diff options
Diffstat (limited to 'xorg-server/composite')
-rw-r--r-- | xorg-server/composite/compalloc.c | 1456 | ||||
-rw-r--r-- | xorg-server/composite/compext.c | 1858 | ||||
-rw-r--r-- | xorg-server/composite/compint.h | 672 | ||||
-rw-r--r-- | xorg-server/composite/compwindow.c | 1664 |
4 files changed, 2825 insertions, 2825 deletions
diff --git a/xorg-server/composite/compalloc.c b/xorg-server/composite/compalloc.c index e64d1061b..c4430af43 100644 --- a/xorg-server/composite/compalloc.c +++ b/xorg-server/composite/compalloc.c @@ -1,728 +1,728 @@ -/*
- * 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;
-}
-
-static Bool
-compMarkWindows(WindowPtr pWin,
- WindowPtr *ppLayerWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- WindowPtr pLayerWin = pWin;
-
- if (!pWin->viewable)
- return FALSE;
-
- (*pScreen->MarkOverlappedWindows)(pWin, pWin, &pLayerWin);
- (*pScreen->MarkWindow)(pLayerWin->parent);
-
- *ppLayerWin = pLayerWin;
-
- return TRUE;
-}
-
-static void
-compHandleMarkedWindows(WindowPtr pWin, WindowPtr pLayerWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- (*pScreen->ValidateTree)(pLayerWin->parent, pLayerWin, VTOther);
- (*pScreen->HandleExposures)(pLayerWin->parent);
- if (pScreen->PostValidateTree)
- (*pScreen->PostValidateTree)(pLayerWin->parent, pLayerWin, VTOther);
-}
-
-/*
- * Redirect one window for one client
- */
-int
-compRedirectWindow (ClientPtr pClient, WindowPtr pWin, int update)
-{
- CompWindowPtr cw = GetCompWindow (pWin);
- CompClientWindowPtr ccw;
- CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen);
- WindowPtr pLayerWin;
- Bool anyMarked = FALSE;
-
- 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;
- }
-
- anyMarked = compMarkWindows (pWin, &pLayerWin);
-
- /* Make sure our borderClip is correct for ValidateTree */
- RegionNull(&cw->borderClip);
- RegionCopy(&cw->borderClip, &pWin->borderClip);
- cw->borderClipX = pWin->drawable.x;
- cw->borderClipY = pWin->drawable.y;
- 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 (!anyMarked)
- anyMarked = compMarkWindows (pWin, &pLayerWin);
-
- if (cw->damageRegistered)
- {
- DamageUnregister (&pWin->drawable, cw->damage);
- cw->damageRegistered = FALSE;
- }
- cw->update = CompositeRedirectManual;
- }
- else if (cw->update == CompositeRedirectAutomatic && !cw->damageRegistered) {
- if (!anyMarked)
- anyMarked = compMarkWindows (pWin, &pLayerWin);
- }
-
- if (!compCheckRedirect (pWin))
- {
- FreeResource (ccw->id, RT_NONE);
- return BadAlloc;
- }
-
- if (anyMarked)
- compHandleMarkedWindows (pWin, pLayerWin);
-
- return Success;
-}
-
-void
-compRestoreWindow (WindowPtr pWin, PixmapPtr pPixmap)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- WindowPtr pParent = pWin->parent;
-
- if (pParent->drawable.depth == pWin->drawable.depth) {
- GCPtr pGC = GetScratchGC (pWin->drawable.depth, pScreen);
- int bw = (int) pWin->borderWidth;
- int x = bw;
- int y = bw;
- int w = pWin->drawable.width;
- int h = pWin->drawable.height;
-
- if (pGC) {
- ChangeGCVal val;
- val.val = IncludeInferiors;
- ChangeGC (NullClient, pGC, GCSubwindowMode, &val);
- ValidateGC(&pWin->drawable, pGC);
- (*pGC->ops->CopyArea) (&pPixmap->drawable,
- &pWin->drawable,
- pGC,
- x, y, w, h, 0, 0);
- FreeScratchGC (pGC);
- }
- }
-}
-
-/*
- * Free one of the per-client per-window resources, clearing
- * redirect and the per-window pointer as appropriate
- */
-void
-compFreeClientWindow (WindowPtr pWin, XID id)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompWindowPtr cw = GetCompWindow (pWin);
- CompClientWindowPtr ccw, *prev;
- Bool anyMarked = FALSE;
- WindowPtr pLayerWin;
- PixmapPtr pPixmap = NULL;
-
- 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)
- {
- anyMarked = compMarkWindows (pWin, &pLayerWin);
-
- if (pWin->redirectDraw != RedirectDrawNone) {
- pPixmap = (*pScreen->GetWindowPixmap) (pWin);
- compSetParentPixmap (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)
- {
- anyMarked = compMarkWindows (pWin, &pLayerWin);
-
- DamageRegister (&pWin->drawable, cw->damage);
- cw->damageRegistered = TRUE;
- pWin->redirectDraw = RedirectDrawAutomatic;
- DamageDamageRegion(&pWin->drawable, &pWin->borderSize);
- }
-
- if (anyMarked)
- compHandleMarkedWindows (pWin, pLayerWin);
-
- if (pPixmap) {
- compRestoreWindow (pWin, pPixmap);
- (*pScreen->DestroyPixmap) (pPixmap);
- }
-}
-
-/*
- * 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);
- pWin->inhibitBGPaint = 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;
- pWin->inhibitBGPaint = FALSE;
- 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)
-{
- 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;
-
- if (pParent->drawable.depth == pWin->drawable.depth)
- {
- GCPtr pGC = GetScratchGC (pWin->drawable.depth, pScreen);
-
- if (pGC)
- {
- ChangeGCVal val;
- val.val = IncludeInferiors;
- ChangeGC (NullClient, pGC, GCSubwindowMode, &val);
- ValidateGC(&pPixmap->drawable, pGC);
- (*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);
- 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
-compSetParentPixmap (WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- PixmapPtr 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);
- pParentPixmap = (*pScreen->GetWindowPixmap) (pWin->parent);
- pWin->redirectDraw = RedirectDrawNone;
- compSetPixmap (pWin, pParentPixmap);
-}
-
-/*
- * 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);
- 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; +} + +static Bool +compMarkWindows(WindowPtr pWin, + WindowPtr *ppLayerWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + WindowPtr pLayerWin = pWin; + + if (!pWin->viewable) + return FALSE; + + (*pScreen->MarkOverlappedWindows)(pWin, pWin, &pLayerWin); + (*pScreen->MarkWindow)(pLayerWin->parent); + + *ppLayerWin = pLayerWin; + + return TRUE; +} + +static void +compHandleMarkedWindows(WindowPtr pWin, WindowPtr pLayerWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + + (*pScreen->ValidateTree)(pLayerWin->parent, pLayerWin, VTOther); + (*pScreen->HandleExposures)(pLayerWin->parent); + if (pScreen->PostValidateTree) + (*pScreen->PostValidateTree)(pLayerWin->parent, pLayerWin, VTOther); +} + +/* + * Redirect one window for one client + */ +int +compRedirectWindow (ClientPtr pClient, WindowPtr pWin, int update) +{ + CompWindowPtr cw = GetCompWindow (pWin); + CompClientWindowPtr ccw; + CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen); + WindowPtr pLayerWin; + Bool anyMarked = FALSE; + + 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; + } + + anyMarked = compMarkWindows (pWin, &pLayerWin); + + /* Make sure our borderClip is correct for ValidateTree */ + RegionNull(&cw->borderClip); + RegionCopy(&cw->borderClip, &pWin->borderClip); + cw->borderClipX = pWin->drawable.x; + cw->borderClipY = pWin->drawable.y; + 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 (!anyMarked) + anyMarked = compMarkWindows (pWin, &pLayerWin); + + if (cw->damageRegistered) + { + DamageUnregister (&pWin->drawable, cw->damage); + cw->damageRegistered = FALSE; + } + cw->update = CompositeRedirectManual; + } + else if (cw->update == CompositeRedirectAutomatic && !cw->damageRegistered) { + if (!anyMarked) + anyMarked = compMarkWindows (pWin, &pLayerWin); + } + + if (!compCheckRedirect (pWin)) + { + FreeResource (ccw->id, RT_NONE); + return BadAlloc; + } + + if (anyMarked) + compHandleMarkedWindows (pWin, pLayerWin); + + return Success; +} + +void +compRestoreWindow (WindowPtr pWin, PixmapPtr pPixmap) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + WindowPtr pParent = pWin->parent; + + if (pParent->drawable.depth == pWin->drawable.depth) { + GCPtr pGC = GetScratchGC (pWin->drawable.depth, pScreen); + int bw = (int) pWin->borderWidth; + int x = bw; + int y = bw; + int w = pWin->drawable.width; + int h = pWin->drawable.height; + + if (pGC) { + ChangeGCVal val; + val.val = IncludeInferiors; + ChangeGC (NullClient, pGC, GCSubwindowMode, &val); + ValidateGC(&pWin->drawable, pGC); + (*pGC->ops->CopyArea) (&pPixmap->drawable, + &pWin->drawable, + pGC, + x, y, w, h, 0, 0); + FreeScratchGC (pGC); + } + } +} + +/* + * Free one of the per-client per-window resources, clearing + * redirect and the per-window pointer as appropriate + */ +void +compFreeClientWindow (WindowPtr pWin, XID id) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompWindowPtr cw = GetCompWindow (pWin); + CompClientWindowPtr ccw, *prev; + Bool anyMarked = FALSE; + WindowPtr pLayerWin; + PixmapPtr pPixmap = NULL; + + 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) + { + anyMarked = compMarkWindows (pWin, &pLayerWin); + + if (pWin->redirectDraw != RedirectDrawNone) { + pPixmap = (*pScreen->GetWindowPixmap) (pWin); + compSetParentPixmap (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) + { + anyMarked = compMarkWindows (pWin, &pLayerWin); + + DamageRegister (&pWin->drawable, cw->damage); + cw->damageRegistered = TRUE; + pWin->redirectDraw = RedirectDrawAutomatic; + DamageDamageRegion(&pWin->drawable, &pWin->borderSize); + } + + if (anyMarked) + compHandleMarkedWindows (pWin, pLayerWin); + + if (pPixmap) { + compRestoreWindow (pWin, pPixmap); + (*pScreen->DestroyPixmap) (pPixmap); + } +} + +/* + * 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); + pWin->inhibitBGPaint = 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; + pWin->inhibitBGPaint = FALSE; + 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) +{ + 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; + + if (pParent->drawable.depth == pWin->drawable.depth) + { + GCPtr pGC = GetScratchGC (pWin->drawable.depth, pScreen); + + if (pGC) + { + ChangeGCVal val; + val.val = IncludeInferiors; + ChangeGC (NullClient, pGC, GCSubwindowMode, &val); + ValidateGC(&pPixmap->drawable, pGC); + (*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); + 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 +compSetParentPixmap (WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + PixmapPtr 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); + pParentPixmap = (*pScreen->GetWindowPixmap) (pWin->parent); + pWin->redirectDraw = RedirectDrawNone; + compSetPixmap (pWin, pParentPixmap); +} + +/* + * 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); + 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 711236bbf..e0d8e75e4 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/compint.h b/xorg-server/composite/compint.h index 3fef1b93b..bb5335d70 100644 --- a/xorg-server/composite/compint.h +++ b/xorg-server/composite/compint.h @@ -1,336 +1,336 @@ -/*
- * 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
-
-#ifndef _COMPINT_H_
-#define _COMPINT_H_
-
-#include "misc.h"
-#include "scrnintstr.h"
-#include "os.h"
-#include "regionstr.h"
-#include "validate.h"
-#include "windowstr.h"
-#include "input.h"
-#include "resource.h"
-#include "colormapst.h"
-#include "cursorstr.h"
-#include "dixstruct.h"
-#include "gcstruct.h"
-#include "servermd.h"
-#include "dixevents.h"
-#include "globals.h"
-#include "picturestr.h"
-#include "extnsionst.h"
-#include "privates.h"
-#include "mi.h"
-#include "damage.h"
-#include "damageextint.h"
-#include "xfixes.h"
-#include <X11/extensions/compositeproto.h>
-#include <assert.h>
-
-/*
- * enable this for debugging
-
- #define COMPOSITE_DEBUG
- */
-
-typedef struct _CompClientWindow {
- struct _CompClientWindow *next;
- XID id;
- int update;
-} CompClientWindowRec, *CompClientWindowPtr;
-
-typedef struct _CompWindow {
- RegionRec borderClip;
- DamagePtr damage; /* for automatic update mode */
- Bool damageRegistered;
- Bool damaged;
- int update;
- CompClientWindowPtr clients;
- int oldx;
- int oldy;
- PixmapPtr pOldPixmap;
- int borderClipX, borderClipY;
-} CompWindowRec, *CompWindowPtr;
-
-#define COMP_ORIGIN_INVALID 0x80000000
-
-typedef struct _CompSubwindows {
- int update;
- CompClientWindowPtr clients;
-} CompSubwindowsRec, *CompSubwindowsPtr;
-
-#ifndef COMP_INCLUDE_RGB24_VISUAL
-#define COMP_INCLUDE_RGB24_VISUAL 0
-#endif
-
-typedef struct _CompOverlayClientRec *CompOverlayClientPtr;
-
-typedef struct _CompOverlayClientRec {
- CompOverlayClientPtr pNext;
- ClientPtr pClient;
- ScreenPtr pScreen;
- XID resource;
-} CompOverlayClientRec;
-
-typedef struct _CompScreen {
- PositionWindowProcPtr PositionWindow;
- CopyWindowProcPtr CopyWindow;
- CreateWindowProcPtr CreateWindow;
- DestroyWindowProcPtr DestroyWindow;
- RealizeWindowProcPtr RealizeWindow;
- UnrealizeWindowProcPtr UnrealizeWindow;
- ClipNotifyProcPtr ClipNotify;
- /*
- * Called from ConfigureWindow, these
- * three track changes to the offscreen storage
- * geometry
- */
- ConfigNotifyProcPtr ConfigNotify;
- MoveWindowProcPtr MoveWindow;
- ResizeWindowProcPtr ResizeWindow;
- ChangeBorderWidthProcPtr ChangeBorderWidth;
- /*
- * Reparenting has an effect on Subwindows redirect
- */
- ReparentWindowProcPtr ReparentWindow;
-
- /*
- * Colormaps for new visuals better not get installed
- */
- InstallColormapProcPtr InstallColormap;
-
- /*
- * Fake backing store via automatic redirection
- */
- ChangeWindowAttributesProcPtr ChangeWindowAttributes;
-
- ScreenBlockHandlerProcPtr BlockHandler;
- CloseScreenProcPtr CloseScreen;
- int numAlternateVisuals;
- VisualID *alternateVisuals;
-
- WindowPtr pOverlayWin;
- Window overlayWid;
- CompOverlayClientPtr pOverlayClients;
-
- GetImageProcPtr GetImage;
- SourceValidateProcPtr SourceValidate;
-} CompScreenRec, *CompScreenPtr;
-
-extern DevPrivateKeyRec CompScreenPrivateKeyRec;
-#define CompScreenPrivateKey (&CompScreenPrivateKeyRec)
-
-extern DevPrivateKeyRec CompWindowPrivateKeyRec;
-#define CompWindowPrivateKey (&CompWindowPrivateKeyRec)
-
-extern DevPrivateKeyRec CompSubwindowsPrivateKeyRec;
-#define CompSubwindowsPrivateKey (&CompSubwindowsPrivateKeyRec)
-
-#define GetCompScreen(s) ((CompScreenPtr) \
- dixLookupPrivate(&(s)->devPrivates, CompScreenPrivateKey))
-#define GetCompWindow(w) ((CompWindowPtr) \
- dixLookupPrivate(&(w)->devPrivates, CompWindowPrivateKey))
-#define GetCompSubwindows(w) ((CompSubwindowsPtr) \
- dixLookupPrivate(&(w)->devPrivates, CompSubwindowsPrivateKey))
-
-extern RESTYPE CompositeClientWindowType;
-extern RESTYPE CompositeClientSubwindowsType;
-extern RESTYPE CompositeClientOverlayType;
-
-/*
- * compalloc.c
- */
-
-Bool
-compRedirectWindow (ClientPtr pClient, WindowPtr pWin, int update);
-
-void
-compFreeClientWindow (WindowPtr pWin, XID id);
-
-int
-compUnredirectWindow (ClientPtr pClient, WindowPtr pWin, int update);
-
-int
-compRedirectSubwindows (ClientPtr pClient, WindowPtr pWin, int update);
-
-void
-compFreeClientSubwindows (WindowPtr pWin, XID id);
-
-int
-compUnredirectSubwindows (ClientPtr pClient, WindowPtr pWin, int update);
-
-int
-compRedirectOneSubwindow (WindowPtr pParent, WindowPtr pWin);
-
-int
-compUnredirectOneSubwindow (WindowPtr pParent, WindowPtr pWin);
-
-Bool
-compAllocPixmap (WindowPtr pWin);
-
-void
-compSetParentPixmap (WindowPtr pWin);
-
-void
-compRestoreWindow (WindowPtr pWin, PixmapPtr pPixmap);
-
-Bool
-compReallocPixmap (WindowPtr pWin, int x, int y,
- unsigned int w, unsigned int h, int bw);
-
-/*
- * compext.c
- */
-
-void
-CompositeExtensionInit (void);
-
-/*
- * compinit.c
- */
-
-Bool
-compScreenInit (ScreenPtr pScreen);
-
-/*
- * compoverlay.c
- */
-
-void
-compFreeOverlayClient (CompOverlayClientPtr pOcToDel);
-
-CompOverlayClientPtr
-compFindOverlayClient (ScreenPtr pScreen, ClientPtr pClient);
-
-CompOverlayClientPtr
-compCreateOverlayClient (ScreenPtr pScreen, ClientPtr pClient);
-
-Bool
-compCreateOverlayWindow (ScreenPtr pScreen);
-
-void
-compDestroyOverlayWindow (ScreenPtr pScreen);
-
-/*
- * compwindow.c
- */
-
-#ifdef COMPOSITE_DEBUG
-void
-compCheckTree (ScreenPtr pScreen);
-#else
-#define compCheckTree(s)
-#endif
-
-PictFormatPtr
-compWindowFormat (WindowPtr pWin);
-
-void
-compSetPixmap (WindowPtr pWin, PixmapPtr pPixmap);
-
-Bool
-compCheckRedirect (WindowPtr pWin);
-
-Bool
-compPositionWindow (WindowPtr pWin, int x, int y);
-
-Bool
-compRealizeWindow (WindowPtr pWin);
-
-Bool
-compUnrealizeWindow (WindowPtr pWin);
-
-void
-compClipNotify (WindowPtr pWin, int dx, int dy);
-
-void
-compMoveWindow (WindowPtr pWin, int x, int y, WindowPtr pSib, VTKind kind);
-
-void
-compResizeWindow (WindowPtr pWin, int x, int y,
- unsigned int w, unsigned int h, WindowPtr pSib);
-
-void
-compChangeBorderWidth (WindowPtr pWin, unsigned int border_width);
-
-void
-compReparentWindow (WindowPtr pWin, WindowPtr pPriorParent);
-
-Bool
-compCreateWindow (WindowPtr pWin);
-
-Bool
-compDestroyWindow (WindowPtr pWin);
-
-void
-compSetRedirectBorderClip (WindowPtr pWin, RegionPtr pRegion);
-
-RegionPtr
-compGetRedirectBorderClip (WindowPtr pWin);
-
-void
-compCopyWindow (WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc);
-
-void
-compPaintChildrenToWindow (WindowPtr pWin);
-
-WindowPtr
-CompositeRealChildHead (WindowPtr pWin);
-
-int
-DeleteWindowNoInputDevices(pointer value, XID wid);
-
-int
-compConfigNotify(WindowPtr pWin, int x, int y, int w, int h,
- int bw, WindowPtr pSib);
-
-void PanoramiXCompositeInit (void);
-void PanoramiXCompositeReset (void);
-
-#endif /* _COMPINT_H_ */
+/* + * 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 + +#ifndef _COMPINT_H_ +#define _COMPINT_H_ + +#include "misc.h" +#include "scrnintstr.h" +#include "os.h" +#include "regionstr.h" +#include "validate.h" +#include "windowstr.h" +#include "input.h" +#include "resource.h" +#include "colormapst.h" +#include "cursorstr.h" +#include "dixstruct.h" +#include "gcstruct.h" +#include "servermd.h" +#include "dixevents.h" +#include "globals.h" +#include "picturestr.h" +#include "extnsionst.h" +#include "privates.h" +#include "mi.h" +#include "damage.h" +#include "damageextint.h" +#include "xfixes.h" +#include <X11/extensions/compositeproto.h> +#include <assert.h> + +/* + * enable this for debugging + + #define COMPOSITE_DEBUG + */ + +typedef struct _CompClientWindow { + struct _CompClientWindow *next; + XID id; + int update; +} CompClientWindowRec, *CompClientWindowPtr; + +typedef struct _CompWindow { + RegionRec borderClip; + DamagePtr damage; /* for automatic update mode */ + Bool damageRegistered; + Bool damaged; + int update; + CompClientWindowPtr clients; + int oldx; + int oldy; + PixmapPtr pOldPixmap; + int borderClipX, borderClipY; +} CompWindowRec, *CompWindowPtr; + +#define COMP_ORIGIN_INVALID 0x80000000 + +typedef struct _CompSubwindows { + int update; + CompClientWindowPtr clients; +} CompSubwindowsRec, *CompSubwindowsPtr; + +#ifndef COMP_INCLUDE_RGB24_VISUAL +#define COMP_INCLUDE_RGB24_VISUAL 0 +#endif + +typedef struct _CompOverlayClientRec *CompOverlayClientPtr; + +typedef struct _CompOverlayClientRec { + CompOverlayClientPtr pNext; + ClientPtr pClient; + ScreenPtr pScreen; + XID resource; +} CompOverlayClientRec; + +typedef struct _CompScreen { + PositionWindowProcPtr PositionWindow; + CopyWindowProcPtr CopyWindow; + CreateWindowProcPtr CreateWindow; + DestroyWindowProcPtr DestroyWindow; + RealizeWindowProcPtr RealizeWindow; + UnrealizeWindowProcPtr UnrealizeWindow; + ClipNotifyProcPtr ClipNotify; + /* + * Called from ConfigureWindow, these + * three track changes to the offscreen storage + * geometry + */ + ConfigNotifyProcPtr ConfigNotify; + MoveWindowProcPtr MoveWindow; + ResizeWindowProcPtr ResizeWindow; + ChangeBorderWidthProcPtr ChangeBorderWidth; + /* + * Reparenting has an effect on Subwindows redirect + */ + ReparentWindowProcPtr ReparentWindow; + + /* + * Colormaps for new visuals better not get installed + */ + InstallColormapProcPtr InstallColormap; + + /* + * Fake backing store via automatic redirection + */ + ChangeWindowAttributesProcPtr ChangeWindowAttributes; + + ScreenBlockHandlerProcPtr BlockHandler; + CloseScreenProcPtr CloseScreen; + int numAlternateVisuals; + VisualID *alternateVisuals; + + WindowPtr pOverlayWin; + Window overlayWid; + CompOverlayClientPtr pOverlayClients; + + GetImageProcPtr GetImage; + SourceValidateProcPtr SourceValidate; +} CompScreenRec, *CompScreenPtr; + +extern DevPrivateKeyRec CompScreenPrivateKeyRec; +#define CompScreenPrivateKey (&CompScreenPrivateKeyRec) + +extern DevPrivateKeyRec CompWindowPrivateKeyRec; +#define CompWindowPrivateKey (&CompWindowPrivateKeyRec) + +extern DevPrivateKeyRec CompSubwindowsPrivateKeyRec; +#define CompSubwindowsPrivateKey (&CompSubwindowsPrivateKeyRec) + +#define GetCompScreen(s) ((CompScreenPtr) \ + dixLookupPrivate(&(s)->devPrivates, CompScreenPrivateKey)) +#define GetCompWindow(w) ((CompWindowPtr) \ + dixLookupPrivate(&(w)->devPrivates, CompWindowPrivateKey)) +#define GetCompSubwindows(w) ((CompSubwindowsPtr) \ + dixLookupPrivate(&(w)->devPrivates, CompSubwindowsPrivateKey)) + +extern RESTYPE CompositeClientWindowType; +extern RESTYPE CompositeClientSubwindowsType; +extern RESTYPE CompositeClientOverlayType; + +/* + * compalloc.c + */ + +Bool +compRedirectWindow (ClientPtr pClient, WindowPtr pWin, int update); + +void +compFreeClientWindow (WindowPtr pWin, XID id); + +int +compUnredirectWindow (ClientPtr pClient, WindowPtr pWin, int update); + +int +compRedirectSubwindows (ClientPtr pClient, WindowPtr pWin, int update); + +void +compFreeClientSubwindows (WindowPtr pWin, XID id); + +int +compUnredirectSubwindows (ClientPtr pClient, WindowPtr pWin, int update); + +int +compRedirectOneSubwindow (WindowPtr pParent, WindowPtr pWin); + +int +compUnredirectOneSubwindow (WindowPtr pParent, WindowPtr pWin); + +Bool +compAllocPixmap (WindowPtr pWin); + +void +compSetParentPixmap (WindowPtr pWin); + +void +compRestoreWindow (WindowPtr pWin, PixmapPtr pPixmap); + +Bool +compReallocPixmap (WindowPtr pWin, int x, int y, + unsigned int w, unsigned int h, int bw); + +/* + * compext.c + */ + +void +CompositeExtensionInit (void); + +/* + * compinit.c + */ + +Bool +compScreenInit (ScreenPtr pScreen); + +/* + * compoverlay.c + */ + +void +compFreeOverlayClient (CompOverlayClientPtr pOcToDel); + +CompOverlayClientPtr +compFindOverlayClient (ScreenPtr pScreen, ClientPtr pClient); + +CompOverlayClientPtr +compCreateOverlayClient (ScreenPtr pScreen, ClientPtr pClient); + +Bool +compCreateOverlayWindow (ScreenPtr pScreen); + +void +compDestroyOverlayWindow (ScreenPtr pScreen); + +/* + * compwindow.c + */ + +#ifdef COMPOSITE_DEBUG +void +compCheckTree (ScreenPtr pScreen); +#else +#define compCheckTree(s) +#endif + +PictFormatPtr +compWindowFormat (WindowPtr pWin); + +void +compSetPixmap (WindowPtr pWin, PixmapPtr pPixmap); + +Bool +compCheckRedirect (WindowPtr pWin); + +Bool +compPositionWindow (WindowPtr pWin, int x, int y); + +Bool +compRealizeWindow (WindowPtr pWin); + +Bool +compUnrealizeWindow (WindowPtr pWin); + +void +compClipNotify (WindowPtr pWin, int dx, int dy); + +void +compMoveWindow (WindowPtr pWin, int x, int y, WindowPtr pSib, VTKind kind); + +void +compResizeWindow (WindowPtr pWin, int x, int y, + unsigned int w, unsigned int h, WindowPtr pSib); + +void +compChangeBorderWidth (WindowPtr pWin, unsigned int border_width); + +void +compReparentWindow (WindowPtr pWin, WindowPtr pPriorParent); + +Bool +compCreateWindow (WindowPtr pWin); + +Bool +compDestroyWindow (WindowPtr pWin); + +void +compSetRedirectBorderClip (WindowPtr pWin, RegionPtr pRegion); + +RegionPtr +compGetRedirectBorderClip (WindowPtr pWin); + +void +compCopyWindow (WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc); + +void +compPaintChildrenToWindow (WindowPtr pWin); + +WindowPtr +CompositeRealChildHead (WindowPtr pWin); + +int +DeleteWindowNoInputDevices(pointer value, XID wid); + +int +compConfigNotify(WindowPtr pWin, int x, int y, int w, int h, + int bw, WindowPtr pSib); + +void PanoramiXCompositeInit (void); +void PanoramiXCompositeReset (void); + +#endif /* _COMPINT_H_ */ diff --git a/xorg-server/composite/compwindow.c b/xorg-server/composite/compwindow.c index 967e992c9..d2a866d6f 100644 --- a/xorg-server/composite/compwindow.c +++ b/xorg-server/composite/compwindow.c @@ -1,832 +1,832 @@ -/*
- * 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"
-
-#ifdef PANORAMIX
-#include "panoramiXsrv.h"
-#endif
-
-#ifdef COMPOSITE_DEBUG
-static int
-compCheckWindow (WindowPtr pWin, pointer data)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- PixmapPtr pWinPixmap = (*pScreen->GetWindowPixmap) (pWin);
- PixmapPtr pParentPixmap = pWin->parent ? (*pScreen->GetWindowPixmap) (pWin->parent) : 0;
- PixmapPtr pScreenPixmap = (*pScreen->GetScreenPixmap) (pScreen);
-
- if (!pWin->parent)
- {
- assert (pWin->redirectDraw == RedirectDrawNone);
- assert (pWinPixmap == pScreenPixmap);
- }
- else if (pWin->redirectDraw != RedirectDrawNone)
- {
- assert (pWinPixmap != pParentPixmap);
- assert (pWinPixmap != pScreenPixmap);
- }
- else
- {
- assert (pWinPixmap == pParentPixmap);
- }
- assert (0 < pWinPixmap->refcnt && pWinPixmap->refcnt < 3);
- assert (0 < pScreenPixmap->refcnt && pScreenPixmap->refcnt < 3);
- if (pParentPixmap)
- assert (0 <= pParentPixmap->refcnt && pParentPixmap->refcnt < 3);
- return WT_WALKCHILDREN;
-}
-
-void
-compCheckTree (ScreenPtr pScreen)
-{
- WalkTree (pScreen, compCheckWindow, 0);
-}
-#endif
-
-typedef struct _compPixmapVisit {
- WindowPtr pWindow;
- PixmapPtr pPixmap;
-} CompPixmapVisitRec, *CompPixmapVisitPtr;
-
-static Bool
-compRepaintBorder (ClientPtr pClient, pointer closure)
-{
- WindowPtr pWindow;
- int rc = dixLookupWindow(&pWindow, (XID)(intptr_t)closure, pClient, DixWriteAccess);
-
- if (rc == Success) {
- RegionRec exposed;
-
- RegionNull(&exposed);
- RegionSubtract(&exposed, &pWindow->borderClip, &pWindow->winSize);
- miPaintWindow(pWindow, &exposed, PW_BORDER);
- RegionUninit(&exposed);
- }
- return TRUE;
-}
-
-static int
-compSetPixmapVisitWindow (WindowPtr pWindow, pointer data)
-{
- CompPixmapVisitPtr pVisit = (CompPixmapVisitPtr) data;
- ScreenPtr pScreen = pWindow->drawable.pScreen;
-
- if (pWindow != pVisit->pWindow && pWindow->redirectDraw != RedirectDrawNone)
- return WT_DONTWALKCHILDREN;
- (*pScreen->SetWindowPixmap) (pWindow, pVisit->pPixmap);
- /*
- * Recompute winSize and borderSize. This is duplicate effort
- * when resizing pixmaps, but necessary when changing redirection.
- * Might be nice to fix this.
- */
- SetWinSize (pWindow);
- SetBorderSize (pWindow);
- if (HasBorder (pWindow))
- QueueWorkProc (compRepaintBorder, serverClient,
- (pointer)(intptr_t) pWindow->drawable.id);
- return WT_WALKCHILDREN;
-}
-
-void
-compSetPixmap (WindowPtr pWindow, PixmapPtr pPixmap)
-{
- CompPixmapVisitRec visitRec;
-
- visitRec.pWindow = pWindow;
- visitRec.pPixmap = pPixmap;
- TraverseTree (pWindow, compSetPixmapVisitWindow, (pointer) &visitRec);
- compCheckTree (pWindow->drawable.pScreen);
-}
-
-Bool
-compCheckRedirect (WindowPtr pWin)
-{
- CompWindowPtr cw = GetCompWindow (pWin);
- CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen);
- Bool should;
-
- should = pWin->realized && (pWin->drawable.class != InputOnly) &&
- (cw != NULL) && (pWin->parent != NULL);
-
- /* Never redirect the overlay window */
- if (cs->pOverlayWin != NULL) {
- if (pWin == cs->pOverlayWin) {
- should = FALSE;
- }
- }
-
- if (should != (pWin->redirectDraw != RedirectDrawNone))
- {
- if (should)
- return compAllocPixmap (pWin);
- else {
- ScreenPtr pScreen = pWin->drawable.pScreen;
- PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
- compSetParentPixmap (pWin);
- compRestoreWindow (pWin, pPixmap);
- (*pScreen->DestroyPixmap) (pPixmap);
- }
- } else if (should) {
- if (cw->update == CompositeRedirectAutomatic)
- pWin->redirectDraw = RedirectDrawAutomatic;
- else
- pWin->redirectDraw = RedirectDrawManual;
- }
- return TRUE;
-}
-
-static int
-updateOverlayWindow(ScreenPtr pScreen)
-{
- CompScreenPtr cs;
- WindowPtr pWin; /* overlay window */
- XID vlist[2];
- int w = pScreen->width;
- int h = pScreen->height;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension)
- {
- w = PanoramiXPixWidth;
- h = PanoramiXPixHeight;
- }
-#endif
-
- cs = GetCompScreen(pScreen);
- if ((pWin = cs->pOverlayWin) != NULL) {
- if ((pWin->drawable.width == w) &&
- (pWin->drawable.height == h))
- return Success;
-
- /* Let's resize the overlay window. */
- vlist[0] = w;
- vlist[1] = h;
- return ConfigureWindow(pWin, CWWidth | CWHeight, vlist, wClient(pWin));
- }
-
- /* Let's be on the safe side and not assume an overlay window is always allocated. */
- return Success;
-}
-
-Bool
-compPositionWindow (WindowPtr pWin, int x, int y)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
- Bool ret = TRUE;
-
- pScreen->PositionWindow = cs->PositionWindow;
- /*
- * "Shouldn't need this as all possible places should be wrapped
- *
- compCheckRedirect (pWin);
- */
-#ifdef COMPOSITE_DEBUG
- if ((pWin->redirectDraw != RedirectDrawNone) !=
- (pWin->viewable && (GetCompWindow(pWin) != NULL)))
- OsAbort ();
-#endif
- if (pWin->redirectDraw != RedirectDrawNone)
- {
- PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
- int bw = wBorderWidth (pWin);
- int nx = pWin->drawable.x - bw;
- int ny = pWin->drawable.y - bw;
-
- if (pPixmap->screen_x != nx || pPixmap->screen_y != ny)
- {
- pPixmap->screen_x = nx;
- pPixmap->screen_y = ny;
- pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
- }
- }
-
- if (!(*pScreen->PositionWindow) (pWin, x, y))
- ret = FALSE;
- cs->PositionWindow = pScreen->PositionWindow;
- pScreen->PositionWindow = compPositionWindow;
- compCheckTree (pWin->drawable.pScreen);
- if (updateOverlayWindow(pScreen) != Success)
- ret = FALSE;
- return ret;
-}
-
-Bool
-compRealizeWindow (WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
- Bool ret = TRUE;
-
- pScreen->RealizeWindow = cs->RealizeWindow;
- compCheckRedirect (pWin);
- if (!(*pScreen->RealizeWindow) (pWin))
- ret = FALSE;
- cs->RealizeWindow = pScreen->RealizeWindow;
- pScreen->RealizeWindow = compRealizeWindow;
- compCheckTree (pWin->drawable.pScreen);
- return ret;
-}
-
-Bool
-compUnrealizeWindow (WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
- Bool ret = TRUE;
-
- pScreen->UnrealizeWindow = cs->UnrealizeWindow;
- compCheckRedirect (pWin);
- if (!(*pScreen->UnrealizeWindow) (pWin))
- ret = FALSE;
- cs->UnrealizeWindow = pScreen->UnrealizeWindow;
- pScreen->UnrealizeWindow = compUnrealizeWindow;
- compCheckTree (pWin->drawable.pScreen);
- return ret;
-}
-
-/*
- * Called after the borderClip for the window has settled down
- * We use this to make sure our extra borderClip has the right origin
- */
-
-void
-compClipNotify (WindowPtr pWin, int dx, int dy)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
- CompWindowPtr cw = GetCompWindow (pWin);
-
- if (cw)
- {
- if (cw->borderClipX != pWin->drawable.x ||
- cw->borderClipY != pWin->drawable.y)
- {
- RegionTranslate(&cw->borderClip,
- pWin->drawable.x - cw->borderClipX,
- pWin->drawable.y - cw->borderClipY);
- cw->borderClipX = pWin->drawable.x;
- cw->borderClipY = pWin->drawable.y;
- }
- }
- if (cs->ClipNotify)
- {
- pScreen->ClipNotify = cs->ClipNotify;
- (*pScreen->ClipNotify) (pWin, dx, dy);
- cs->ClipNotify = pScreen->ClipNotify;
- pScreen->ClipNotify = compClipNotify;
- }
-}
-
-/*
- * Returns TRUE if the window needs server-provided automatic redirect,
- * which is true if the child and parent aren't both regular or ARGB visuals
- */
-
-static Bool
-compIsAlternateVisual (ScreenPtr pScreen,
- XID visual)
-{
- CompScreenPtr cs = GetCompScreen (pScreen);
- int i;
-
- for (i = 0; i < cs->numAlternateVisuals; i++)
- if (cs->alternateVisuals[i] == visual)
- return TRUE;
- return FALSE;
-}
-
-static Bool
-compImplicitRedirect (WindowPtr pWin, WindowPtr pParent)
-{
- if (pParent)
- {
- ScreenPtr pScreen = pWin->drawable.pScreen;
- XID winVisual = wVisual (pWin);
- XID parentVisual = wVisual (pParent);
-
- if (winVisual != parentVisual &&
- (compIsAlternateVisual (pScreen, winVisual) ||
- compIsAlternateVisual (pScreen, parentVisual)))
- return TRUE;
- }
- return FALSE;
-}
-
-static void compFreeOldPixmap(WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- if (pWin->redirectDraw != RedirectDrawNone)
- {
- CompWindowPtr cw = GetCompWindow (pWin);
- if (cw->pOldPixmap)
- {
- (*pScreen->DestroyPixmap) (cw->pOldPixmap);
- cw->pOldPixmap = NullPixmap;
- }
- }
-}
-void
-compMoveWindow (WindowPtr pWin, int x, int y, WindowPtr pSib, VTKind kind)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
-
- pScreen->MoveWindow = cs->MoveWindow;
- (*pScreen->MoveWindow) (pWin, x, y, pSib, kind);
- cs->MoveWindow = pScreen->MoveWindow;
- pScreen->MoveWindow = compMoveWindow;
-
- compFreeOldPixmap(pWin);
- compCheckTree (pScreen);
-}
-
-void
-compResizeWindow (WindowPtr pWin, int x, int y,
- unsigned int w, unsigned int h, WindowPtr pSib)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
-
- pScreen->ResizeWindow = cs->ResizeWindow;
- (*pScreen->ResizeWindow) (pWin, x, y, w, h, pSib);
- cs->ResizeWindow = pScreen->ResizeWindow;
- pScreen->ResizeWindow = compResizeWindow;
-
- compFreeOldPixmap(pWin);
- compCheckTree (pWin->drawable.pScreen);
-}
-
-void
-compChangeBorderWidth (WindowPtr pWin, unsigned int bw)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
-
- pScreen->ChangeBorderWidth = cs->ChangeBorderWidth;
- (*pScreen->ChangeBorderWidth) (pWin, bw);
- cs->ChangeBorderWidth = pScreen->ChangeBorderWidth;
- pScreen->ChangeBorderWidth = compChangeBorderWidth;
-
- compFreeOldPixmap(pWin);
- compCheckTree (pWin->drawable.pScreen);
-}
-
-void
-compReparentWindow (WindowPtr pWin, WindowPtr pPriorParent)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
-
- pScreen->ReparentWindow = cs->ReparentWindow;
- /*
- * Remove any implicit redirect due to synthesized visual
- */
- if (compImplicitRedirect (pWin, pPriorParent))
- compUnredirectWindow (serverClient, pWin, CompositeRedirectAutomatic);
- /*
- * Handle subwindows redirection
- */
- compUnredirectOneSubwindow (pPriorParent, pWin);
- compRedirectOneSubwindow (pWin->parent, pWin);
- /*
- * Add any implict redirect due to synthesized visual
- */
- if (compImplicitRedirect (pWin, pWin->parent))
- compRedirectWindow (serverClient, pWin, CompositeRedirectAutomatic);
-
- /*
- * Allocate any necessary redirect pixmap
- * (this actually should never be true; pWin is always unmapped)
- */
- compCheckRedirect (pWin);
-
- /*
- * Reset pixmap pointers as appropriate
- */
- if (pWin->parent && pWin->redirectDraw == RedirectDrawNone)
- compSetPixmap (pWin, (*pScreen->GetWindowPixmap) (pWin->parent));
- /*
- * Call down to next function
- */
- if (pScreen->ReparentWindow)
- (*pScreen->ReparentWindow) (pWin, pPriorParent);
- cs->ReparentWindow = pScreen->ReparentWindow;
- pScreen->ReparentWindow = compReparentWindow;
- compCheckTree (pWin->drawable.pScreen);
-}
-
-void
-compCopyWindow (WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
- int dx = 0, dy = 0;
-
- if (pWin->redirectDraw != RedirectDrawNone)
- {
- PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
- CompWindowPtr cw = GetCompWindow (pWin);
-
- assert (cw->oldx != COMP_ORIGIN_INVALID);
- assert (cw->oldy != COMP_ORIGIN_INVALID);
- if (cw->pOldPixmap)
- {
- /*
- * Ok, the old bits are available in pOldPixmap and
- * need to be copied to pNewPixmap.
- */
- RegionRec rgnDst;
- PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
- GCPtr pGC;
-
- dx = ptOldOrg.x - pWin->drawable.x;
- dy = ptOldOrg.y - pWin->drawable.y;
- RegionTranslate(prgnSrc, -dx, -dy);
-
- RegionNull(&rgnDst);
-
- RegionIntersect(&rgnDst,
- &pWin->borderClip, prgnSrc);
-
- RegionTranslate(&rgnDst,
- -pPixmap->screen_x, -pPixmap->screen_y);
-
- dx = dx + pPixmap->screen_x - cw->oldx;
- dy = dy + pPixmap->screen_y - cw->oldy;
- pGC = GetScratchGC (pPixmap->drawable.depth, pScreen);
- if (pGC)
- {
- BoxPtr pBox = RegionRects (&rgnDst);
- int nBox = RegionNumRects (&rgnDst);
-
- ValidateGC(&pPixmap->drawable, pGC);
- while (nBox--)
- {
- (void) (*pGC->ops->CopyArea) (&cw->pOldPixmap->drawable,
- &pPixmap->drawable,
- pGC,
- pBox->x1 + dx, pBox->y1 + dy,
- pBox->x2 - pBox->x1,
- pBox->y2 - pBox->y1,
- pBox->x1, pBox->y1);
- pBox++;
- }
- FreeScratchGC (pGC);
- }
- return;
- }
- dx = pPixmap->screen_x - cw->oldx;
- dy = pPixmap->screen_y - cw->oldy;
- ptOldOrg.x += dx;
- ptOldOrg.y += dy;
- }
-
- pScreen->CopyWindow = cs->CopyWindow;
- if (ptOldOrg.x != pWin->drawable.x || ptOldOrg.y != pWin->drawable.y)
- {
- if (dx || dy)
- RegionTranslate(prgnSrc, dx, dy);
- (*pScreen->CopyWindow) (pWin, ptOldOrg, prgnSrc);
- if (dx || dy)
- RegionTranslate(prgnSrc, -dx, -dy);
- }
- else
- {
- ptOldOrg.x -= dx;
- ptOldOrg.y -= dy;
- RegionTranslate(prgnSrc,
- pWin->drawable.x - ptOldOrg.x,
- pWin->drawable.y - ptOldOrg.y);
- DamageDamageRegion(&pWin->drawable, prgnSrc);
- }
- cs->CopyWindow = pScreen->CopyWindow;
- pScreen->CopyWindow = compCopyWindow;
- compCheckTree (pWin->drawable.pScreen);
-}
-
-Bool
-compCreateWindow (WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
- Bool ret;
-
- pScreen->CreateWindow = cs->CreateWindow;
- ret = (*pScreen->CreateWindow) (pWin);
- if (pWin->parent && ret)
- {
- CompSubwindowsPtr csw = GetCompSubwindows (pWin->parent);
- CompClientWindowPtr ccw;
-
- (*pScreen->SetWindowPixmap) (pWin, (*pScreen->GetWindowPixmap) (pWin->parent));
- if (csw)
- for (ccw = csw->clients; ccw; ccw = ccw->next)
- compRedirectWindow (clients[CLIENT_ID(ccw->id)],
- pWin, ccw->update);
- if (compImplicitRedirect (pWin, pWin->parent))
- compRedirectWindow (serverClient, pWin, CompositeRedirectAutomatic);
- }
- cs->CreateWindow = pScreen->CreateWindow;
- pScreen->CreateWindow = compCreateWindow;
- compCheckTree (pWin->drawable.pScreen);
- return ret;
-}
-
-Bool
-compDestroyWindow (WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
- CompWindowPtr cw;
- CompSubwindowsPtr csw;
- Bool ret;
-
- pScreen->DestroyWindow = cs->DestroyWindow;
- while ((cw = GetCompWindow (pWin)))
- FreeResource (cw->clients->id, RT_NONE);
- while ((csw = GetCompSubwindows (pWin)))
- FreeResource (csw->clients->id, RT_NONE);
-
- if (pWin->redirectDraw != RedirectDrawNone) {
- PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
- compSetParentPixmap (pWin);
- (*pScreen->DestroyPixmap) (pPixmap);
- }
- ret = (*pScreen->DestroyWindow) (pWin);
- cs->DestroyWindow = pScreen->DestroyWindow;
- pScreen->DestroyWindow = compDestroyWindow;
-/* compCheckTree (pWin->drawable.pScreen); can't check -- tree isn't good*/
- return ret;
-}
-
-void
-compSetRedirectBorderClip (WindowPtr pWin, RegionPtr pRegion)
-{
- CompWindowPtr cw = GetCompWindow (pWin);
- RegionRec damage;
-
- RegionNull(&damage);
- /*
- * Align old border clip with new border clip
- */
- RegionTranslate(&cw->borderClip,
- pWin->drawable.x - cw->borderClipX,
- pWin->drawable.y - cw->borderClipY);
- /*
- * Compute newly visible portion of window for repaint
- */
- RegionSubtract(&damage, pRegion, &cw->borderClip);
- /*
- * Report that as damaged so it will be redrawn
- */
- DamageDamageRegion(&pWin->drawable, &damage);
- RegionUninit(&damage);
- /*
- * Save the new border clip region
- */
- RegionCopy(&cw->borderClip, pRegion);
- cw->borderClipX = pWin->drawable.x;
- cw->borderClipY = pWin->drawable.y;
-}
-
-RegionPtr
-compGetRedirectBorderClip (WindowPtr pWin)
-{
- CompWindowPtr cw = GetCompWindow (pWin);
-
- return &cw->borderClip;
-}
-
-static VisualPtr
-compGetWindowVisual (WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- VisualID vid = wVisual (pWin);
- int i;
-
- for (i = 0; i < pScreen->numVisuals; i++)
- if (pScreen->visuals[i].vid == vid)
- return &pScreen->visuals[i];
- return 0;
-}
-
-PictFormatPtr
-compWindowFormat (WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- return PictureMatchVisual (pScreen, pWin->drawable.depth,
- compGetWindowVisual (pWin));
-}
-
-static void
-compWindowUpdateAutomatic (WindowPtr pWin)
-{
- CompWindowPtr cw = GetCompWindow (pWin);
- ScreenPtr pScreen = pWin->drawable.pScreen;
- WindowPtr pParent = pWin->parent;
- PixmapPtr pSrcPixmap = (*pScreen->GetWindowPixmap) (pWin);
- PictFormatPtr pSrcFormat = compWindowFormat (pWin);
- PictFormatPtr pDstFormat = compWindowFormat (pWin->parent);
- int error;
- RegionPtr pRegion = DamageRegion (cw->damage);
- PicturePtr pSrcPicture = CreatePicture (0, &pSrcPixmap->drawable,
- pSrcFormat,
- 0, 0,
- serverClient,
- &error);
- XID subwindowMode = IncludeInferiors;
- PicturePtr pDstPicture = CreatePicture (0, &pParent->drawable,
- pDstFormat,
- CPSubwindowMode,
- &subwindowMode,
- serverClient,
- &error);
-
- /*
- * First move the region from window to screen coordinates
- */
- RegionTranslate(pRegion,
- pWin->drawable.x, pWin->drawable.y);
-
- /*
- * Clip against the "real" border clip
- */
- RegionIntersect(pRegion, pRegion, &cw->borderClip);
-
- /*
- * Now translate from screen to dest coordinates
- */
- RegionTranslate(pRegion,
- -pParent->drawable.x, -pParent->drawable.y);
-
- /*
- * Clip the picture
- */
- SetPictureClipRegion (pDstPicture, 0, 0, pRegion);
-
- /*
- * And paint
- */
- CompositePicture (PictOpSrc,
- pSrcPicture,
- 0,
- pDstPicture,
- 0, 0, /* src_x, src_y */
- 0, 0, /* msk_x, msk_y */
- pSrcPixmap->screen_x - pParent->drawable.x,
- pSrcPixmap->screen_y - pParent->drawable.y,
- pSrcPixmap->drawable.width,
- pSrcPixmap->drawable.height);
- FreePicture (pSrcPicture, 0);
- FreePicture (pDstPicture, 0);
- /*
- * Empty the damage region. This has the nice effect of
- * rendering the translations above harmless
- */
- DamageEmpty (cw->damage);
-}
-
-static void
-compPaintWindowToParent (WindowPtr pWin)
-{
- compPaintChildrenToWindow (pWin);
-
- if (pWin->redirectDraw != RedirectDrawNone)
- {
- CompWindowPtr cw = GetCompWindow(pWin);
-
- if (cw->damaged)
- {
- compWindowUpdateAutomatic (pWin);
- cw->damaged = FALSE;
- }
- }
-}
-
-void
-compPaintChildrenToWindow (WindowPtr pWin)
-{
- WindowPtr pChild;
-
- if (!pWin->damagedDescendants)
- return;
-
- for (pChild = pWin->lastChild; pChild; pChild = pChild->prevSib)
- compPaintWindowToParent (pChild);
-
- pWin->damagedDescendants = FALSE;
-}
-
-WindowPtr
-CompositeRealChildHead (WindowPtr pWin)
-{
- WindowPtr pChild, pChildBefore;
- CompScreenPtr cs;
-
- if (!pWin->parent &&
- (screenIsSaved == SCREEN_SAVER_ON) &&
- (HasSaverWindow (pWin->drawable.pScreen))) {
-
- /* First child is the screen saver; see if next child is the overlay */
- pChildBefore = pWin->firstChild;
- pChild = pChildBefore->nextSib;
-
- } else {
- pChildBefore = NullWindow;
- pChild = pWin->firstChild;
- }
-
- if (!pChild) {
- return NullWindow;
- }
-
- cs = GetCompScreen(pWin->drawable.pScreen);
- if (pChild == cs->pOverlayWin) {
- return pChild;
- } else {
- return pChildBefore;
- }
-}
-
-int
-compConfigNotify(WindowPtr pWin, int x, int y, int w, int h,
- int bw, WindowPtr pSib)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
- Bool ret = 0;
- WindowPtr pParent = pWin->parent;
- int draw_x, draw_y;
- Bool alloc_ret;
-
- if (cs->ConfigNotify)
- {
- pScreen->ConfigNotify = cs->ConfigNotify;
- ret = (*pScreen->ConfigNotify)(pWin, x, y, w, h, bw, pSib);
- cs->ConfigNotify = pScreen->ConfigNotify;
- pScreen->ConfigNotify = compConfigNotify;
-
- if (ret)
- return ret;
- }
-
- if (pWin->redirectDraw == RedirectDrawNone)
- return Success;
-
- compCheckTree (pScreen);
-
- draw_x = pParent->drawable.x + x + bw;
- draw_y = pParent->drawable.y + y + bw;
- alloc_ret = compReallocPixmap (pWin, draw_x, draw_y, w, h, bw);
-
- if (alloc_ret == FALSE)
- return BadAlloc;
- return Success;
-}
+/* + * 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" + +#ifdef PANORAMIX +#include "panoramiXsrv.h" +#endif + +#ifdef COMPOSITE_DEBUG +static int +compCheckWindow (WindowPtr pWin, pointer data) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + PixmapPtr pWinPixmap = (*pScreen->GetWindowPixmap) (pWin); + PixmapPtr pParentPixmap = pWin->parent ? (*pScreen->GetWindowPixmap) (pWin->parent) : 0; + PixmapPtr pScreenPixmap = (*pScreen->GetScreenPixmap) (pScreen); + + if (!pWin->parent) + { + assert (pWin->redirectDraw == RedirectDrawNone); + assert (pWinPixmap == pScreenPixmap); + } + else if (pWin->redirectDraw != RedirectDrawNone) + { + assert (pWinPixmap != pParentPixmap); + assert (pWinPixmap != pScreenPixmap); + } + else + { + assert (pWinPixmap == pParentPixmap); + } + assert (0 < pWinPixmap->refcnt && pWinPixmap->refcnt < 3); + assert (0 < pScreenPixmap->refcnt && pScreenPixmap->refcnt < 3); + if (pParentPixmap) + assert (0 <= pParentPixmap->refcnt && pParentPixmap->refcnt < 3); + return WT_WALKCHILDREN; +} + +void +compCheckTree (ScreenPtr pScreen) +{ + WalkTree (pScreen, compCheckWindow, 0); +} +#endif + +typedef struct _compPixmapVisit { + WindowPtr pWindow; + PixmapPtr pPixmap; +} CompPixmapVisitRec, *CompPixmapVisitPtr; + +static Bool +compRepaintBorder (ClientPtr pClient, pointer closure) +{ + WindowPtr pWindow; + int rc = dixLookupWindow(&pWindow, (XID)(intptr_t)closure, pClient, DixWriteAccess); + + if (rc == Success) { + RegionRec exposed; + + RegionNull(&exposed); + RegionSubtract(&exposed, &pWindow->borderClip, &pWindow->winSize); + miPaintWindow(pWindow, &exposed, PW_BORDER); + RegionUninit(&exposed); + } + return TRUE; +} + +static int +compSetPixmapVisitWindow (WindowPtr pWindow, pointer data) +{ + CompPixmapVisitPtr pVisit = (CompPixmapVisitPtr) data; + ScreenPtr pScreen = pWindow->drawable.pScreen; + + if (pWindow != pVisit->pWindow && pWindow->redirectDraw != RedirectDrawNone) + return WT_DONTWALKCHILDREN; + (*pScreen->SetWindowPixmap) (pWindow, pVisit->pPixmap); + /* + * Recompute winSize and borderSize. This is duplicate effort + * when resizing pixmaps, but necessary when changing redirection. + * Might be nice to fix this. + */ + SetWinSize (pWindow); + SetBorderSize (pWindow); + if (HasBorder (pWindow)) + QueueWorkProc (compRepaintBorder, serverClient, + (pointer)(intptr_t) pWindow->drawable.id); + return WT_WALKCHILDREN; +} + +void +compSetPixmap (WindowPtr pWindow, PixmapPtr pPixmap) +{ + CompPixmapVisitRec visitRec; + + visitRec.pWindow = pWindow; + visitRec.pPixmap = pPixmap; + TraverseTree (pWindow, compSetPixmapVisitWindow, (pointer) &visitRec); + compCheckTree (pWindow->drawable.pScreen); +} + +Bool +compCheckRedirect (WindowPtr pWin) +{ + CompWindowPtr cw = GetCompWindow (pWin); + CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen); + Bool should; + + should = pWin->realized && (pWin->drawable.class != InputOnly) && + (cw != NULL) && (pWin->parent != NULL); + + /* Never redirect the overlay window */ + if (cs->pOverlayWin != NULL) { + if (pWin == cs->pOverlayWin) { + should = FALSE; + } + } + + if (should != (pWin->redirectDraw != RedirectDrawNone)) + { + if (should) + return compAllocPixmap (pWin); + else { + ScreenPtr pScreen = pWin->drawable.pScreen; + PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin); + compSetParentPixmap (pWin); + compRestoreWindow (pWin, pPixmap); + (*pScreen->DestroyPixmap) (pPixmap); + } + } else if (should) { + if (cw->update == CompositeRedirectAutomatic) + pWin->redirectDraw = RedirectDrawAutomatic; + else + pWin->redirectDraw = RedirectDrawManual; + } + return TRUE; +} + +static int +updateOverlayWindow(ScreenPtr pScreen) +{ + CompScreenPtr cs; + WindowPtr pWin; /* overlay window */ + XID vlist[2]; + int w = pScreen->width; + int h = pScreen->height; + +#ifdef PANORAMIX + if (!noPanoramiXExtension) + { + w = PanoramiXPixWidth; + h = PanoramiXPixHeight; + } +#endif + + cs = GetCompScreen(pScreen); + if ((pWin = cs->pOverlayWin) != NULL) { + if ((pWin->drawable.width == w) && + (pWin->drawable.height == h)) + return Success; + + /* Let's resize the overlay window. */ + vlist[0] = w; + vlist[1] = h; + return ConfigureWindow(pWin, CWWidth | CWHeight, vlist, wClient(pWin)); + } + + /* Let's be on the safe side and not assume an overlay window is always allocated. */ + return Success; +} + +Bool +compPositionWindow (WindowPtr pWin, int x, int y) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + Bool ret = TRUE; + + pScreen->PositionWindow = cs->PositionWindow; + /* + * "Shouldn't need this as all possible places should be wrapped + * + compCheckRedirect (pWin); + */ +#ifdef COMPOSITE_DEBUG + if ((pWin->redirectDraw != RedirectDrawNone) != + (pWin->viewable && (GetCompWindow(pWin) != NULL))) + OsAbort (); +#endif + if (pWin->redirectDraw != RedirectDrawNone) + { + PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin); + int bw = wBorderWidth (pWin); + int nx = pWin->drawable.x - bw; + int ny = pWin->drawable.y - bw; + + if (pPixmap->screen_x != nx || pPixmap->screen_y != ny) + { + pPixmap->screen_x = nx; + pPixmap->screen_y = ny; + pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER; + } + } + + if (!(*pScreen->PositionWindow) (pWin, x, y)) + ret = FALSE; + cs->PositionWindow = pScreen->PositionWindow; + pScreen->PositionWindow = compPositionWindow; + compCheckTree (pWin->drawable.pScreen); + if (updateOverlayWindow(pScreen) != Success) + ret = FALSE; + return ret; +} + +Bool +compRealizeWindow (WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + Bool ret = TRUE; + + pScreen->RealizeWindow = cs->RealizeWindow; + compCheckRedirect (pWin); + if (!(*pScreen->RealizeWindow) (pWin)) + ret = FALSE; + cs->RealizeWindow = pScreen->RealizeWindow; + pScreen->RealizeWindow = compRealizeWindow; + compCheckTree (pWin->drawable.pScreen); + return ret; +} + +Bool +compUnrealizeWindow (WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + Bool ret = TRUE; + + pScreen->UnrealizeWindow = cs->UnrealizeWindow; + compCheckRedirect (pWin); + if (!(*pScreen->UnrealizeWindow) (pWin)) + ret = FALSE; + cs->UnrealizeWindow = pScreen->UnrealizeWindow; + pScreen->UnrealizeWindow = compUnrealizeWindow; + compCheckTree (pWin->drawable.pScreen); + return ret; +} + +/* + * Called after the borderClip for the window has settled down + * We use this to make sure our extra borderClip has the right origin + */ + +void +compClipNotify (WindowPtr pWin, int dx, int dy) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + CompWindowPtr cw = GetCompWindow (pWin); + + if (cw) + { + if (cw->borderClipX != pWin->drawable.x || + cw->borderClipY != pWin->drawable.y) + { + RegionTranslate(&cw->borderClip, + pWin->drawable.x - cw->borderClipX, + pWin->drawable.y - cw->borderClipY); + cw->borderClipX = pWin->drawable.x; + cw->borderClipY = pWin->drawable.y; + } + } + if (cs->ClipNotify) + { + pScreen->ClipNotify = cs->ClipNotify; + (*pScreen->ClipNotify) (pWin, dx, dy); + cs->ClipNotify = pScreen->ClipNotify; + pScreen->ClipNotify = compClipNotify; + } +} + +/* + * Returns TRUE if the window needs server-provided automatic redirect, + * which is true if the child and parent aren't both regular or ARGB visuals + */ + +static Bool +compIsAlternateVisual (ScreenPtr pScreen, + XID visual) +{ + CompScreenPtr cs = GetCompScreen (pScreen); + int i; + + for (i = 0; i < cs->numAlternateVisuals; i++) + if (cs->alternateVisuals[i] == visual) + return TRUE; + return FALSE; +} + +static Bool +compImplicitRedirect (WindowPtr pWin, WindowPtr pParent) +{ + if (pParent) + { + ScreenPtr pScreen = pWin->drawable.pScreen; + XID winVisual = wVisual (pWin); + XID parentVisual = wVisual (pParent); + + if (winVisual != parentVisual && + (compIsAlternateVisual (pScreen, winVisual) || + compIsAlternateVisual (pScreen, parentVisual))) + return TRUE; + } + return FALSE; +} + +static void compFreeOldPixmap(WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + if (pWin->redirectDraw != RedirectDrawNone) + { + CompWindowPtr cw = GetCompWindow (pWin); + if (cw->pOldPixmap) + { + (*pScreen->DestroyPixmap) (cw->pOldPixmap); + cw->pOldPixmap = NullPixmap; + } + } +} +void +compMoveWindow (WindowPtr pWin, int x, int y, WindowPtr pSib, VTKind kind) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + + pScreen->MoveWindow = cs->MoveWindow; + (*pScreen->MoveWindow) (pWin, x, y, pSib, kind); + cs->MoveWindow = pScreen->MoveWindow; + pScreen->MoveWindow = compMoveWindow; + + compFreeOldPixmap(pWin); + compCheckTree (pScreen); +} + +void +compResizeWindow (WindowPtr pWin, int x, int y, + unsigned int w, unsigned int h, WindowPtr pSib) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + + pScreen->ResizeWindow = cs->ResizeWindow; + (*pScreen->ResizeWindow) (pWin, x, y, w, h, pSib); + cs->ResizeWindow = pScreen->ResizeWindow; + pScreen->ResizeWindow = compResizeWindow; + + compFreeOldPixmap(pWin); + compCheckTree (pWin->drawable.pScreen); +} + +void +compChangeBorderWidth (WindowPtr pWin, unsigned int bw) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + + pScreen->ChangeBorderWidth = cs->ChangeBorderWidth; + (*pScreen->ChangeBorderWidth) (pWin, bw); + cs->ChangeBorderWidth = pScreen->ChangeBorderWidth; + pScreen->ChangeBorderWidth = compChangeBorderWidth; + + compFreeOldPixmap(pWin); + compCheckTree (pWin->drawable.pScreen); +} + +void +compReparentWindow (WindowPtr pWin, WindowPtr pPriorParent) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + + pScreen->ReparentWindow = cs->ReparentWindow; + /* + * Remove any implicit redirect due to synthesized visual + */ + if (compImplicitRedirect (pWin, pPriorParent)) + compUnredirectWindow (serverClient, pWin, CompositeRedirectAutomatic); + /* + * Handle subwindows redirection + */ + compUnredirectOneSubwindow (pPriorParent, pWin); + compRedirectOneSubwindow (pWin->parent, pWin); + /* + * Add any implict redirect due to synthesized visual + */ + if (compImplicitRedirect (pWin, pWin->parent)) + compRedirectWindow (serverClient, pWin, CompositeRedirectAutomatic); + + /* + * Allocate any necessary redirect pixmap + * (this actually should never be true; pWin is always unmapped) + */ + compCheckRedirect (pWin); + + /* + * Reset pixmap pointers as appropriate + */ + if (pWin->parent && pWin->redirectDraw == RedirectDrawNone) + compSetPixmap (pWin, (*pScreen->GetWindowPixmap) (pWin->parent)); + /* + * Call down to next function + */ + if (pScreen->ReparentWindow) + (*pScreen->ReparentWindow) (pWin, pPriorParent); + cs->ReparentWindow = pScreen->ReparentWindow; + pScreen->ReparentWindow = compReparentWindow; + compCheckTree (pWin->drawable.pScreen); +} + +void +compCopyWindow (WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + int dx = 0, dy = 0; + + if (pWin->redirectDraw != RedirectDrawNone) + { + PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin); + CompWindowPtr cw = GetCompWindow (pWin); + + assert (cw->oldx != COMP_ORIGIN_INVALID); + assert (cw->oldy != COMP_ORIGIN_INVALID); + if (cw->pOldPixmap) + { + /* + * Ok, the old bits are available in pOldPixmap and + * need to be copied to pNewPixmap. + */ + RegionRec rgnDst; + PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin); + GCPtr pGC; + + dx = ptOldOrg.x - pWin->drawable.x; + dy = ptOldOrg.y - pWin->drawable.y; + RegionTranslate(prgnSrc, -dx, -dy); + + RegionNull(&rgnDst); + + RegionIntersect(&rgnDst, + &pWin->borderClip, prgnSrc); + + RegionTranslate(&rgnDst, + -pPixmap->screen_x, -pPixmap->screen_y); + + dx = dx + pPixmap->screen_x - cw->oldx; + dy = dy + pPixmap->screen_y - cw->oldy; + pGC = GetScratchGC (pPixmap->drawable.depth, pScreen); + if (pGC) + { + BoxPtr pBox = RegionRects (&rgnDst); + int nBox = RegionNumRects (&rgnDst); + + ValidateGC(&pPixmap->drawable, pGC); + while (nBox--) + { + (void) (*pGC->ops->CopyArea) (&cw->pOldPixmap->drawable, + &pPixmap->drawable, + pGC, + pBox->x1 + dx, pBox->y1 + dy, + pBox->x2 - pBox->x1, + pBox->y2 - pBox->y1, + pBox->x1, pBox->y1); + pBox++; + } + FreeScratchGC (pGC); + } + return; + } + dx = pPixmap->screen_x - cw->oldx; + dy = pPixmap->screen_y - cw->oldy; + ptOldOrg.x += dx; + ptOldOrg.y += dy; + } + + pScreen->CopyWindow = cs->CopyWindow; + if (ptOldOrg.x != pWin->drawable.x || ptOldOrg.y != pWin->drawable.y) + { + if (dx || dy) + RegionTranslate(prgnSrc, dx, dy); + (*pScreen->CopyWindow) (pWin, ptOldOrg, prgnSrc); + if (dx || dy) + RegionTranslate(prgnSrc, -dx, -dy); + } + else + { + ptOldOrg.x -= dx; + ptOldOrg.y -= dy; + RegionTranslate(prgnSrc, + pWin->drawable.x - ptOldOrg.x, + pWin->drawable.y - ptOldOrg.y); + DamageDamageRegion(&pWin->drawable, prgnSrc); + } + cs->CopyWindow = pScreen->CopyWindow; + pScreen->CopyWindow = compCopyWindow; + compCheckTree (pWin->drawable.pScreen); +} + +Bool +compCreateWindow (WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + Bool ret; + + pScreen->CreateWindow = cs->CreateWindow; + ret = (*pScreen->CreateWindow) (pWin); + if (pWin->parent && ret) + { + CompSubwindowsPtr csw = GetCompSubwindows (pWin->parent); + CompClientWindowPtr ccw; + + (*pScreen->SetWindowPixmap) (pWin, (*pScreen->GetWindowPixmap) (pWin->parent)); + if (csw) + for (ccw = csw->clients; ccw; ccw = ccw->next) + compRedirectWindow (clients[CLIENT_ID(ccw->id)], + pWin, ccw->update); + if (compImplicitRedirect (pWin, pWin->parent)) + compRedirectWindow (serverClient, pWin, CompositeRedirectAutomatic); + } + cs->CreateWindow = pScreen->CreateWindow; + pScreen->CreateWindow = compCreateWindow; + compCheckTree (pWin->drawable.pScreen); + return ret; +} + +Bool +compDestroyWindow (WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + CompWindowPtr cw; + CompSubwindowsPtr csw; + Bool ret; + + pScreen->DestroyWindow = cs->DestroyWindow; + while ((cw = GetCompWindow (pWin))) + FreeResource (cw->clients->id, RT_NONE); + while ((csw = GetCompSubwindows (pWin))) + FreeResource (csw->clients->id, RT_NONE); + + if (pWin->redirectDraw != RedirectDrawNone) { + PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin); + compSetParentPixmap (pWin); + (*pScreen->DestroyPixmap) (pPixmap); + } + ret = (*pScreen->DestroyWindow) (pWin); + cs->DestroyWindow = pScreen->DestroyWindow; + pScreen->DestroyWindow = compDestroyWindow; +/* compCheckTree (pWin->drawable.pScreen); can't check -- tree isn't good*/ + return ret; +} + +void +compSetRedirectBorderClip (WindowPtr pWin, RegionPtr pRegion) +{ + CompWindowPtr cw = GetCompWindow (pWin); + RegionRec damage; + + RegionNull(&damage); + /* + * Align old border clip with new border clip + */ + RegionTranslate(&cw->borderClip, + pWin->drawable.x - cw->borderClipX, + pWin->drawable.y - cw->borderClipY); + /* + * Compute newly visible portion of window for repaint + */ + RegionSubtract(&damage, pRegion, &cw->borderClip); + /* + * Report that as damaged so it will be redrawn + */ + DamageDamageRegion(&pWin->drawable, &damage); + RegionUninit(&damage); + /* + * Save the new border clip region + */ + RegionCopy(&cw->borderClip, pRegion); + cw->borderClipX = pWin->drawable.x; + cw->borderClipY = pWin->drawable.y; +} + +RegionPtr +compGetRedirectBorderClip (WindowPtr pWin) +{ + CompWindowPtr cw = GetCompWindow (pWin); + + return &cw->borderClip; +} + +static VisualPtr +compGetWindowVisual (WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + VisualID vid = wVisual (pWin); + int i; + + for (i = 0; i < pScreen->numVisuals; i++) + if (pScreen->visuals[i].vid == vid) + return &pScreen->visuals[i]; + return 0; +} + +PictFormatPtr +compWindowFormat (WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + + return PictureMatchVisual (pScreen, pWin->drawable.depth, + compGetWindowVisual (pWin)); +} + +static void +compWindowUpdateAutomatic (WindowPtr pWin) +{ + CompWindowPtr cw = GetCompWindow (pWin); + ScreenPtr pScreen = pWin->drawable.pScreen; + WindowPtr pParent = pWin->parent; + PixmapPtr pSrcPixmap = (*pScreen->GetWindowPixmap) (pWin); + PictFormatPtr pSrcFormat = compWindowFormat (pWin); + PictFormatPtr pDstFormat = compWindowFormat (pWin->parent); + int error; + RegionPtr pRegion = DamageRegion (cw->damage); + PicturePtr pSrcPicture = CreatePicture (0, &pSrcPixmap->drawable, + pSrcFormat, + 0, 0, + serverClient, + &error); + XID subwindowMode = IncludeInferiors; + PicturePtr pDstPicture = CreatePicture (0, &pParent->drawable, + pDstFormat, + CPSubwindowMode, + &subwindowMode, + serverClient, + &error); + + /* + * First move the region from window to screen coordinates + */ + RegionTranslate(pRegion, + pWin->drawable.x, pWin->drawable.y); + + /* + * Clip against the "real" border clip + */ + RegionIntersect(pRegion, pRegion, &cw->borderClip); + + /* + * Now translate from screen to dest coordinates + */ + RegionTranslate(pRegion, + -pParent->drawable.x, -pParent->drawable.y); + + /* + * Clip the picture + */ + SetPictureClipRegion (pDstPicture, 0, 0, pRegion); + + /* + * And paint + */ + CompositePicture (PictOpSrc, + pSrcPicture, + 0, + pDstPicture, + 0, 0, /* src_x, src_y */ + 0, 0, /* msk_x, msk_y */ + pSrcPixmap->screen_x - pParent->drawable.x, + pSrcPixmap->screen_y - pParent->drawable.y, + pSrcPixmap->drawable.width, + pSrcPixmap->drawable.height); + FreePicture (pSrcPicture, 0); + FreePicture (pDstPicture, 0); + /* + * Empty the damage region. This has the nice effect of + * rendering the translations above harmless + */ + DamageEmpty (cw->damage); +} + +static void +compPaintWindowToParent (WindowPtr pWin) +{ + compPaintChildrenToWindow (pWin); + + if (pWin->redirectDraw != RedirectDrawNone) + { + CompWindowPtr cw = GetCompWindow(pWin); + + if (cw->damaged) + { + compWindowUpdateAutomatic (pWin); + cw->damaged = FALSE; + } + } +} + +void +compPaintChildrenToWindow (WindowPtr pWin) +{ + WindowPtr pChild; + + if (!pWin->damagedDescendants) + return; + + for (pChild = pWin->lastChild; pChild; pChild = pChild->prevSib) + compPaintWindowToParent (pChild); + + pWin->damagedDescendants = FALSE; +} + +WindowPtr +CompositeRealChildHead (WindowPtr pWin) +{ + WindowPtr pChild, pChildBefore; + CompScreenPtr cs; + + if (!pWin->parent && + (screenIsSaved == SCREEN_SAVER_ON) && + (HasSaverWindow (pWin->drawable.pScreen))) { + + /* First child is the screen saver; see if next child is the overlay */ + pChildBefore = pWin->firstChild; + pChild = pChildBefore->nextSib; + + } else { + pChildBefore = NullWindow; + pChild = pWin->firstChild; + } + + if (!pChild) { + return NullWindow; + } + + cs = GetCompScreen(pWin->drawable.pScreen); + if (pChild == cs->pOverlayWin) { + return pChild; + } else { + return pChildBefore; + } +} + +int +compConfigNotify(WindowPtr pWin, int x, int y, int w, int h, + int bw, WindowPtr pSib) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + Bool ret = 0; + WindowPtr pParent = pWin->parent; + int draw_x, draw_y; + Bool alloc_ret; + + if (cs->ConfigNotify) + { + pScreen->ConfigNotify = cs->ConfigNotify; + ret = (*pScreen->ConfigNotify)(pWin, x, y, w, h, bw, pSib); + cs->ConfigNotify = pScreen->ConfigNotify; + pScreen->ConfigNotify = compConfigNotify; + + if (ret) + return ret; + } + + if (pWin->redirectDraw == RedirectDrawNone) + return Success; + + compCheckTree (pScreen); + + draw_x = pParent->drawable.x + x + bw; + draw_y = pParent->drawable.y + y + bw; + alloc_ret = compReallocPixmap (pWin, draw_x, draw_y, w, h, bw); + + if (alloc_ret == FALSE) + return BadAlloc; + return Success; +} |