--- /dev/null
+/*
+ * Screen routines for Mac OS X rootless X server
+ *
+ * Greg Parker gparker@cs.stanford.edu
+ *
+ * February 2001 Created
+ * March 3, 2001 Restructured as generic rootless mode
+ */
+
+/* Copyright (c) 2002 Apple Computer, Inc. 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 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 ABOVE LISTED COPYRIGHT
+ HOLDER(S) 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.
+
+ Except as contained in this notice, the name(s) of the above
+ copyright holders shall not be used in advertising or otherwise to
+ promote the sale, use or other dealings in this Software without
+ prior written authorization. */
+
+/* $XFree86: xc/programs/Xserver/hw/darwin/quartz/rootlessScreen.c,v 1.2 2002/04/03 00:06:32 torrey Exp $ */
+
+
+#include "mi.h"
+#include "scrnintstr.h"
+#include "gcstruct.h"
+#include "pixmapstr.h"
+#include "windowstr.h"
+#include "propertyst.h"
+#include "mivalidate.h"
+#include "picturestr.h"
+#include "os.h"
+#include "servermd.h"
+#include "colormapst.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "rootless-common.h"
+#include "rootless-window.h"
+
+/* In milcroseconds */
+#define REDISPLAY_DELAY 10
+#define REDISPLAY_MAX_DELAY 60
+
+extern int RootlessMiValidateTree(WindowPtr pRoot,
+ WindowPtr pChild, VTKind kind);
+extern Bool RootlessCreateGC(GCPtr pGC);
+
+int rootlessGCPrivateIndex = -1;
+int rootlessScreenPrivateIndex = -1;
+int rootlessWindowPrivateIndex = -1;
+
+void
+RootlessUpdateScreenPixmap (ScreenPtr pScreen)
+{
+ RootlessScreenRec *s = SCREENREC(pScreen);
+ PixmapPtr pPix;
+ unsigned int rowbytes;
+
+ pPix = (*pScreen->GetScreenPixmap) (pScreen);
+ if (pPix == NULL)
+ {
+ pPix = (*pScreen->CreatePixmap) (pScreen, 0, 0, pScreen->rootDepth);
+ (*pScreen->SetScreenPixmap) (pPix);
+ }
+
+ rowbytes = PixmapBytePad (pScreen->width, pScreen->rootDepth);
+
+ if (s->pixmap_data_size < rowbytes)
+ {
+ if (s->pixmap_data != NULL)
+ xfree (s->pixmap_data);
+
+ s->pixmap_data_size = rowbytes;
+ s->pixmap_data = xalloc (s->pixmap_data_size);
+ if (s->pixmap_data == NULL)
+ return;
+
+ xp_fill_bytes (s->pixmap_data_size, 1, ~0,
+ s->pixmap_data, s->pixmap_data_size);
+
+ pScreen->ModifyPixmapHeader (pPix, pScreen->width, pScreen->height,
+ pScreen->rootDepth,
+ BitsPerPixel (pScreen->rootDepth),
+ 0, s->pixmap_data);
+ /* ModifyPixmapHeader ignores zero arguments, so install rowbytes
+ by hand. */
+ pPix->devKind = 0;
+ }
+}
+
+static Bool
+RootlessCreateScreenResources (ScreenPtr pScreen)
+{
+ Bool ret = TRUE;
+
+ SCREEN_UNWRAP (pScreen, CreateScreenResources);
+
+ if (pScreen->CreateScreenResources != NULL)
+ ret = (*pScreen->CreateScreenResources) (pScreen);
+
+ SCREEN_WRAP(pScreen, CreateScreenResources);
+
+ if (!ret)
+ return ret;
+
+ /* miCreateScreenResources doesn't like our null framebuffer pointer,
+ it leaves the screen pixmap with an uninitialized data pointer. So
+ we gave it depth=0,bits=0, which says, leave it the fsck alone.
+ So we have some work to do since we need the screen pixmap to be
+ valid (e.g. CopyArea from the root window) */
+
+ RootlessUpdateScreenPixmap (pScreen);
+
+ return ret;
+}
+
+static Bool
+RootlessCloseScreen(int i, ScreenPtr pScreen)
+{
+ RootlessScreenRec *s;
+
+ s = SCREENREC(pScreen);
+
+ /* FIXME: unwrap everything that was wrapped? */
+ pScreen->CloseScreen = s->CloseScreen;
+
+ if (s->pixmap_data != NULL)
+ {
+ xfree (s->pixmap_data);
+ s->pixmap_data = NULL;
+ s->pixmap_data_size = 0;
+ }
+
+ xfree(s);
+ return pScreen->CloseScreen(i, pScreen);
+}
+
+static void
+RootlessGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h,
+ unsigned int format, unsigned long planeMask, char *pdstLine)
+{
+ ScreenPtr pScreen = pDrawable->pScreen;
+ SCREEN_UNWRAP(pScreen, GetImage);
+
+ if (pDrawable->type == DRAWABLE_WINDOW)
+ {
+ int x0, y0, x1, y1;
+
+ RootlessWindowRec *winRec;
+
+ /* Many apps use GetImage to sync with the visible frame buffer
+ FIXME: entire screen or just window or all screens? */
+ RootlessRedisplayScreen (pScreen);
+
+ /* RedisplayScreen stops drawing, so we need to start it again */
+ RootlessStartDrawing ((WindowPtr) pDrawable);
+
+ /* Check that we have some place to read from. */
+ winRec = WINREC (TopLevelParent ((WindowPtr) pDrawable));
+ if (winRec == NULL)
+ goto out;
+
+ /* Clip to top-level window bounds. */
+
+ x0 = pDrawable->x + sx;
+ y0 = pDrawable->y + sy;
+ x1 = x0 + w;
+ y1 = y0 + h;
+
+ x0 = MAX (x0, winRec->x);
+ y0 = MAX (y0, winRec->y);
+ x1 = MIN (x1, winRec->x + (int) winRec->width);
+ y1 = MIN (y1, winRec->y + (int) winRec->height);
+
+ /* FIXME: if clipped we need to adjust the data returned from
+ fbGetImage (), since it calculates the destination stride
+ from the passed in width.. */
+
+ sx = x0 - pDrawable->x;
+ sy = y0 - pDrawable->y;
+ w = x1 - x0;
+ h = y1 - y0;
+
+ if (w <= 0 || h <= 0)
+ goto out;
+ }
+
+ pScreen->GetImage(pDrawable, sx, sy, w, h, format, planeMask, pdstLine);
+
+out:
+ SCREEN_WRAP(pScreen, GetImage);
+}
+
+/*
+ * RootlessSourceValidate
+ * CopyArea and CopyPlane use a GC tied to the destination drawable.
+ * StartDrawing/StopDrawing wrappers won't be called if source is
+ * a visible window but the destination isn't. So, we call StartDrawing
+ * here and leave StopDrawing for the block handler.
+ */
+static void
+RootlessSourceValidate(DrawablePtr pDrawable, int x, int y, int w, int h)
+{
+ SCREEN_UNWRAP(pDrawable->pScreen, SourceValidate);
+ if (pDrawable->type == DRAWABLE_WINDOW) {
+ WindowPtr pWin = (WindowPtr)pDrawable;
+ RootlessStartDrawing(pWin);
+ }
+ if (pDrawable->pScreen->SourceValidate) {
+ pDrawable->pScreen->SourceValidate(pDrawable, x, y, w, h);
+ }
+ SCREEN_WRAP(pDrawable->pScreen, SourceValidate);
+}
+
+#ifdef RENDER
+
+static void
+rootlessComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst,
+ INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask,
+ INT16 xDst, INT16 yDst, CARD16 width, CARD16 height)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ WindowPtr srcWin, dstWin, maskWin = NULL;
+
+ if (pMask) {
+ maskWin = (pMask->pDrawable->type == DRAWABLE_WINDOW) ?
+ (WindowPtr)pMask->pDrawable : NULL;
+ }
+ srcWin = (pSrc->pDrawable->type == DRAWABLE_WINDOW) ?
+ (WindowPtr)pSrc->pDrawable : NULL;
+ dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ?
+ (WindowPtr)pDst->pDrawable : NULL;
+
+ ps->Composite = SCREENREC(pScreen)->Composite;
+
+ if (srcWin && IsFramedWindow(srcWin)) RootlessStartDrawing(srcWin);
+ if (maskWin && IsFramedWindow(maskWin)) RootlessStartDrawing(maskWin);
+ if (dstWin && IsFramedWindow(dstWin)) RootlessStartDrawing(dstWin);
+
+ ps->Composite(op, pSrc, pMask, pDst,
+ xSrc, ySrc, xMask, yMask,
+ xDst, yDst, width, height);
+
+ if (dstWin && IsFramedWindow(dstWin)) {
+ RootlessDamageRect(dstWin, xDst, yDst, width, height);
+ }
+
+ ps->Composite = RootlessComposite;
+}
+
+static void
+RootlessGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
+ PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
+ int nlist, GlyphListPtr list, GlyphPtr *glyphs)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ int x, y;
+ int n;
+ GlyphPtr glyph;
+ WindowPtr srcWin, dstWin;
+
+ srcWin = (pSrc->pDrawable->type == DRAWABLE_WINDOW) ?
+ (WindowPtr)pSrc->pDrawable : NULL;
+ dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ?
+ (WindowPtr)pDst->pDrawable : NULL;
+
+ if (srcWin && IsFramedWindow(srcWin)) RootlessStartDrawing(srcWin);
+ if (dstWin && IsFramedWindow(dstWin)) RootlessStartDrawing(dstWin);
+
+ ps->Glyphs = SCREENREC(pScreen)->Glyphs;
+ ps->Glyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs);
+ ps->Glyphs = RootlessGlyphs;
+
+ if (dstWin && IsFramedWindow(dstWin))
+ {
+ x = xSrc;
+ y = ySrc;
+
+ while (nlist--)
+ {
+ /* Originally this code called DamageRect for the bounding
+ box of each glyph. But that was causing way too much
+ time to be spent in CGSBoundingRegionAddRect. So compute
+ the union of all glyphs in a list and damage that. It
+ shouldn't be very different. */
+
+ x += list->xOff;
+ y += list->yOff;
+ n = list->len;
+
+ if (n > 0)
+ {
+ BoxRec box;
+
+ glyph = *glyphs++;
+
+ box.x1 = x - glyph->info.x;
+ box.y1 = y - glyph->info.y;
+ box.x2 = box.x1 + glyph->info.width;
+ box.y2 = box.y2 + glyph->info.height;
+
+ x += glyph->info.xOff;
+ y += glyph->info.yOff;
+
+ while (--n > 0)
+ {
+ short x1, y1, x2, y2;
+
+ glyph = *glyphs++;
+
+ x1 = x - glyph->info.x;
+ y1 = y - glyph->info.y;
+ x2 = x1 + glyph->info.width;
+ y2 = y1 + glyph->info.height;
+
+ box.x1 = MAX (box.x1, x1);
+ box.y1 = MAX (box.y1, y1);
+ box.x2 = MAX (box.x2, x2);
+ box.y2 = MAX (box.y2, y2);
+
+ x += glyph->info.xOff;
+ y += glyph->info.yOff;
+ }
+
+ RootlessDamageBox (dstWin, &box);
+ }
+
+ list++;
+ }
+ }
+}
+
+#endif /* RENDER */
+
+/* ValidateTree is modified in two ways:
+ - top-level windows don't clip each other
+ - windows aren't clipped against root.
+ These only matter when validating from the root. */
+static int
+RootlessValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind)
+{
+ int result;
+ RegionRec saveRoot;
+ ScreenPtr pScreen = pParent->drawable.pScreen;
+
+ SCREEN_UNWRAP(pScreen, ValidateTree);
+ RL_DEBUG_MSG("VALIDATETREE start ");
+
+ /* Use our custom version to validate from root */
+ if (IsRoot(pParent)) {
+ RL_DEBUG_MSG("custom ");
+ result = RootlessMiValidateTree(pParent, pChild, kind);
+ } else {
+ HUGE_ROOT(pParent);
+ result = pScreen->ValidateTree(pParent, pChild, kind);
+ NORMAL_ROOT(pParent);
+ }
+
+ SCREEN_WRAP(pScreen, ValidateTree);
+ RL_DEBUG_MSG("VALIDATETREE end\n");
+
+ return result;
+}
+
+/* MarkOverlappedWindows is modified to ignore overlapping top-level
+ windows. */
+static Bool
+RootlessMarkOverlappedWindows(WindowPtr pWin, WindowPtr pFirst,
+ WindowPtr *ppLayerWin)
+{
+ RegionRec saveRoot;
+ Bool result;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ SCREEN_UNWRAP(pScreen, MarkOverlappedWindows);
+ RL_DEBUG_MSG("MARKOVERLAPPEDWINDOWS start ");
+
+ HUGE_ROOT(pWin);
+ if (IsRoot(pWin)) {
+ /* root - mark nothing */
+ RL_DEBUG_MSG("is root not marking ");
+ result = FALSE;
+ }
+ else if (! IsTopLevel(pWin)) {
+ /* not top-level window - mark normally */
+ result = pScreen->MarkOverlappedWindows(pWin, pFirst, ppLayerWin);
+ }
+ else {
+ /* top-level window - mark children ONLY - NO overlaps with sibs (?)
+ This code copied from miMarkOverlappedWindows() */
+
+ register WindowPtr pChild;
+ Bool anyMarked = FALSE;
+ void (* MarkWindow)() = pScreen->MarkWindow;
+
+ RL_DEBUG_MSG("is top level! ");
+ /* single layered systems are easy */
+ if (ppLayerWin) *ppLayerWin = pWin;
+
+ if (pWin == pFirst) {
+ /* Blindly mark pWin and all of its inferiors. This is a slight
+ * overkill if there are mapped windows that outside pWin's border,
+ * but it's better than wasting time on RectIn checks.
+ */
+ pChild = pWin;
+ while (1) {
+ if (pChild->viewable) {
+ if (REGION_BROKEN (pScreen, &pChild->winSize))
+ SetWinSize (pChild);
+ if (REGION_BROKEN (pScreen, &pChild->borderSize))
+ SetBorderSize (pChild);
+ (* MarkWindow)(pChild);
+ if (pChild->firstChild) {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ }
+ while (!pChild->nextSib && (pChild != pWin))
+ pChild = pChild->parent;
+ if (pChild == pWin)
+ break;
+ pChild = pChild->nextSib;
+ }
+ anyMarked = TRUE;
+ pFirst = pFirst->nextSib;
+ }
+ if (anyMarked)
+ (* MarkWindow)(pWin->parent);
+ result = anyMarked;
+ }
+ NORMAL_ROOT(pWin);
+ SCREEN_WRAP(pScreen, MarkOverlappedWindows);
+ RL_DEBUG_MSG("MARKOVERLAPPEDWINDOWS end\n");
+ return result;
+}
+
+static void
+expose_1 (WindowPtr pWin)
+{
+ WindowPtr pChild;
+
+ if (!pWin->realized)
+ return;
+
+ (*pWin->drawable.pScreen->PaintWindowBackground) (pWin, &pWin->borderClip,
+ PW_BACKGROUND);
+
+ /* FIXME: comments in windowstr.h indicate that borderClip doesn't
+ include subwindow visibility. But I'm not so sure.. so we may
+ be exposing too much.. */
+
+ miSendExposures (pWin, &pWin->borderClip,
+ pWin->drawable.x, pWin->drawable.y);
+
+ for (pChild = pWin->firstChild; pChild != NULL; pChild = pChild->nextSib)
+ expose_1 (pChild);
+}
+
+void
+RootlessScreenExpose (ScreenPtr pScreen)
+{
+ expose_1 (WindowTable[pScreen->myNum]);
+}
+
+ColormapPtr
+RootlessGetColormap (ScreenPtr pScreen)
+{
+ RootlessScreenRec *s = SCREENREC (pScreen);
+
+ return s->colormap;
+}
+
+static void
+RootlessInstallColormap (ColormapPtr pMap)
+{
+ ScreenPtr pScreen = pMap->pScreen;
+ RootlessScreenRec *s = SCREENREC (pScreen);
+
+ SCREEN_UNWRAP(pScreen, InstallColormap);
+
+ if (s->colormap != pMap)
+ {
+ s->colormap = pMap;
+ s->colormap_changed = TRUE;
+ RootlessQueueRedisplay (pScreen);
+ }
+
+ pScreen->InstallColormap (pMap);
+
+ SCREEN_WRAP (pScreen, InstallColormap);
+}
+
+static void
+RootlessUninstallColormap (ColormapPtr pMap)
+{
+ ScreenPtr pScreen = pMap->pScreen;
+ RootlessScreenRec *s = SCREENREC (pScreen);
+
+ SCREEN_UNWRAP(pScreen, UninstallColormap);
+
+ if (s->colormap == pMap)
+ s->colormap = NULL;
+
+ pScreen->UninstallColormap (pMap);
+
+ SCREEN_WRAP(pScreen, UninstallColormap);
+}
+
+static void
+RootlessStoreColors (ColormapPtr pMap, int ndef, xColorItem *pdef)
+{
+ ScreenPtr pScreen = pMap->pScreen;
+ RootlessScreenRec *s = SCREENREC (pScreen);
+
+ SCREEN_UNWRAP(pScreen, StoreColors);
+
+ if (s->colormap == pMap && ndef > 0)
+ {
+ s->colormap_changed = TRUE;
+ RootlessQueueRedisplay (pScreen);
+ }
+
+ pScreen->StoreColors (pMap, ndef, pdef);
+
+ SCREEN_WRAP(pScreen, StoreColors);
+}
+
+static CARD32
+redisplay_callback (OsTimerPtr timer, CARD32 time, void *arg)
+{
+ RootlessScreenRec *screenRec = arg;
+
+ if (!screenRec->redisplay_queued)
+ {
+ /* No update needed. Stop the timer. */
+
+ screenRec->redisplay_timer_set = FALSE;
+ return 0;
+ }
+
+ screenRec->redisplay_queued = FALSE;
+
+ /* Mark that we should redisplay before waiting for I/O next time */
+ screenRec->redisplay_expired = TRUE;
+
+ /* Reinstall the timer immediately, so we get as close to our
+ redisplay interval as possible. */
+
+ return REDISPLAY_DELAY;
+}
+
+void
+RootlessQueueRedisplay (ScreenPtr pScreen)
+{
+ RootlessScreenRec *screenRec = SCREENREC (pScreen);
+
+ screenRec->redisplay_queued = TRUE;
+
+ if (screenRec->redisplay_timer_set)
+ return;
+
+ screenRec->redisplay_timer = TimerSet (screenRec->redisplay_timer,
+ 0, REDISPLAY_DELAY,
+ redisplay_callback, screenRec);
+ screenRec->redisplay_timer_set = TRUE;
+}
+
+/* Call this function when it might be a good idea to flush updates.
+ Note that it will unlock window buffers! */
+Bool
+RootlessMayRedisplay (ScreenPtr pScreen)
+{
+ RootlessScreenRec *screenRec = SCREENREC (pScreen);
+
+ if (!screenRec->redisplay_queued)
+ return FALSE;
+
+ /* If the timer has fired, or it's been long enough since the last
+ update, redisplay everything now. */
+
+ if (!screenRec->redisplay_expired)
+ {
+ CARD32 now = GetTimeInMillis ();
+
+ if (screenRec->last_redisplay + REDISPLAY_MAX_DELAY >= now)
+ return FALSE;
+ }
+
+ if (screenRec->redisplay_timer_set)
+ {
+ TimerCancel (screenRec->redisplay_timer);
+ screenRec->redisplay_timer_set = FALSE;
+ }
+
+ RootlessRedisplayScreen (screenRec->pScreen);
+ screenRec->redisplay_expired = FALSE;
+
+ return TRUE;
+}
+
+/* Flush drawing before blocking on select(). */
+static void
+RootlessBlockHandler(pointer pbdata, OSTimePtr pTimeout, pointer pReadmask)
+{
+ ScreenPtr pScreen = pbdata;
+ RootlessScreenRec *screenRec = SCREENREC (pScreen);
+
+ if (screenRec->redisplay_expired)
+ {
+ screenRec->redisplay_expired = FALSE;
+
+ if (screenRec->colormap_changed)
+ {
+ RootlessFlushScreenColormaps (screenRec->pScreen);
+ screenRec->colormap_changed = FALSE;
+ }
+
+ RootlessRedisplayScreen (screenRec->pScreen);
+ }
+}
+
+static void
+RootlessWakeupHandler(pointer data, int i, pointer LastSelectMask)
+{
+}
+
+static Bool
+RootlessAllocatePrivates(ScreenPtr pScreen)
+{
+ RootlessScreenRec *s;
+ static unsigned int rootlessGeneration = -1;
+
+ if (rootlessGeneration != serverGeneration) {
+ rootlessScreenPrivateIndex = AllocateScreenPrivateIndex();
+ if (rootlessScreenPrivateIndex == -1) return FALSE;
+ rootlessGCPrivateIndex = AllocateGCPrivateIndex();
+ if (rootlessGCPrivateIndex == -1) return FALSE;
+ rootlessWindowPrivateIndex = AllocateWindowPrivateIndex();
+ if (rootlessWindowPrivateIndex == -1) return FALSE;
+ rootlessGeneration = serverGeneration;
+ }
+
+ /* no allocation needed for screen privates */
+ if (!AllocateGCPrivate(pScreen, rootlessGCPrivateIndex,
+ sizeof(RootlessGCRec)))
+ return FALSE;
+ if (!AllocateWindowPrivate(pScreen, rootlessWindowPrivateIndex, 0))
+ return FALSE;
+
+ s = xalloc(sizeof(RootlessScreenRec));
+ if (! s) return FALSE;
+ SCREENREC(pScreen) = s;
+
+ s->pixmap_data = NULL;
+ s->pixmap_data_size = 0;
+
+ s->redisplay_timer = NULL;
+ s->redisplay_timer_set = FALSE;
+
+ return TRUE;
+}
+
+static void
+RootlessWrap(ScreenPtr pScreen)
+{
+ RootlessScreenRec *s = (RootlessScreenRec*)
+ pScreen->devPrivates[rootlessScreenPrivateIndex].ptr;
+
+#define WRAP(a) \
+ if (pScreen->a) { \
+ s->a = pScreen->a; \
+ } else { \
+ RL_DEBUG_MSG("null screen fn " #a "\n"); \
+ s->a = NULL; \
+ } \
+ pScreen->a = Rootless##a
+
+ WRAP(CreateScreenResources);
+ WRAP(CloseScreen);
+ WRAP(CreateGC);
+ WRAP(PaintWindowBackground);
+ WRAP(PaintWindowBorder);
+ WRAP(CopyWindow);
+ WRAP(GetImage);
+ WRAP(SourceValidate);
+ WRAP(CreateWindow);
+ WRAP(DestroyWindow);
+ WRAP(RealizeWindow);
+ WRAP(UnrealizeWindow);
+ WRAP(ReparentWindow);
+ WRAP(MoveWindow);
+ WRAP(PositionWindow);
+ WRAP(ResizeWindow);
+ WRAP(RestackWindow);
+ WRAP(ChangeBorderWidth);
+ WRAP(MarkOverlappedWindows);
+ WRAP(ValidateTree);
+ WRAP(ChangeWindowAttributes);
+ WRAP(InstallColormap);
+ WRAP(UninstallColormap);
+ WRAP(StoreColors);
+
+#ifdef SHAPE
+ WRAP(SetShape);
+#endif
+
+#ifdef RENDER
+ {
+ /* Composite and Glyphs don't use normal screen wrapping */
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ s->Composite = ps->Composite;
+ ps->Composite = rootlessComposite;
+ s->Glyphs = ps->Glyphs;
+ ps->Glyphs = RootlessGlyphs;
+ }
+#endif
+
+ // WRAP(ClearToBackground); fixme put this back? useful for shaped wins?
+ // WRAP(RestoreAreas); fixme put this back?
+
+#undef WRAP
+}
+
+Bool
+RootlessSetupScreen(int index, ScreenPtr pScreen)
+{
+ RootlessScreenRec *s;
+
+ /* Add replacements for fb screen functions */
+ pScreen->PaintWindowBackground = RootlessPaintWindow;
+ pScreen->PaintWindowBorder = RootlessPaintWindow;
+
+#ifdef RENDER
+ {
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ ps->Composite = RootlessComposite;
+ }
+#endif
+
+ if (!RootlessAllocatePrivates(pScreen))
+ return FALSE;
+
+ s = ((RootlessScreenRec*)
+ pScreen->devPrivates[rootlessScreenPrivateIndex].ptr);
+
+ s->pScreen = pScreen;
+ RootlessWrap(pScreen);
+
+ if (!RegisterBlockAndWakeupHandlers (RootlessBlockHandler,
+ RootlessWakeupHandler,
+ (pointer) pScreen))
+ {
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+void
+RootlessUpdateRooted (Bool state)
+{
+ int i;
+
+ if (!state)
+ {
+ for (i = 0; i < screenInfo.numScreens; i++)
+ RootlessDisableRoot (screenInfo.screens[i]);
+ }
+ else
+ {
+ for (i = 0; i < screenInfo.numScreens; i++)
+ RootlessEnableRoot (screenInfo.screens[i]);
+ }
+}