Beispiel #1
0
Bool
rdpRRScreenSetSize(ScreenPtr pScreen, CARD16 width, CARD16 height,
                   CARD32 mmWidth, CARD32 mmHeight)
{
    WindowPtr root;
    PixmapPtr screenPixmap;
    BoxRec box;
    rdpPtr dev;

    LLOGLN(0, ("rdpRRScreenSetSize: width %d height %d mmWidth %d mmHeight %d",
           width, height, (int)mmWidth, (int)mmHeight));
    dev = rdpGetDevFromScreen(pScreen);
    root = rdpGetRootWindowPtr(pScreen);
    if ((width < 1) || (height < 1))
    {
        LLOGLN(10, ("  error width %d height %d", width, height));
        return FALSE;
    }
    dev->width = width;
    dev->height = height;
    dev->paddedWidthInBytes = PixmapBytePad(dev->width, dev->depth);
    dev->sizeInBytes = dev->paddedWidthInBytes * dev->height;
    pScreen->width = width;
    pScreen->height = height;
    pScreen->mmWidth = mmWidth;
    pScreen->mmHeight = mmHeight;
    screenPixmap = pScreen->GetScreenPixmap(pScreen);
    g_free(dev->pfbMemory_alloc);
    dev->pfbMemory_alloc = (char *) g_malloc(dev->sizeInBytes + 16, 1);
    dev->pfbMemory = (char *) RDPALIGN(dev->pfbMemory_alloc, 16);
    if (screenPixmap != 0)
    {
        pScreen->ModifyPixmapHeader(screenPixmap, width, height,
                                    -1, -1,
                                    dev->paddedWidthInBytes,
                                    dev->pfbMemory);
    }
    box.x1 = 0;
    box.y1 = 0;
    box.x2 = width;
    box.y2 = height;
    rdpRegionInit(&root->winSize, &box, 1);
    rdpRegionInit(&root->borderSize, &box, 1);
    rdpRegionReset(&root->borderClip, &box);
    rdpRegionBreak(&root->clipList);
    root->drawable.width = width;
    root->drawable.height = height;
    ResizeChildrenWinSize(root, 0, 0, 0, 0);
    RRGetInfo(pScreen, 1);
    LLOGLN(0, ("  screen resized to %dx%d", pScreen->width, pScreen->height));
    RRScreenSizeNotify(pScreen);
#if XORG_VERSION_CURRENT < XORG_VERSION_NUMERIC(1, 13, 0, 0, 0)
    xf86EnableDisableFBAccess(pScreen->myNum, FALSE);
    xf86EnableDisableFBAccess(pScreen->myNum, TRUE);
#else
    xf86EnableDisableFBAccess(xf86Screens[pScreen->myNum], FALSE);
    xf86EnableDisableFBAccess(xf86Screens[pScreen->myNum], TRUE);
#endif
    return TRUE;
}
Beispiel #2
0
Bool
rdpRRScreenSetSize(ScreenPtr pScreen, CARD16 width, CARD16 height,
                   CARD32 mmWidth, CARD32 mmHeight)
{
    PixmapPtr screenPixmap;
    BoxRec box;

    ErrorF("rdpRRScreenSetSize: width %d height %d mmWidth %d mmHeight %d\n",
           width, height, (int)mmWidth, (int)mmHeight);

    if ((width < 1) || (height < 1))
    {
        ErrorF("  error width %d height %d\n", width, height);
        return FALSE;
    }

    g_rdpScreen.width = width;
    g_rdpScreen.height = height;
    g_rdpScreen.paddedWidthInBytes =
        PixmapBytePad(g_rdpScreen.width, g_rdpScreen.depth);
    g_rdpScreen.sizeInBytes =
        g_rdpScreen.paddedWidthInBytes * g_rdpScreen.height;
    pScreen->width = width;
    pScreen->height = height;
    pScreen->mmWidth = mmWidth;
    pScreen->mmHeight = mmHeight;

    screenPixmap = pScreen->GetScreenPixmap(pScreen);

    if (screenPixmap != 0)
    {
        ErrorF("  resizing screenPixmap [%p] to %dx%d, currently at %dx%d\n",
               (void *)screenPixmap, width, height,
               screenPixmap->drawable.width, screenPixmap->drawable.height);
        pScreen->ModifyPixmapHeader(screenPixmap, width, height,
                                    g_rdpScreen.depth, g_rdpScreen.bitsPerPixel,
                                    g_rdpScreen.paddedWidthInBytes,
                                    g_rdpScreen.pfbMemory);
        ErrorF("  pixmap resized to %dx%d\n",
               screenPixmap->drawable.width, screenPixmap->drawable.height);
    }

    DEBUG_OUT(("  root window %p\n", (void *)pScreen->root));
    box.x1 = 0;
    box.y1 = 0;
    box.x2 = width;
    box.y2 = height;
    RegionInit(&pScreen->root->winSize, &box, 1);
    RegionInit(&pScreen->root->borderSize, &box, 1);
    RegionReset(&pScreen->root->borderClip, &box);
    RegionBreak(&pScreen->root->clipList);
    pScreen->root->drawable.width = width;
    pScreen->root->drawable.height = height;
    ResizeChildrenWinSize(pScreen->root, 0, 0, 0, 0);
    RRGetInfo(pScreen, 1);
    rdpInvalidateArea(g_pScreen, 0, 0, g_rdpScreen.width, g_rdpScreen.height);
    ErrorF("  screen resized to %dx%d\n",
           pScreen->width, pScreen->height);
    return TRUE;
}
Beispiel #3
0
void
miSetShape(WindowPtr pWin)
{
    Bool	WasViewable = (Bool)(pWin->viewable);
    ScreenPtr 	pScreen = pWin->drawable.pScreen;
    Bool	anyMarked = FALSE;
    WindowPtr   pLayerWin;

    if (WasViewable)
    {
	anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin,
						      &pLayerWin);
	if (pWin->valdata)
	{
	    if (HasBorder (pWin))
	    {
		RegionPtr	borderVisible;

		borderVisible = REGION_CREATE(pScreen, NullBox, 1);
		REGION_SUBTRACT(pScreen, borderVisible,
				      &pWin->borderClip, &pWin->winSize);
		pWin->valdata->before.borderVisible = borderVisible;
	    }
	    pWin->valdata->before.resized = TRUE;
	}
    }

    SetWinSize (pWin);
    SetBorderSize (pWin);

    ResizeChildrenWinSize(pWin, 0, 0, 0, 0);

    if (WasViewable)
    {
	anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pWin,
						NULL);


	if (anyMarked)
	    (*pScreen->ValidateTree)(pLayerWin->parent, NullWindow, VTOther);
    }

    if (WasViewable)
    {
	if (anyMarked)
	    (*pScreen->HandleExposures)(pLayerWin->parent);
	if (anyMarked && pScreen->PostValidateTree)
	    (*pScreen->PostValidateTree)(pLayerWin->parent, NullWindow, VTOther);
    }
    if (pWin->realized)
	WindowsRestructured ();
    CheckCursorConfinement(pWin);
}
Beispiel #4
0
void
miSlideAndSizeWindow(WindowPtr pWin,
                     int x, int y,
                     unsigned int w, unsigned int h,
                     WindowPtr pSib)
{
    WindowPtr pParent;
    Bool WasViewable = (Bool)(pWin->viewable);
    unsigned short width = pWin->drawable.width,
		   height = pWin->drawable.height;
    short oldx = pWin->drawable.x,
	  oldy = pWin->drawable.y;
    int bw = wBorderWidth (pWin);
    short dw, dh;
    DDXPointRec oldpt;
    RegionPtr oldRegion = NULL;
    Bool anyMarked = FALSE;
    ScreenPtr pScreen;
    WindowPtr pFirstChange;
    WindowPtr pChild;
    RegionPtr	gravitate[StaticGravity + 1];
    unsigned g;
    int		nx, ny;		/* destination x,y */
    int		newx, newy;	/* new inner window position */
    RegionPtr	pRegion = NULL;
    RegionPtr	destClip;	/* portions of destination already written */
    RegionPtr	oldWinClip = NULL;	/* old clip list for window */
    RegionPtr	borderVisible = NullRegion; /* visible area of the border */
    Bool	shrunk = FALSE; /* shrunk in an inner dimension */
    Bool	moved = FALSE;	/* window position changed */
    WindowPtr  pLayerWin;

    /* if this is a root window, can't be resized */
    if (!(pParent = pWin->parent))
	return ;

    pScreen = pWin->drawable.pScreen;
    newx = pParent->drawable.x + x + bw;
    newy = pParent->drawable.y + y + bw;
    if (WasViewable)
    {
	anyMarked = FALSE;
	/*
	 * save the visible region of the window
	 */
	oldRegion = REGION_CREATE(pScreen, NullBox, 1);
	REGION_COPY(pScreen, oldRegion, &pWin->winSize);

	/*
	 * categorize child windows into regions to be moved
	 */
	for (g = 0; g <= StaticGravity; g++)
	    gravitate[g] = (RegionPtr) NULL;
	for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
	{
	    g = pChild->winGravity;
	    if (g != UnmapGravity)
	    {
		if (!gravitate[g])
		    gravitate[g] = REGION_CREATE(pScreen, NullBox, 1);
		REGION_UNION(pScreen, gravitate[g],
				   gravitate[g], &pChild->borderClip);
	    }
	    else
	    {
		UnmapWindow(pChild, TRUE);
		anyMarked = TRUE;
	    }
	}
	anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pWin, 
						       &pLayerWin);

	oldWinClip = NULL;
	if (pWin->bitGravity != ForgetGravity)
	{
	    oldWinClip = REGION_CREATE(pScreen, NullBox, 1);
	    REGION_COPY(pScreen, oldWinClip, &pWin->clipList);
	}
	/*
	 * if the window is changing size, borderExposed
	 * can't be computed correctly without some help.
	 */
	if (pWin->drawable.height > h || pWin->drawable.width > w)
	    shrunk = TRUE;

	if (newx != oldx || newy != oldy)
	    moved = TRUE;

	if ((pWin->drawable.height != h || pWin->drawable.width != w) &&
	    HasBorder (pWin))
	{
	    borderVisible = REGION_CREATE(pScreen, NullBox, 1);
	    /* for tiled borders, we punt and draw the whole thing */
	    if (pWin->borderIsPixel || !moved)
	    {
		if (shrunk || moved)
		    REGION_SUBTRACT(pScreen, borderVisible,
					  &pWin->borderClip,
					  &pWin->winSize);
		else
		    REGION_COPY(pScreen, borderVisible,
					    &pWin->borderClip);
	    }
	}
    }
    pWin->origin.x = x + bw;
    pWin->origin.y = y + bw;
    pWin->drawable.height = h;
    pWin->drawable.width = w;

    x = pWin->drawable.x = newx;
    y = pWin->drawable.y = newy;

    SetWinSize (pWin);
    SetBorderSize (pWin);

    dw = (int)w - (int)width;
    dh = (int)h - (int)height;
    ResizeChildrenWinSize(pWin, x - oldx, y - oldy, dw, dh);

    /* let the hardware adjust background and border pixmaps, if any */
    (*pScreen->PositionWindow)(pWin, x, y);

    pFirstChange = MoveWindowInStack(pWin, pSib);

    if (WasViewable)
    {
	pRegion = REGION_CREATE(pScreen, NullBox, 1);

	if (pLayerWin == pWin)
	    anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pFirstChange,
						NULL);
	else
	    anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pLayerWin,
						NULL);

	if (pWin->valdata)
	{
	    pWin->valdata->before.resized = TRUE;
	    pWin->valdata->before.borderVisible = borderVisible;
	}


	if (anyMarked)
	    (*pScreen->ValidateTree)(pLayerWin->parent, pFirstChange, VTOther);
	/*
	 * the entire window is trashed unless bitGravity
	 * recovers portions of it
	 */
	REGION_COPY(pScreen, &pWin->valdata->after.exposed, &pWin->clipList);
    }

    GravityTranslate (x, y, oldx, oldy, dw, dh, pWin->bitGravity, &nx, &ny);

    if (WasViewable)
    {
	/* avoid the border */
	if (HasBorder (pWin))
	{
	    int	offx, offy, dx, dy;

	    /* kruft to avoid double translates for each gravity */
	    offx = 0;
	    offy = 0;
	    for (g = 0; g <= StaticGravity; g++)
	    {
		if (!gravitate[g])
		    continue;

		/* align winSize to gravitate[g].
		 * winSize is in new coordinates,
		 * gravitate[g] is still in old coordinates */
		GravityTranslate (x, y, oldx, oldy, dw, dh, g, &nx, &ny);
		
		dx = (oldx - nx) - offx;
		dy = (oldy - ny) - offy;
		if (dx || dy)
		{
		    REGION_TRANSLATE(pScreen, &pWin->winSize, dx, dy);
		    offx += dx;
		    offy += dy;
		}
		REGION_INTERSECT(pScreen, gravitate[g], gravitate[g],
				 &pWin->winSize);
	    }
	    /* get winSize back where it belongs */
	    if (offx || offy)
		REGION_TRANSLATE(pScreen, &pWin->winSize, -offx, -offy);
	}
	/*
	 * add screen bits to the appropriate bucket
	 */

	if (oldWinClip)
	{
	    /*
	     * clip to new clipList
	     */
	    REGION_COPY(pScreen, pRegion, oldWinClip);
	    REGION_TRANSLATE(pScreen, pRegion, nx - oldx, ny - oldy);
	    REGION_INTERSECT(pScreen, oldWinClip, pRegion, &pWin->clipList);
	    /*
	     * don't step on any gravity bits which will be copied after this
	     * region.	Note -- this assumes that the regions will be copied
	     * in gravity order.
	     */
	    for (g = pWin->bitGravity + 1; g <= StaticGravity; g++)
	    {
		if (gravitate[g])
		    REGION_SUBTRACT(pScreen, oldWinClip, oldWinClip,
					gravitate[g]);
	    }
	    REGION_TRANSLATE(pScreen, oldWinClip, oldx - nx, oldy - ny);
	    g = pWin->bitGravity;
	    if (!gravitate[g])
		gravitate[g] = oldWinClip;
	    else
	    {
		REGION_UNION(pScreen, gravitate[g], gravitate[g], oldWinClip);
		REGION_DESTROY(pScreen, oldWinClip);
	    }
	}

	/*
	 * move the bits on the screen
	 */

	destClip = NULL;

	for (g = 0; g <= StaticGravity; g++)
	{
	    if (!gravitate[g])
		continue;

	    GravityTranslate (x, y, oldx, oldy, dw, dh, g, &nx, &ny);

	    oldpt.x = oldx + (x - nx);
	    oldpt.y = oldy + (y - ny);

	    /* Note that gravitate[g] is *translated* by CopyWindow */

	    /* only copy the remaining useful bits */

	    REGION_INTERSECT(pScreen, gravitate[g], gravitate[g], oldRegion);

	    /* clip to not overwrite already copied areas */

	    if (destClip) {
		REGION_TRANSLATE(pScreen, destClip, oldpt.x - x, oldpt.y - y);
		REGION_SUBTRACT(pScreen, gravitate[g], gravitate[g], destClip);
		REGION_TRANSLATE(pScreen, destClip, x - oldpt.x, y - oldpt.y);
	    }

	    /* and move those bits */

	    if (oldpt.x != x || oldpt.y != y
#ifdef COMPOSITE
		|| pWin->redirectDraw
#endif
		)
	    {
		(*pWin->drawable.pScreen->CopyWindow)(pWin, oldpt, gravitate[g]);
	    }

	    /* remove any overwritten bits from the remaining useful bits */

	    REGION_SUBTRACT(pScreen, oldRegion, oldRegion, gravitate[g]);

	    /*
	     * recompute exposed regions of child windows
	     */
	
	    for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
	    {
		if (pChild->winGravity != g)
		    continue;
		REGION_INTERSECT(pScreen, pRegion,
				       &pChild->borderClip, gravitate[g]);
		TraverseTree (pChild, miRecomputeExposures, (pointer)pRegion);
	    }

	    /*
	     * remove the successfully copied regions of the
	     * window from its exposed region
	     */

	    if (g == pWin->bitGravity)
		REGION_SUBTRACT(pScreen, &pWin->valdata->after.exposed,
				     &pWin->valdata->after.exposed, gravitate[g]);
	    if (!destClip)
		destClip = gravitate[g];
	    else
	    {
		REGION_UNION(pScreen, destClip, destClip, gravitate[g]);
		REGION_DESTROY(pScreen, gravitate[g]);
	    }
	}

	REGION_DESTROY(pScreen, oldRegion);
	REGION_DESTROY(pScreen, pRegion);
	if (destClip)
	    REGION_DESTROY(pScreen, destClip);
	if (anyMarked)
	    (*pScreen->HandleExposures)(pLayerWin->parent);
	if (anyMarked && pScreen->PostValidateTree)
	    (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstChange,
					  VTOther);
    }
    if (pWin->realized)
	WindowsRestructured ();
}
Beispiel #5
0
void
miMoveWindow(WindowPtr pWin, int x, int y, WindowPtr pNextSib, VTKind kind)
{
    WindowPtr pParent;
    Bool WasViewable = (Bool)(pWin->viewable);
    short bw;
    RegionPtr oldRegion = NULL;
    DDXPointRec oldpt;
    Bool anyMarked = FALSE;
    ScreenPtr pScreen;
    WindowPtr windowToValidate;
    WindowPtr pLayerWin;

    /* if this is a root window, can't be moved */
    if (!(pParent = pWin->parent))
       return ;
    pScreen = pWin->drawable.pScreen;
    bw = wBorderWidth (pWin);

    oldpt.x = pWin->drawable.x;
    oldpt.y = pWin->drawable.y;
    if (WasViewable)
    {
	oldRegion = REGION_CREATE(pScreen, NullBox, 1);
	REGION_COPY(pScreen, oldRegion, &pWin->borderClip);
	anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin, &pLayerWin);
    }
    pWin->origin.x = x + (int)bw;
    pWin->origin.y = y + (int)bw;
    x = pWin->drawable.x = pParent->drawable.x + x + (int)bw;
    y = pWin->drawable.y = pParent->drawable.y + y + (int)bw;

    SetWinSize (pWin);
    SetBorderSize (pWin);

    (*pScreen->PositionWindow)(pWin, x, y);

    windowToValidate = MoveWindowInStack(pWin, pNextSib);

    ResizeChildrenWinSize(pWin, x - oldpt.x, y - oldpt.y, 0, 0);

    if (WasViewable)
    {
	if (pLayerWin == pWin)
	    anyMarked |= (*pScreen->MarkOverlappedWindows)
				(pWin, windowToValidate, NULL);
	else
	    anyMarked |= (*pScreen->MarkOverlappedWindows)
				(pWin, pLayerWin, NULL);


	if (anyMarked)
	{
	    (*pScreen->ValidateTree)(pLayerWin->parent, NullWindow, kind);
	    (* pWin->drawable.pScreen->CopyWindow)(pWin, oldpt, oldRegion);
	    REGION_DESTROY(pScreen, oldRegion);
	    /* XXX need to retile border if ParentRelative origin */
	    (*pScreen->HandleExposures)(pLayerWin->parent);
	}
	if (anyMarked && pScreen->PostValidateTree)
	    (*pScreen->PostValidateTree)(pLayerWin->parent, NullWindow, kind);
    }
    if (pWin->realized)
	WindowsRestructured ();
}
Beispiel #6
0
void
KdSetRootClip (ScreenPtr pScreen, BOOL enable)
{
#ifndef FB_OLD_SCREEN
    WindowPtr	pWin = WindowTable[pScreen->myNum];
    WindowPtr	pChild;
    Bool	WasViewable;
    Bool	anyMarked = FALSE;
    RegionPtr	pOldClip = 0, bsExposed;
#ifdef DO_SAVE_UNDERS
    Bool	dosave = FALSE;
#endif
    WindowPtr   pLayerWin;
    BoxRec	box;

    if (!pWin)
	return;
    WasViewable = (Bool)(pWin->viewable);
    if (WasViewable)
    {
	for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
	{
	    (void) (*pScreen->MarkOverlappedWindows)(pChild,
						     pChild,
						     &pLayerWin);
	}
	(*pScreen->MarkWindow) (pWin);
	anyMarked = TRUE;
	if (pWin->valdata)
	{
	    if (HasBorder (pWin))
	    {
		RegionPtr	borderVisible;

		borderVisible = REGION_CREATE(pScreen, NullBox, 1);
		REGION_SUBTRACT(pScreen, borderVisible,
				&pWin->borderClip, &pWin->winSize);
		pWin->valdata->before.borderVisible = borderVisible;
	    }
	    pWin->valdata->before.resized = TRUE;
	}
    }

    if (enable)
    {
	box.x1 = 0;
	box.y1 = 0;
	box.x2 = pScreen->width;
	box.y2 = pScreen->height;
	pWin->drawable.width = pScreen->width;
	pWin->drawable.height = pScreen->height;
	REGION_INIT (pScreen, &pWin->winSize, &box, 1);
	REGION_INIT (pScreen, &pWin->borderSize, &box, 1);
	REGION_RESET(pScreen, &pWin->borderClip, &box);
	REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
    }
    else
    {
	REGION_EMPTY(pScreen, &pWin->borderClip);
	REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
    }
    
    ResizeChildrenWinSize (pWin, 0, 0, 0, 0);
    
    if (WasViewable)
    {
	if (pWin->backStorage)
	{
	    pOldClip = REGION_CREATE(pScreen, NullBox, 1);
	    REGION_COPY(pScreen, pOldClip, &pWin->clipList);
	}

	if (pWin->firstChild)
	{
	    anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin->firstChild,
							   pWin->firstChild,
							   (WindowPtr *)NULL);
	}
	else
	{
	    (*pScreen->MarkWindow) (pWin);
	    anyMarked = TRUE;
	}

#ifdef DO_SAVE_UNDERS
	if (DO_SAVE_UNDERS(pWin))
	{
	    dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, pLayerWin);
	}
#endif /* DO_SAVE_UNDERS */

	if (anyMarked)
	    (*pScreen->ValidateTree)(pWin, NullWindow, VTOther);
    }

    if (pWin->backStorage &&
	((pWin->backingStore == Always) || WasViewable))
    {
	if (!WasViewable)
	    pOldClip = &pWin->clipList; /* a convenient empty region */
	bsExposed = (*pScreen->TranslateBackingStore)
			     (pWin, 0, 0, pOldClip,
			      pWin->drawable.x, pWin->drawable.y);
	if (WasViewable)
	    REGION_DESTROY(pScreen, pOldClip);
	if (bsExposed)
	{
	    RegionPtr	valExposed = NullRegion;
    
	    if (pWin->valdata)
		valExposed = &pWin->valdata->after.exposed;
	    (*pScreen->WindowExposures) (pWin, valExposed, bsExposed);
	    if (valExposed)
		REGION_EMPTY(pScreen, valExposed);
	    REGION_DESTROY(pScreen, bsExposed);
	}
    }
    if (WasViewable)
    {
	if (anyMarked)
	    (*pScreen->HandleExposures)(pWin);
#ifdef DO_SAVE_UNDERS
	if (dosave)
	    (*pScreen->PostChangeSaveUnder)(pLayerWin, pLayerWin);
#endif /* DO_SAVE_UNDERS */
	if (anyMarked && pScreen->PostValidateTree)
	    (*pScreen->PostValidateTree)(pWin, NullWindow, VTOther);
    }
    if (pWin->realized)
	WindowsRestructured ();
#endif	/* !FB_OLD_SCREEN */
}
Beispiel #7
0
static void
xf86SetRootClip (ScreenPtr pScreen, Bool enable)
{
#if XORG < 19
    WindowPtr	pWin = WindowTable[pScreen->myNum];
#else
    WindowPtr	pWin = pScreen->root;
#endif
    WindowPtr	pChild;
    Bool	WasViewable = (Bool)(pWin->viewable);
    Bool	anyMarked = FALSE;
#if XORG < 110
    RegionPtr	pOldClip = NULL, bsExposed;
#ifdef DO_SAVE_UNDERS
    Bool	dosave = FALSE;
#endif
#endif
    WindowPtr   pLayerWin;
    BoxRec	box;

    if (WasViewable)
    {
	for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
	{
	    (void) (*pScreen->MarkOverlappedWindows)(pChild,
						     pChild,
						     &pLayerWin);
	}
	(*pScreen->MarkWindow) (pWin);
	anyMarked = TRUE;
	if (pWin->valdata)
	{
	    if (HasBorder (pWin))
	    {
		RegionPtr	borderVisible;

		borderVisible = REGION_CREATE(pScreen, NullBox, 1);
		REGION_SUBTRACT(pScreen, borderVisible,
				&pWin->borderClip, &pWin->winSize);
		pWin->valdata->before.borderVisible = borderVisible;
	    }
	    pWin->valdata->before.resized = TRUE;
	}
    }
    
    /*
     * Use REGION_BREAK to avoid optimizations in ValidateTree
     * that assume the root borderClip can't change well, normally
     * it doesn't...)
     */
    if (enable)
    {
	box.x1 = 0;
	box.y1 = 0;
	box.x2 = pScreen->width;
	box.y2 = pScreen->height;
	REGION_INIT (pScreen, &pWin->winSize, &box, 1);
	REGION_INIT (pScreen, &pWin->borderSize, &box, 1);
	if (WasViewable)
	    REGION_RESET(pScreen, &pWin->borderClip, &box);
	pWin->drawable.width = pScreen->width;
	pWin->drawable.height = pScreen->height;
        REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
    }
    else
    {
	REGION_EMPTY(pScreen, &pWin->borderClip);
	REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
    }
    
    ResizeChildrenWinSize (pWin, 0, 0, 0, 0);
    
    if (WasViewable)
    {
#if XORG < 110
	if (pWin->backStorage)
	{
	    pOldClip = REGION_CREATE(pScreen, NullBox, 1);
	    REGION_COPY(pScreen, pOldClip, &pWin->clipList);
	}
#endif

	if (pWin->firstChild)
	{
	    anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin->firstChild,
							   pWin->firstChild,
							   (WindowPtr *)NULL);
	}
	else
	{
	    (*pScreen->MarkWindow) (pWin);
	    anyMarked = TRUE;
	}

#if XORG < 110 && defined(DO_SAVE_UNDERS)
	if (DO_SAVE_UNDERS(pWin))
	{
	    dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, pLayerWin);
	}
#endif /* DO_SAVE_UNDERS */

	if (anyMarked)
	    (*pScreen->ValidateTree)(pWin, NullWindow, VTOther);
    }

#if XORG < 110
    if (pWin->backStorage &&
	((pWin->backingStore == Always) || WasViewable))
    {
	if (!WasViewable)
	    pOldClip = &pWin->clipList; /* a convenient empty region */
	bsExposed = (*pScreen->TranslateBackingStore)
			     (pWin, 0, 0, pOldClip,
			      pWin->drawable.x, pWin->drawable.y);
	if (WasViewable)
	    REGION_DESTROY(pScreen, pOldClip);
	if (bsExposed)
	{
	    RegionPtr	valExposed = NullRegion;
    
	    if (pWin->valdata)
		valExposed = &pWin->valdata->after.exposed;
	    (*pScreen->WindowExposures) (pWin, valExposed, bsExposed);
	    if (valExposed)
		REGION_EMPTY(pScreen, valExposed);
	    REGION_DESTROY(pScreen, bsExposed);
	}
    }
#endif
    if (WasViewable)
    {
	if (anyMarked)
	    (*pScreen->HandleExposures)(pWin);

#if XORG < 110 && defined(DO_SAVE_UNDERS)
	if (dosave)
	    (*pScreen->PostChangeSaveUnder)(pLayerWin, pLayerWin);
#endif /* DO_SAVE_UNDERS */
	if (anyMarked && pScreen->PostValidateTree)
	    (*pScreen->PostValidateTree)(pWin, NullWindow, VTOther);
    }
    if (pWin->realized)
	WindowsRestructured ();
    FlushAllOutput ();
}