diff options
| author | root <root@zombrain.(none)> | 2011-07-25 08:54:41 (GMT) |
|---|---|---|
| committer | root <root@zombrain.(none)> | 2011-07-25 08:54:41 (GMT) |
| commit | ab4fcaad149d4bdccefa8f693c2a8e044b40dd4c (patch) | |
| tree | c95c280caabc70e7aedbde723e38820047357be7 /composite | |
initial state (xorg-server 1.10.2)
Diffstat (limited to 'composite')
| -rw-r--r-- | composite/Makefile.am | 15 | ||||
| -rw-r--r-- | composite/Makefile.in | 761 | ||||
| -rw-r--r-- | composite/compalloc.c | 711 | ||||
| -rw-r--r-- | composite/compext.c | 932 | ||||
| -rw-r--r-- | composite/compinit.c | 415 | ||||
| -rw-r--r-- | composite/compint.h | 333 | ||||
| -rw-r--r-- | composite/compositeext.h | 38 | ||||
| -rw-r--r-- | composite/compoverlay.c | 173 | ||||
| -rw-r--r-- | composite/compwindow.c | 819 |
9 files changed, 4197 insertions, 0 deletions
diff --git a/composite/Makefile.am b/composite/Makefile.am new file mode 100644 index 0000000..c2f5123 --- /dev/null +++ b/composite/Makefile.am @@ -0,0 +1,15 @@ +noinst_LTLIBRARIES = libcomposite.la + +AM_CFLAGS = $(DIX_CFLAGS) + +if XORG +sdk_HEADERS = compositeext.h +endif + +libcomposite_la_SOURCES = \ + compalloc.c \ + compext.c \ + compint.h \ + compinit.c \ + compoverlay.c \ + compwindow.c diff --git a/composite/Makefile.in b/composite/Makefile.in new file mode 100644 index 0000000..05efbab --- /dev/null +++ b/composite/Makefile.in @@ -0,0 +1,761 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = composite +DIST_COMMON = $(am__sdk_HEADERS_DIST) $(srcdir)/Makefile.am \ + $(srcdir)/Makefile.in +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = 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install-pdf install-pdf-am install-ps install-ps-am \ + install-sdkHEADERS install-strip installcheck installcheck-am \ + installdirs maintainer-clean maintainer-clean-generic \ + mostlyclean mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool pdf pdf-am ps ps-am tags uninstall \ + uninstall-am uninstall-sdkHEADERS + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/composite/compalloc.c b/composite/compalloc.c new file mode 100644 index 0000000..e4064f6 --- /dev/null +++ b/composite/compalloc.c @@ -0,0 +1,711 @@ +/* + * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Copyright © 2003 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "compint.h" + +static void +compScreenUpdate (ScreenPtr pScreen) +{ + compCheckTree (pScreen); + compPaintChildrenToWindow (pScreen->root); +} + +static void +compBlockHandler (int i, + pointer blockData, + pointer pTimeout, + pointer pReadmask) +{ + ScreenPtr pScreen = screenInfo.screens[i]; + CompScreenPtr cs = GetCompScreen (pScreen); + + pScreen->BlockHandler = cs->BlockHandler; + compScreenUpdate (pScreen); + (*pScreen->BlockHandler) (i, blockData, pTimeout, pReadmask); + + /* Next damage will restore the block handler */ + cs->BlockHandler = NULL; +} + +static void +compReportDamage (DamagePtr pDamage, RegionPtr pRegion, void *closure) +{ + WindowPtr pWin = (WindowPtr) closure; + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + CompWindowPtr cw = GetCompWindow (pWin); + + if (!cs->BlockHandler) { + cs->BlockHandler = pScreen->BlockHandler; + pScreen->BlockHandler = compBlockHandler; + } + cw->damaged = TRUE; + + /* Mark the ancestors */ + pWin = pWin->parent; + while (pWin) { + if (pWin->damagedDescendants) + break; + pWin->damagedDescendants = TRUE; + pWin = pWin->parent; + } +} + +static void +compDestroyDamage (DamagePtr pDamage, void *closure) +{ + WindowPtr pWin = (WindowPtr) closure; + CompWindowPtr cw = GetCompWindow (pWin); + + cw->damage = 0; +} + +/* + * Redirect one window for one client + */ +int +compRedirectWindow (ClientPtr pClient, WindowPtr pWin, int update) +{ + CompWindowPtr cw = GetCompWindow (pWin); + CompClientWindowPtr ccw; + Bool wasMapped = pWin->mapped; + CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen); + + if (pWin == cs->pOverlayWin) { + return Success; + } + + if (!pWin->parent) + return BadMatch; + + /* + * Only one Manual update is allowed + */ + if (cw && update == CompositeRedirectManual) + for (ccw = cw->clients; ccw; ccw = ccw->next) + if (ccw->update == CompositeRedirectManual) + return BadAccess; + + /* + * Allocate per-client per-window structure + * The client *could* allocate multiple, but while supported, + * it is not expected to be common + */ + ccw = malloc(sizeof (CompClientWindowRec)); + if (!ccw) + return BadAlloc; + ccw->id = FakeClientID (pClient->index); + ccw->update = update; + /* + * Now make sure there's a per-window structure to hang this from + */ + if (!cw) + { + cw = malloc(sizeof (CompWindowRec)); + if (!cw) + { + free(ccw); + return BadAlloc; + } + cw->damage = DamageCreate (compReportDamage, + compDestroyDamage, + DamageReportNonEmpty, + FALSE, + pWin->drawable.pScreen, + pWin); + if (!cw->damage) + { + free(ccw); + free(cw); + return BadAlloc; + } + if (wasMapped) + { + DisableMapUnmapEvents (pWin); + UnmapWindow (pWin, FALSE); + EnableMapUnmapEvents (pWin); + } + + RegionNull(&cw->borderClip); + cw->borderClipX = 0; + cw->borderClipY = 0; + cw->update = CompositeRedirectAutomatic; + cw->clients = 0; + cw->oldx = COMP_ORIGIN_INVALID; + cw->oldy = COMP_ORIGIN_INVALID; + cw->damageRegistered = FALSE; + cw->damaged = FALSE; + cw->pOldPixmap = NullPixmap; + dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, cw); + } + ccw->next = cw->clients; + cw->clients = ccw; + if (!AddResource (ccw->id, CompositeClientWindowType, pWin)) + return BadAlloc; + if (ccw->update == CompositeRedirectManual) + { + /* If the window was CompositeRedirectAutomatic, then + * unmap the window so that the parent clip list will + * be correctly recomputed. + */ + if (pWin->mapped) + { + DisableMapUnmapEvents (pWin); + UnmapWindow (pWin, FALSE); + EnableMapUnmapEvents (pWin); + } + if (cw->damageRegistered) + { + DamageUnregister (&pWin->drawable, cw->damage); + cw->damageRegistered = FALSE; + } + cw->update = CompositeRedirectManual; + } + + if (!compCheckRedirect (pWin)) + { + FreeResource (ccw->id, RT_NONE); + return BadAlloc; + } + if (wasMapped && !pWin->mapped) + { + Bool overrideRedirect = pWin->overrideRedirect; + pWin->overrideRedirect = TRUE; + DisableMapUnmapEvents (pWin); + MapWindow (pWin, pClient); + EnableMapUnmapEvents (pWin); + pWin->overrideRedirect = overrideRedirect; + } + + return Success; +} + +/* + * Free one of the per-client per-window resources, clearing + * redirect and the per-window pointer as appropriate + */ +void +compFreeClientWindow (WindowPtr pWin, XID id) +{ + CompWindowPtr cw = GetCompWindow (pWin); + CompClientWindowPtr ccw, *prev; + Bool wasMapped = pWin->mapped; + + if (!cw) + return; + for (prev = &cw->clients; (ccw = *prev); prev = &ccw->next) + { + if (ccw->id == id) + { + *prev = ccw->next; + if (ccw->update == CompositeRedirectManual) + cw->update = CompositeRedirectAutomatic; + free(ccw); + break; + } + } + if (!cw->clients) + { + if (wasMapped) + { + DisableMapUnmapEvents (pWin); + UnmapWindow (pWin, FALSE); + EnableMapUnmapEvents (pWin); + } + + if (pWin->redirectDraw != RedirectDrawNone) + compFreePixmap (pWin); + + if (cw->damage) + DamageDestroy (cw->damage); + + RegionUninit(&cw->borderClip); + + dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, NULL); + free(cw); + } + else if (cw->update == CompositeRedirectAutomatic && + !cw->damageRegistered && pWin->redirectDraw != RedirectDrawNone) + { + DamageRegister (&pWin->drawable, cw->damage); + cw->damageRegistered = TRUE; + pWin->redirectDraw = RedirectDrawAutomatic; + DamageDamageRegion(&pWin->drawable, &pWin->borderSize); + } + if (wasMapped && !pWin->mapped) + { + Bool overrideRedirect = pWin->overrideRedirect; + pWin->overrideRedirect = TRUE; + DisableMapUnmapEvents (pWin); + MapWindow (pWin, clients[CLIENT_ID(id)]); + EnableMapUnmapEvents (pWin); + pWin->overrideRedirect = overrideRedirect; + } +} + +/* + * This is easy, just free the appropriate resource. + */ + +int +compUnredirectWindow (ClientPtr pClient, WindowPtr pWin, int update) +{ + CompWindowPtr cw = GetCompWindow (pWin); + CompClientWindowPtr ccw; + + if (!cw) + return BadValue; + + for (ccw = cw->clients; ccw; ccw = ccw->next) + if (ccw->update == update && CLIENT_ID(ccw->id) == pClient->index) + { + FreeResource (ccw->id, RT_NONE); + return Success; + } + return BadValue; +} + +/* + * Redirect all subwindows for one client + */ + +int +compRedirectSubwindows (ClientPtr pClient, WindowPtr pWin, int update) +{ + CompSubwindowsPtr csw = GetCompSubwindows (pWin); + CompClientWindowPtr ccw; + WindowPtr pChild; + + /* + * Only one Manual update is allowed + */ + if (csw && update == CompositeRedirectManual) + for (ccw = csw->clients; ccw; ccw = ccw->next) + if (ccw->update == CompositeRedirectManual) + return BadAccess; + /* + * Allocate per-client per-window structure + * The client *could* allocate multiple, but while supported, + * it is not expected to be common + */ + ccw = malloc(sizeof (CompClientWindowRec)); + if (!ccw) + return BadAlloc; + ccw->id = FakeClientID (pClient->index); + ccw->update = update; + /* + * Now make sure there's a per-window structure to hang this from + */ + if (!csw) + { + csw = malloc(sizeof (CompSubwindowsRec)); + if (!csw) + { + free(ccw); + return BadAlloc; + } + csw->update = CompositeRedirectAutomatic; + csw->clients = 0; + dixSetPrivate(&pWin->devPrivates, CompSubwindowsPrivateKey, csw); + } + /* + * Redirect all existing windows + */ + for (pChild = pWin->lastChild; pChild; pChild = pChild->prevSib) + { + int ret = compRedirectWindow (pClient, pChild, update); + if (ret != Success) + { + for (pChild = pChild->nextSib; pChild; pChild = pChild->nextSib) + (void) compUnredirectWindow (pClient, pChild, update); + if (!csw->clients) + { + free(csw); + dixSetPrivate(&pWin->devPrivates, CompSubwindowsPrivateKey, 0); + } + free(ccw); + return ret; + } + } + /* + * Hook into subwindows list + */ + ccw->next = csw->clients; + csw->clients = ccw; + if (!AddResource (ccw->id, CompositeClientSubwindowsType, pWin)) + return BadAlloc; + if (ccw->update == CompositeRedirectManual) + { + csw->update = CompositeRedirectManual; + /* + * tell damage extension that damage events for this client are + * critical output + */ + DamageExtSetCritical (pClient, TRUE); + } + return Success; +} + +/* + * Free one of the per-client per-subwindows resources, + * which frees one redirect per subwindow + */ +void +compFreeClientSubwindows (WindowPtr pWin, XID id) +{ + CompSubwindowsPtr csw = GetCompSubwindows (pWin); + CompClientWindowPtr ccw, *prev; + WindowPtr pChild; + + if (!csw) + return; + for (prev = &csw->clients; (ccw = *prev); prev = &ccw->next) + { + if (ccw->id == id) + { + ClientPtr pClient = clients[CLIENT_ID(id)]; + + *prev = ccw->next; + if (ccw->update == CompositeRedirectManual) + { + /* + * tell damage extension that damage events for this client are + * critical output + */ + DamageExtSetCritical (pClient, FALSE); + csw->update = CompositeRedirectAutomatic; + if (pWin->mapped) + (*pWin->drawable.pScreen->ClearToBackground)(pWin, 0, 0, 0, 0, TRUE); + } + + /* + * Unredirect all existing subwindows + */ + for (pChild = pWin->lastChild; pChild; pChild = pChild->prevSib) + (void) compUnredirectWindow (pClient, pChild, ccw->update); + + free(ccw); + break; + } + } + + /* + * Check if all of the per-client records are gone + */ + if (!csw->clients) + { + dixSetPrivate(&pWin->devPrivates, CompSubwindowsPrivateKey, NULL); + free(csw); + } +} + +/* + * This is easy, just free the appropriate resource. + */ + +int +compUnredirectSubwindows (ClientPtr pClient, WindowPtr pWin, int update) +{ + CompSubwindowsPtr csw = GetCompSubwindows (pWin); + CompClientWindowPtr ccw; + + if (!csw) + return BadValue; + for (ccw = csw->clients; ccw; ccw = ccw->next) + if (ccw->update == update && CLIENT_ID(ccw->id) == pClient->index) + { + FreeResource (ccw->id, RT_NONE); + return Success; + } + return BadValue; +} + +/* + * Add redirection information for one subwindow (during reparent) + */ + +int +compRedirectOneSubwindow (WindowPtr pParent, WindowPtr pWin) +{ + CompSubwindowsPtr csw = GetCompSubwindows (pParent); + CompClientWindowPtr ccw; + + if (!csw) + return Success; + for (ccw = csw->clients; ccw; ccw = ccw->next) + { + int ret = compRedirectWindow (clients[CLIENT_ID(ccw->id)], + pWin, ccw->update); + if (ret != Success) + return ret; + } + return Success; +} + +/* + * Remove redirection information for one subwindow (during reparent) + */ + +int +compUnredirectOneSubwindow (WindowPtr pParent, WindowPtr pWin) +{ + CompSubwindowsPtr csw = GetCompSubwindows (pParent); + CompClientWindowPtr ccw; + + if (!csw) + return Success; + for (ccw = csw->clients; ccw; ccw = ccw->next) + { + int ret = compUnredirectWindow (clients[CLIENT_ID(ccw->id)], + pWin, ccw->update); + if (ret != Success) + return ret; + } + return Success; +} + +static int +bgNoneVisitWindow(WindowPtr pWin, void *null) +{ + if (pWin->backgroundState != BackgroundPixmap) + return WT_WALKCHILDREN; + if (pWin->background.pixmap != None) + return WT_WALKCHILDREN; + + return WT_STOPWALKING; +} + +static PixmapPtr +compNewPixmap (WindowPtr pWin, int x, int y, int w, int h, Bool map) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + WindowPtr pParent = pWin->parent; + PixmapPtr pPixmap; + + pPixmap = (*pScreen->CreatePixmap) (pScreen, w, h, pWin->drawable.depth, + CREATE_PIXMAP_USAGE_BACKING_PIXMAP); + + if (!pPixmap) + return 0; + + pPixmap->screen_x = x; + pPixmap->screen_y = y; + + /* resize allocations will update later in compCopyWindow, not here */ + if (!map) + return pPixmap; + + /* + * If there's no bg=None in the tree, we're done. + * + * We could optimize this more by collection the regions of all the + * bg=None subwindows and feeding that in as the clip for the + * CopyArea below, but since window trees are shallow these days it + * might not be worth the effort. + */ + if (TraverseTree(pWin, bgNoneVisitWindow, NULL) == WT_NOMATCH) + return pPixmap; + + /* + * Copy bits from the parent into the new pixmap so that it will + * have "reasonable" contents in case for background None areas. + */ + if (pParent->drawable.depth == pWin->drawable.depth) + { + GCPtr pGC = GetScratchGC (pWin->drawable.depth, pScreen); + + if (pGC) + { + ChangeGCVal val; + val.val = IncludeInferiors; + + ValidateGC(&pPixmap->drawable, pGC); + ChangeGC (serverClient, pGC, GCSubwindowMode, &val); + (*pGC->ops->CopyArea) (&pParent->drawable, + &pPixmap->drawable, + pGC, + x - pParent->drawable.x, + y - pParent->drawable.y, + w, h, 0, 0); + FreeScratchGC (pGC); + } + } + else + { + PictFormatPtr pSrcFormat = compWindowFormat (pParent); + PictFormatPtr pDstFormat = compWindowFormat (pWin); + XID inferiors = IncludeInferiors; + int error; + + PicturePtr pSrcPicture = CreatePicture (None, + &pParent->drawable, + pSrcFormat, + CPSubwindowMode, + &inferiors, + serverClient, &error); + + PicturePtr pDstPicture = CreatePicture (None, + &pPixmap->drawable, + pDstFormat, + 0, 0, + serverClient, &error); + + if (pSrcPicture && pDstPicture) + { + CompositePicture (PictOpSrc, + pSrcPicture, + NULL, + pDstPicture, + x - pParent->drawable.x, + y - pParent->drawable.y, + 0, 0, 0, 0, w, h); + } + if (pSrcPicture) + FreePicture (pSrcPicture, 0); + if (pDstPicture) + FreePicture (pDstPicture, 0); + } + return pPixmap; +} + +Bool +compAllocPixmap (WindowPtr pWin) +{ + int bw = (int) pWin->borderWidth; + int x = pWin->drawable.x - bw; + int y = pWin->drawable.y - bw; + int w = pWin->drawable.width + (bw << 1); + int h = pWin->drawable.height + (bw << 1); + PixmapPtr pPixmap = compNewPixmap (pWin, x, y, w, h, TRUE); + CompWindowPtr cw = GetCompWindow (pWin); + + if (!pPixmap) + return FALSE; + if (cw->update == CompositeRedirectAutomatic) + pWin->redirectDraw = RedirectDrawAutomatic; + else + pWin->redirectDraw = RedirectDrawManual; + + compSetPixmap (pWin, pPixmap); + cw->oldx = COMP_ORIGIN_INVALID; + cw->oldy = COMP_ORIGIN_INVALID; + cw->damageRegistered = FALSE; + if (cw->update == CompositeRedirectAutomatic) + { + DamageRegister (&pWin->drawable, cw->damage); + cw->damageRegistered = TRUE; + } + return TRUE; +} + +void +compFreePixmap (WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + PixmapPtr pRedirectPixmap, pParentPixmap; + CompWindowPtr cw = GetCompWindow (pWin); + + if (cw->damageRegistered) + { + DamageUnregister (&pWin->drawable, cw->damage); + cw->damageRegistered = FALSE; + DamageEmpty (cw->damage); + } + /* + * Move the parent-constrained border clip region back into + * the window so that ValidateTree will handle the unmap + * case correctly. Unmap adds the window borderClip to the + * parent exposed area; regions beyond the parent cause crashes + */ + RegionCopy(&pWin->borderClip, &cw->borderClip); + pRedirectPixmap = (*pScreen->GetWindowPixmap) (pWin); + pParentPixmap = (*pScreen->GetWindowPixmap) (pWin->parent); + pWin->redirectDraw = RedirectDrawNone; + compSetPixmap (pWin, pParentPixmap); + (*pScreen->DestroyPixmap) (pRedirectPixmap); +} + +/* + * Make sure the pixmap is the right size and offset. Allocate a new + * pixmap to change size, adjust origin to change offset, leaving the + * old pixmap in cw->pOldPixmap so bits can be recovered + */ +Bool +compReallocPixmap (WindowPtr pWin, int draw_x, int draw_y, + unsigned int w, unsigned int h, int bw) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + PixmapPtr pOld = (*pScreen->GetWindowPixmap) (pWin); + PixmapPtr pNew; + CompWindowPtr cw = GetCompWindow (pWin); + int pix_x, pix_y; + int pix_w, pix_h; + + assert (cw && pWin->redirectDraw != RedirectDrawNone); + cw->oldx = pOld->screen_x; + cw->oldy = pOld->screen_y; + pix_x = draw_x - bw; + pix_y = draw_y - bw; + pix_w = w + (bw << 1); + pix_h = h + (bw << 1); + if (pix_w != pOld->drawable.width || pix_h != pOld->drawable.height) + { + pNew = compNewPixmap (pWin, pix_x, pix_y, pix_w, pix_h, FALSE); + if (!pNew) + return FALSE; + cw->pOldPixmap = pOld; + compSetPixmap (pWin, pNew); + } + else + { + pNew = pOld; + cw->pOldPixmap = 0; + } + pNew->screen_x = pix_x; + pNew->screen_y = pix_y; + return TRUE; +} diff --git a/composite/compext.c b/composite/compext.c new file mode 100644 index 0000000..fbd36b5 --- /dev/null +++ b/composite/compext.c @@ -0,0 +1,932 @@ +/* + * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Copyright © 2003 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "compint.h" +#include "xace.h" +#include "protocol-versions.h" + +static CARD8 CompositeReqCode; +static DevPrivateKeyRec CompositeClientPrivateKeyRec; +#define CompositeClientPrivateKey (&CompositeClientPrivateKeyRec) +RESTYPE CompositeClientWindowType; +RESTYPE CompositeClientSubwindowsType; +RESTYPE CompositeClientOverlayType; + +typedef struct _CompositeClient { + int major_version; + int minor_version; +} CompositeClientRec, *CompositeClientPtr; + +#define GetCompositeClient(pClient) ((CompositeClientPtr) \ + dixLookupPrivate(&(pClient)->devPrivates, CompositeClientPrivateKey)) + +static void +CompositeClientCallback (CallbackListPtr *list, + pointer closure, + pointer data) +{ + NewClientInfoRec *clientinfo = (NewClientInfoRec *) data; + ClientPtr pClient = clientinfo->client; + CompositeClientPtr pCompositeClient = GetCompositeClient (pClient); + + pCompositeClient->major_version = 0; + pCompositeClient->minor_version = 0; +} + +static int +FreeCompositeClientWindow (pointer value, XID ccwid) +{ + WindowPtr pWin = value; + + compFreeClientWindow (pWin, ccwid); + return Success; +} + +static int +FreeCompositeClientSubwindows (pointer value, XID ccwid) +{ + WindowPtr pWin = value; + + compFreeClientSubwindows (pWin, ccwid); + return Success; +} + +static int +FreeCompositeClientOverlay (pointer value, XID ccwid) +{ + CompOverlayClientPtr pOc = (CompOverlayClientPtr) value; + + compFreeOverlayClient (pOc); + return Success; +} + +static int +ProcCompositeQueryVersion (ClientPtr client) +{ + CompositeClientPtr pCompositeClient = GetCompositeClient (client); + xCompositeQueryVersionReply rep; + register int n; + REQUEST(xCompositeQueryVersionReq); + + REQUEST_SIZE_MATCH(xCompositeQueryVersionReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + if (stuff->majorVersion < SERVER_COMPOSITE_MAJOR_VERSION) { + rep.majorVersion = stuff->majorVersion; + rep.minorVersion = stuff->minorVersion; + } else { + rep.majorVersion = SERVER_COMPOSITE_MAJOR_VERSION; + rep.minorVersion = SERVER_COMPOSITE_MINOR_VERSION; + } + pCompositeClient->major_version = rep.majorVersion; + pCompositeClient->minor_version = rep.minorVersion; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.majorVersion, n); + swapl(&rep.minorVersion, n); + } + WriteToClient(client, sizeof(xCompositeQueryVersionReply), (char *)&rep); + return Success; +} + +#define VERIFY_WINDOW(pWindow, wid, client, mode) \ + do { \ + int err; \ + err = dixLookupResourceByType((pointer *) &pWindow, wid, \ + RT_WINDOW, client, mode); \ + if (err != Success) { \ + client->errorValue = wid; \ + return err; \ + } \ + } while (0) + +static int +ProcCompositeRedirectWindow (ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xCompositeRedirectWindowReq); + + REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq); + VERIFY_WINDOW(pWin, stuff->window, client, + DixSetAttrAccess|DixManageAccess|DixBlendAccess); + + return compRedirectWindow (client, pWin, stuff->update); +} + +static int +ProcCompositeRedirectSubwindows (ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xCompositeRedirectSubwindowsReq); + + REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq); + VERIFY_WINDOW(pWin, stuff->window, client, + DixSetAttrAccess|DixManageAccess|DixBlendAccess); + + return compRedirectSubwindows (client, pWin, stuff->update); +} + +static int +ProcCompositeUnredirectWindow (ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xCompositeUnredirectWindowReq); + + REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq); + VERIFY_WINDOW(pWin, stuff->window, client, + DixSetAttrAccess|DixManageAccess|DixBlendAccess); + + return compUnredirectWindow (client, pWin, stuff->update); +} + +static int +ProcCompositeUnredirectSubwindows (ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xCompositeUnredirectSubwindowsReq); + + REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq); + VERIFY_WINDOW(pWin, stuff->window, client, + DixSetAttrAccess|DixManageAccess|DixBlendAccess); + + return compUnredirectSubwindows (client, pWin, stuff->update); +} + +static int +ProcCompositeCreateRegionFromBorderClip (ClientPtr client) +{ + WindowPtr pWin; + CompWindowPtr cw; + RegionPtr pBorderClip, pRegion; + REQUEST(xCompositeCreateRegionFromBorderClipReq); + + REQUEST_SIZE_MATCH(xCompositeCreateRegionFromBorderClipReq); + VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess); + LEGAL_NEW_RESOURCE (stuff->region, client); + + cw = GetCompWindow (pWin); + if (cw) + pBorderClip = &cw->borderClip; + else + pBorderClip = &pWin->borderClip; + pRegion = XFixesRegionCopy (pBorderClip); + if (!pRegion) + return BadAlloc; + RegionTranslate(pRegion, -pWin->drawable.x, -pWin->drawable.y); + + if (!AddResource (stuff->region, RegionResType, (pointer) pRegion)) + return BadAlloc; + + return Success; +} + +static int +ProcCompositeNameWindowPixmap (ClientPtr client) +{ + WindowPtr pWin; + CompWindowPtr cw; + PixmapPtr pPixmap; + int rc; + REQUEST(xCompositeNameWindowPixmapReq); + + REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq); + VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess); + + if (!pWin->viewable) + return BadMatch; + + LEGAL_NEW_RESOURCE (stuff->pixmap, client); + + cw = GetCompWindow (pWin); + if (!cw) + return BadMatch; + + pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin); + if (!pPixmap) + return BadMatch; + + /* security creation/labeling check */ + rc = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pixmap, RT_PIXMAP, + pPixmap, RT_WINDOW, pWin, DixCreateAccess); + if (rc != Success) + return rc; + + ++pPixmap->refcnt; + + if (!AddResource (stuff->pixmap, RT_PIXMAP, (pointer) pPixmap)) + return BadAlloc; + + return Success; +} + + +static int +ProcCompositeGetOverlayWindow (ClientPtr client) +{ + REQUEST(xCompositeGetOverlayWindowReq); + xCompositeGetOverlayWindowReply rep; + WindowPtr pWin; + ScreenPtr pScreen; + CompScreenPtr cs; + CompOverlayClientPtr pOc; + int rc; + + REQUEST_SIZE_MATCH(xCompositeGetOverlayWindowReq); + VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess); + pScreen = pWin->drawable.pScreen; + + /* + * Create an OverlayClient structure to mark this client's + * interest in the overlay window + */ + pOc = compCreateOverlayClient(pScreen, client); + if (pOc == NULL) + return BadAlloc; + + /* + * Make sure the overlay window exists + */ + cs = GetCompScreen(pScreen); + if (cs->pOverlayWin == NULL) + if (!compCreateOverlayWindow(pScreen)) + { + FreeResource (pOc->resource, RT_NONE); + return BadAlloc; + } + + rc = XaceHook(XACE_RESOURCE_ACCESS, client, cs->pOverlayWin->drawable.id, + RT_WINDOW, cs->pOverlayWin, RT_NONE, NULL, DixGetAttrAccess); + if (rc != Success) + { + FreeResource (pOc->resource, RT_NONE); + return rc; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.overlayWin = cs->pOverlayWin->drawable.id; + + if (client->swapped) + { + int n; + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.overlayWin, n); + } + (void) WriteToClient(client, sz_xCompositeGetOverlayWindowReply, (char *)&rep); + + return Success; +} + +static int +ProcCompositeReleaseOverlayWindow (ClientPtr client) +{ + REQUEST(xCompositeReleaseOverlayWindowReq); + WindowPtr pWin; + ScreenPtr pScreen; + CompOverlayClientPtr pOc; + + REQUEST_SIZE_MATCH(xCompositeReleaseOverlayWindowReq); + VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess); + pScreen = pWin->drawable.pScreen; + + /* + * Has client queried a reference to the overlay window + * on this screen? If not, generate an error. + */ + pOc = compFindOverlayClient (pWin->drawable.pScreen, client); + if (pOc == NULL) + return BadMatch; + + /* The delete function will free the client structure */ + FreeResource (pOc->resource, RT_NONE); + + return Success; +} + +static int (*ProcCompositeVector[CompositeNumberRequests])(ClientPtr) = { + ProcCompositeQueryVersion, + ProcCompositeRedirectWindow, + ProcCompositeRedirectSubwindows, + ProcCompositeUnredirectWindow, + ProcCompositeUnredirectSubwindows, + ProcCompositeCreateRegionFromBorderClip, + ProcCompositeNameWindowPixmap, + ProcCompositeGetOverlayWindow, + ProcCompositeReleaseOverlayWindow, +}; + +static int +ProcCompositeDispatch (ClientPtr client) +{ + REQUEST(xReq); + + if (stuff->data < CompositeNumberRequests) + return (*ProcCompositeVector[stuff->data]) (client); + else + return BadRequest; +} + +static int +SProcCompositeQueryVersion (ClientPtr client) +{ + int n; + REQUEST(xCompositeQueryVersionReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xCompositeQueryVersionReq); + swapl(&stuff->majorVersion, n); + swapl(&stuff->minorVersion, n); + return (*ProcCompositeVector[stuff->compositeReqType]) (client); +} + +static int +SProcCompositeRedirectWindow (ClientPtr client) +{ + int n; + REQUEST(xCompositeRedirectWindowReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq); + swapl (&stuff->window, n); + return (*ProcCompositeVector[stuff->compositeReqType]) (client); +} + +static int +SProcCompositeRedirectSubwindows (ClientPtr client) +{ + int n; + REQUEST(xCompositeRedirectSubwindowsReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq); + swapl (&stuff->window, n); + return (*ProcCompositeVector[stuff->compositeReqType]) (client); +} + +static int +SProcCompositeUnredirectWindow (ClientPtr client) +{ + int n; + REQUEST(xCompositeUnredirectWindowReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq); + swapl (&stuff->window, n); + return (*ProcCompositeVector[stuff->compositeReqType]) (client); +} + +static int +SProcCompositeUnredirectSubwindows (ClientPtr client) +{ + int n; + REQUEST(xCompositeUnredirectSubwindowsReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq); + swapl (&stuff->window, n); + return (*ProcCompositeVector[stuff->compositeReqType]) (client); +} + +static int +SProcCompositeCreateRegionFromBorderClip (ClientPtr client) +{ + int n; + REQUEST(xCompositeCreateRegionFromBorderClipReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xCompositeCreateRegionFromBorderClipReq); + swapl (&stuff->region, n); + swapl (&stuff->window, n); + return (*ProcCompositeVector[stuff->compositeReqType]) (client); +} + +static int +SProcCompositeNameWindowPixmap (ClientPtr client) +{ + int n; + REQUEST(xCompositeNameWindowPixmapReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq); + swapl (&stuff->window, n); + swapl (&stuff->pixmap, n); + return (*ProcCompositeVector[stuff->compositeReqType]) (client); +} + +static int +SProcCompositeGetOverlayWindow (ClientPtr client) +{ + int n; + REQUEST(xCompositeGetOverlayWindowReq); + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH(xCompositeGetOverlayWindowReq); + swapl(&stuff->window, n); + return (*ProcCompositeVector[stuff->compositeReqType]) (client); +} + +static int +SProcCompositeReleaseOverlayWindow (ClientPtr client) +{ + int n; + REQUEST(xCompositeReleaseOverlayWindowReq); + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH(xCompositeReleaseOverlayWindowReq); + swapl(&stuff->window, n); + return (*ProcCompositeVector[stuff->compositeReqType]) (client); +} + +static int (*SProcCompositeVector[CompositeNumberRequests])(ClientPtr) = { + SProcCompositeQueryVersion, + SProcCompositeRedirectWindow, + SProcCompositeRedirectSubwindows, + SProcCompositeUnredirectWindow, + SProcCompositeUnredirectSubwindows, + SProcCompositeCreateRegionFromBorderClip, + SProcCompositeNameWindowPixmap, + SProcCompositeGetOverlayWindow, + SProcCompositeReleaseOverlayWindow, +}; + +static int +SProcCompositeDispatch (ClientPtr client) +{ + REQUEST(xReq); + + if (stuff->data < CompositeNumberRequests) + return (*SProcCompositeVector[stuff->data]) (client); + else + return BadRequest; +} + +void +CompositeExtensionInit (void) +{ + ExtensionEntry *extEntry; + int s; + + /* Assume initialization is going to fail */ + noCompositeExtension = TRUE; + + for (s = 0; s < screenInfo.numScreens; s++) { + ScreenPtr pScreen = screenInfo.screens[s]; + VisualPtr vis; + + /* Composite on 8bpp pseudocolor root windows appears to fail, so + * just disable it on anything pseudocolor for safety. + */ + for (vis = pScreen->visuals; vis->vid != pScreen->rootVisual; vis++) + ; + if ((vis->class | DynamicClass) == PseudoColor) + return; + + /* Ensure that Render is initialized, which is required for automatic + * compositing. + */ + if (GetPictureScreenIfSet(pScreen) == NULL) + return; + } + + CompositeClientWindowType = CreateNewResourceType + (FreeCompositeClientWindow, "CompositeClientWindow"); + if (!CompositeClientWindowType) + return; + + CompositeClientSubwindowsType = CreateNewResourceType + (FreeCompositeClientSubwindows, "CompositeClientSubwindows"); + if (!CompositeClientSubwindowsType) + return; + + CompositeClientOverlayType = CreateNewResourceType + (FreeCompositeClientOverlay, "CompositeClientOverlay"); + if (!CompositeClientOverlayType) + return; + + if (!dixRegisterPrivateKey(&CompositeClientPrivateKeyRec, PRIVATE_CLIENT, + sizeof(CompositeClientRec))) + return; + + if (!AddCallback (&ClientStateCallback, CompositeClientCallback, 0)) + return; + + for (s = 0; s < screenInfo.numScreens; s++) + if (!compScreenInit (screenInfo.screens[s])) + return; + + extEntry = AddExtension (COMPOSITE_NAME, 0, 0, + ProcCompositeDispatch, SProcCompositeDispatch, + NULL, StandardMinorOpcode); + if (!extEntry) + return; + CompositeReqCode = (CARD8) extEntry->base; + + miRegisterRedirectBorderClipProc (compSetRedirectBorderClip, + compGetRedirectBorderClip); + + /* Initialization succeeded */ + noCompositeExtension = FALSE; +} + +#ifdef PANORAMIX +#include "panoramiXsrv.h" + +int (*PanoramiXSaveCompositeVector[CompositeNumberRequests]) (ClientPtr); + +static int +PanoramiXCompositeRedirectWindow (ClientPtr client) +{ + PanoramiXRes *win; + int rc = 0, j; + REQUEST(xCompositeRedirectWindowReq); + + REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq); + + if ((rc = dixLookupResourceByType((void **)&win, stuff->window, XRT_WINDOW, + client, DixUnknownAccess))) { + client->errorValue = stuff->window; + return rc; + } + + FOR_NSCREENS_FORWARD(j) { + stuff->window = win->info[j].id; + rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client); + if (rc != Success) break; + } + + return rc; +} + +static int +PanoramiXCompositeRedirectSubwindows (ClientPtr client) +{ + PanoramiXRes *win; + int rc = 0, j; + REQUEST(xCompositeRedirectSubwindowsReq); + + REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq); + + if ((rc = dixLookupResourceByType((void **)&win, stuff->window, XRT_WINDOW, + client, DixUnknownAccess))) { + client->errorValue = stuff->window; + return rc; + } + + FOR_NSCREENS_FORWARD(j) { + stuff->window = win->info[j].id; + rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client); + if (rc != Success) break; + } + + return rc; +} + +static int +PanoramiXCompositeUnredirectWindow (ClientPtr client) +{ + PanoramiXRes *win; + int rc = 0, j; + REQUEST(xCompositeUnredirectWindowReq); + + REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq); + + if ((rc = dixLookupResourceByType((void **)&win, stuff->window, XRT_WINDOW, + client, DixUnknownAccess))) { + client->errorValue = stuff->window; + return rc; + } + + FOR_NSCREENS_FORWARD(j) { + stuff->window = win->info[j].id; + rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client); + if (rc != Success) break; + } + + return rc; +} + +static int +PanoramiXCompositeUnredirectSubwindows (ClientPtr client) +{ + PanoramiXRes *win; + int rc = 0, j; + REQUEST(xCompositeUnredirectSubwindowsReq); + + REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq); + + if ((rc = dixLookupResourceByType((void **)&win, stuff->window, XRT_WINDOW, + client, DixUnknownAccess))) { + client->errorValue = stuff->window; + return rc; + } + + FOR_NSCREENS_FORWARD(j) { + stuff->window = win->info[j].id; + rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client); + if (rc != Success) break; + } + + return rc; +} + +static int +PanoramiXCompositeNameWindowPixmap (ClientPtr client) +{ + WindowPtr pWin; + CompWindowPtr cw; + PixmapPtr pPixmap; + int rc; + PanoramiXRes *win, *newPix; + int i; + REQUEST(xCompositeNameWindowPixmapReq); + + REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq); + + if ((rc = dixLookupResourceByType((void **)&win, stuff->window, XRT_WINDOW, + client, DixUnknownAccess))) { + client->errorValue = stuff->window; + return rc; + } + + LEGAL_NEW_RESOURCE (stuff->pixmap, client); + + if(!(newPix = malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + newPix->type = XRT_PIXMAP; + newPix->u.pix.shared = FALSE; + newPix->info[0].id = stuff->pixmap; + + for (i = 1; i < PanoramiXNumScreens; i++) + newPix->info[i].id = FakeClientID (client->index); + + FOR_NSCREENS(i) { + rc = dixLookupResourceByType ((void **) &pWin, win->info[i].id, + RT_WINDOW, client, DixGetAttrAccess); + if (rc != Success) + { + client->errorValue = stuff->window; + free (newPix); + return rc; + } + + if (!pWin->viewable) + { + free (newPix); + return BadMatch; + } + + cw = GetCompWindow (pWin); + if (!cw) + { + free (newPix); + return BadMatch; + } + + pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin); + if (!pPixmap) + { + free (newPix); + return BadMatch; + } + + if (!AddResource (newPix->info[i].id, RT_PIXMAP, + (pointer) pPixmap)) + return BadAlloc; + + ++pPixmap->refcnt; + } + + if (!AddResource (stuff->pixmap, XRT_PIXMAP, (pointer) newPix)) + return BadAlloc; + + return Success; +} + + +static int +PanoramiXCompositeGetOverlayWindow (ClientPtr client) +{ + REQUEST(xCompositeGetOverlayWindowReq); + xCompositeGetOverlayWindowReply rep; + WindowPtr pWin; + ScreenPtr pScreen; + CompScreenPtr cs; + CompOverlayClientPtr pOc; + int rc; + PanoramiXRes *win, *overlayWin = NULL; + int i; + + REQUEST_SIZE_MATCH(xCompositeGetOverlayWindowReq); + + if ((rc = dixLookupResourceByType((void **)&win, stuff->window, XRT_WINDOW, + client, DixUnknownAccess))) { + client->errorValue = stuff->window; + return rc; + } + + cs = GetCompScreen(screenInfo.screens[0]); + if (!cs->pOverlayWin) + { + if(!(overlayWin = malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + overlayWin->type = XRT_WINDOW; + overlayWin->u.win.root = FALSE; + } + + FOR_NSCREENS_BACKWARD(i) { + rc = dixLookupResourceByType((pointer *)&pWin, win->info[i].id, + RT_WINDOW, client, DixGetAttrAccess); + if (rc != Success) + { + client->errorValue = stuff->window; + return rc; + } + pScreen = pWin->drawable.pScreen; + + /* + * Create an OverlayClient structure to mark this client's + * interest in the overlay window + */ + pOc = compCreateOverlayClient(pScreen, client); + if (pOc == NULL) + return BadAlloc; + + /* + * Make sure the overlay window exists + */ + cs = GetCompScreen(pScreen); + if (cs->pOverlayWin == NULL) + if (!compCreateOverlayWindow(pScreen)) + { + FreeResource (pOc->resource, RT_NONE); + return BadAlloc; + } + + rc = XaceHook(XACE_RESOURCE_ACCESS, client, + cs->pOverlayWin->drawable.id, + RT_WINDOW, cs->pOverlayWin, RT_NONE, NULL, + DixGetAttrAccess); + if (rc != Success) + { + FreeResource (pOc->resource, RT_NONE); + return rc; + } + } + + if (overlayWin) + { + FOR_NSCREENS(i) { + cs = GetCompScreen(screenInfo.screens[i]); + overlayWin->info[i].id = cs->pOverlayWin->drawable.id; + } + + AddResource(overlayWin->info[0].id, XRT_WINDOW, overlayWin); + } + + cs = GetCompScreen(screenInfo.screens[0]); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.overlayWin = cs->pOverlayWin->drawable.id; + + if (client->swapped) + { + int n; + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.overlayWin, n); + } + (void) WriteToClient(client, sz_xCompositeGetOverlayWindowReply, (char *)&rep); + + return Success; +} + +static int +PanoramiXCompositeReleaseOverlayWindow (ClientPtr client) +{ + REQUEST(xCompositeReleaseOverlayWindowReq); + WindowPtr pWin; + ScreenPtr pScreen; + CompOverlayClientPtr pOc; + PanoramiXRes *win; + int i, rc; + + REQUEST_SIZE_MATCH(xCompositeReleaseOverlayWindowReq); + + if ((rc = dixLookupResourceByType((void **)&win, stuff->window, XRT_WINDOW, + client, DixUnknownAccess))) { + client->errorValue = stuff->window; + return rc; + } + + FOR_NSCREENS_BACKWARD(i) { + if ((rc = dixLookupResourceByType((void **)&pWin, win->info[i].id, + XRT_WINDOW, client, + DixUnknownAccess))) { + client->errorValue = stuff->window; + return rc; + } + pScreen = pWin->drawable.pScreen; + + /* + * Has client queried a reference to the overlay window + * on this screen? If not, generate an error. + */ + pOc = compFindOverlayClient (pWin->drawable.pScreen, client); + if (pOc == NULL) + return BadMatch; + + /* The delete function will free the client structure */ + FreeResource (pOc->resource, RT_NONE); + } + + return Success; +} + +void +PanoramiXCompositeInit (void) +{ + int i; + + for (i = 0; i < CompositeNumberRequests; i++) + PanoramiXSaveCompositeVector[i] = ProcCompositeVector[i]; + /* + * Stuff in Xinerama aware request processing hooks + */ + ProcCompositeVector[X_CompositeRedirectWindow] = + PanoramiXCompositeRedirectWindow; + ProcCompositeVector[X_CompositeRedirectSubwindows] = + PanoramiXCompositeRedirectSubwindows; + ProcCompositeVector[X_CompositeUnredirectWindow] = + PanoramiXCompositeUnredirectWindow; + ProcCompositeVector[X_CompositeUnredirectSubwindows] = + PanoramiXCompositeUnredirectSubwindows; + ProcCompositeVector[X_CompositeNameWindowPixmap] = + PanoramiXCompositeNameWindowPixmap; + ProcCompositeVector[X_CompositeGetOverlayWindow] = + PanoramiXCompositeGetOverlayWindow; + ProcCompositeVector[X_CompositeReleaseOverlayWindow] = + PanoramiXCompositeReleaseOverlayWindow; +} + +void +PanoramiXCompositeReset (void) +{ + int i; + + for (i = 0; i < CompositeNumberRequests; i++) + ProcCompositeVector[i] = PanoramiXSaveCompositeVector[i]; +} + +#endif diff --git a/composite/compinit.c b/composite/compinit.c new file mode 100644 index 0000000..90ee66c --- /dev/null +++ b/composite/compinit.c @@ -0,0 +1,415 @@ +/* + * 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 "compositeext.h" + +DevPrivateKeyRec CompScreenPrivateKeyRec; +DevPrivateKeyRec CompWindowPrivateKeyRec; +DevPrivateKeyRec CompSubwindowsPrivateKeyRec; + +static Bool +compCloseScreen (int index, ScreenPtr pScreen) +{ + CompScreenPtr cs = GetCompScreen (pScreen); + Bool ret; + + free(cs->alternateVisuals); + + pScreen->CloseScreen = cs->CloseScreen; + pScreen->InstallColormap = cs->InstallColormap; + pScreen->ChangeWindowAttributes = cs->ChangeWindowAttributes; + pScreen->ReparentWindow = cs->ReparentWindow; + pScreen->ConfigNotify = cs->ConfigNotify; + pScreen->MoveWindow = cs->MoveWindow; + pScreen->ResizeWindow = cs->ResizeWindow; + pScreen->ChangeBorderWidth = cs->ChangeBorderWidth; + + pScreen->ClipNotify = cs->ClipNotify; + pScreen->UnrealizeWindow = cs->UnrealizeWindow; + pScreen->RealizeWindow = cs->RealizeWindow; + pScreen->DestroyWindow = cs->DestroyWindow; + pScreen->CreateWindow = cs->CreateWindow; + pScreen->CopyWindow = cs->CopyWindow; + pScreen->PositionWindow = cs->PositionWindow; + + pScreen->GetImage = cs->GetImage; + pScreen->SourceValidate = cs->SourceValidate; + + free(cs); + dixSetPrivate(&pScreen->devPrivates, CompScreenPrivateKey, NULL); + ret = (*pScreen->CloseScreen) (index, pScreen); + + return ret; +} + +static void +compInstallColormap (ColormapPtr pColormap) +{ + VisualPtr pVisual = pColormap->pVisual; + ScreenPtr pScreen = pColormap->pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + int a; + + for (a = 0; a < cs->numAlternateVisuals; a++) + if (pVisual->vid == cs->alternateVisuals[a]) + return; + pScreen->InstallColormap = cs->InstallColormap; + (*pScreen->InstallColormap) (pColormap); + cs->InstallColormap = pScreen->InstallColormap; + pScreen->InstallColormap = compInstallColormap; +} + +/* Fake backing store via automatic redirection */ +static Bool +compChangeWindowAttributes(WindowPtr pWin, unsigned long mask) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + Bool ret; + + pScreen->ChangeWindowAttributes = cs->ChangeWindowAttributes; + ret = pScreen->ChangeWindowAttributes(pWin, mask); + + if (ret && (mask & CWBackingStore) && + pScreen->backingStoreSupport != NotUseful) { + if (pWin->backingStore != NotUseful) { + compRedirectWindow(serverClient, pWin, CompositeRedirectAutomatic); + pWin->backStorage = (pointer) (intptr_t) 1; + } else { + compUnredirectWindow(serverClient, pWin, + CompositeRedirectAutomatic); + pWin->backStorage = NULL; + } + } + + pScreen->ChangeWindowAttributes = compChangeWindowAttributes; + + return ret; +} + +static void +compGetImage (DrawablePtr pDrawable, + int sx, int sy, + int w, int h, + unsigned int format, + unsigned long planemask, + char *pdstLine) +{ + ScreenPtr pScreen = pDrawable->pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + + pScreen->GetImage = cs->GetImage; + if (pDrawable->type == DRAWABLE_WINDOW) + compPaintChildrenToWindow ((WindowPtr) pDrawable); + (*pScreen->GetImage) (pDrawable, sx, sy, w, h, format, planemask, pdstLine); + cs->GetImage = pScreen->GetImage; + pScreen->GetImage = compGetImage; +} + +static void compSourceValidate(DrawablePtr pDrawable, + int x, int y, + int width, int height, + unsigned int subWindowMode) +{ + ScreenPtr pScreen = pDrawable->pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + + pScreen->SourceValidate = cs->SourceValidate; + if (pDrawable->type == DRAWABLE_WINDOW && subWindowMode == IncludeInferiors) + compPaintChildrenToWindow ((WindowPtr) pDrawable); + if (pScreen->SourceValidate) + (*pScreen->SourceValidate) (pDrawable, x, y, width, height, + subWindowMode); + cs->SourceValidate = pScreen->SourceValidate; + pScreen->SourceValidate = compSourceValidate; +} + +/* + * Add alternate visuals -- always expose an ARGB32 and RGB24 visual + */ + +static DepthPtr +compFindVisuallessDepth (ScreenPtr pScreen, int d) +{ + int i; + + for (i = 0; i < pScreen->numDepths; i++) + { + DepthPtr depth = &pScreen->allowedDepths[i]; + if (depth->depth == d) + { + /* + * Make sure it doesn't have visuals already + */ + if (depth->numVids) + return 0; + /* + * looks fine + */ + return depth; + } + } + /* + * If there isn't one, then it's gonna be hard to have + * an associated visual + */ + return 0; +} + +/* + * Add a list of visual IDs to the list of visuals to implicitly redirect. + */ +static Bool +compRegisterAlternateVisuals (CompScreenPtr cs, VisualID *vids, int nVisuals) +{ + VisualID *p; + + p = realloc(cs->alternateVisuals, + sizeof(VisualID) * (cs->numAlternateVisuals + nVisuals)); + if(p == NULL) + return FALSE; + + memcpy(&p[cs->numAlternateVisuals], vids, sizeof(VisualID) * nVisuals); + + cs->alternateVisuals = p; + cs->numAlternateVisuals += nVisuals; + + return TRUE; +} + +Bool CompositeRegisterAlternateVisuals (ScreenPtr pScreen, VisualID *vids, + int nVisuals) +{ + CompScreenPtr cs = GetCompScreen (pScreen); + return compRegisterAlternateVisuals(cs, vids, nVisuals); +} + +typedef struct _alternateVisual { + int depth; + CARD32 format; +} CompAlternateVisual; + +static CompAlternateVisual altVisuals[] = { +#if COMP_INCLUDE_RGB24_VISUAL + { 24, PICT_r8g8b8 }, +#endif + { 32, PICT_a8r8g8b8 }, +}; + +static const int NUM_COMP_ALTERNATE_VISUALS = sizeof(altVisuals) / + sizeof(CompAlternateVisual); + +static Bool +compAddAlternateVisual(ScreenPtr pScreen, CompScreenPtr cs, + CompAlternateVisual *alt) +{ + VisualPtr visual; + DepthPtr depth; + PictFormatPtr pPictFormat; + unsigned long alphaMask; + + /* + * The ARGB32 visual is always available. Other alternate depth visuals + * are only provided if their depth is less than the root window depth. + * There's no deep reason for this. + */ + if (alt->depth >= pScreen->rootDepth && alt->depth != 32) + return FALSE; + + depth = compFindVisuallessDepth (pScreen, alt->depth); + if (!depth) + /* alt->depth doesn't exist or already has alternate visuals. */ + return TRUE; + + pPictFormat = PictureMatchFormat (pScreen, alt->depth, alt->format); + if (!pPictFormat) + return FALSE; + + if (ResizeVisualArray(pScreen, 1, depth) == FALSE) { + return FALSE; + } + + visual = pScreen->visuals + (pScreen->numVisuals - 1); /* the new one */ + + /* Initialize the visual */ + visual->bitsPerRGBValue = 8; + if (PICT_FORMAT_TYPE(alt->format) == PICT_TYPE_COLOR) { + visual->class = PseudoColor; + visual->nplanes = PICT_FORMAT_BPP(alt->format); + visual->ColormapEntries = 1 << visual->nplanes; + } else { + DirectFormatRec *direct = &pPictFormat->direct; + visual->class = TrueColor; + visual->redMask = ((unsigned long)direct->redMask) << direct->red; + visual->greenMask = ((unsigned long)direct->greenMask) << direct->green; + visual->blueMask = ((unsigned long)direct->blueMask) << direct->blue; + alphaMask = ((unsigned long)direct->alphaMask) << direct->alpha; + visual->offsetRed = direct->red; + visual->offsetGreen = direct->green; + visual->offsetBlue = direct->blue; + /* + * Include A bits in this (unlike GLX which includes only RGB) + * This lets DIX compute suitable masks for colormap allocations + */ + visual->nplanes = Ones (visual->redMask | + visual->greenMask | + visual->blueMask | + alphaMask); + /* find widest component */ + visual->ColormapEntries = (1 << max (Ones (visual->redMask), + max (Ones (visual->greenMask), + Ones (visual->blueMask)))); + } + + /* remember the visual ID to detect auto-update windows */ + compRegisterAlternateVisuals(cs, &visual->vid, 1); + + return TRUE; +} + +static Bool +compAddAlternateVisuals (ScreenPtr pScreen, CompScreenPtr cs) +{ + int alt, ret = 0; + + for (alt = 0; alt < NUM_COMP_ALTERNATE_VISUALS; alt++) + ret |= compAddAlternateVisual(pScreen, cs, altVisuals + alt); + + return !!ret; +} + +Bool +compScreenInit (ScreenPtr pScreen) +{ + CompScreenPtr cs; + + if (!dixRegisterPrivateKey(&CompScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) + return FALSE; + if (!dixRegisterPrivateKey(&CompWindowPrivateKeyRec, PRIVATE_WINDOW, 0)) + return FALSE; + if (!dixRegisterPrivateKey(&CompSubwindowsPrivateKeyRec, PRIVATE_WINDOW, 0)) + return FALSE; + + if (GetCompScreen (pScreen)) + return TRUE; + cs = (CompScreenPtr) malloc(sizeof (CompScreenRec)); + if (!cs) + return FALSE; + + cs->overlayWid = FakeClientID(0); + cs->pOverlayWin = NULL; + cs->pOverlayClients = NULL; + + cs->numAlternateVisuals = 0; + cs->alternateVisuals = NULL; + + if (!compAddAlternateVisuals (pScreen, cs)) + { + free(cs); + return FALSE; + } + + cs->PositionWindow = pScreen->PositionWindow; + pScreen->PositionWindow = compPositionWindow; + + cs->CopyWindow = pScreen->CopyWindow; + pScreen->CopyWindow = compCopyWindow; + + cs->CreateWindow = pScreen->CreateWindow; + pScreen->CreateWindow = compCreateWindow; + + cs->DestroyWindow = pScreen->DestroyWindow; + pScreen->DestroyWindow = compDestroyWindow; + + cs->RealizeWindow = pScreen->RealizeWindow; + pScreen->RealizeWindow = compRealizeWindow; + + cs->UnrealizeWindow = pScreen->UnrealizeWindow; + pScreen->UnrealizeWindow = compUnrealizeWindow; + + cs->ClipNotify = pScreen->ClipNotify; + pScreen->ClipNotify = compClipNotify; + + cs->ConfigNotify = pScreen->ConfigNotify; + pScreen->ConfigNotify = compConfigNotify; + + cs->MoveWindow = pScreen->MoveWindow; + pScreen->MoveWindow = compMoveWindow; + + cs->ResizeWindow = pScreen->ResizeWindow; + pScreen->ResizeWindow = compResizeWindow; + + cs->ChangeBorderWidth = pScreen->ChangeBorderWidth; + pScreen->ChangeBorderWidth = compChangeBorderWidth; + + cs->ReparentWindow = pScreen->ReparentWindow; + pScreen->ReparentWindow = compReparentWindow; + + cs->InstallColormap = pScreen->InstallColormap; + pScreen->InstallColormap = compInstallColormap; + + cs->ChangeWindowAttributes = pScreen->ChangeWindowAttributes; + pScreen->ChangeWindowAttributes = compChangeWindowAttributes; + + cs->BlockHandler = NULL; + + cs->CloseScreen = pScreen->CloseScreen; + pScreen->CloseScreen = compCloseScreen; + + cs->GetImage = pScreen->GetImage; + pScreen->GetImage = compGetImage; + + cs->SourceValidate = pScreen->SourceValidate; + pScreen->SourceValidate = compSourceValidate; + + dixSetPrivate(&pScreen->devPrivates, CompScreenPrivateKey, cs); + + RegisterRealChildHeadProc(CompositeRealChildHead); + + return TRUE; +} diff --git a/composite/compint.h b/composite/compint.h new file mode 100644 index 0000000..57e0b5d --- /dev/null +++ b/composite/compint.h @@ -0,0 +1,333 @@ +/* + * 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 +compFreePixmap (WindowPtr pWin); + +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/composite/compositeext.h b/composite/compositeext.h new file mode 100644 index 0000000..b20bab1 --- /dev/null +++ b/composite/compositeext.h @@ -0,0 +1,38 @@ +/* + * Copyright © 2009 NVIDIA Corporation + * + * 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. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#ifndef _COMPOSITEEXT_H_ +#define _COMPOSITEEXT_H_ + +#include "misc.h" +#include "scrnintstr.h" + +extern _X_EXPORT Bool CompositeRegisterAlternateVisuals(ScreenPtr pScreen, + VisualID *vids, + int nVisuals); + +#endif /* _COMPOSITEEXT_H_ */ diff --git a/composite/compoverlay.c b/composite/compoverlay.c new file mode 100644 index 0000000..047f069 --- /dev/null +++ b/composite/compoverlay.c @@ -0,0 +1,173 @@ +/* + * 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" + +#ifdef PANORAMIX +#include "panoramiXsrv.h" +#endif + +/* + * Delete the given overlay client list element from its screen list. + */ +void +compFreeOverlayClient (CompOverlayClientPtr pOcToDel) +{ + ScreenPtr pScreen = pOcToDel->pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + CompOverlayClientPtr *pPrev, pOc; + + for (pPrev = &cs->pOverlayClients; (pOc = *pPrev); pPrev = &pOc->pNext) + { + if (pOc == pOcToDel) { + *pPrev = pOc->pNext; + free(pOc); + break; + } + } + + /* Destroy overlay window when there are no more clients using it */ + if (cs->pOverlayClients == NULL) + compDestroyOverlayWindow (pScreen); +} + +/* + * Return the client's first overlay client rec from the given screen + */ +CompOverlayClientPtr +compFindOverlayClient (ScreenPtr pScreen, ClientPtr pClient) +{ + CompScreenPtr cs = GetCompScreen(pScreen); + CompOverlayClientPtr pOc; + + for (pOc = cs->pOverlayClients; pOc != NULL; pOc = pOc->pNext) + if (pOc->pClient == pClient) + return pOc; + + return NULL; +} + +/* + * Create an overlay client object for the given client + */ +CompOverlayClientPtr +compCreateOverlayClient (ScreenPtr pScreen, ClientPtr pClient) +{ + CompScreenPtr cs = GetCompScreen(pScreen); + CompOverlayClientPtr pOc; + + pOc = (CompOverlayClientPtr) malloc(sizeof(CompOverlayClientRec)); + if (pOc == NULL) + return NULL; + + pOc->pClient = pClient; + pOc->pScreen = pScreen; + pOc->resource = FakeClientID(pClient->index); + pOc->pNext = cs->pOverlayClients; + cs->pOverlayClients = pOc; + + /* + * Create a resource for this element so it can be deleted + * when the client goes away. + */ + if (!AddResource (pOc->resource, CompositeClientOverlayType, (pointer) pOc)) + return NULL; + + return pOc; +} + +/* + * Create the overlay window and map it + */ +Bool +compCreateOverlayWindow (ScreenPtr pScreen) +{ + CompScreenPtr cs = GetCompScreen(pScreen); + WindowPtr pRoot = pScreen->root; + WindowPtr pWin; + XID attrs[] = { None, TRUE }; /* backPixmap, overrideRedirect */ + int result; + int w = pScreen->width; + int h = pScreen->height; + +#ifdef PANORAMIX + if (!noPanoramiXExtension) + { + w = PanoramiXPixWidth; + h = PanoramiXPixHeight; + } +#endif + + pWin = cs->pOverlayWin = + CreateWindow (cs->overlayWid, pRoot, 0, 0, w, h, 0, + InputOutput, CWBackPixmap | CWOverrideRedirect, &attrs[0], + pRoot->drawable.depth, + serverClient, pScreen->rootVisual, &result); + if (pWin == NULL) + return FALSE; + + if (!AddResource(pWin->drawable.id, RT_WINDOW, (pointer)pWin)) + return FALSE; + + MapWindow(pWin, serverClient); + + return TRUE; +} + +/* + * Destroy the overlay window + */ +void +compDestroyOverlayWindow (ScreenPtr pScreen) +{ + CompScreenPtr cs = GetCompScreen(pScreen); + + cs->pOverlayWin = NullWindow; + FreeResource (cs->overlayWid, RT_NONE); +} + diff --git a/composite/compwindow.c b/composite/compwindow.c new file mode 100644 index 0000000..2440f18 --- /dev/null +++ b/composite/compwindow.c @@ -0,0 +1,819 @@ +/* + * 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 + compFreePixmap (pWin); + } + 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) + compFreePixmap (pWin); + 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; +} |