootVisual; vis++)
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;
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if ((vis->class | DynamicClass) == PseudoColor)
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return;
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/* Ensure that Render is initialized, which is required for automatic
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* compositing.
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*/
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if (GetPictureScreenIfSet(pScreen) == NULL)
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return;
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}
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#ifdef PANORAMIX
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/* Xinerama's rewriting of window drawing before Composite gets to it
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* breaks Composite.
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*/
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if (!noPanoramiXExtension)
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return;
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#endif
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CompositeClientWindowType = CreateNewResourceType
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|
(FreeCompositeClientWindow, "CompositeClientWindow");
|
|
if (!CompositeClientWindowType)
|
|
return;
|
|
|
|
CompositeClientSubwindowsType = CreateNewResourceType
|
|
(FreeCompositeClientSubwindows, "CompositeClientSubwindows");
|
|
if (!CompositeClientSubwindowsType)
|
|
return;
|
|
|
|
CompositeClientOverlayType = CreateNewResourceType
|
|
(FreeCompositeClientOverlay, "CompositeClientOverlay");
|
|
if (!CompositeClientOverlayType)
|
|
return;
|
|
|
|
if (!dixRequestPrivate(CompositeClientPrivateKey,
|
|
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;
|
|
}
|