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-rw-r--r--nx-X11/programs/Xserver/composite/.gitignore0
-rw-r--r--nx-X11/programs/Xserver/composite/Imakefile29
-rw-r--r--nx-X11/programs/Xserver/composite/compalloc.c710
-rw-r--r--nx-X11/programs/Xserver/composite/compext.c1063
-rw-r--r--nx-X11/programs/Xserver/composite/compinit.c492
-rw-r--r--nx-X11/programs/Xserver/composite/compint.h360
-rw-r--r--nx-X11/programs/Xserver/composite/compositeext.h44
-rw-r--r--nx-X11/programs/Xserver/composite/compoverlay.c178
-rw-r--r--nx-X11/programs/Xserver/composite/compwindow.c909
9 files changed, 3785 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/composite/.gitignore b/nx-X11/programs/Xserver/composite/.gitignore
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/nx-X11/programs/Xserver/composite/.gitignore
diff --git a/nx-X11/programs/Xserver/composite/Imakefile b/nx-X11/programs/Xserver/composite/Imakefile
new file mode 100644
index 000000000..cf44ded4a
--- /dev/null
+++ b/nx-X11/programs/Xserver/composite/Imakefile
@@ -0,0 +1,29 @@
+#include <Server.tmpl>
+
+ NULL =
+
+ SRCS = compalloc.c compext.c compinit.c compoverlay.c compwindow.c
+
+ OBJS = compalloc.o compext.o compinit.o compoverlay.o compwindow.o
+
+ INCLUDES = -I../include -I../mi -I../Xext -I../render -I../xfixes \
+ -I../damageext -I../miext/damage -I$(EXTINCSRC) \
+ -I$(XINCLUDESRC) \
+ `pkg-config --cflags-only-I pixman-1`
+
+ LINTLIBS = ../dix/llib-ldix.ln ../os/llib-los.ln
+
+#if defined(NXAgentServer) && NXAgentServer
+ NX_DEFINES = -DNXAGENT_SERVER
+#endif
+
+ DEFINES = \
+ $(NX_DEFINES) \
+ $(NULL)
+
+NormalLibraryTarget(composite,$(OBJS))
+NormalLibraryObjectRule()
+LintLibraryTarget(composite,$(SRCS))
+NormalLintTarget($(SRCS))
+
+DependTarget()
diff --git a/nx-X11/programs/Xserver/composite/compalloc.c b/nx-X11/programs/Xserver/composite/compalloc.c
new file mode 100644
index 000000000..22b036265
--- /dev/null
+++ b/nx-X11/programs/Xserver/composite/compalloc.c
@@ -0,0 +1,710 @@
+/*
+ * $Id: compalloc.c,v 1.7 2005/07/03 07:37:34 daniels Exp $
+ *
+ * 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, pScreen->root);
+}
+
+static void
+compBlockHandler(int i, void *blockData, void *pTimeout, void *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;
+ }
+ cs->damaged = TRUE;
+ cw->damaged = TRUE;
+
+ /* Mark the ancestors */
+ /* We can't do this, Dave. No damagedDescendants support. */
+ /*
+ pWin = pWin->parent;
+ while (pWin) {
+ if (pWin->damagedDescendants)
+ break;
+ pWin->damagedDescendants = TRUE;
+ pWin = pWin->parent;
+ }
+ */
+}
+
+static void
+compDestroyDamage(DamagePtr pDamage, void *closure)
+{
+ WindowPtr pWin = (WindowPtr) closure;
+ CompWindowPtr cw = GetCompWindow(pWin);
+
+ cw->damage = 0;
+}
+
+static Bool
+compMarkWindows(WindowPtr pWin, WindowPtr *ppLayerWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ WindowPtr pLayerWin = pWin;
+
+ if (!pWin->viewable)
+ return FALSE;
+
+ (*pScreen->MarkOverlappedWindows) (pWin, pWin, &pLayerWin);
+ (*pScreen->MarkWindow) (pLayerWin->parent);
+
+ *ppLayerWin = pLayerWin;
+
+ return TRUE;
+}
+
+static void
+compHandleMarkedWindows(WindowPtr pWin, WindowPtr pLayerWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ (*pScreen->ValidateTree) (pLayerWin->parent, pLayerWin, VTOther);
+ (*pScreen->HandleExposures) (pLayerWin->parent);
+ if (pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree) (pLayerWin->parent, pLayerWin, VTOther);
+}
+
+/*
+ * Redirect one window for one client
+ */
+int
+compRedirectWindow(ClientPtr pClient, WindowPtr pWin, int update)
+{
+ CompWindowPtr cw = GetCompWindow(pWin);
+ CompClientWindowPtr ccw;
+ CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen);
+ WindowPtr pLayerWin;
+ Bool anyMarked = FALSE;
+
+ if (pWin == cs->pOverlayWin) {
+ return Success;
+ }
+
+ if (!pWin->parent)
+ return BadMatch;
+
+ /*
+ * Only one Manual update is allowed
+ */
+ if (cw && update == CompositeRedirectManual)
+ for (ccw = cw->clients; ccw; ccw = ccw->next)
+ if (ccw->update == CompositeRedirectManual)
+ return BadAccess;
+
+ /*
+ * Allocate per-client per-window structure
+ * The client *could* allocate multiple, but while supported,
+ * it is not expected to be common
+ */
+ ccw = malloc (sizeof (CompClientWindowRec));
+ if (!ccw)
+ return BadAlloc;
+ ccw->id = FakeClientID (pClient->index);
+ ccw->update = update;
+ /*
+ * Now make sure there's a per-window structure to hang this from
+ */
+ if (!cw)
+ {
+ cw = 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;
+ }
+
+ anyMarked = compMarkWindows(pWin, &pLayerWin);
+
+ RegionNull(&cw->borderClip);
+ 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;
+ FAKE_DIX_SET_WINDOW_PRIVATE(pWin, cw);
+ }
+ ccw->next = cw->clients;
+ cw->clients = ccw;
+ if (!AddResource (ccw->id, CompositeClientWindowType, pWin))
+ return BadAlloc;
+ if (ccw->update == CompositeRedirectManual)
+ {
+ if (!anyMarked)
+ anyMarked = compMarkWindows(pWin, &pLayerWin);
+
+ if (cw->damageRegistered) {
+ DamageUnregister (&pWin->drawable, cw->damage);
+ cw->damageRegistered = FALSE;
+ }
+ cw->update = CompositeRedirectManual;
+ }
+ else if (cw->update == CompositeRedirectAutomatic && !cw->damageRegistered) {
+ if (!anyMarked)
+ anyMarked = compMarkWindows(pWin, &pLayerWin);
+ }
+
+ if (!compCheckRedirect (pWin))
+ {
+ FreeResource (ccw->id, RT_NONE);
+ return BadAlloc;
+ }
+
+ if (anyMarked)
+ compHandleMarkedWindows(pWin, pLayerWin);
+
+ return Success;
+}
+
+void
+compRestoreWindow(WindowPtr pWin, PixmapPtr pPixmap)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ WindowPtr pParent = pWin->parent;
+
+ if (pParent->drawable.depth == pWin->drawable.depth) {
+ GCPtr pGC = GetScratchGC(pWin->drawable.depth, pScreen);
+ int bw = (int) pWin->borderWidth;
+ int x = bw;
+ int y = bw;
+ int w = pWin->drawable.width;
+ int h = pWin->drawable.height;
+
+ if (pGC) {
+ ChangeGCVal val;
+
+ val.val = IncludeInferiors;
+ dixChangeGC(NullClient, pGC, GCSubwindowMode, NULL, &val);
+ ValidateGC(&pWin->drawable, pGC);
+ (*pGC->ops->CopyArea) (&pPixmap->drawable,
+ &pWin->drawable, pGC, x, y, w, h, 0, 0);
+ FreeScratchGC(pGC);
+ }
+ }
+}
+
+/*
+ * Free one of the per-client per-window resources, clearing
+ * redirect and the per-window pointer as appropriate
+ */
+void
+compFreeClientWindow (WindowPtr pWin, XID id)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompWindowPtr cw = GetCompWindow (pWin);
+ CompClientWindowPtr ccw, *prev;
+ Bool anyMarked = FALSE;
+ WindowPtr pLayerWin;
+ PixmapPtr pPixmap = NULL;
+
+ if (!cw)
+ return;
+ for (prev = &cw->clients; (ccw = *prev); prev = &ccw->next)
+ {
+ if (ccw->id == id)
+ {
+ *prev = ccw->next;
+ if (ccw->update == CompositeRedirectManual)
+ cw->update = CompositeRedirectAutomatic;
+ free (ccw);
+ break;
+ }
+ }
+ if (!cw->clients)
+ {
+ anyMarked = compMarkWindows(pWin, &pLayerWin);
+
+ if (pWin->redirectDraw != RedirectDrawNone) {
+ pPixmap = (*pScreen->GetWindowPixmap) (pWin);
+ compSetParentPixmap(pWin);
+ }
+
+ if (cw->damage)
+ DamageDestroy (cw->damage);
+
+ RegionUninit(&cw->borderClip);
+
+ FAKE_DIX_SET_WINDOW_PRIVATE(pWin, NULL);
+ free (cw);
+ }
+ else if (cw->update == CompositeRedirectAutomatic &&
+ !cw->damageRegistered && pWin->redirectDraw != RedirectDrawNone)
+ {
+ anyMarked = compMarkWindows(pWin, &pLayerWin);
+
+ DamageRegister (&pWin->drawable, cw->damage);
+ cw->damageRegistered = TRUE;
+ pWin->redirectDraw = RedirectDrawAutomatic;
+ DamageDamageRegion (&pWin->drawable, &pWin->borderSize);
+ }
+
+ if (anyMarked)
+ compHandleMarkedWindows(pWin, pLayerWin);
+
+ if (pPixmap) {
+ compRestoreWindow(pWin, pPixmap);
+ (*pScreen->DestroyPixmap) (pPixmap);
+ }
+}
+
+/*
+ * This is easy, just free the appropriate resource.
+ */
+
+int
+compUnredirectWindow (ClientPtr pClient, WindowPtr pWin, int update)
+{
+ CompWindowPtr cw = GetCompWindow (pWin);
+ CompClientWindowPtr ccw;
+
+ if (!cw)
+ return BadValue;
+
+ for (ccw = cw->clients; ccw; ccw = ccw->next)
+ if (ccw->update == update && CLIENT_ID(ccw->id) == pClient->index)
+ {
+ FreeResource (ccw->id, RT_NONE);
+ return Success;
+ }
+ return BadValue;
+}
+
+/*
+ * Redirect all subwindows for one client
+ */
+
+int
+compRedirectSubwindows (ClientPtr pClient, WindowPtr pWin, int update)
+{
+ CompSubwindowsPtr csw = GetCompSubwindows (pWin);
+ CompClientWindowPtr ccw;
+ WindowPtr pChild;
+
+ /*
+ * Only one Manual update is allowed
+ */
+ if (csw && update == CompositeRedirectManual)
+ for (ccw = csw->clients; ccw; ccw = ccw->next)
+ if (ccw->update == CompositeRedirectManual)
+ return BadAccess;
+ /*
+ * Allocate per-client per-window structure
+ * The client *could* allocate multiple, but while supported,
+ * it is not expected to be common
+ */
+ ccw = malloc (sizeof (CompClientWindowRec));
+ if (!ccw)
+ return BadAlloc;
+ ccw->id = FakeClientID (pClient->index);
+ ccw->update = update;
+ /*
+ * Now make sure there's a per-window structure to hang this from
+ */
+ if (!csw)
+ {
+ csw = malloc (sizeof (CompSubwindowsRec));
+ if (!csw)
+ {
+ free (ccw);
+ return BadAlloc;
+ }
+ csw->update = CompositeRedirectAutomatic;
+ csw->clients = 0;
+ FAKE_DIX_SET_SUBWINDOWS_PRIVATE(pWin, 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);
+ FAKE_DIX_SET_SUBWINDOWS_PRIVATE(pWin, NULL);
+ }
+ 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)
+ {
+ FAKE_DIX_SET_SUBWINDOWS_PRIVATE(pWin, NULL);
+ free (csw);
+ }
+}
+
+/*
+ * This is easy, just free the appropriate resource.
+ */
+
+int
+compUnredirectSubwindows (ClientPtr pClient, WindowPtr pWin, int update)
+{
+ CompSubwindowsPtr csw = GetCompSubwindows (pWin);
+ CompClientWindowPtr ccw;
+
+ if (!csw)
+ return BadValue;
+ for (ccw = csw->clients; ccw; ccw = ccw->next)
+ if (ccw->update == update && CLIENT_ID(ccw->id) == pClient->index)
+ {
+ FreeResource (ccw->id, RT_NONE);
+ return Success;
+ }
+ return BadValue;
+}
+
+/*
+ * Add redirection information for one subwindow (during reparent)
+ */
+
+int
+compRedirectOneSubwindow (WindowPtr pParent, WindowPtr pWin)
+{
+ CompSubwindowsPtr csw = GetCompSubwindows (pParent);
+ CompClientWindowPtr ccw;
+
+ if (!csw)
+ return Success;
+ for (ccw = csw->clients; ccw; ccw = ccw->next)
+ {
+ int ret = compRedirectWindow (clients[CLIENT_ID(ccw->id)],
+ pWin, ccw->update);
+ if (ret != Success)
+ return ret;
+ }
+ return Success;
+}
+
+/*
+ * Remove redirection information for one subwindow (during reparent)
+ */
+
+int
+compUnredirectOneSubwindow (WindowPtr pParent, WindowPtr pWin)
+{
+ CompSubwindowsPtr csw = GetCompSubwindows (pParent);
+ CompClientWindowPtr ccw;
+
+ if (!csw)
+ return Success;
+ for (ccw = csw->clients; ccw; ccw = ccw->next)
+ {
+ int ret = compUnredirectWindow (clients[CLIENT_ID(ccw->id)],
+ pWin, ccw->update);
+ if (ret != Success)
+ return ret;
+ }
+ return Success;
+}
+
+static PixmapPtr
+compNewPixmap (WindowPtr pWin, int x, int y, int w, int h)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ WindowPtr pParent = pWin->parent;
+ PixmapPtr pPixmap;
+
+ /* usage_hint unsupported by our old server infrastructure. */
+ pPixmap = (*pScreen->CreatePixmap) (pScreen, w, h, pWin->drawable.depth,
+ CREATE_PIXMAP_USAGE_BACKING_PIXMAP);
+
+ if (!pPixmap)
+ return 0;
+
+ pPixmap->screen_x = x;
+ pPixmap->screen_y = y;
+
+ if (pParent->drawable.depth == pWin->drawable.depth) {
+ GCPtr pGC = GetScratchGC (pWin->drawable.depth, pScreen);
+
+ /*
+ * Copy bits from the parent into the new pixmap so that it will
+ * have "reasonable" contents in case for background None areas.
+ */
+ if (pGC)
+ {
+ ChangeGCVal val;
+
+ val.val = IncludeInferiors;
+ dixChangeGC(NullClient, pGC, GCSubwindowMode, NULL, &val);
+ ValidateGC(&pPixmap->drawable, pGC);
+ (*pGC->ops->CopyArea) (&pParent->drawable,
+ &pPixmap->drawable,
+ pGC,
+ x - pParent->drawable.x,
+ y - pParent->drawable.y,
+ w, h, 0, 0);
+ FreeScratchGC (pGC);
+ }
+ }
+ else {
+ PictFormatPtr pSrcFormat = compWindowFormat (pParent);
+ PictFormatPtr pDstFormat = compWindowFormat (pWin);
+ XID inferiors = IncludeInferiors;
+ int error;
+
+ PicturePtr pSrcPicture = CreatePicture(None,
+ &pParent->drawable,
+ pSrcFormat,
+ CPSubwindowMode,
+ &inferiors,
+ serverClient, &error);
+
+ PicturePtr pDstPicture = CreatePicture(None,
+ &pPixmap->drawable,
+ pDstFormat,
+ 0, 0,
+ serverClient, &error);
+
+ if (pSrcPicture && pDstPicture) {
+ CompositePicture(PictOpSrc,
+ pSrcPicture,
+ NULL,
+ pDstPicture,
+ x - pParent->drawable.x,
+ y - pParent->drawable.y, 0, 0, 0, 0, w, h);
+ }
+ if (pSrcPicture)
+ FreePicture(pSrcPicture, 0);
+ if (pDstPicture)
+ FreePicture(pDstPicture, 0);
+ }
+ return pPixmap;
+}
+
+Bool
+compAllocPixmap (WindowPtr pWin)
+{
+ int bw = (int) pWin->borderWidth;
+ int x = pWin->drawable.x - bw;
+ int y = pWin->drawable.y - bw;
+ int w = pWin->drawable.width + (bw << 1);
+ int h = pWin->drawable.height + (bw << 1);
+ PixmapPtr pPixmap = compNewPixmap (pWin, x, y, w, h);
+ CompWindowPtr cw = GetCompWindow (pWin);
+
+ if (!pPixmap)
+ return FALSE;
+ if (cw->update == CompositeRedirectAutomatic)
+ pWin->redirectDraw = RedirectDrawAutomatic;
+ else
+ pWin->redirectDraw = RedirectDrawManual;
+
+ compSetPixmap (pWin, pPixmap);
+ cw->oldx = COMP_ORIGIN_INVALID;
+ cw->oldy = COMP_ORIGIN_INVALID;
+ cw->damageRegistered = FALSE;
+ if (cw->update == CompositeRedirectAutomatic)
+ {
+ DamageRegister (&pWin->drawable, cw->damage);
+ cw->damageRegistered = TRUE;
+ }
+
+ /* Make sure our borderClip is up to date */
+ RegionUninit(&cw->borderClip);
+ RegionCopy(&cw->borderClip, &pWin->borderClip);
+ cw->borderClipX = pWin->drawable.x;
+ cw->borderClipY = pWin->drawable.y;
+
+ return TRUE;
+}
+
+void
+compSetParentPixmap (WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ PixmapPtr pParentPixmap;
+ CompWindowPtr cw = GetCompWindow (pWin);
+
+ if (cw->damageRegistered)
+ {
+ DamageUnregister (&pWin->drawable, cw->damage);
+ cw->damageRegistered = FALSE;
+ DamageEmpty (cw->damage);
+ }
+ /*
+ * Move the parent-constrained border clip region back into
+ * the window so that ValidateTree will handle the unmap
+ * case correctly. Unmap adds the window borderClip to the
+ * parent exposed area; regions beyond the parent cause crashes
+ */
+ RegionCopy(&pWin->borderClip, &cw->borderClip);
+ pParentPixmap = (*pScreen->GetWindowPixmap) (pWin->parent);
+ pWin->redirectDraw = RedirectDrawNone;
+ compSetPixmap (pWin, pParentPixmap);
+}
+
+/*
+ * Make sure the pixmap is the right size and offset. Allocate a new
+ * pixmap to change size, adjust origin to change offset, leaving the
+ * old pixmap in cw->pOldPixmap so bits can be recovered
+ */
+Bool
+compReallocPixmap (WindowPtr pWin, int draw_x, int draw_y,
+ unsigned int w, unsigned int h, int bw)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ PixmapPtr pOld = (*pScreen->GetWindowPixmap) (pWin);
+ PixmapPtr pNew;
+ CompWindowPtr cw = GetCompWindow (pWin);
+ int pix_x, pix_y;
+ int pix_w, pix_h;
+
+ assert (cw && pWin->redirectDraw != RedirectDrawNone);
+ cw->oldx = pOld->screen_x;
+ cw->oldy = pOld->screen_y;
+ pix_x = draw_x - bw;
+ pix_y = draw_y - bw;
+ pix_w = w + (bw << 1);
+ pix_h = h + (bw << 1);
+ if (pix_w != pOld->drawable.width || pix_h != pOld->drawable.height)
+ {
+ pNew = compNewPixmap (pWin, pix_x, pix_y, pix_w, pix_h);
+ if (!pNew)
+ return FALSE;
+ cw->pOldPixmap = pOld;
+ compSetPixmap (pWin, pNew);
+ }
+ else
+ {
+ pNew = pOld;
+ cw->pOldPixmap = 0;
+ }
+ pNew->screen_x = pix_x;
+ pNew->screen_y = pix_y;
+ return TRUE;
+}
diff --git a/nx-X11/programs/Xserver/composite/compext.c b/nx-X11/programs/Xserver/composite/compext.c
new file mode 100644
index 000000000..8513c6d73
--- /dev/null
+++ b/nx-X11/programs/Xserver/composite/compext.c
@@ -0,0 +1,1063 @@
+/*
+ * $Id: compext.c,v 1.5 2005/07/03 07:37:34 daniels Exp $
+ *
+ * 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 "XI.h"
+#include "XIproto.h"
+#include "protocol-versions.h"
+#include "extinit.h"
+
+static CARD8 CompositeReqCode;
+
+#ifndef NXAGENT_SERVER
+static DevPrivateKeyRec CompositeClientPrivateKeyRec;
+
+#define CompositeClientPrivateKey (&CompositeClientPrivateKeyRec)
+#else /* !defined(NXAGENT_SERVER) */
+static int CompositeClientPrivIndex = -1;
+#endif /* !defined(NXAGENT_SERVER) */
+
+RESTYPE CompositeClientWindowType;
+RESTYPE CompositeClientSubwindowsType;
+RESTYPE CompositeClientOverlayType;
+
+typedef struct _CompositeClient {
+ int major_version;
+ int minor_version;
+} CompositeClientRec, *CompositeClientPtr;
+
+#ifndef NXAGENT_SERVER
+#define GetCompositeClient(pClient) ((CompositeClientPtr) \
+ dixLookupPrivate(&(pClient)->devPrivates, CompositeClientPrivateKey))
+#else /* !defined(NXAGENT_SERVER) */
+#define GetCompositeClient(pClient) ((CompositeClientPtr) \
+ (pClient)->devPrivates[CompositeClientPrivIndex].ptr)
+#endif /* !edefined(NXAGENT_SERVER) */
+
+static void
+CompositeClientCallback (CallbackListPtr *list,
+ void *closure,
+ void *data)
+{
+ NewClientInfoRec *clientinfo = (NewClientInfoRec *) data;
+ ClientPtr pClient = clientinfo->client;
+ CompositeClientPtr pCompositeClient = GetCompositeClient (pClient);
+
+ pCompositeClient->major_version = 0;
+ pCompositeClient->minor_version = 0;
+}
+
+static void
+CompositeResetProc (ExtensionEntry *extEntry)
+{
+}
+
+static int
+FreeCompositeClientWindow(void *value, XID ccwid)
+{
+ WindowPtr pWin = value;
+
+ compFreeClientWindow(pWin, ccwid);
+ return Success;
+}
+
+static int
+FreeCompositeClientSubwindows(void *value, XID ccwid)
+{
+ WindowPtr pWin = value;
+
+ compFreeClientSubwindows(pWin, ccwid);
+ return Success;
+}
+
+static int
+FreeCompositeClientOverlay(void *value, XID ccwid)
+{
+ CompOverlayClientPtr pOc = (CompOverlayClientPtr) value;
+
+ compFreeOverlayClient(pOc);
+ return Success;
+}
+
+static int
+ProcCompositeQueryVersion (ClientPtr client)
+{
+ CompositeClientPtr pCompositeClient = GetCompositeClient (client);
+ xCompositeQueryVersionReply rep = {
+ .type = X_Reply,
+ .sequenceNumber = client->sequence,
+ .length = 0
+ };
+
+ REQUEST(xCompositeQueryVersionReq);
+
+ REQUEST_SIZE_MATCH(xCompositeQueryVersionReq);
+ 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);
+ swapl(&rep.length);
+ swapl(&rep.majorVersion);
+ swapl(&rep.minorVersion);
+ }
+ WriteToClient(client, sizeof(xCompositeQueryVersionReply), &rep);
+ return Success;
+}
+
+/* Unsupported by current architecture and porting is too much effort. */
+#if 0
+#define VERIFY_WINDOW(pWindow, wid, client, mode) \
+ do { \
+ int err; \
+ err = dixLookupResourceByType((void **) &pWindow, wid, \
+ RT_WINDOW, client, mode); \
+ if (err != Success) { \
+ client->errorValue = wid; \
+ return err; \
+ } \
+ } while (0)
+#endif /* 0 */
+
+static int
+ProcCompositeRedirectWindow (ClientPtr client)
+{
+ WindowPtr pWin;
+ REQUEST(xCompositeRedirectWindowReq);
+
+ REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq);
+ /* Unsupported by current architecture and porting is too much effort. */
+ /*
+ VERIFY_WINDOW(pWin, stuff->window, client,
+ DixSetAttrAccess | DixManageAccess | DixBlendAccess);
+ */
+ pWin = (WindowPtr) LookupIDByType (stuff->window, RT_WINDOW);
+ if (!pWin)
+ {
+ client->errorValue = stuff->window;
+ return BadWindow;
+ }
+
+ return compRedirectWindow (client, pWin, stuff->update);
+}
+
+static int
+ProcCompositeRedirectSubwindows (ClientPtr client)
+{
+ WindowPtr pWin;
+ REQUEST(xCompositeRedirectSubwindowsReq);
+
+ REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq);
+ /* Unsupported by current architecture and porting is too much effort. */
+ /*
+ VERIFY_WINDOW(pWin, stuff->window, client,
+ DixSetAttrAccess | DixManageAccess | DixBlendAccess);
+ */
+ pWin = (WindowPtr) LookupIDByType (stuff->window, RT_WINDOW);
+ if (!pWin)
+ {
+ client->errorValue = stuff->window;
+ return BadWindow;
+ }
+
+ return compRedirectSubwindows (client, pWin, stuff->update);
+}
+
+static int
+ProcCompositeUnredirectWindow (ClientPtr client)
+{
+ WindowPtr pWin;
+ REQUEST(xCompositeUnredirectWindowReq);
+
+ REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq);
+ /* Unsupported by current architecture and porting is too much effort. */
+ /*
+ VERIFY_WINDOW(pWin, stuff->window, client,
+ DixSetAttrAccess | DixManageAccess | DixBlendAccess);
+ */
+ pWin = (WindowPtr) LookupIDByType (stuff->window, RT_WINDOW);
+ if (!pWin)
+ {
+ client->errorValue = stuff->window;
+ return BadWindow;
+ }
+
+ return compUnredirectWindow (client, pWin, stuff->update);
+}
+
+static int
+ProcCompositeUnredirectSubwindows (ClientPtr client)
+{
+ WindowPtr pWin;
+ REQUEST(xCompositeUnredirectSubwindowsReq);
+
+ REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq);
+ /* Unsupported by current architecture and porting is too much effort. */
+ /*
+ VERIFY_WINDOW(pWin, stuff->window, client,
+ DixSetAttrAccess | DixManageAccess | DixBlendAccess);
+ */
+ pWin = (WindowPtr) LookupIDByType (stuff->window, RT_WINDOW);
+ if (!pWin)
+ {
+ client->errorValue = stuff->window;
+ return BadWindow;
+ }
+
+ return compUnredirectSubwindows (client, pWin, stuff->update);
+}
+
+static int
+ProcCompositeCreateRegionFromBorderClip (ClientPtr client)
+{
+ WindowPtr pWin;
+ CompWindowPtr cw;
+ RegionPtr pBorderClip, pRegion;
+ REQUEST(xCompositeCreateRegionFromBorderClipReq);
+
+ REQUEST_SIZE_MATCH(xCompositeCreateRegionFromBorderClipReq);
+ /* Unsupported by current architecture and porting is too much effort. */
+ /*
+ VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess);
+ */
+ pWin = (WindowPtr) LookupIDByType (stuff->window, RT_WINDOW);
+ if (!pWin)
+ {
+ client->errorValue = stuff->window;
+ return BadWindow;
+ }
+ 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, (void *) pRegion))
+ return BadAlloc;
+
+ return Success;
+}
+
+static int
+ProcCompositeNameWindowPixmap (ClientPtr client)
+{
+ WindowPtr pWin;
+ CompWindowPtr cw;
+ PixmapPtr pPixmap;
+ ScreenPtr pScreen;
+ int rc;
+
+ REQUEST(xCompositeNameWindowPixmapReq);
+
+ REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq);
+ /* Unsupported by current architecture and porting is too much effort. */
+ /*
+ VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess);
+ */
+ pWin = (WindowPtr) LookupIDByType (stuff->window, RT_WINDOW);
+ if (!pWin)
+ {
+ client->errorValue = stuff->window;
+ return BadWindow;
+ }
+
+ pScreen = pWin->drawable.pScreen;
+
+ if (!pWin->viewable)
+ return BadMatch;
+
+ LEGAL_NEW_RESOURCE (stuff->pixmap, client);
+
+ cw = GetCompWindow (pWin);
+ if (!cw)
+ return BadMatch;
+
+ pPixmap = (*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);
+ */
+ rc = Success;
+ if (rc != Success)
+ return rc;
+
+ ++pPixmap->refcnt;
+
+ if (!AddResource (stuff->pixmap, RT_PIXMAP, (void *) pPixmap))
+ return BadAlloc;
+
+ /* Unsupported by current architecture. */
+ /*
+ if (pScreen->NameWindowPixmap) {
+ rc = pScreen->NameWindowPixmap(pWin, pPixmap, stuff->pixmap);
+ if (rc != Success) {
+ FreeResource(stuff->pixmap, RT_NONE);
+ return rc;
+ }
+ }
+ */
+
+ 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);
+ /* Unsupported by current architecture and porting is too much effort. */
+ /*
+ VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess);
+ */
+ pWin = (WindowPtr) LookupIDByType (stuff->window, RT_WINDOW);
+ if (!pWin)
+ {
+ client->errorValue = stuff->window;
+ return BadWindow;
+ }
+ 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);
+ */
+ rc = Success;
+ if (rc != Success) {
+ FreeResource(pOc->resource, RT_NONE);
+ return rc;
+ }
+
+ rep = (xCompositeGetOverlayWindowReply) {
+ .type = X_Reply,
+ .sequenceNumber = client->sequence,
+ .length = 0,
+ .overlayWin = cs->pOverlayWin->drawable.id
+ };
+
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.overlayWin);
+ }
+ WriteToClient(client, sz_xCompositeGetOverlayWindowReply, &rep);
+
+ return Success;
+}
+
+static int
+ProcCompositeReleaseOverlayWindow(ClientPtr client)
+{
+ REQUEST(xCompositeReleaseOverlayWindowReq);
+ WindowPtr pWin;
+ CompOverlayClientPtr pOc;
+
+ REQUEST_SIZE_MATCH(xCompositeReleaseOverlayWindowReq);
+ /* Unsupported by current architecture and porting is too much effort. */
+ /*
+ VERIFY_WINDOW(pWin, stuff->window, client, DixGetAttrAccess);
+ */
+ pWin = (WindowPtr) LookupIDByType (stuff->window, RT_WINDOW);
+ if (!pWin)
+ {
+ client->errorValue = stuff->window;
+ return BadWindow;
+ }
+
+ /*
+ * 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)
+{
+ REQUEST(xCompositeQueryVersionReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xCompositeQueryVersionReq);
+ swapl(&stuff->majorVersion);
+ swapl(&stuff->minorVersion);
+ return (*ProcCompositeVector[stuff->compositeReqType]) (client);
+}
+
+static int
+SProcCompositeRedirectWindow (ClientPtr client)
+{
+ REQUEST(xCompositeRedirectWindowReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq);
+ swapl (&stuff->window);
+ return (*ProcCompositeVector[stuff->compositeReqType]) (client);
+}
+
+static int
+SProcCompositeRedirectSubwindows (ClientPtr client)
+{
+ REQUEST(xCompositeRedirectSubwindowsReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq);
+ swapl (&stuff->window);
+ return (*ProcCompositeVector[stuff->compositeReqType]) (client);
+}
+
+static int
+SProcCompositeUnredirectWindow (ClientPtr client)
+{
+ REQUEST(xCompositeUnredirectWindowReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq);
+ swapl (&stuff->window);
+ return (*ProcCompositeVector[stuff->compositeReqType]) (client);
+}
+
+static int
+SProcCompositeUnredirectSubwindows (ClientPtr client)
+{
+ REQUEST(xCompositeUnredirectSubwindowsReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq);
+ swapl (&stuff->window);
+ return (*ProcCompositeVector[stuff->compositeReqType]) (client);
+}
+
+static int
+SProcCompositeCreateRegionFromBorderClip (ClientPtr client)
+{
+ REQUEST(xCompositeCreateRegionFromBorderClipReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xCompositeCreateRegionFromBorderClipReq);
+ swapl (&stuff->region);
+ swapl (&stuff->window);
+ return (*ProcCompositeVector[stuff->compositeReqType]) (client);
+}
+
+static int
+SProcCompositeNameWindowPixmap (ClientPtr client)
+{
+ REQUEST(xCompositeNameWindowPixmapReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq);
+ swapl (&stuff->window);
+ swapl (&stuff->pixmap);
+ return (*ProcCompositeVector[stuff->compositeReqType]) (client);
+}
+
+static int
+SProcCompositeGetOverlayWindow(ClientPtr client)
+{
+ REQUEST(xCompositeGetOverlayWindowReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xCompositeGetOverlayWindowReq);
+ swapl(&stuff->window);
+ return (*ProcCompositeVector[stuff->compositeReqType]) (client);
+}
+
+static int
+SProcCompositeReleaseOverlayWindow(ClientPtr client)
+{
+ REQUEST(xCompositeReleaseOverlayWindowReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xCompositeReleaseOverlayWindowReq);
+ swapl(&stuff->window);
+ 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;
+}
+
+/* Both unused and incompatible due to architecture, disabled. */
+#if 0
+/** @see GetDefaultBytes */
+static void
+GetCompositeClientWindowBytes(void *value, XID id, ResourceSizePtr size)
+{
+ WindowPtr window = value;
+
+ /* Currently only pixmap bytes are reported to clients. */
+ size->resourceSize = 0;
+
+ /* Calculate pixmap reference sizes. */
+ size->pixmapRefSize = 0;
+ if (window->redirectDraw != RedirectDrawNone)
+ {
+ SizeType pixmapSizeFunc = GetResourceTypeSizeFunc(RT_PIXMAP);
+ ResourceSizeRec pixmapSize = { 0, 0 };
+ ScreenPtr screen = window->drawable.pScreen;
+ PixmapPtr pixmap = screen->GetWindowPixmap(window);
+ pixmapSizeFunc(pixmap, pixmap->drawable.id, &pixmapSize);
+ size->pixmapRefSize += pixmapSize.pixmapRefSize;
+ }
+}
+#endif /* 0 */
+
+void
+CompositeExtensionInit (void)
+{
+ ExtensionEntry *extEntry;
+ int s;
+
+ /* Assume initialization is going to fail */
+ noCompositeExtension = TRUE;
+
+ fprintf(stderr, "COMPOSITE: trying to initialize extension.\n");
+
+ 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;
+ }
+#ifdef PANORAMIX
+ /* Xinerama's rewriting of window drawing before Composite gets to it
+ * breaks Composite.
+ */
+ if (!noPanoramiXExtension)
+ return;
+#endif
+
+ CompositeClientWindowType = CreateNewResourceType (FreeCompositeClientWindow);
+ if (!CompositeClientWindowType)
+ return;
+
+ /* SetResourceTypeSizeFunc(CompositeClientWindowType,
+ GetCompositeClientWindowBytes);
+ */
+
+ CompositeClientSubwindowsType = CreateNewResourceType (FreeCompositeClientSubwindows);
+ if (!CompositeClientSubwindowsType)
+ return;
+
+ CompositeClientOverlayType = CreateNewResourceType
+ (FreeCompositeClientOverlay);
+ if (!CompositeClientOverlayType)
+ return;
+
+#ifndef NXAGENT_SERVER
+ if (!dixRegisterPrivateKey(&CompositeClientPrivateKeyRec, PRIVATE_CLIENT,
+ sizeof (CompositeClientRec)))
+ return;
+#else /* !defined(NXAGENT_SERVER) */
+ if ((CompositeClientPrivIndex = AllocateClientPrivateIndex()) < 0)
+ return;
+ if (!AllocateClientPrivate(CompositeClientPrivIndex, sizeof (CompositeClientRec)))
+ return;
+#endif /* !defined(NXAGENT_SERVER) */
+
+ if (!AddCallback (&ClientStateCallback, CompositeClientCallback, 0))
+ return;
+
+ for (s = 0; s < screenInfo.numScreens; s++)
+ if (!compScreenInit (screenInfo.screens[s])) {
+ fprintf (stderr, "COMPOSITE: could not initialize via compScreenInit() for screen %d\n", s);
+ return;
+ }
+
+ extEntry = AddExtension (COMPOSITE_NAME, 0, 0,
+ ProcCompositeDispatch, SProcCompositeDispatch,
+ CompositeResetProc, StandardMinorOpcode);
+ if (!extEntry)
+ return;
+ CompositeReqCode = (CARD8) extEntry->base;
+
+ /* Initialization succeeded */
+ noCompositeExtension = FALSE;
+}
+
+/*
+ * This code requires features the current infrastructure does not provide
+ * and will thus be disabled.
+ */
+#if 0
+
+#ifdef PANORAMIX
+#include "panoramiXsrv.h"
+
+int (*PanoramiXSaveCompositeVector[CompositeNumberRequests]) (ClientPtr);
+
+static int
+PanoramiXCompositeRedirectWindow(ClientPtr client)
+{
+ PanoramiXRes *win;
+ int rc = 0, j;
+
+ REQUEST(xCompositeRedirectWindowReq);
+
+ REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq);
+
+ if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW,
+ client, DixUnknownAccess))) {
+ client->errorValue = stuff->window;
+ return rc;
+ }
+
+ FOR_NSCREENS_FORWARD(j) {
+ stuff->window = win->info[j].id;
+ rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client);
+ if (rc != Success)
+ break;
+ }
+
+ return rc;
+}
+
+static int
+PanoramiXCompositeRedirectSubwindows(ClientPtr client)
+{
+ PanoramiXRes *win;
+ int rc = 0, j;
+
+ REQUEST(xCompositeRedirectSubwindowsReq);
+
+ REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq);
+
+ if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW,
+ client, DixUnknownAccess))) {
+ client->errorValue = stuff->window;
+ return rc;
+ }
+
+ FOR_NSCREENS_FORWARD(j) {
+ stuff->window = win->info[j].id;
+ rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client);
+ if (rc != Success)
+ break;
+ }
+
+ return rc;
+}
+
+static int
+PanoramiXCompositeUnredirectWindow(ClientPtr client)
+{
+ PanoramiXRes *win;
+ int rc = 0, j;
+
+ REQUEST(xCompositeUnredirectWindowReq);
+
+ REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq);
+
+ if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW,
+ client, DixUnknownAccess))) {
+ client->errorValue = stuff->window;
+ return rc;
+ }
+
+ FOR_NSCREENS_FORWARD(j) {
+ stuff->window = win->info[j].id;
+ rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client);
+ if (rc != Success)
+ break;
+ }
+
+ return rc;
+}
+
+static int
+PanoramiXCompositeUnredirectSubwindows(ClientPtr client)
+{
+ PanoramiXRes *win;
+ int rc = 0, j;
+
+ REQUEST(xCompositeUnredirectSubwindowsReq);
+
+ REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq);
+
+ if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW,
+ client, DixUnknownAccess))) {
+ client->errorValue = stuff->window;
+ return rc;
+ }
+
+ FOR_NSCREENS_FORWARD(j) {
+ stuff->window = win->info[j].id;
+ rc = (*PanoramiXSaveCompositeVector[stuff->compositeReqType]) (client);
+ if (rc != Success)
+ break;
+ }
+
+ return rc;
+}
+
+static int
+PanoramiXCompositeNameWindowPixmap(ClientPtr client)
+{
+ WindowPtr pWin;
+ CompWindowPtr cw;
+ PixmapPtr pPixmap;
+ int rc;
+ PanoramiXRes *win, *newPix;
+ int i;
+
+ REQUEST(xCompositeNameWindowPixmapReq);
+
+ REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq);
+
+ if ((rc = dixLookupResourceByType((void **) &win, stuff->window, XRT_WINDOW,
+ client, DixUnknownAccess))) {
+ client->errorValue = stuff->window;
+ return rc;
+ }
+
+ LEGAL_NEW_RESOURCE(stuff->pixmap, client);
+
+ if (!(newPix = malloc(sizeof(PanoramiXRes))))
+ return BadAlloc;
+
+ newPix->type = XRT_PIXMAP;
+ newPix->u.pix.shared = FALSE;
+ panoramix_setup_ids(newPix, client, stuff->pixmap);
+
+ FOR_NSCREENS(i) {
+ rc = dixLookupResourceByType((void **) &pWin, win->info[i].id,
+ RT_WINDOW, client, DixGetAttrAccess);
+ if (rc != Success) {
+ client->errorValue = stuff->window;
+ free(newPix);
+ return rc;
+ }
+
+ if (!pWin->viewable) {
+ free(newPix);
+ return BadMatch;
+ }
+
+ cw = GetCompWindow(pWin);
+ if (!cw) {
+ free(newPix);
+ return BadMatch;
+ }
+
+ pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin);
+ if (!pPixmap) {
+ free(newPix);
+ return BadMatch;
+ }
+
+ if (!AddResource(newPix->info[i].id, RT_PIXMAP, (void *) pPixmap))
+ return BadAlloc;
+
+ ++pPixmap->refcnt;
+ }
+
+ if (!AddResource(stuff->pixmap, XRT_PIXMAP, (void *) 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((void **) &pWin, win->info[i].id,
+ RT_WINDOW, client, DixGetAttrAccess);
+ if (rc != Success) {
+ client->errorValue = stuff->window;
+ free(overlayWin);
+ 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) {
+ free(overlayWin);
+ return BadAlloc;
+ }
+
+ /*
+ * Make sure the overlay window exists
+ */
+ cs = GetCompScreen(pScreen);
+ if (cs->pOverlayWin == NULL)
+ if (!compCreateOverlayWindow(pScreen)) {
+ FreeResource(pOc->resource, RT_NONE);
+ free(overlayWin);
+ return BadAlloc;
+ }
+
+ /*
+ rc = XaceHook(XACE_RESOURCE_ACCESS, client,
+ cs->pOverlayWin->drawable.id,
+ RT_WINDOW, cs->pOverlayWin, RT_NONE, NULL,
+ DixGetAttrAccess);
+ */
+ rc = Success;
+ if (rc != Success) {
+ FreeResource(pOc->resource, RT_NONE);
+ free(overlayWin);
+ 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 = (xCompositeGetOverlayWindowReply) {
+ .type = X_Reply,
+ .sequenceNumber = client->sequence,
+ .length = 0,
+ .overlayWin = cs->pOverlayWin->drawable.id
+ };
+
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.overlayWin);
+ }
+ WriteToClient(client, sz_xCompositeGetOverlayWindowReply, &rep);
+
+ return Success;
+}
+
+static int
+PanoramiXCompositeReleaseOverlayWindow(ClientPtr client)
+{
+ REQUEST(xCompositeReleaseOverlayWindowReq);
+ WindowPtr pWin;
+ 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;
+ }
+
+ /*
+ * 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
+
+#endif /* 0 */
diff --git a/nx-X11/programs/Xserver/composite/compinit.c b/nx-X11/programs/Xserver/composite/compinit.c
new file mode 100644
index 000000000..ff2137887
--- /dev/null
+++ b/nx-X11/programs/Xserver/composite/compinit.c
@@ -0,0 +1,492 @@
+/*
+ * $Id: compinit.c,v 1.9 2005/07/03 07:37:34 daniels Exp $
+ *
+ * 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"
+
+#ifndef NXAGENT_SERVER
+DevPrivateKeyRec CompScreenPrivateKeyRec;
+DevPrivateKeyRec CompWindowPrivateKeyRec;
+DevPrivateKeyRec CompSubwindowsPrivateKeyRec;
+#else /* !defined(NXAGENT_SERVER) */
+int CompScreenPrivIndex = -1;
+int CompWindowPrivIndex = -1;
+int CompSubwindowsPrivIndex = -1;
+#endif
+
+static Bool
+compCloseScreen (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;
+
+ /*
+ * Unsupported by our old Xserver infrastructure, replaced with direct calls to
+ * compReallocPixmap().
+ */
+ /*
+ 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->GetSpans = cs->GetSpans;
+ pScreen->SourceValidate = cs->SourceValidate;
+
+ free (cs);
+ FAKE_DIX_SET_SCREEN_PRIVATE(pScreen, NULL);
+ ret = (*pScreen->CloseScreen) (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;
+}
+
+/* Unsupported by current architecture, drop for now. */
+#if 0
+static void
+compCheckBackingStore(WindowPtr pWin)
+{
+ if (pWin->backingStore != NotUseful && !pWin->backStorage) {
+ compRedirectWindow(serverClient, pWin, CompositeRedirectAutomatic);
+ pWin->backStorage = TRUE;
+ }
+ else if (pWin->backingStore == NotUseful && pWin->backStorage) {
+ compUnredirectWindow(serverClient, pWin,
+ CompositeRedirectAutomatic);
+ pWin->backStorage = FALSE;
+ }
+}
+
+/* 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)
+ compCheckBackingStore(pWin);
+
+ pScreen->ChangeWindowAttributes = compChangeWindowAttributes;
+
+ return ret;
+}
+#endif /* 0 */
+
+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(pScreen, (WindowPtr) pDrawable);
+ (*pScreen->GetImage) (pDrawable, sx, sy, w, h, format, planemask, pdstLine);
+ cs->GetImage = pScreen->GetImage;
+ pScreen->GetImage = compGetImage;
+}
+
+static void
+compGetSpans(DrawablePtr pDrawable, int wMax, DDXPointPtr ppt, int *pwidth,
+ int nspans, char *pdstStart)
+{
+ ScreenPtr pScreen = pDrawable->pScreen;
+ CompScreenPtr cs = GetCompScreen(pScreen);
+
+ pScreen->GetSpans = cs->GetSpans;
+ if (pDrawable->type == DRAWABLE_WINDOW)
+ compPaintChildrenToWindow(pScreen, (WindowPtr) pDrawable);
+ (*pScreen->GetSpans) (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
+ cs->GetSpans = pScreen->GetSpans;
+ pScreen->GetSpans = compGetSpans;
+}
+
+static void
+compSourceValidate(DrawablePtr pDrawable,
+ int x, int y,
+ int width, int height /* , unsigned int subWindowMode */ /* unsupported */)
+{
+ ScreenPtr pScreen = pDrawable->pScreen;
+ CompScreenPtr cs = GetCompScreen(pScreen);
+
+ pScreen->SourceValidate = cs->SourceValidate;
+ if (pDrawable->type == DRAWABLE_WINDOW /* && subWindowMode == IncludeInferiors */ /* unsupported */)
+ compPaintChildrenToWindow(pScreen, (WindowPtr) pDrawable);
+ if (pScreen->SourceValidate)
+ (*pScreen->SourceValidate) (pDrawable, x, y, width, height /*,
+ subWindowMode */ /* unsupported */);
+ 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 = reallocarray(cs->alternateVisuals,
+ cs->numAlternateVisuals + nVisuals, sizeof(VisualID));
+ 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);
+}
+
+Bool
+CompositeRegisterImplicitRedirectionException(ScreenPtr pScreen,
+ VisualID parentVisual,
+ VisualID winVisual)
+{
+ CompScreenPtr cs = GetCompScreen(pScreen);
+ CompImplicitRedirectException *p;
+
+ p = reallocarray(cs->implicitRedirectExceptions,
+ cs->numImplicitRedirectExceptions + 1, sizeof(p[0]));
+ if (p == NULL)
+ return FALSE;
+
+ p[cs->numImplicitRedirectExceptions].parentVisual = parentVisual;
+ p[cs->numImplicitRedirectExceptions].winVisual = winVisual;
+
+ cs->implicitRedirectExceptions = p;
+ cs->numImplicitRedirectExceptions++;
+
+ return TRUE;
+}
+
+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;
+
+#ifndef NXAGENT_SERVER
+ if (!dixRegisterPrivateKey(&CompScreenPrivateKeyRec, PRIVATE_SCREEN, 0))
+ return FALSE;
+ if (!dixRegisterPrivateKey(&CompWindowPrivateKeyRec, PRIVATE_WINDOW, 0))
+ return FALSE;
+ if (!dixRegisterPrivateKey(&CompSubwindowsPrivateKeyRec, PRIVATE_WINDOW, 0))
+ return FALSE;
+#else /* !defined(NXAGENT_SERVER) */
+ if ((CompScreenPrivIndex = AllocateScreenPrivateIndex()) < 0)
+ return FALSE;
+ if ((CompWindowPrivIndex = AllocateWindowPrivateIndex()) < 0)
+ return FALSE;
+ if ((CompSubwindowsPrivIndex = AllocateWindowPrivateIndex()) < 0)
+ return FALSE;
+
+ if (!AllocateWindowPrivate (pScreen, CompWindowPrivIndex, 0))
+ return FALSE;
+
+ if (!AllocateWindowPrivate (pScreen, CompSubwindowsPrivIndex, 0))
+ return FALSE;
+#endif
+
+ if (GetCompScreen (pScreen))
+ return TRUE;
+ cs = (CompScreenPtr) malloc (sizeof (CompScreenRec));
+ if (!cs)
+ return FALSE;
+
+ cs->damaged = FALSE;
+
+ cs->overlayWid = FakeClientID(0);
+ cs->pOverlayWin = NULL;
+ cs->pOverlayClients = NULL;
+
+ cs->numAlternateVisuals = 0;
+ cs->alternateVisuals = NULL;
+ cs->numImplicitRedirectExceptions = 0;
+ cs->implicitRedirectExceptions = NULL;
+
+ if (!compAddAlternateVisuals (pScreen, cs))
+ {
+ free (cs);
+ return FALSE;
+ }
+
+ if (!disableBackingStore)
+ pScreen->backingStoreSupport = WhenMapped;
+
+ 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;
+
+ /*
+ * Unsupported by our old Xserver infrastructure, replaced with direct calls to
+ * compReallocPixmap().
+ */
+ /*
+ 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;
+
+ /* Unsupported by our current architecture, drop for now. */
+ /*
+ 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->GetSpans = pScreen->GetSpans;
+ pScreen->GetSpans = compGetSpans;
+
+ cs->SourceValidate = pScreen->SourceValidate;
+ pScreen->SourceValidate = compSourceValidate;
+
+ FAKE_DIX_SET_SCREEN_PRIVATE(pScreen, cs);
+
+ RegisterRealChildHeadProc(CompositeRealChildHead);
+
+ return TRUE;
+}
diff --git a/nx-X11/programs/Xserver/composite/compint.h b/nx-X11/programs/Xserver/composite/compint.h
new file mode 100644
index 000000000..62d5fd868
--- /dev/null
+++ b/nx-X11/programs/Xserver/composite/compint.h
@@ -0,0 +1,360 @@
+/*
+ * $Id: compint.h,v 1.8 2005/07/03 08:53:37 daniels Exp $
+ *
+ * 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 "mi.h"
+#include "damage.h"
+#include "damageextint.h"
+#include "xfixes.h"
+#include <nx-X11/extensions/compositeproto.h>
+#include "compositeext.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 _CompImplicitRedirectException {
+ XID parentVisual;
+ XID winVisual;
+} CompImplicitRedirectException;
+
+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
+ */
+
+ /*
+ * Unsupported by our old Xserver infrastructure, replaced with direct calls to
+ * compReallocPixmap().
+ */
+ /*
+ 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;
+ Bool damaged;
+ int numAlternateVisuals;
+ VisualID *alternateVisuals;
+ int numImplicitRedirectExceptions;
+ CompImplicitRedirectException *implicitRedirectExceptions;
+
+ WindowPtr pOverlayWin;
+ Window overlayWid;
+ CompOverlayClientPtr pOverlayClients;
+
+ GetImageProcPtr GetImage;
+ GetSpansProcPtr GetSpans;
+ SourceValidateProcPtr SourceValidate;
+} CompScreenRec, *CompScreenPtr;
+
+#ifndef NXAGENT_SERVER
+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))
+#else /* !defined(NXAGENT_SERVER) */
+extern int CompScreenPrivIndex;
+extern int CompWindowPrivIndex;
+extern int CompSubwindowsPrivIndex;
+
+#define GetCompScreen(s) ((CompScreenPtr) (s)->devPrivates[CompScreenPrivIndex].ptr)
+#define GetCompWindow(w) ((CompWindowPtr) (w)->devPrivates[CompWindowPrivIndex].ptr)
+#define GetCompSubwindows(w) ((CompSubwindowsPtr) (w)->devPrivates[CompSubwindowsPrivIndex].ptr)
+#endif /* !defined(NXAGENT_SERVER) */
+
+extern RESTYPE CompositeClientSubwindowsType;
+extern RESTYPE CompositeClientOverlayType;
+
+/* Shim for less ifdefs within the actual code. */
+#ifndef NXAGENT_SERVER
+#define FAKE_DIX_SET_PRIVATE_IMPL(obj, privateKey, ptr_val) do { dixSetPrivate(&(obj)->devPrivates, privateKey, ptr_val); } while (0)
+
+#define FAKE_DIX_SET_SCREEN_PRIVATE(pScreen, ptr_val) FAKE_DIX_SET_PRIVATE_IMPL(pScreen, CompScreenPrivateKey, ptr_val)
+#define FAKE_DIX_SET_WINDOW_PRIVATE(pWin, ptr_val) FAKE_DIX_SET_PRIVATE_IMPL(pWin, CompWindowPrivateKey, ptr_val)
+#define FAKE_DIX_SET_SUBWINDOWS_PRIVATE(pWin, ptr_val) FAKE_DIX_SET_PRIVATE_IMPL(pWin, CompSubwindowsPrivateKey, ptr_val)
+#else /* !defined(NXAGENT_SERVER) */
+#define FAKE_DIX_SET_PRIVATE_IMPL(obj, privIndex, ptr_val) do { (obj)->devPrivates[privIndex].ptr = (void *) (ptr_val); } while (0)
+
+#define FAKE_DIX_SET_SCREEN_PRIVATE(pScreen, ptr_val) FAKE_DIX_SET_PRIVATE_IMPL(pScreen, CompScreenPrivIndex, ptr_val)
+#define FAKE_DIX_SET_WINDOW_PRIVATE(pWin, ptr_val) FAKE_DIX_SET_PRIVATE_IMPL(pWin, CompWindowPrivIndex, ptr_val)
+#define FAKE_DIX_SET_SUBWINDOWS_PRIVATE(pWin, ptr_val) FAKE_DIX_SET_PRIVATE_IMPL(pWin, CompSubwindowsPrivIndex, ptr_val)
+#endif /* !defined(NXAGENT_SERVER) */
+
+/*
+ * compalloc.c
+ */
+
+Bool
+compRedirectWindow (ClientPtr pClient, WindowPtr pWin, int update);
+
+void
+compFreeClientWindow (WindowPtr pWin, XID id);
+
+int
+compUnredirectWindow (ClientPtr pClient, WindowPtr pWin, int update);
+
+int
+compRedirectSubwindows (ClientPtr pClient, WindowPtr pWin, int update);
+
+void
+compFreeClientSubwindows (WindowPtr pWin, XID id);
+
+int
+compUnredirectSubwindows (ClientPtr pClient, WindowPtr pWin, int update);
+
+int
+compRedirectOneSubwindow (WindowPtr pParent, WindowPtr pWin);
+
+int
+compUnredirectOneSubwindow (WindowPtr pParent, WindowPtr pWin);
+
+Bool
+compAllocPixmap (WindowPtr pWin);
+
+void
+ compSetParentPixmap(WindowPtr pWin);
+
+void
+ compRestoreWindow(WindowPtr pWin, PixmapPtr pPixmap);
+
+Bool
+compReallocPixmap (WindowPtr pWin, int x, int y,
+ unsigned int w, unsigned int h, int bw);
+
+/*
+ * 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(ScreenPtr pScreen, WindowPtr pWin);
+
+WindowPtr
+ CompositeRealChildHead(WindowPtr pWin);
+
+int
+ DeleteWindowNoInputDevices(void *value, XID wid);
+
+/*
+ * Unsupported by our old Xserver infrastructure, replaced with direct calls to
+ * compReallocPixmap().
+ */
+/*
+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/nx-X11/programs/Xserver/composite/compositeext.h b/nx-X11/programs/Xserver/composite/compositeext.h
new file mode 100644
index 000000000..b96cb1d68
--- /dev/null
+++ b/nx-X11/programs/Xserver/composite/compositeext.h
@@ -0,0 +1,44 @@
+/*
+ * 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);
+
+extern _X_EXPORT Bool CompositeRegisterImplicitRedirectionException(ScreenPtr pScreen,
+ VisualID parentVisual,
+ VisualID winVisual);
+
+extern _X_EXPORT RESTYPE CompositeClientWindowType;
+
+#endif /* _COMPOSITEEXT_H_ */
diff --git a/nx-X11/programs/Xserver/composite/compoverlay.c b/nx-X11/programs/Xserver/composite/compoverlay.c
new file mode 100644
index 000000000..226bbcb6a
--- /dev/null
+++ b/nx-X11/programs/Xserver/composite/compoverlay.c
@@ -0,0 +1,178 @@
+/*
+ * 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"
+#ifndef NXAGENT_SERVER
+#include "xace.h"
+#endif
+
+#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, (void *) 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;
+ int x = 0, y = 0;
+
+ /* Unsupported by current architecture, disabled. */
+#if 0
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ x = -pScreen->x;
+ y = -pScreen->y;
+ w = PanoramiXPixWidth;
+ h = PanoramiXPixHeight;
+ }
+#endif
+#endif
+
+ pWin = cs->pOverlayWin =
+ CreateWindow(cs->overlayWid, pRoot, x, y, 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, (void *) 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/nx-X11/programs/Xserver/composite/compwindow.c b/nx-X11/programs/Xserver/composite/compwindow.c
new file mode 100644
index 000000000..e9bb39827
--- /dev/null
+++ b/nx-X11/programs/Xserver/composite/compwindow.c
@@ -0,0 +1,909 @@
+/*
+ * $Id: compwindow.c,v 1.11 2005/07/03 07:37:34 daniels Exp $
+ *
+ * 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, void * 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 == RedriectDrawNone);
+ 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, void * closure)
+{
+ WindowPtr pWindow;
+#ifndef NXAGENT_SERVER
+ int rc =
+ dixLookupWindow(&pWindow, (XID) (intptr_t) closure, pClient,
+ DixWriteAccess);
+#else
+ pWindow = SecurityLookupWindow((XID) (intptr_t) closure, pClient, DixWriteAccess);
+ int rc = pWindow ? Success : BadWindow;
+#endif
+
+ if (rc == Success)
+ {
+ RegionRec exposed;
+
+ RegionNull(&exposed);
+ RegionSubtract(&exposed, &pWindow->borderClip, &pWindow->winSize);
+#ifndef NXAGENT_SERVER
+ pWindow->drawable.pScreen->PaintWindowBorder(pWindow, &exposed, PW_BORDER);
+#else
+ (*pWindow->drawable.pScreen->PaintWindowBorder)(pWindow, &exposed, PW_BORDER);
+#endif
+ RegionUninit(&exposed);
+ }
+ return TRUE;
+}
+
+static int
+compSetPixmapVisitWindow (WindowPtr pWindow, void * 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,
+ (void *) (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, (void *) &visitRec);
+ compCheckTree (pWindow->drawable.pScreen);
+}
+
+Bool
+compCheckRedirect (WindowPtr pWin)
+{
+ CompWindowPtr cw = GetCompWindow (pWin);
+ CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen);
+ Bool should;
+
+ should = pWin->realized && (pWin->drawable.class != InputOnly) &&
+ (cw != NULL) && (pWin->parent != NULL);
+
+ /* Never redirect the overlay window */
+ if (cs->pOverlayWin != NULL) {
+ if (pWin == cs->pOverlayWin) {
+ should = FALSE;
+ }
+ }
+
+ if (should != (pWin->redirectDraw != RedirectDrawNone))
+ {
+ if (should)
+ return compAllocPixmap (pWin);
+ else {
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
+
+ compSetParentPixmap(pWin);
+ compRestoreWindow(pWin, pPixmap);
+ (*pScreen->DestroyPixmap) (pPixmap);
+ }
+ }
+ else if (should) {
+ if (cw->update == CompositeRedirectAutomatic)
+ pWin->redirectDraw = RedirectDrawAutomatic;
+ else
+ pWin->redirectDraw = RedirectDrawManual;
+ }
+ return TRUE;
+}
+
+static int
+updateOverlayWindow(ScreenPtr pScreen)
+{
+ CompScreenPtr cs;
+ WindowPtr pWin; /* overlay window */
+ XID vlist[2];
+ int w = pScreen->width;
+ int h = pScreen->height;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ w = PanoramiXPixWidth;
+ h = PanoramiXPixHeight;
+ }
+#endif
+
+ cs = GetCompScreen(pScreen);
+ if ((pWin = cs->pOverlayWin) != NULL) {
+ if ((pWin->drawable.width == w) && (pWin->drawable.height == h))
+ return Success;
+
+ /* Let's resize the overlay window. */
+ vlist[0] = w;
+ vlist[1] = h;
+ return ConfigureWindow(pWin, CWWidth | CWHeight, vlist, wClient(pWin));
+ }
+
+ /* Let's be on the safe side and not assume an overlay window is
+ always allocated. */
+ return Success;
+}
+
+Bool
+compPositionWindow (WindowPtr pWin, int x, int y)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompScreenPtr cs = GetCompScreen (pScreen);
+ Bool ret = TRUE;
+
+ pScreen->PositionWindow = cs->PositionWindow;
+ /*
+ * "Shouldn't need this as all possible places should be wrapped
+ *
+ compCheckRedirect (pWin);
+ */
+#ifdef COMPOSITE_DEBUG
+ if ((pWin->redirectDraw != RedirectDrawNone) !=
+ (pWin->viewable && (GetCompWindow(pWin) != NULL)))
+ abort ();
+#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
+compIsImplicitRedirectException(ScreenPtr pScreen,
+ XID parentVisual, XID winVisual)
+{
+ CompScreenPtr cs = GetCompScreen(pScreen);
+ int i;
+
+ for (i = 0; i < cs->numImplicitRedirectExceptions; i++)
+ if (cs->implicitRedirectExceptions[i].parentVisual == parentVisual &&
+ cs->implicitRedirectExceptions[i].winVisual == winVisual)
+ 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 (compIsImplicitRedirectException(pScreen, parentVisual, winVisual))
+ return FALSE;
+
+ 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);
+
+ compCheckTree (pScreen);
+ if (pWin->redirectDraw != RedirectDrawNone) {
+ WindowPtr pParent;
+ int draw_x, draw_y;
+ unsigned int w, h, bw;
+
+ /* if this is a root window, can't be moved */
+ if (!(pParent = pWin->parent))
+ return;
+
+ bw = wBorderWidth (pWin);
+ draw_x = pParent->drawable.x + x + (int)bw;
+ draw_y = pParent->drawable.y + y + (int)bw;
+ w = pWin->drawable.width;
+ h = pWin->drawable.height;
+ compReallocPixmap (pWin, draw_x, draw_y, w, h, bw);
+ }
+ compCheckTree (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);
+
+ compCheckTree (pScreen);
+ if (pWin->redirectDraw != RedirectDrawNone)
+ {
+ WindowPtr pParent;
+ int draw_x, draw_y;
+ unsigned int bw;
+
+ /* if this is a root window, can't be moved */
+ if (!(pParent = pWin->parent))
+ return;
+
+ bw = wBorderWidth (pWin);
+ draw_x = pParent->drawable.x + x + (int)bw;
+ draw_y = pParent->drawable.y + y + (int)bw;
+ compReallocPixmap (pWin, draw_x, draw_y, w, h, bw);
+ }
+ compCheckTree (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);
+
+ compCheckTree (pScreen);
+ if (pWin->redirectDraw != RedirectDrawNone)
+ {
+ WindowPtr pParent;
+ int draw_x, draw_y;
+ unsigned int w, h;
+
+ /* if this is a root window, can't be moved */
+ if (!(pParent = pWin->parent))
+ return;
+
+ draw_x = pWin->drawable.x;
+ draw_y = pWin->drawable.y;
+ w = pWin->drawable.width;
+ h = pWin->drawable.height;
+ compReallocPixmap (pWin, draw_x, draw_y, w, h, bw);
+ }
+
+ compCheckTree (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;
+ 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);
+ }
+ RegionUninit (&rgnDst);
+ 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;
+ PixmapPtr parent_pixmap = (*pScreen->GetWindowPixmap)(pWin->parent);
+ PixmapPtr window_pixmap = (*pScreen->GetWindowPixmap)(pWin);
+
+ if (window_pixmap != parent_pixmap)
+ (*pScreen->SetWindowPixmap) (pWin, parent_pixmap);
+ if (csw)
+ for (ccw = csw->clients; ccw; ccw = ccw->next)
+ compRedirectWindow (clients[CLIENT_ID(ccw->id)],
+ pWin, ccw->update);
+ if (compImplicitRedirect (pWin, pWin->parent))
+ compRedirectWindow (serverClient, pWin, CompositeRedirectAutomatic);
+ }
+ cs->CreateWindow = pScreen->CreateWindow;
+ pScreen->CreateWindow = compCreateWindow;
+ compCheckTree (pWin->drawable.pScreen);
+ return ret;
+}
+
+Bool
+compDestroyWindow (WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompScreenPtr cs = GetCompScreen (pScreen);
+ CompWindowPtr cw;
+ CompSubwindowsPtr csw;
+ Bool ret;
+
+ pScreen->DestroyWindow = cs->DestroyWindow;
+ while ((cw = GetCompWindow (pWin)))
+ FreeResource (cw->clients->id, RT_NONE);
+ while ((csw = GetCompSubwindows (pWin)))
+ FreeResource (csw->clients->id, RT_NONE);
+
+ if (pWin->redirectDraw != RedirectDrawNone) {
+ PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
+
+ compSetParentPixmap (pWin);
+ (*pScreen->DestroyPixmap) (pPixmap);
+ }
+ ret = (*pScreen->DestroyWindow) (pWin);
+ cs->DestroyWindow = pScreen->DestroyWindow;
+ pScreen->DestroyWindow = compDestroyWindow;
+/* compCheckTree (pWin->drawable.pScreen); can't check -- tree isn't good*/
+ return ret;
+}
+
+void
+compSetRedirectBorderClip (WindowPtr pWin, RegionPtr pRegion)
+{
+ CompWindowPtr cw = GetCompWindow (pWin);
+ RegionRec damage;
+
+ RegionNull(&damage);
+ /*
+ * Align old border clip with new border clip
+ */
+ RegionTranslate(&cw->borderClip,
+ pWin->drawable.x - cw->borderClipX,
+ pWin->drawable.y - cw->borderClipY);
+ /*
+ * Compute newly visible portion of window for repaint
+ */
+ RegionSubtract(&damage, pRegion, &cw->borderClip);
+ /*
+ * Report that as damaged so it will be redrawn
+ */
+ DamageDamageRegion (&pWin->drawable, &damage);
+ RegionUninit(&damage);
+ /*
+ * Save the new border clip region
+ */
+ RegionCopy(&cw->borderClip, pRegion);
+ cw->borderClipX = pWin->drawable.x;
+ cw->borderClipY = pWin->drawable.y;
+}
+
+RegionPtr
+compGetRedirectBorderClip (WindowPtr pWin)
+{
+ CompWindowPtr cw = GetCompWindow (pWin);
+
+ return &cw->borderClip;
+}
+
+static VisualPtr
+compGetWindowVisual (WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ VisualID vid = wVisual (pWin);
+ int i;
+
+ for (i = 0; i < pScreen->numVisuals; i++)
+ if (pScreen->visuals[i].vid == vid)
+ return &pScreen->visuals[i];
+ return 0;
+}
+
+PictFormatPtr
+compWindowFormat (WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ return PictureMatchVisual (pScreen, pWin->drawable.depth,
+ compGetWindowVisual (pWin));
+}
+
+static void
+compWindowUpdateAutomatic (WindowPtr pWin)
+{
+ CompWindowPtr cw = GetCompWindow (pWin);
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ WindowPtr pParent = pWin->parent;
+ PixmapPtr pSrcPixmap = (*pScreen->GetWindowPixmap) (pWin);
+ PictFormatPtr pSrcFormat = compWindowFormat (pWin);
+ PictFormatPtr pDstFormat = compWindowFormat (pWin->parent);
+ int error;
+ RegionPtr pRegion = DamageRegion (cw->damage);
+ PicturePtr pSrcPicture = CreatePicture (0, &pSrcPixmap->drawable,
+ pSrcFormat,
+ 0, 0,
+ serverClient,
+ &error);
+ XID subwindowMode = IncludeInferiors;
+ PicturePtr pDstPicture = CreatePicture (0, &pParent->drawable,
+ pDstFormat,
+ CPSubwindowMode,
+ &subwindowMode,
+ serverClient,
+ &error);
+
+ /*
+ * First move the region from window to screen coordinates
+ */
+ RegionTranslate(pRegion,
+ pWin->drawable.x, pWin->drawable.y);
+
+ /*
+ * Clip against the "real" border clip
+ */
+ RegionIntersect(pRegion, pRegion, &cw->borderClip);
+
+ /*
+ * Now translate from screen to dest coordinates
+ */
+ RegionTranslate(pRegion,
+ -pParent->drawable.x, -pParent->drawable.y);
+
+ /*
+ * Clip the picture
+ */
+ SetPictureClipRegion (pDstPicture, 0, 0, pRegion);
+
+ /*
+ * And paint
+ */
+ CompositePicture (PictOpSrc,
+ pSrcPicture,
+ 0,
+ pDstPicture,
+ 0, 0, /* src_x, src_y */
+ 0, 0, /* msk_x, msk_y */
+ pSrcPixmap->screen_x - pParent->drawable.x,
+ pSrcPixmap->screen_y - pParent->drawable.y,
+ pSrcPixmap->drawable.width,
+ pSrcPixmap->drawable.height);
+ FreePicture (pSrcPicture, 0);
+ FreePicture (pDstPicture, 0);
+ /*
+ * Empty the damage region. This has the nice effect of
+ * rendering the translations above harmless
+ */
+ DamageEmpty (cw->damage);
+}
+
+static void
+compPaintWindowToParent(WindowPtr pWin)
+{
+ compPaintChildrenToWindow(pWin->drawable.pScreen, pWin);
+
+ if (pWin->redirectDraw != RedirectDrawNone) {
+ CompWindowPtr cw = GetCompWindow(pWin);
+
+ if (cw->damaged) {
+ compWindowUpdateAutomatic(pWin);
+ cw->damaged = FALSE;
+ }
+ }
+}
+
+void
+compPaintChildrenToWindow(ScreenPtr pScreen, WindowPtr pWin)
+{
+ WindowPtr pChild;
+ CompScreenPtr cs = GetCompScreen(pScreen);
+
+ if (!cs->damaged)
+ return;
+
+ for (pChild = pWin->lastChild; pChild; pChild = pChild->prevSib)
+ compPaintWindowToParent(pChild);
+
+ cs->damaged = FALSE;
+}
+
+WindowPtr
+CompositeRealChildHead(WindowPtr pWin)
+{
+ WindowPtr pChild, pChildBefore;
+ CompScreenPtr cs;
+
+ if (!pWin->parent &&
+ (screenIsSaved == SCREEN_SAVER_ON) &&
+ (HasSaverWindow(pWin->drawable.pScreen->myNum))) {
+
+ /* 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;
+ }
+}
+
+/* ConfigNotify not implemented... replace with the old pixmap reallocation algorithm... */
+/*
+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;
+}
+*/
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-08 09:48:45 +0000