diff options
Diffstat (limited to 'xorg-server/composite')
| -rw-r--r-- | xorg-server/composite/compext.c | 1861 |
1 files changed, 929 insertions, 932 deletions
diff --git a/xorg-server/composite/compext.c b/xorg-server/composite/compext.c index d6f26d688..e0d8e75e4 100644 --- a/xorg-server/composite/compext.c +++ b/xorg-server/composite/compext.c @@ -1,932 +1,929 @@ -/*
- * Copyright (c) 2006, Oracle and/or its affiliates. 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
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS 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.
- *
- * Copyright © 2003 Keith Packard
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "compint.h"
-#include "xace.h"
-#include "protocol-versions.h"
-
-static CARD8 CompositeReqCode;
-static DevPrivateKeyRec CompositeClientPrivateKeyRec;
-#define CompositeClientPrivateKey (&CompositeClientPrivateKeyRec)
-RESTYPE CompositeClientWindowType;
-RESTYPE CompositeClientSubwindowsType;
-RESTYPE CompositeClientOverlayType;
-
-typedef struct _CompositeClient {
- int major_version;
- int minor_version;
-} CompositeClientRec, *CompositeClientPtr;
-
-#define GetCompositeClient(pClient) ((CompositeClientPtr) \
- dixLookupPrivate(&(pClient)->devPrivates, CompositeClientPrivateKey))
-
-static void
-CompositeClientCallback (CallbackListPtr *list,
- pointer closure,
- pointer data)
-{
- NewClientInfoRec *clientinfo = (NewClientInfoRec *) data;
- ClientPtr pClient = clientinfo->client;
- CompositeClientPtr pCompositeClient = GetCompositeClient (pClient);
-
- pCompositeClient->major_version = 0;
- pCompositeClient->minor_version = 0;
-}
-
-static int
-FreeCompositeClientWindow (pointer value, XID ccwid)
-{
- WindowPtr pWin = value;
-
- compFreeClientWindow (pWin, ccwid);
- return Success;
-}
-
-static int
-FreeCompositeClientSubwindows (pointer value, XID ccwid)
-{
- WindowPtr pWin = value;
-
- compFreeClientSubwindows (pWin, ccwid);
- return Success;
-}
-
-static int
-FreeCompositeClientOverlay (pointer value, XID ccwid)
-{
- CompOverlayClientPtr pOc = (CompOverlayClientPtr) value;
-
- compFreeOverlayClient (pOc);
- return Success;
-}
-
-static int
-ProcCompositeQueryVersion (ClientPtr client)
-{
- CompositeClientPtr pCompositeClient = GetCompositeClient (client);
- xCompositeQueryVersionReply rep;
- register int n;
- REQUEST(xCompositeQueryVersionReq);
-
- REQUEST_SIZE_MATCH(xCompositeQueryVersionReq);
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- if (stuff->majorVersion < SERVER_COMPOSITE_MAJOR_VERSION) {
- rep.majorVersion = stuff->majorVersion;
- rep.minorVersion = stuff->minorVersion;
- } else {
- rep.majorVersion = SERVER_COMPOSITE_MAJOR_VERSION;
- rep.minorVersion = SERVER_COMPOSITE_MINOR_VERSION;
- }
- pCompositeClient->major_version = rep.majorVersion;
- pCompositeClient->minor_version = rep.minorVersion;
- if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swapl(&rep.majorVersion, n);
- swapl(&rep.minorVersion, n);
- }
- WriteToClient(client, sizeof(xCompositeQueryVersionReply), (char *)&rep);
- return Success;
-}
-
-#define VERIFY_WINDOW(pWindow, wid, client, mode) \
- do { \
- int err; \
- err = dixLookupResourceByType((pointer *) &pWindow, wid, \
- RT_WINDOW, client, mode); \
- if (err != Success) { \
- client->errorValue = wid; \
- return err; \
- } \
- } while (0)
-
-static int
-ProcCompositeRedirectWindow (ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xCompositeRedirectWindowReq);
-
- REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq);
- VERIFY_WINDOW(pWin, stuff->window, client,
- DixSetAttrAccess|DixManageAccess|DixBlendAccess);
-
- return compRedirectWindow (client, pWin, stuff->update);
-}
-
-static int
-ProcCompositeRedirectSubwindows (ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xCompositeRedirectSubwindowsReq);
-
- REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq);
- VERIFY_WINDOW(pWin, stuff->window, client,
- DixSetAttrAccess|DixManageAccess|DixBlendAccess);
-
- return compRedirectSubwindows (client, pWin, stuff->update);
-}
-
-static int
-ProcCompositeUnredirectWindow (ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xCompositeUnredirectWindowReq);
-
- REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq);
- VERIFY_WINDOW(pWin, stuff->window, client,
- DixSetAttrAccess|DixManageAccess|DixBlendAccess);
-
- return compUnredirectWindow (client, pWin, stuff->update);
-}
-
-static int
-ProcCompositeUnredirectSubwindows (ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xCompositeUnredirectSubwindowsReq);
-
- REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq);
- VERIFY_WINDOW(pWin, stuff->window, client,
- DixSetAttrAccess|DixManageAccess|DixBlendAccess);
-
- return compUnredirectSubwindows (client, pWin, stuff->update);
-}
-
-static int
-ProcCompositeCreateRegionFromBorderClip (ClientPtr client)
-{
- WindowPtr pWin;
- CompWindowPtr cw;
- RegionPtr pBorderClip, pRegion;
- REQUEST(xCompositeCreateRegionFromBorderClipReq);
-
- REQUEST_SIZE_MATCH(xCompositeCreateRegionFromBorderClipReq);
- VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess);
- LEGAL_NEW_RESOURCE (stuff->region, client);
-
- cw = GetCompWindow (pWin);
- if (cw)
- pBorderClip = &cw->borderClip;
- else
- pBorderClip = &pWin->borderClip;
- pRegion = XFixesRegionCopy (pBorderClip);
- if (!pRegion)
- return BadAlloc;
- RegionTranslate(pRegion, -pWin->drawable.x, -pWin->drawable.y);
-
- if (!AddResource (stuff->region, RegionResType, (pointer) pRegion))
- return BadAlloc;
-
- return Success;
-}
-
-static int
-ProcCompositeNameWindowPixmap (ClientPtr client)
-{
- WindowPtr pWin;
- CompWindowPtr cw;
- PixmapPtr pPixmap;
- int rc;
- REQUEST(xCompositeNameWindowPixmapReq);
-
- REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq);
- VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess);
-
- if (!pWin->viewable)
- return BadMatch;
-
- LEGAL_NEW_RESOURCE (stuff->pixmap, client);
-
- cw = GetCompWindow (pWin);
- if (!cw)
- return BadMatch;
-
- pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin);
- if (!pPixmap)
- return BadMatch;
-
- /* security creation/labeling check */
- rc = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pixmap, RT_PIXMAP,
- pPixmap, RT_WINDOW, pWin, DixCreateAccess);
- if (rc != Success)
- return rc;
-
- ++pPixmap->refcnt;
-
- if (!AddResource (stuff->pixmap, RT_PIXMAP, (pointer) pPixmap))
- return BadAlloc;
-
- return Success;
-}
-
-
-static int
-ProcCompositeGetOverlayWindow (ClientPtr client)
-{
- REQUEST(xCompositeGetOverlayWindowReq);
- xCompositeGetOverlayWindowReply rep;
- WindowPtr pWin;
- ScreenPtr pScreen;
- CompScreenPtr cs;
- CompOverlayClientPtr pOc;
- int rc;
-
- REQUEST_SIZE_MATCH(xCompositeGetOverlayWindowReq);
- VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess);
- 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;
- }
-
- 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
-ProcCompositeReleaseOverlayWindow (ClientPtr client)
-{
- REQUEST(xCompositeReleaseOverlayWindowReq);
- WindowPtr pWin;
- ScreenPtr pScreen;
- CompOverlayClientPtr pOc;
-
- REQUEST_SIZE_MATCH(xCompositeReleaseOverlayWindowReq);
- VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess);
- 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;
-}
-
-static int (*ProcCompositeVector[CompositeNumberRequests])(ClientPtr) = {
- ProcCompositeQueryVersion,
- ProcCompositeRedirectWindow,
- ProcCompositeRedirectSubwindows,
- ProcCompositeUnredirectWindow,
- ProcCompositeUnredirectSubwindows,
- ProcCompositeCreateRegionFromBorderClip,
- ProcCompositeNameWindowPixmap,
- ProcCompositeGetOverlayWindow,
- ProcCompositeReleaseOverlayWindow,
-};
-
-static int
-ProcCompositeDispatch (ClientPtr client)
-{
- REQUEST(xReq);
-
- if (stuff->data < CompositeNumberRequests)
- return (*ProcCompositeVector[stuff->data]) (client);
- else
- return BadRequest;
-}
-
-static int
-SProcCompositeQueryVersion (ClientPtr client)
-{
- int n;
- REQUEST(xCompositeQueryVersionReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xCompositeQueryVersionReq);
- swapl(&stuff->majorVersion, n);
- swapl(&stuff->minorVersion, n);
- return (*ProcCompositeVector[stuff->compositeReqType]) (client);
-}
-
-static int
-SProcCompositeRedirectWindow (ClientPtr client)
-{
- int n;
- REQUEST(xCompositeRedirectWindowReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq);
- swapl (&stuff->window, n);
- return (*ProcCompositeVector[stuff->compositeReqType]) (client);
-}
-
-static int
-SProcCompositeRedirectSubwindows (ClientPtr client)
-{
- int n;
- REQUEST(xCompositeRedirectSubwindowsReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq);
- swapl (&stuff->window, n);
- return (*ProcCompositeVector[stuff->compositeReqType]) (client);
-}
-
-static int
-SProcCompositeUnredirectWindow (ClientPtr client)
-{
- int n;
- REQUEST(xCompositeUnredirectWindowReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq);
- swapl (&stuff->window, n);
- return (*ProcCompositeVector[stuff->compositeReqType]) (client);
-}
-
-static int
-SProcCompositeUnredirectSubwindows (ClientPtr client)
-{
- int n;
- REQUEST(xCompositeUnredirectSubwindowsReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq);
- swapl (&stuff->window, n);
- return (*ProcCompositeVector[stuff->compositeReqType]) (client);
-}
-
-static int
-SProcCompositeCreateRegionFromBorderClip (ClientPtr client)
-{
- int n;
- REQUEST(xCompositeCreateRegionFromBorderClipReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xCompositeCreateRegionFromBorderClipReq);
- swapl (&stuff->region, n);
- swapl (&stuff->window, n);
- return (*ProcCompositeVector[stuff->compositeReqType]) (client);
-}
-
-static int
-SProcCompositeNameWindowPixmap (ClientPtr client)
-{
- int n;
- REQUEST(xCompositeNameWindowPixmapReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq);
- swapl (&stuff->window, n);
- 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;
- newPix->info[0].id = stuff->pixmap;
-
- for (i = 1; i < PanoramiXNumScreens; i++)
- newPix->info[i].id = FakeClientID (client->index);
-
- 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
+/* + * Copyright (c) 2006, Oracle and/or its affiliates. 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 + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + * + * Copyright © 2003 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "compint.h" +#include "xace.h" +#include "protocol-versions.h" + +static CARD8 CompositeReqCode; +static DevPrivateKeyRec CompositeClientPrivateKeyRec; +#define CompositeClientPrivateKey (&CompositeClientPrivateKeyRec) +RESTYPE CompositeClientWindowType; +RESTYPE CompositeClientSubwindowsType; +RESTYPE CompositeClientOverlayType; + +typedef struct _CompositeClient { + int major_version; + int minor_version; +} CompositeClientRec, *CompositeClientPtr; + +#define GetCompositeClient(pClient) ((CompositeClientPtr) \ + dixLookupPrivate(&(pClient)->devPrivates, CompositeClientPrivateKey)) + +static void +CompositeClientCallback (CallbackListPtr *list, + pointer closure, + pointer data) +{ + NewClientInfoRec *clientinfo = (NewClientInfoRec *) data; + ClientPtr pClient = clientinfo->client; + CompositeClientPtr pCompositeClient = GetCompositeClient (pClient); + + pCompositeClient->major_version = 0; + pCompositeClient->minor_version = 0; +} + +static int +FreeCompositeClientWindow (pointer value, XID ccwid) +{ + WindowPtr pWin = value; + + compFreeClientWindow (pWin, ccwid); + return Success; +} + +static int +FreeCompositeClientSubwindows (pointer value, XID ccwid) +{ + WindowPtr pWin = value; + + compFreeClientSubwindows (pWin, ccwid); + return Success; +} + +static int +FreeCompositeClientOverlay (pointer value, XID ccwid) +{ + CompOverlayClientPtr pOc = (CompOverlayClientPtr) value; + + compFreeOverlayClient (pOc); + return Success; +} + +static int +ProcCompositeQueryVersion (ClientPtr client) +{ + CompositeClientPtr pCompositeClient = GetCompositeClient (client); + xCompositeQueryVersionReply rep; + register int n; + REQUEST(xCompositeQueryVersionReq); + + REQUEST_SIZE_MATCH(xCompositeQueryVersionReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + if (stuff->majorVersion < SERVER_COMPOSITE_MAJOR_VERSION) { + rep.majorVersion = stuff->majorVersion; + rep.minorVersion = stuff->minorVersion; + } else { + rep.majorVersion = SERVER_COMPOSITE_MAJOR_VERSION; + rep.minorVersion = SERVER_COMPOSITE_MINOR_VERSION; + } + pCompositeClient->major_version = rep.majorVersion; + pCompositeClient->minor_version = rep.minorVersion; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.majorVersion, n); + swapl(&rep.minorVersion, n); + } + WriteToClient(client, sizeof(xCompositeQueryVersionReply), (char *)&rep); + return Success; +} + +#define VERIFY_WINDOW(pWindow, wid, client, mode) \ + do { \ + int err; \ + err = dixLookupResourceByType((pointer *) &pWindow, wid, \ + RT_WINDOW, client, mode); \ + if (err != Success) { \ + client->errorValue = wid; \ + return err; \ + } \ + } while (0) + +static int +ProcCompositeRedirectWindow (ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xCompositeRedirectWindowReq); + + REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq); + VERIFY_WINDOW(pWin, stuff->window, client, + DixSetAttrAccess|DixManageAccess|DixBlendAccess); + + return compRedirectWindow (client, pWin, stuff->update); +} + +static int +ProcCompositeRedirectSubwindows (ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xCompositeRedirectSubwindowsReq); + + REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq); + VERIFY_WINDOW(pWin, stuff->window, client, + DixSetAttrAccess|DixManageAccess|DixBlendAccess); + + return compRedirectSubwindows (client, pWin, stuff->update); +} + +static int +ProcCompositeUnredirectWindow (ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xCompositeUnredirectWindowReq); + + REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq); + VERIFY_WINDOW(pWin, stuff->window, client, + DixSetAttrAccess|DixManageAccess|DixBlendAccess); + + return compUnredirectWindow (client, pWin, stuff->update); +} + +static int +ProcCompositeUnredirectSubwindows (ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xCompositeUnredirectSubwindowsReq); + + REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq); + VERIFY_WINDOW(pWin, stuff->window, client, + DixSetAttrAccess|DixManageAccess|DixBlendAccess); + + return compUnredirectSubwindows (client, pWin, stuff->update); +} + +static int +ProcCompositeCreateRegionFromBorderClip (ClientPtr client) +{ + WindowPtr pWin; + CompWindowPtr cw; + RegionPtr pBorderClip, pRegion; + REQUEST(xCompositeCreateRegionFromBorderClipReq); + + REQUEST_SIZE_MATCH(xCompositeCreateRegionFromBorderClipReq); + VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess); + LEGAL_NEW_RESOURCE (stuff->region, client); + + cw = GetCompWindow (pWin); + if (cw) + pBorderClip = &cw->borderClip; + else + pBorderClip = &pWin->borderClip; + pRegion = XFixesRegionCopy (pBorderClip); + if (!pRegion) + return BadAlloc; + RegionTranslate(pRegion, -pWin->drawable.x, -pWin->drawable.y); + + if (!AddResource (stuff->region, RegionResType, (pointer) pRegion)) + return BadAlloc; + + return Success; +} + +static int +ProcCompositeNameWindowPixmap (ClientPtr client) +{ + WindowPtr pWin; + CompWindowPtr cw; + PixmapPtr pPixmap; + int rc; + REQUEST(xCompositeNameWindowPixmapReq); + + REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq); + VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess); + + if (!pWin->viewable) + return BadMatch; + + LEGAL_NEW_RESOURCE (stuff->pixmap, client); + + cw = GetCompWindow (pWin); + if (!cw) + return BadMatch; + + pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin); + if (!pPixmap) + return BadMatch; + + /* security creation/labeling check */ + rc = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pixmap, RT_PIXMAP, + pPixmap, RT_WINDOW, pWin, DixCreateAccess); + if (rc != Success) + return rc; + + ++pPixmap->refcnt; + + if (!AddResource (stuff->pixmap, RT_PIXMAP, (pointer) pPixmap)) + return BadAlloc; + + return Success; +} + + +static int +ProcCompositeGetOverlayWindow (ClientPtr client) +{ + REQUEST(xCompositeGetOverlayWindowReq); + xCompositeGetOverlayWindowReply rep; + WindowPtr pWin; + ScreenPtr pScreen; + CompScreenPtr cs; + CompOverlayClientPtr pOc; + int rc; + + REQUEST_SIZE_MATCH(xCompositeGetOverlayWindowReq); + VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess); + 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; + } + + 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 +ProcCompositeReleaseOverlayWindow (ClientPtr client) +{ + REQUEST(xCompositeReleaseOverlayWindowReq); + WindowPtr pWin; + ScreenPtr pScreen; + CompOverlayClientPtr pOc; + + REQUEST_SIZE_MATCH(xCompositeReleaseOverlayWindowReq); + VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess); + 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; +} + +static int (*ProcCompositeVector[CompositeNumberRequests])(ClientPtr) = { + ProcCompositeQueryVersion, + ProcCompositeRedirectWindow, + ProcCompositeRedirectSubwindows, + ProcCompositeUnredirectWindow, + ProcCompositeUnredirectSubwindows, + ProcCompositeCreateRegionFromBorderClip, + ProcCompositeNameWindowPixmap, + ProcCompositeGetOverlayWindow, + ProcCompositeReleaseOverlayWindow, +}; + +static int +ProcCompositeDispatch (ClientPtr client) +{ + REQUEST(xReq); + + if (stuff->data < CompositeNumberRequests) + return (*ProcCompositeVector[stuff->data]) (client); + else + return BadRequest; +} + +static int +SProcCompositeQueryVersion (ClientPtr client) +{ + int n; + REQUEST(xCompositeQueryVersionReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xCompositeQueryVersionReq); + swapl(&stuff->majorVersion, n); + swapl(&stuff->minorVersion, n); + return (*ProcCompositeVector[stuff->compositeReqType]) (client); +} + +static int +SProcCompositeRedirectWindow (ClientPtr client) +{ + int n; + REQUEST(xCompositeRedirectWindowReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq); + swapl (&stuff->window, n); + return (*ProcCompositeVector[stuff->compositeReqType]) (client); +} + +static int +SProcCompositeRedirectSubwindows (ClientPtr client) +{ + int n; + REQUEST(xCompositeRedirectSubwindowsReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq); + swapl (&stuff->window, n); + return (*ProcCompositeVector[stuff->compositeReqType]) (client); +} + +static int +SProcCompositeUnredirectWindow (ClientPtr client) +{ + int n; + REQUEST(xCompositeUnredirectWindowReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq); + swapl (&stuff->window, n); + return (*ProcCompositeVector[stuff->compositeReqType]) (client); +} + +static int +SProcCompositeUnredirectSubwindows (ClientPtr client) +{ + int n; + REQUEST(xCompositeUnredirectSubwindowsReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq); + swapl (&stuff->window, n); + return (*ProcCompositeVector[stuff->compositeReqType]) (client); +} + +static int +SProcCompositeCreateRegionFromBorderClip (ClientPtr client) +{ + int n; + REQUEST(xCompositeCreateRegionFromBorderClipReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xCompositeCreateRegionFromBorderClipReq); + swapl (&stuff->region, n); + swapl (&stuff->window, n); + return (*ProcCompositeVector[stuff->compositeReqType]) (client); +} + +static int +SProcCompositeNameWindowPixmap (ClientPtr client) +{ + int n; + REQUEST(xCompositeNameWindowPixmapReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq); + swapl (&stuff->window, n); + 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 |