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-rw-r--r--xorg-server/composite/compalloc.c1370
-rw-r--r--xorg-server/composite/compext.c1858
-rw-r--r--xorg-server/composite/compoverlay.c4
-rw-r--r--xorg-server/composite/makefile9
4 files changed, 1627 insertions, 1614 deletions
diff --git a/xorg-server/composite/compalloc.c b/xorg-server/composite/compalloc.c
index 7164c0d3c..dba67303d 100644
--- a/xorg-server/composite/compalloc.c
+++ b/xorg-server/composite/compalloc.c
@@ -1,685 +1,685 @@
-/*
- * 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"
-
-static void
-compScreenUpdate (ScreenPtr pScreen)
-{
- compCheckTree (pScreen);
- compPaintChildrenToWindow (pScreen->root);
-}
-
-static void
-compBlockHandler (int i,
- pointer blockData,
- pointer pTimeout,
- pointer pReadmask)
-{
- ScreenPtr pScreen = screenInfo.screens[i];
- CompScreenPtr cs = GetCompScreen (pScreen);
-
- pScreen->BlockHandler = cs->BlockHandler;
- compScreenUpdate (pScreen);
- (*pScreen->BlockHandler) (i, blockData, pTimeout, pReadmask);
-
- /* Next damage will restore the block handler */
- cs->BlockHandler = NULL;
-}
-
-static void
-compReportDamage (DamagePtr pDamage, RegionPtr pRegion, void *closure)
-{
- WindowPtr pWin = (WindowPtr) closure;
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
- CompWindowPtr cw = GetCompWindow (pWin);
-
- if (!cs->BlockHandler) {
- cs->BlockHandler = pScreen->BlockHandler;
- pScreen->BlockHandler = compBlockHandler;
- }
- cw->damaged = TRUE;
-
- /* Mark the ancestors */
- pWin = pWin->parent;
- while (pWin) {
- if (pWin->damagedDescendants)
- break;
- pWin->damagedDescendants = TRUE;
- pWin = pWin->parent;
- }
-}
-
-static void
-compDestroyDamage (DamagePtr pDamage, void *closure)
-{
- WindowPtr pWin = (WindowPtr) closure;
- CompWindowPtr cw = GetCompWindow (pWin);
-
- cw->damage = 0;
-}
-
-/*
- * Redirect one window for one client
- */
-int
-compRedirectWindow (ClientPtr pClient, WindowPtr pWin, int update)
-{
- CompWindowPtr cw = GetCompWindow (pWin);
- CompClientWindowPtr ccw;
- Bool wasMapped = pWin->mapped;
- CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen);
-
- if (pWin == cs->pOverlayWin) {
- return Success;
- }
-
- if (!pWin->parent)
- return BadMatch;
-
- /*
- * Only one Manual update is allowed
- */
- if (cw && update == CompositeRedirectManual)
- for (ccw = cw->clients; ccw; ccw = ccw->next)
- if (ccw->update == CompositeRedirectManual)
- return BadAccess;
-
- /*
- * Allocate per-client per-window structure
- * The client *could* allocate multiple, but while supported,
- * it is not expected to be common
- */
- ccw = malloc(sizeof (CompClientWindowRec));
- if (!ccw)
- return BadAlloc;
- ccw->id = FakeClientID (pClient->index);
- ccw->update = update;
- /*
- * Now make sure there's a per-window structure to hang this from
- */
- if (!cw)
- {
- cw = malloc(sizeof (CompWindowRec));
- if (!cw)
- {
- free(ccw);
- return BadAlloc;
- }
- cw->damage = DamageCreate (compReportDamage,
- compDestroyDamage,
- DamageReportNonEmpty,
- FALSE,
- pWin->drawable.pScreen,
- pWin);
- if (!cw->damage)
- {
- free(ccw);
- free(cw);
- return BadAlloc;
- }
- if (wasMapped)
- {
- DisableMapUnmapEvents (pWin);
- UnmapWindow (pWin, FALSE);
- EnableMapUnmapEvents (pWin);
- }
-
- RegionNull(&cw->borderClip);
- cw->borderClipX = 0;
- cw->borderClipY = 0;
- cw->update = CompositeRedirectAutomatic;
- cw->clients = 0;
- cw->oldx = COMP_ORIGIN_INVALID;
- cw->oldy = COMP_ORIGIN_INVALID;
- cw->damageRegistered = FALSE;
- cw->damaged = FALSE;
- cw->pOldPixmap = NullPixmap;
- dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, cw);
- }
- ccw->next = cw->clients;
- cw->clients = ccw;
- if (!AddResource (ccw->id, CompositeClientWindowType, pWin))
- return BadAlloc;
- if (ccw->update == CompositeRedirectManual)
- {
- /* If the window was CompositeRedirectAutomatic, then
- * unmap the window so that the parent clip list will
- * be correctly recomputed.
- */
- if (pWin->mapped)
- {
- DisableMapUnmapEvents (pWin);
- UnmapWindow (pWin, FALSE);
- EnableMapUnmapEvents (pWin);
- }
- if (cw->damageRegistered)
- {
- DamageUnregister (&pWin->drawable, cw->damage);
- cw->damageRegistered = FALSE;
- }
- cw->update = CompositeRedirectManual;
- }
-
- if (!compCheckRedirect (pWin))
- {
- FreeResource (ccw->id, RT_NONE);
- return BadAlloc;
- }
- if (wasMapped && !pWin->mapped)
- {
- Bool overrideRedirect = pWin->overrideRedirect;
- pWin->overrideRedirect = TRUE;
- DisableMapUnmapEvents (pWin);
- MapWindow (pWin, pClient);
- EnableMapUnmapEvents (pWin);
- pWin->overrideRedirect = overrideRedirect;
- }
-
- return Success;
-}
-
-/*
- * Free one of the per-client per-window resources, clearing
- * redirect and the per-window pointer as appropriate
- */
-void
-compFreeClientWindow (WindowPtr pWin, XID id)
-{
- CompWindowPtr cw = GetCompWindow (pWin);
- CompClientWindowPtr ccw, *prev;
- Bool wasMapped = pWin->mapped;
-
- if (!cw)
- return;
- for (prev = &cw->clients; (ccw = *prev); prev = &ccw->next)
- {
- if (ccw->id == id)
- {
- *prev = ccw->next;
- if (ccw->update == CompositeRedirectManual)
- cw->update = CompositeRedirectAutomatic;
- free(ccw);
- break;
- }
- }
- if (!cw->clients)
- {
- if (wasMapped)
- {
- DisableMapUnmapEvents (pWin);
- UnmapWindow (pWin, FALSE);
- EnableMapUnmapEvents (pWin);
- }
-
- if (pWin->redirectDraw != RedirectDrawNone)
- compFreePixmap (pWin);
-
- if (cw->damage)
- DamageDestroy (cw->damage);
-
- RegionUninit(&cw->borderClip);
-
- dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, NULL);
- free(cw);
- }
- else if (cw->update == CompositeRedirectAutomatic &&
- !cw->damageRegistered && pWin->redirectDraw != RedirectDrawNone)
- {
- DamageRegister (&pWin->drawable, cw->damage);
- cw->damageRegistered = TRUE;
- pWin->redirectDraw = RedirectDrawAutomatic;
- DamageDamageRegion(&pWin->drawable, &pWin->borderSize);
- }
- if (wasMapped && !pWin->mapped)
- {
- Bool overrideRedirect = pWin->overrideRedirect;
- pWin->overrideRedirect = TRUE;
- DisableMapUnmapEvents (pWin);
- MapWindow (pWin, clients[CLIENT_ID(id)]);
- EnableMapUnmapEvents (pWin);
- pWin->overrideRedirect = overrideRedirect;
- }
-}
-
-/*
- * This is easy, just free the appropriate resource.
- */
-
-int
-compUnredirectWindow (ClientPtr pClient, WindowPtr pWin, int update)
-{
- CompWindowPtr cw = GetCompWindow (pWin);
- CompClientWindowPtr ccw;
-
- if (!cw)
- return BadValue;
-
- for (ccw = cw->clients; ccw; ccw = ccw->next)
- if (ccw->update == update && CLIENT_ID(ccw->id) == pClient->index)
- {
- FreeResource (ccw->id, RT_NONE);
- return Success;
- }
- return BadValue;
-}
-
-/*
- * Redirect all subwindows for one client
- */
-
-int
-compRedirectSubwindows (ClientPtr pClient, WindowPtr pWin, int update)
-{
- CompSubwindowsPtr csw = GetCompSubwindows (pWin);
- CompClientWindowPtr ccw;
- WindowPtr pChild;
-
- /*
- * Only one Manual update is allowed
- */
- if (csw && update == CompositeRedirectManual)
- for (ccw = csw->clients; ccw; ccw = ccw->next)
- if (ccw->update == CompositeRedirectManual)
- return BadAccess;
- /*
- * Allocate per-client per-window structure
- * The client *could* allocate multiple, but while supported,
- * it is not expected to be common
- */
- ccw = malloc(sizeof (CompClientWindowRec));
- if (!ccw)
- return BadAlloc;
- ccw->id = FakeClientID (pClient->index);
- ccw->update = update;
- /*
- * Now make sure there's a per-window structure to hang this from
- */
- if (!csw)
- {
- csw = malloc(sizeof (CompSubwindowsRec));
- if (!csw)
- {
- free(ccw);
- return BadAlloc;
- }
- csw->update = CompositeRedirectAutomatic;
- csw->clients = 0;
- dixSetPrivate(&pWin->devPrivates, CompSubwindowsPrivateKey, csw);
- }
- /*
- * Redirect all existing windows
- */
- for (pChild = pWin->lastChild; pChild; pChild = pChild->prevSib)
- {
- int ret = compRedirectWindow (pClient, pChild, update);
- if (ret != Success)
- {
- for (pChild = pChild->nextSib; pChild; pChild = pChild->nextSib)
- (void) compUnredirectWindow (pClient, pChild, update);
- if (!csw->clients)
- {
- free(csw);
- dixSetPrivate(&pWin->devPrivates, CompSubwindowsPrivateKey, 0);
- }
- free(ccw);
- return ret;
- }
- }
- /*
- * Hook into subwindows list
- */
- ccw->next = csw->clients;
- csw->clients = ccw;
- if (!AddResource (ccw->id, CompositeClientSubwindowsType, pWin))
- return BadAlloc;
- if (ccw->update == CompositeRedirectManual)
- {
- csw->update = CompositeRedirectManual;
- /*
- * tell damage extension that damage events for this client are
- * critical output
- */
- DamageExtSetCritical (pClient, TRUE);
- }
- return Success;
-}
-
-/*
- * Free one of the per-client per-subwindows resources,
- * which frees one redirect per subwindow
- */
-void
-compFreeClientSubwindows (WindowPtr pWin, XID id)
-{
- CompSubwindowsPtr csw = GetCompSubwindows (pWin);
- CompClientWindowPtr ccw, *prev;
- WindowPtr pChild;
-
- if (!csw)
- return;
- for (prev = &csw->clients; (ccw = *prev); prev = &ccw->next)
- {
- if (ccw->id == id)
- {
- ClientPtr pClient = clients[CLIENT_ID(id)];
-
- *prev = ccw->next;
- if (ccw->update == CompositeRedirectManual)
- {
- /*
- * tell damage extension that damage events for this client are
- * critical output
- */
- DamageExtSetCritical (pClient, FALSE);
- csw->update = CompositeRedirectAutomatic;
- if (pWin->mapped)
- (*pWin->drawable.pScreen->ClearToBackground)(pWin, 0, 0, 0, 0, TRUE);
- }
-
- /*
- * Unredirect all existing subwindows
- */
- for (pChild = pWin->lastChild; pChild; pChild = pChild->prevSib)
- (void) compUnredirectWindow (pClient, pChild, ccw->update);
-
- free(ccw);
- break;
- }
- }
-
- /*
- * Check if all of the per-client records are gone
- */
- if (!csw->clients)
- {
- dixSetPrivate(&pWin->devPrivates, CompSubwindowsPrivateKey, NULL);
- free(csw);
- }
-}
-
-/*
- * This is easy, just free the appropriate resource.
- */
-
-int
-compUnredirectSubwindows (ClientPtr pClient, WindowPtr pWin, int update)
-{
- CompSubwindowsPtr csw = GetCompSubwindows (pWin);
- CompClientWindowPtr ccw;
-
- if (!csw)
- return BadValue;
- for (ccw = csw->clients; ccw; ccw = ccw->next)
- if (ccw->update == update && CLIENT_ID(ccw->id) == pClient->index)
- {
- FreeResource (ccw->id, RT_NONE);
- return Success;
- }
- return BadValue;
-}
-
-/*
- * Add redirection information for one subwindow (during reparent)
- */
-
-int
-compRedirectOneSubwindow (WindowPtr pParent, WindowPtr pWin)
-{
- CompSubwindowsPtr csw = GetCompSubwindows (pParent);
- CompClientWindowPtr ccw;
-
- if (!csw)
- return Success;
- for (ccw = csw->clients; ccw; ccw = ccw->next)
- {
- int ret = compRedirectWindow (clients[CLIENT_ID(ccw->id)],
- pWin, ccw->update);
- if (ret != Success)
- return ret;
- }
- return Success;
-}
-
-/*
- * Remove redirection information for one subwindow (during reparent)
- */
-
-int
-compUnredirectOneSubwindow (WindowPtr pParent, WindowPtr pWin)
-{
- CompSubwindowsPtr csw = GetCompSubwindows (pParent);
- CompClientWindowPtr ccw;
-
- if (!csw)
- return Success;
- for (ccw = csw->clients; ccw; ccw = ccw->next)
- {
- int ret = compUnredirectWindow (clients[CLIENT_ID(ccw->id)],
- pWin, ccw->update);
- if (ret != Success)
- return ret;
- }
- return Success;
-}
-
-static PixmapPtr
-compNewPixmap (WindowPtr pWin, int x, int y, int w, int h, Bool map)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- WindowPtr pParent = pWin->parent;
- PixmapPtr pPixmap;
-
- pPixmap = (*pScreen->CreatePixmap) (pScreen, w, h, pWin->drawable.depth,
- CREATE_PIXMAP_USAGE_BACKING_PIXMAP);
-
- if (!pPixmap)
- return 0;
-
- pPixmap->screen_x = x;
- pPixmap->screen_y = y;
-
- /* resize allocations will update later in compCopyWindow, not here */
- if (!map)
- return pPixmap;
-
- if (pParent->drawable.depth == pWin->drawable.depth)
- {
- GCPtr pGC = GetScratchGC (pWin->drawable.depth, pScreen);
-
- if (pGC)
- {
- ChangeGCVal val;
- val.val = IncludeInferiors;
-
- ValidateGC(&pPixmap->drawable, pGC);
- ChangeGC (serverClient, pGC, GCSubwindowMode, &val);
- (*pGC->ops->CopyArea) (&pParent->drawable,
- &pPixmap->drawable,
- pGC,
- x - pParent->drawable.x,
- y - pParent->drawable.y,
- w, h, 0, 0);
- FreeScratchGC (pGC);
- }
- }
- else
- {
- PictFormatPtr pSrcFormat = compWindowFormat (pParent);
- PictFormatPtr pDstFormat = compWindowFormat (pWin);
- XID inferiors = IncludeInferiors;
- int error;
-
- PicturePtr pSrcPicture = CreatePicture (None,
- &pParent->drawable,
- pSrcFormat,
- CPSubwindowMode,
- &inferiors,
- serverClient, &error);
-
- PicturePtr pDstPicture = CreatePicture (None,
- &pPixmap->drawable,
- pDstFormat,
- 0, 0,
- serverClient, &error);
-
- if (pSrcPicture && pDstPicture)
- {
- CompositePicture (PictOpSrc,
- pSrcPicture,
- NULL,
- pDstPicture,
- x - pParent->drawable.x,
- y - pParent->drawable.y,
- 0, 0, 0, 0, w, h);
- }
- if (pSrcPicture)
- FreePicture (pSrcPicture, 0);
- if (pDstPicture)
- FreePicture (pDstPicture, 0);
- }
- return pPixmap;
-}
-
-Bool
-compAllocPixmap (WindowPtr pWin)
-{
- int bw = (int) pWin->borderWidth;
- int x = pWin->drawable.x - bw;
- int y = pWin->drawable.y - bw;
- int w = pWin->drawable.width + (bw << 1);
- int h = pWin->drawable.height + (bw << 1);
- PixmapPtr pPixmap = compNewPixmap (pWin, x, y, w, h, TRUE);
- CompWindowPtr cw = GetCompWindow (pWin);
-
- if (!pPixmap)
- return FALSE;
- if (cw->update == CompositeRedirectAutomatic)
- pWin->redirectDraw = RedirectDrawAutomatic;
- else
- pWin->redirectDraw = RedirectDrawManual;
-
- compSetPixmap (pWin, pPixmap);
- cw->oldx = COMP_ORIGIN_INVALID;
- cw->oldy = COMP_ORIGIN_INVALID;
- cw->damageRegistered = FALSE;
- if (cw->update == CompositeRedirectAutomatic)
- {
- DamageRegister (&pWin->drawable, cw->damage);
- cw->damageRegistered = TRUE;
- }
- return TRUE;
-}
-
-void
-compFreePixmap (WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- PixmapPtr pRedirectPixmap, pParentPixmap;
- CompWindowPtr cw = GetCompWindow (pWin);
-
- if (cw->damageRegistered)
- {
- DamageUnregister (&pWin->drawable, cw->damage);
- cw->damageRegistered = FALSE;
- DamageEmpty (cw->damage);
- }
- /*
- * Move the parent-constrained border clip region back into
- * the window so that ValidateTree will handle the unmap
- * case correctly. Unmap adds the window borderClip to the
- * parent exposed area; regions beyond the parent cause crashes
- */
- RegionCopy(&pWin->borderClip, &cw->borderClip);
- pRedirectPixmap = (*pScreen->GetWindowPixmap) (pWin);
- pParentPixmap = (*pScreen->GetWindowPixmap) (pWin->parent);
- pWin->redirectDraw = RedirectDrawNone;
- compSetPixmap (pWin, pParentPixmap);
- (*pScreen->DestroyPixmap) (pRedirectPixmap);
-}
-
-/*
- * Make sure the pixmap is the right size and offset. Allocate a new
- * pixmap to change size, adjust origin to change offset, leaving the
- * old pixmap in cw->pOldPixmap so bits can be recovered
- */
-Bool
-compReallocPixmap (WindowPtr pWin, int draw_x, int draw_y,
- unsigned int w, unsigned int h, int bw)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- PixmapPtr pOld = (*pScreen->GetWindowPixmap) (pWin);
- PixmapPtr pNew;
- CompWindowPtr cw = GetCompWindow (pWin);
- int pix_x, pix_y;
- int pix_w, pix_h;
-
- assert (cw && pWin->redirectDraw != RedirectDrawNone);
- cw->oldx = pOld->screen_x;
- cw->oldy = pOld->screen_y;
- pix_x = draw_x - bw;
- pix_y = draw_y - bw;
- pix_w = w + (bw << 1);
- pix_h = h + (bw << 1);
- if (pix_w != pOld->drawable.width || pix_h != pOld->drawable.height)
- {
- pNew = compNewPixmap (pWin, pix_x, pix_y, pix_w, pix_h, FALSE);
- if (!pNew)
- return FALSE;
- cw->pOldPixmap = pOld;
- compSetPixmap (pWin, pNew);
- }
- else
- {
- pNew = pOld;
- cw->pOldPixmap = 0;
- }
- pNew->screen_x = pix_x;
- pNew->screen_y = pix_y;
- return TRUE;
-}
+/*
+ * 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"
+
+static void
+compScreenUpdate (ScreenPtr pScreen)
+{
+ compCheckTree (pScreen);
+ compPaintChildrenToWindow (pScreen->root);
+}
+
+static void
+compBlockHandler (int i,
+ pointer blockData,
+ pointer pTimeout,
+ pointer pReadmask)
+{
+ ScreenPtr pScreen = screenInfo.screens[i];
+ CompScreenPtr cs = GetCompScreen (pScreen);
+
+ pScreen->BlockHandler = cs->BlockHandler;
+ compScreenUpdate (pScreen);
+ (*pScreen->BlockHandler) (i, blockData, pTimeout, pReadmask);
+
+ /* Next damage will restore the block handler */
+ cs->BlockHandler = NULL;
+}
+
+static void
+compReportDamage (DamagePtr pDamage, RegionPtr pRegion, void *closure)
+{
+ WindowPtr pWin = (WindowPtr) closure;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompScreenPtr cs = GetCompScreen (pScreen);
+ CompWindowPtr cw = GetCompWindow (pWin);
+
+ if (!cs->BlockHandler) {
+ cs->BlockHandler = pScreen->BlockHandler;
+ pScreen->BlockHandler = compBlockHandler;
+ }
+ cw->damaged = TRUE;
+
+ /* Mark the ancestors */
+ pWin = pWin->parent;
+ while (pWin) {
+ if (pWin->damagedDescendants)
+ break;
+ pWin->damagedDescendants = TRUE;
+ pWin = pWin->parent;
+ }
+}
+
+static void
+compDestroyDamage (DamagePtr pDamage, void *closure)
+{
+ WindowPtr pWin = (WindowPtr) closure;
+ CompWindowPtr cw = GetCompWindow (pWin);
+
+ cw->damage = 0;
+}
+
+/*
+ * Redirect one window for one client
+ */
+int
+compRedirectWindow (ClientPtr pClient, WindowPtr pWin, int update)
+{
+ CompWindowPtr cw = GetCompWindow (pWin);
+ CompClientWindowPtr ccw;
+ Bool wasMapped = pWin->mapped;
+ CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen);
+
+ if (pWin == cs->pOverlayWin) {
+ return Success;
+ }
+
+ if (!pWin->parent)
+ return BadMatch;
+
+ /*
+ * Only one Manual update is allowed
+ */
+ if (cw && update == CompositeRedirectManual)
+ for (ccw = cw->clients; ccw; ccw = ccw->next)
+ if (ccw->update == CompositeRedirectManual)
+ return BadAccess;
+
+ /*
+ * Allocate per-client per-window structure
+ * The client *could* allocate multiple, but while supported,
+ * it is not expected to be common
+ */
+ ccw = malloc(sizeof (CompClientWindowRec));
+ if (!ccw)
+ return BadAlloc;
+ ccw->id = FakeClientID (pClient->index);
+ ccw->update = update;
+ /*
+ * Now make sure there's a per-window structure to hang this from
+ */
+ if (!cw)
+ {
+ cw = calloc (1,sizeof (CompWindowRec));
+ if (!cw)
+ {
+ free(ccw);
+ return BadAlloc;
+ }
+ cw->damage = DamageCreate (compReportDamage,
+ compDestroyDamage,
+ DamageReportNonEmpty,
+ FALSE,
+ pWin->drawable.pScreen,
+ pWin);
+ if (!cw->damage)
+ {
+ free(ccw);
+ free(cw);
+ return BadAlloc;
+ }
+ if (wasMapped)
+ {
+ DisableMapUnmapEvents (pWin);
+ UnmapWindow (pWin, FALSE);
+ EnableMapUnmapEvents (pWin);
+ }
+
+ RegionNull(&cw->borderClip);
+ cw->borderClipX = 0;
+ cw->borderClipY = 0;
+ cw->update = CompositeRedirectAutomatic;
+ cw->clients = 0;
+ cw->oldx = COMP_ORIGIN_INVALID;
+ cw->oldy = COMP_ORIGIN_INVALID;
+ cw->damageRegistered = FALSE;
+ cw->damaged = FALSE;
+ cw->pOldPixmap = NullPixmap;
+ dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, cw);
+ }
+ ccw->next = cw->clients;
+ cw->clients = ccw;
+ if (!AddResource (ccw->id, CompositeClientWindowType, pWin))
+ return BadAlloc;
+ if (ccw->update == CompositeRedirectManual)
+ {
+ /* If the window was CompositeRedirectAutomatic, then
+ * unmap the window so that the parent clip list will
+ * be correctly recomputed.
+ */
+ if (pWin->mapped)
+ {
+ DisableMapUnmapEvents (pWin);
+ UnmapWindow (pWin, FALSE);
+ EnableMapUnmapEvents (pWin);
+ }
+ if (cw->damageRegistered)
+ {
+ DamageUnregister (&pWin->drawable, cw->damage);
+ cw->damageRegistered = FALSE;
+ }
+ cw->update = CompositeRedirectManual;
+ }
+
+ if (!compCheckRedirect (pWin))
+ {
+ FreeResource (ccw->id, RT_NONE);
+ return BadAlloc;
+ }
+ if (wasMapped && !pWin->mapped)
+ {
+ Bool overrideRedirect = pWin->overrideRedirect;
+ pWin->overrideRedirect = TRUE;
+ DisableMapUnmapEvents (pWin);
+ MapWindow (pWin, pClient);
+ EnableMapUnmapEvents (pWin);
+ pWin->overrideRedirect = overrideRedirect;
+ }
+
+ return Success;
+}
+
+/*
+ * Free one of the per-client per-window resources, clearing
+ * redirect and the per-window pointer as appropriate
+ */
+void
+compFreeClientWindow (WindowPtr pWin, XID id)
+{
+ CompWindowPtr cw = GetCompWindow (pWin);
+ CompClientWindowPtr ccw, *prev;
+ Bool wasMapped = pWin->mapped;
+
+ if (!cw)
+ return;
+ for (prev = &cw->clients; (ccw = *prev); prev = &ccw->next)
+ {
+ if (ccw->id == id)
+ {
+ *prev = ccw->next;
+ if (ccw->update == CompositeRedirectManual)
+ cw->update = CompositeRedirectAutomatic;
+ free(ccw);
+ break;
+ }
+ }
+ if (!cw->clients)
+ {
+ if (wasMapped)
+ {
+ DisableMapUnmapEvents (pWin);
+ UnmapWindow (pWin, FALSE);
+ EnableMapUnmapEvents (pWin);
+ }
+
+ if (pWin->redirectDraw != RedirectDrawNone)
+ compFreePixmap (pWin);
+
+ if (cw->damage)
+ DamageDestroy (cw->damage);
+
+ RegionUninit(&cw->borderClip);
+
+ dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, NULL);
+ free(cw);
+ }
+ else if (cw->update == CompositeRedirectAutomatic &&
+ !cw->damageRegistered && pWin->redirectDraw != RedirectDrawNone)
+ {
+ DamageRegister (&pWin->drawable, cw->damage);
+ cw->damageRegistered = TRUE;
+ pWin->redirectDraw = RedirectDrawAutomatic;
+ DamageDamageRegion(&pWin->drawable, &pWin->borderSize);
+ }
+ if (wasMapped && !pWin->mapped)
+ {
+ Bool overrideRedirect = pWin->overrideRedirect;
+ pWin->overrideRedirect = TRUE;
+ DisableMapUnmapEvents (pWin);
+ MapWindow (pWin, clients[CLIENT_ID(id)]);
+ EnableMapUnmapEvents (pWin);
+ pWin->overrideRedirect = overrideRedirect;
+ }
+}
+
+/*
+ * This is easy, just free the appropriate resource.
+ */
+
+int
+compUnredirectWindow (ClientPtr pClient, WindowPtr pWin, int update)
+{
+ CompWindowPtr cw = GetCompWindow (pWin);
+ CompClientWindowPtr ccw;
+
+ if (!cw)
+ return BadValue;
+
+ for (ccw = cw->clients; ccw; ccw = ccw->next)
+ if (ccw->update == update && CLIENT_ID(ccw->id) == pClient->index)
+ {
+ FreeResource (ccw->id, RT_NONE);
+ return Success;
+ }
+ return BadValue;
+}
+
+/*
+ * Redirect all subwindows for one client
+ */
+
+int
+compRedirectSubwindows (ClientPtr pClient, WindowPtr pWin, int update)
+{
+ CompSubwindowsPtr csw = GetCompSubwindows (pWin);
+ CompClientWindowPtr ccw;
+ WindowPtr pChild;
+
+ /*
+ * Only one Manual update is allowed
+ */
+ if (csw && update == CompositeRedirectManual)
+ for (ccw = csw->clients; ccw; ccw = ccw->next)
+ if (ccw->update == CompositeRedirectManual)
+ return BadAccess;
+ /*
+ * Allocate per-client per-window structure
+ * The client *could* allocate multiple, but while supported,
+ * it is not expected to be common
+ */
+ ccw = malloc(sizeof (CompClientWindowRec));
+ if (!ccw)
+ return BadAlloc;
+ ccw->id = FakeClientID (pClient->index);
+ ccw->update = update;
+ /*
+ * Now make sure there's a per-window structure to hang this from
+ */
+ if (!csw)
+ {
+ csw = malloc(sizeof (CompSubwindowsRec));
+ if (!csw)
+ {
+ free(ccw);
+ return BadAlloc;
+ }
+ csw->update = CompositeRedirectAutomatic;
+ csw->clients = 0;
+ dixSetPrivate(&pWin->devPrivates, CompSubwindowsPrivateKey, csw);
+ }
+ /*
+ * Redirect all existing windows
+ */
+ for (pChild = pWin->lastChild; pChild; pChild = pChild->prevSib)
+ {
+ int ret = compRedirectWindow (pClient, pChild, update);
+ if (ret != Success)
+ {
+ for (pChild = pChild->nextSib; pChild; pChild = pChild->nextSib)
+ (void) compUnredirectWindow (pClient, pChild, update);
+ if (!csw->clients)
+ {
+ free(csw);
+ dixSetPrivate(&pWin->devPrivates, CompSubwindowsPrivateKey, 0);
+ }
+ free(ccw);
+ return ret;
+ }
+ }
+ /*
+ * Hook into subwindows list
+ */
+ ccw->next = csw->clients;
+ csw->clients = ccw;
+ if (!AddResource (ccw->id, CompositeClientSubwindowsType, pWin))
+ return BadAlloc;
+ if (ccw->update == CompositeRedirectManual)
+ {
+ csw->update = CompositeRedirectManual;
+ /*
+ * tell damage extension that damage events for this client are
+ * critical output
+ */
+ DamageExtSetCritical (pClient, TRUE);
+ }
+ return Success;
+}
+
+/*
+ * Free one of the per-client per-subwindows resources,
+ * which frees one redirect per subwindow
+ */
+void
+compFreeClientSubwindows (WindowPtr pWin, XID id)
+{
+ CompSubwindowsPtr csw = GetCompSubwindows (pWin);
+ CompClientWindowPtr ccw, *prev;
+ WindowPtr pChild;
+
+ if (!csw)
+ return;
+ for (prev = &csw->clients; (ccw = *prev); prev = &ccw->next)
+ {
+ if (ccw->id == id)
+ {
+ ClientPtr pClient = clients[CLIENT_ID(id)];
+
+ *prev = ccw->next;
+ if (ccw->update == CompositeRedirectManual)
+ {
+ /*
+ * tell damage extension that damage events for this client are
+ * critical output
+ */
+ DamageExtSetCritical (pClient, FALSE);
+ csw->update = CompositeRedirectAutomatic;
+ if (pWin->mapped)
+ (*pWin->drawable.pScreen->ClearToBackground)(pWin, 0, 0, 0, 0, TRUE);
+ }
+
+ /*
+ * Unredirect all existing subwindows
+ */
+ for (pChild = pWin->lastChild; pChild; pChild = pChild->prevSib)
+ (void) compUnredirectWindow (pClient, pChild, ccw->update);
+
+ free(ccw);
+ break;
+ }
+ }
+
+ /*
+ * Check if all of the per-client records are gone
+ */
+ if (!csw->clients)
+ {
+ dixSetPrivate(&pWin->devPrivates, CompSubwindowsPrivateKey, NULL);
+ free(csw);
+ }
+}
+
+/*
+ * This is easy, just free the appropriate resource.
+ */
+
+int
+compUnredirectSubwindows (ClientPtr pClient, WindowPtr pWin, int update)
+{
+ CompSubwindowsPtr csw = GetCompSubwindows (pWin);
+ CompClientWindowPtr ccw;
+
+ if (!csw)
+ return BadValue;
+ for (ccw = csw->clients; ccw; ccw = ccw->next)
+ if (ccw->update == update && CLIENT_ID(ccw->id) == pClient->index)
+ {
+ FreeResource (ccw->id, RT_NONE);
+ return Success;
+ }
+ return BadValue;
+}
+
+/*
+ * Add redirection information for one subwindow (during reparent)
+ */
+
+int
+compRedirectOneSubwindow (WindowPtr pParent, WindowPtr pWin)
+{
+ CompSubwindowsPtr csw = GetCompSubwindows (pParent);
+ CompClientWindowPtr ccw;
+
+ if (!csw)
+ return Success;
+ for (ccw = csw->clients; ccw; ccw = ccw->next)
+ {
+ int ret = compRedirectWindow (clients[CLIENT_ID(ccw->id)],
+ pWin, ccw->update);
+ if (ret != Success)
+ return ret;
+ }
+ return Success;
+}
+
+/*
+ * Remove redirection information for one subwindow (during reparent)
+ */
+
+int
+compUnredirectOneSubwindow (WindowPtr pParent, WindowPtr pWin)
+{
+ CompSubwindowsPtr csw = GetCompSubwindows (pParent);
+ CompClientWindowPtr ccw;
+
+ if (!csw)
+ return Success;
+ for (ccw = csw->clients; ccw; ccw = ccw->next)
+ {
+ int ret = compUnredirectWindow (clients[CLIENT_ID(ccw->id)],
+ pWin, ccw->update);
+ if (ret != Success)
+ return ret;
+ }
+ return Success;
+}
+
+static PixmapPtr
+compNewPixmap (WindowPtr pWin, int x, int y, int w, int h, Bool map)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ WindowPtr pParent = pWin->parent;
+ PixmapPtr pPixmap;
+
+ pPixmap = (*pScreen->CreatePixmap) (pScreen, w, h, pWin->drawable.depth,
+ CREATE_PIXMAP_USAGE_BACKING_PIXMAP);
+
+ if (!pPixmap)
+ return 0;
+
+ pPixmap->screen_x = x;
+ pPixmap->screen_y = y;
+
+ /* resize allocations will update later in compCopyWindow, not here */
+ if (!map)
+ return pPixmap;
+
+ if (pParent->drawable.depth == pWin->drawable.depth)
+ {
+ GCPtr pGC = GetScratchGC (pWin->drawable.depth, pScreen);
+
+ if (pGC)
+ {
+ ChangeGCVal val;
+ val.val = IncludeInferiors;
+
+ ValidateGC(&pPixmap->drawable, pGC);
+ ChangeGC (serverClient, pGC, GCSubwindowMode, &val);
+ (*pGC->ops->CopyArea) (&pParent->drawable,
+ &pPixmap->drawable,
+ pGC,
+ x - pParent->drawable.x,
+ y - pParent->drawable.y,
+ w, h, 0, 0);
+ FreeScratchGC (pGC);
+ }
+ }
+ else
+ {
+ PictFormatPtr pSrcFormat = compWindowFormat (pParent);
+ PictFormatPtr pDstFormat = compWindowFormat (pWin);
+ XID inferiors = IncludeInferiors;
+ int error;
+
+ PicturePtr pSrcPicture = CreatePicture (None,
+ &pParent->drawable,
+ pSrcFormat,
+ CPSubwindowMode,
+ &inferiors,
+ serverClient, &error);
+
+ PicturePtr pDstPicture = CreatePicture (None,
+ &pPixmap->drawable,
+ pDstFormat,
+ 0, 0,
+ serverClient, &error);
+
+ if (pSrcPicture && pDstPicture)
+ {
+ CompositePicture (PictOpSrc,
+ pSrcPicture,
+ NULL,
+ pDstPicture,
+ x - pParent->drawable.x,
+ y - pParent->drawable.y,
+ 0, 0, 0, 0, w, h);
+ }
+ if (pSrcPicture)
+ FreePicture (pSrcPicture, 0);
+ if (pDstPicture)
+ FreePicture (pDstPicture, 0);
+ }
+ return pPixmap;
+}
+
+Bool
+compAllocPixmap (WindowPtr pWin)
+{
+ int bw = (int) pWin->borderWidth;
+ int x = pWin->drawable.x - bw;
+ int y = pWin->drawable.y - bw;
+ int w = pWin->drawable.width + (bw << 1);
+ int h = pWin->drawable.height + (bw << 1);
+ PixmapPtr pPixmap = compNewPixmap (pWin, x, y, w, h, TRUE);
+ CompWindowPtr cw = GetCompWindow (pWin);
+
+ if (!pPixmap)
+ return FALSE;
+ if (cw->update == CompositeRedirectAutomatic)
+ pWin->redirectDraw = RedirectDrawAutomatic;
+ else
+ pWin->redirectDraw = RedirectDrawManual;
+
+ compSetPixmap (pWin, pPixmap);
+ cw->oldx = COMP_ORIGIN_INVALID;
+ cw->oldy = COMP_ORIGIN_INVALID;
+ cw->damageRegistered = FALSE;
+ if (cw->update == CompositeRedirectAutomatic)
+ {
+ DamageRegister (&pWin->drawable, cw->damage);
+ cw->damageRegistered = TRUE;
+ }
+ return TRUE;
+}
+
+void
+compFreePixmap (WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ PixmapPtr pRedirectPixmap, pParentPixmap;
+ CompWindowPtr cw = GetCompWindow (pWin);
+
+ if (cw->damageRegistered)
+ {
+ DamageUnregister (&pWin->drawable, cw->damage);
+ cw->damageRegistered = FALSE;
+ DamageEmpty (cw->damage);
+ }
+ /*
+ * Move the parent-constrained border clip region back into
+ * the window so that ValidateTree will handle the unmap
+ * case correctly. Unmap adds the window borderClip to the
+ * parent exposed area; regions beyond the parent cause crashes
+ */
+ RegionCopy(&pWin->borderClip, &cw->borderClip);
+ pRedirectPixmap = (*pScreen->GetWindowPixmap) (pWin);
+ pParentPixmap = (*pScreen->GetWindowPixmap) (pWin->parent);
+ pWin->redirectDraw = RedirectDrawNone;
+ compSetPixmap (pWin, pParentPixmap);
+ (*pScreen->DestroyPixmap) (pRedirectPixmap);
+}
+
+/*
+ * Make sure the pixmap is the right size and offset. Allocate a new
+ * pixmap to change size, adjust origin to change offset, leaving the
+ * old pixmap in cw->pOldPixmap so bits can be recovered
+ */
+Bool
+compReallocPixmap (WindowPtr pWin, int draw_x, int draw_y,
+ unsigned int w, unsigned int h, int bw)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ PixmapPtr pOld = (*pScreen->GetWindowPixmap) (pWin);
+ PixmapPtr pNew;
+ CompWindowPtr cw = GetCompWindow (pWin);
+ int pix_x, pix_y;
+ int pix_w, pix_h;
+
+ assert (cw && pWin->redirectDraw != RedirectDrawNone);
+ cw->oldx = pOld->screen_x;
+ cw->oldy = pOld->screen_y;
+ pix_x = draw_x - bw;
+ pix_y = draw_y - bw;
+ pix_w = w + (bw << 1);
+ pix_h = h + (bw << 1);
+ if (pix_w != pOld->drawable.width || pix_h != pOld->drawable.height)
+ {
+ pNew = compNewPixmap (pWin, pix_x, pix_y, pix_w, pix_h, FALSE);
+ if (!pNew)
+ return FALSE;
+ cw->pOldPixmap = pOld;
+ compSetPixmap (pWin, pNew);
+ }
+ else
+ {
+ pNew = pOld;
+ cw->pOldPixmap = 0;
+ }
+ pNew->screen_x = pix_x;
+ pNew->screen_y = pix_y;
+ return TRUE;
+}
diff --git a/xorg-server/composite/compext.c b/xorg-server/composite/compext.c
index e0d8e75e4..711236bbf 100644
--- a/xorg-server/composite/compext.c
+++ b/xorg-server/composite/compext.c
@@ -1,929 +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;
- 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
+/*
+ * 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
diff --git a/xorg-server/composite/compoverlay.c b/xorg-server/composite/compoverlay.c
index 55ce3145b..6ac05e8ad 100644
--- a/xorg-server/composite/compoverlay.c
+++ b/xorg-server/composite/compoverlay.c
@@ -45,6 +45,10 @@
#include <dix-config.h>
#endif
+#ifdef CreateWindow
+#undef CreateWindow
+#endif
+
#include "compint.h"
#include "xace.h"
diff --git a/xorg-server/composite/makefile b/xorg-server/composite/makefile
new file mode 100644
index 000000000..1ab95ebba
--- /dev/null
+++ b/xorg-server/composite/makefile
@@ -0,0 +1,9 @@
+
+LIBRARY=libcomposite
+
+CSRCS = \
+ compalloc.c \
+ compext.c \
+ compinit.c \
+ compoverlay.c \
+ compwindow.c