Merge branch 'uli42-pr/drop_nxmiexpose' into 3.6.x

Attributes GH PR #812: https://github.com/ArcticaProject/nx-libs/pull/812

3 files changed, 0 insertions, 768 deletions

diff --git a/nx-X11/programs/Xserver/hw/nxagent/Imakefile b/nx-X11/programs/Xserver/hw/nxagent/Imakefile
index c14b59a2c..5a3a999f4 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Imakefile
+++ b/nx-X11/programs/Xserver/hw/nxagent/Imakefile
@@ -20,7 +20,6 @@ SRCS =  \
 	NXshm.c \
         NXglxext.c \
         NXxvdisp.c \
-        NXmiexpose.c \
         NXresource.c \
 	NXdamage.c \
 	NXmitrap.c \
@@ -81,7 +80,6 @@ OBJS =  \
 	NXshm.o \
         NXglxext.o \
         NXxvdisp.o \
-        NXmiexpose.o \
         NXresource.o \
 	NXdamage.o \
 	NXmitrap.o \
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXmiexpose.c b/nx-X11/programs/Xserver/hw/nxagent/NXmiexpose.c
deleted file mode 100644
index 48b565564..000000000
--- a/nx-X11/programs/Xserver/hw/nxagent/NXmiexpose.c
+++ /dev/null
@@ -1,747 +0,0 @@
-/**************************************************************************/
-/*                                                                        */
-/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com)          */
-/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de>  */
-/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
-/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de>                */
-/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de>                 */
-/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com)           */
-/*                                                                        */
-/* NXAGENT, NX protocol compression and NX extensions to this software    */
-/* are copyright of the aforementioned persons and companies.             */
-/*                                                                        */
-/* Redistribution and use of the present software is allowed according    */
-/* to terms specified in the file LICENSE which comes in the source       */
-/* distribution.                                                          */
-/*                                                                        */
-/* All rights reserved.                                                   */
-/*                                                                        */
-/* NOTE: This software has received contributions from various other      */
-/* contributors, only the core maintainers and supporters are listed as   */
-/* copyright holders. Please contact us, if you feel you should be listed */
-/* as copyright holder, as well.                                          */
-/*                                                                        */
-/**************************************************************************/
-
-/***********************************************************
-
-Copyright 1987, 1998  The Open Group
-
-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.
-
-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
-OPEN GROUP 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 of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
-
-
-Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
-
-                        All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its 
-documentation for any purpose and without fee is hereby granted, 
-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 Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.  
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL 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.
-
-******************************************************************/
-/*****************************************************************
-
-Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
-
-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.
-
-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
-DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
-BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL 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 of Digital Equipment Corporation
-shall not be used in advertising or otherwise to promote the sale, use or other
-dealings in this Software without prior written authorization from Digital
-Equipment Corporation.
-
-******************************************************************/
-
-
-#include "Windows.h"
-
-#include "../../mi/miexpose.c"
-
-/* miHandleExposures 
-    generate a region for exposures for areas that were copied from obscured or
-non-existent areas to non-obscured areas of the destination.  Paint the
-background for the region, if the destination is a window.
-
-NOTE:
-     this should generally be called, even if graphicsExposures is false,
-because this is where bits get recovered from backing store.
-
-NOTE:
-     added argument 'plane' is used to indicate how exposures from backing
-store should be accomplished. If plane is 0 (i.e. no bit plane), CopyArea
-should be used, else a CopyPlane of the indicated plane will be used. The
-exposing is done by the backing store's GraphicsExpose function, of course.
-
-*/
-
-RegionPtr
-miHandleExposures(pSrcDrawable, pDstDrawable,
-		  pGC, srcx, srcy, width, height, dstx, dsty, plane)
-    register DrawablePtr	pSrcDrawable;
-    register DrawablePtr	pDstDrawable;
-    GCPtr 			pGC;
-    int 			srcx, srcy;
-    int 			width, height;
-    int 			dstx, dsty;
-    unsigned long		plane;
-{
-    register ScreenPtr pscr;
-    RegionPtr prgnSrcClip;	/* drawable-relative source clip */
-    RegionRec rgnSrcRec;
-    RegionPtr prgnDstClip;	/* drawable-relative dest clip */
-    RegionRec rgnDstRec;
-    BoxRec srcBox;		/* unclipped source */
-    RegionRec rgnExposed;	/* exposed region, calculated source-
-				   relative, made dst relative to
-				   intersect with visible parts of
-				   dest and send events to client, 
-				   and then screen relative to paint 
-				   the window background
-				*/
-    WindowPtr pSrcWin;
-    BoxRec expBox;
-    Bool extents;
-
-    /*
-     * Set the elements reported by the compiler
-     * as uninitialized.
-     */
-
-    expBox.x1 = 0;
-    expBox.y1 = 0;
-    expBox.x2 = 0;
-    expBox.y2 = 0;
-
-    /* This prevents warning about pscr not being used. */
-    pGC->pScreen = pscr = pGC->pScreen;
-
-    /* avoid work if we can */
-    if (!pGC->graphicsExposures &&
-	(pDstDrawable->type == DRAWABLE_PIXMAP) &&
-	((pSrcDrawable->type == DRAWABLE_PIXMAP) ||
-	 (((WindowPtr)pSrcDrawable)->backStorage == NULL)))
-	return NULL;
-	
-    srcBox.x1 = srcx;
-    srcBox.y1 = srcy;
-    srcBox.x2 = srcx+width;
-    srcBox.y2 = srcy+height;
-
-    if (pSrcDrawable->type != DRAWABLE_PIXMAP)
-    {
-	BoxRec TsrcBox;
-
-	TsrcBox.x1 = srcx + pSrcDrawable->x;
-	TsrcBox.y1 = srcy + pSrcDrawable->y;
-	TsrcBox.x2 = TsrcBox.x1 + width;
-	TsrcBox.y2 = TsrcBox.y1 + height;
-	pSrcWin = (WindowPtr) pSrcDrawable;
-	if (pGC->subWindowMode == IncludeInferiors)
- 	{
-	    prgnSrcClip = NotClippedByChildren (pSrcWin);
-	    if ((RegionContainsRect(prgnSrcClip, &TsrcBox)) == rgnIN)
-	    {
-		RegionDestroy(prgnSrcClip);
-		return NULL;
-	    }
-	}
- 	else
- 	{
-	    if ((RegionContainsRect(&pSrcWin->clipList, &TsrcBox)) == rgnIN)
-		return NULL;
-	    prgnSrcClip = &rgnSrcRec;
-	    RegionNull(prgnSrcClip);
-	    RegionCopy(prgnSrcClip, &pSrcWin->clipList);
-	}
-	RegionTranslate(prgnSrcClip,
-				-pSrcDrawable->x, -pSrcDrawable->y);
-    }
-    else
-    {
-	BoxRec	box;
-
-	if ((srcBox.x1 >= 0) && (srcBox.y1 >= 0) &&
-	    (srcBox.x2 <= pSrcDrawable->width) &&
- 	    (srcBox.y2 <= pSrcDrawable->height))
-	    return NULL;
-
-	box.x1 = 0;
-	box.y1 = 0;
-	box.x2 = pSrcDrawable->width;
-	box.y2 = pSrcDrawable->height;
-	prgnSrcClip = &rgnSrcRec;
-	RegionInit(prgnSrcClip, &box, 1);
-	pSrcWin = (WindowPtr)NULL;
-    }
-
-    if (pDstDrawable == pSrcDrawable)
-    {
-	prgnDstClip = prgnSrcClip;
-    }
-    else if (pDstDrawable->type != DRAWABLE_PIXMAP)
-    {
-	if (pGC->subWindowMode == IncludeInferiors)
-	{
-	    prgnDstClip = NotClippedByChildren((WindowPtr)pDstDrawable);
-	}
-	else
-	{
-	    prgnDstClip = &rgnDstRec;
-	    RegionNull(prgnDstClip);
-	    RegionCopy(prgnDstClip,
-				&((WindowPtr)pDstDrawable)->clipList);
-	}
-	RegionTranslate(prgnDstClip,
-				 -pDstDrawable->x, -pDstDrawable->y);
-    }
-    else
-    {
-	BoxRec	box;
-
-	box.x1 = 0;
-	box.y1 = 0;
-	box.x2 = pDstDrawable->width;
-	box.y2 = pDstDrawable->height;
-	prgnDstClip = &rgnDstRec;
-	RegionInit(prgnDstClip, &box, 1);
-    }
-
-    /* drawable-relative source region */
-    RegionInit(&rgnExposed, &srcBox, 1);
-
-    /* now get the hidden parts of the source box*/
-    RegionSubtract(&rgnExposed, &rgnExposed, prgnSrcClip);
-
-    if (pSrcWin && pSrcWin->backStorage)
-    {
-	/*
-	 * Copy any areas from the source backing store. Modifies
-	 * rgnExposed.
-	 */
-	(* pSrcWin->drawable.pScreen->ExposeCopy) ((WindowPtr)pSrcDrawable,
-					      pDstDrawable,
-					      pGC,
-					      &rgnExposed,
-					      srcx, srcy,
-					      dstx, dsty,
-					      plane);
-    }
-    
-    /* move them over the destination */
-    RegionTranslate(&rgnExposed, dstx-srcx, dsty-srcy);
-
-    /* intersect with visible areas of dest */
-    RegionIntersect(&rgnExposed, &rgnExposed, prgnDstClip);
-
-    /*
-     * If we have LOTS of rectangles, we decide to take the extents
-     * and force an exposure on that.  This should require much less
-     * work overall, on both client and server.  This is cheating, but
-     * isn't prohibited by the protocol ("spontaneous combustion" :-)
-     * for windows.
-     */
-    extents = pGC->graphicsExposures &&
-	      (RegionNumRects(&rgnExposed) > RECTLIMIT) &&
-	      (pDstDrawable->type != DRAWABLE_PIXMAP);
-#ifdef SHAPE
-    if (pSrcWin)
-    {
-	RegionPtr	region;
-    	if (!(region = wClipShape (pSrcWin)))
-    	    region = wBoundingShape (pSrcWin);
-    	/*
-     	 * If you try to CopyArea the extents of a shaped window, compacting the
-     	 * exposed region will undo all our work!
-     	 */
-    	if (extents && pSrcWin && region &&
-	    (RegionContainsRect(region, &srcBox) != rgnIN))
-	    	extents = FALSE;
-    }
-#endif
-    if (extents)
-    {
-	WindowPtr pWin = (WindowPtr)pDstDrawable;
-
-	expBox = *RegionExtents(&rgnExposed);
-	RegionReset(&rgnExposed, &expBox);
-	/* need to clear out new areas of backing store */
-	if (pWin->backStorage)
-	    (void) (* pWin->drawable.pScreen->ClearBackingStore)(
-					 pWin,
-					 expBox.x1,
-					 expBox.y1,
-					 expBox.x2 - expBox.x1,
-					 expBox.y2 - expBox.y1,
-					 FALSE);
-    }
-    if ((pDstDrawable->type != DRAWABLE_PIXMAP) &&
-	(((WindowPtr)pDstDrawable)->backgroundState != None))
-    {
-	WindowPtr pWin = (WindowPtr)pDstDrawable;
-
-	/* make the exposed area screen-relative */
-	RegionTranslate(&rgnExposed,
-				 pDstDrawable->x, pDstDrawable->y);
-
-	if (extents)
-	{
-	    /* PaintWindowBackground doesn't clip, so we have to */
-	    RegionIntersect(&rgnExposed, &rgnExposed, &pWin->clipList);
-	}
-	(*pWin->drawable.pScreen->PaintWindowBackground)(
-			(WindowPtr)pDstDrawable, &rgnExposed, PW_BACKGROUND);
-
-	if (extents)
-	{
-	    RegionReset(&rgnExposed, &expBox);
-	}
-	else
-	    RegionTranslate(&rgnExposed,
-				     -pDstDrawable->x, -pDstDrawable->y);
-    }
-    if (prgnDstClip == &rgnDstRec)
-    {
-	RegionUninit(prgnDstClip);
-    }
-    else if (prgnDstClip != prgnSrcClip)
-    {
-	RegionDestroy(prgnDstClip);
-    }
-
-    if (prgnSrcClip == &rgnSrcRec)
-    {
-	RegionUninit(prgnSrcClip);
-    }
-    else
-    {
-	RegionDestroy(prgnSrcClip);
-    }
-
-    if (pGC->graphicsExposures)
-    {
-	/* don't look */
-	RegionPtr exposed = RegionCreate(NullBox, 0);
-	*exposed = rgnExposed;
-	return exposed;
-    }
-    else
-    {
-	RegionUninit(&rgnExposed);
-	return NULL;
-    }
-}
-
-void 
-miWindowExposures(pWin, prgn, other_exposed)
-    WindowPtr pWin;
-    register RegionPtr prgn, other_exposed;
-{
-
-    int total;
-
-    RegionPtr   exposures = prgn;
-    if (pWin->backStorage && prgn)
-	/*
-	 * in some cases, backing store will cause a different
-	 * region to be exposed than needs to be repainted
-	 * (like when a window is mapped).  RestoreAreas is
-	 * allowed to return a region other than prgn,
-	 * in which case this routine will free the resultant
-	 * region.  If exposures is null, then no events will
-	 * be sent to the client; if prgn is empty
-	 * no areas will be repainted.
-	 */
-	exposures = (*pWin->drawable.pScreen->RestoreAreas)(pWin, prgn);
-    if ((prgn && !RegionNil(prgn)) || 
-	(exposures && !RegionNil(exposures)) || other_exposed)
-    {
-	RegionRec   expRec;
-	int	    clientInterested;
-
-	/*
-	 * Restore from backing-store FIRST.
-	 */
-	clientInterested = (pWin->eventMask|wOtherEventMasks(pWin)) & ExposureMask;
-	if (other_exposed)
-	{
-	    if (exposures)
-	    {
-		RegionUnion(other_exposed,
-						  exposures,
-					          other_exposed);
-		if (exposures != prgn)
-		    RegionDestroy(exposures);
-	    }
-	    exposures = other_exposed;
-	}
-
-        /*
-         * If the number of rectangles is greater
-         * than 4, let the function decide.
-         */
-
-        total = RegionNumRects(exposures);
-
-        if (clientInterested && exposures && (total > RECTLIMIT ||
-                (total > 4 && nxagentExtentsPredicate(total) == 1)))
-	{
-	    /*
-	     * If we have LOTS of rectangles, we decide to take the extents
-	     * and force an exposure on that.  This should require much less
-	     * work overall, on both client and server.  This is cheating, but
-	     * isn't prohibited by the protocol ("spontaneous combustion" :-).
-	     */
-	    BoxRec box;
-
-	    box = *RegionExtents(exposures);
-	    if (exposures == prgn) {
-		exposures = &expRec;
-		RegionInit(exposures, &box, 1);
-		RegionReset(prgn, &box);
-	    } else {
-		RegionReset(exposures, &box);
-		RegionUnion(prgn, prgn, exposures);
-	    }
-	    /* PaintWindowBackground doesn't clip, so we have to */
-	    RegionIntersect(prgn, prgn, &pWin->clipList);
-	    /* need to clear out new areas of backing store, too */
-	    if (pWin->backStorage)
-		(void) (* pWin->drawable.pScreen->ClearBackingStore)(
-					     pWin,
-					     box.x1 - pWin->drawable.x,
-					     box.y1 - pWin->drawable.y,
-					     box.x2 - box.x1,
-					     box.y2 - box.y1,
-					     FALSE);
-	}
-	if (prgn && !RegionNil(prgn))
-	    (*pWin->drawable.pScreen->PaintWindowBackground)(pWin, prgn, PW_BACKGROUND);
-	if (clientInterested && exposures && !RegionNil(exposures))
-	    miSendExposures(pWin, exposures,
-			    pWin->drawable.x, pWin->drawable.y);
-	if (exposures == &expRec)
-	{
-	    RegionUninit(exposures);
-	}
-	else if (exposures && exposures != prgn && exposures != other_exposed)
-	    RegionDestroy(exposures);
-	if (prgn)
-	    RegionEmpty(prgn);
-    }
-    else if (exposures && exposures != prgn)
-	RegionDestroy(exposures);
-}
-
-void
-miPaintWindow(pWin, prgn, what)
-register WindowPtr pWin;
-RegionPtr prgn;
-int what;
-{
-    int	status;
-
-    Bool usingScratchGC = FALSE;
-    WindowPtr pRoot;
-	
-#define FUNCTION	0
-#define FOREGROUND	1
-#define TILE		2
-#define FILLSTYLE	3
-#define ABSX		4
-#define ABSY		5
-#define CLIPMASK	6
-#define SUBWINDOW	7
-#define COUNT_BITS	8
-
-    ChangeGCVal gcval[7];
-    ChangeGCVal newValues [COUNT_BITS] = {{ 0 }};
-
-    BITS32 gcmask, index, mask;
-    RegionRec prgnWin;
-    DDXPointRec oldCorner;
-    BoxRec box = {0};
-    WindowPtr	pBgWin;
-    GCPtr pGC;
-    register int i;
-    register BoxPtr pbox;
-    register ScreenPtr pScreen = pWin->drawable.pScreen;
-    register xRectangle *prect;
-    int numRects;
-
-    /*
-     * Set the elements reported by the compiler
-     * as uninitialized.
-     */
-
-    prgnWin.extents.x1 = 0;
-    prgnWin.extents.y1 = 0;
-    prgnWin.extents.x2 = 0;
-    prgnWin.extents.y2 = 0;
-
-    prgnWin.data = NULL;
-
-    oldCorner.x = 0;
-    oldCorner.y = 0;
-
-    gcmask = 0;
-
-    if (what == PW_BACKGROUND)
-    {
-	switch (pWin->backgroundState) {
-	case None:
-	    return;
-	case ParentRelative:
-	    (*pWin->parent->drawable.pScreen->PaintWindowBackground)(pWin->parent, prgn, what);
-	    return;
-	case BackgroundPixel:
-	    newValues[FOREGROUND].val = pWin->background.pixel;
-	    newValues[FILLSTYLE].val  = FillSolid;
-	    gcmask |= GCForeground | GCFillStyle;
-	    break;
-	case BackgroundPixmap:
-	    newValues[TILE].ptr = (void *)pWin->background.pixmap;
-	    newValues[FILLSTYLE].val = FillTiled;
-	    gcmask |= GCTile | GCFillStyle | GCTileStipXOrigin | GCTileStipYOrigin;
-	    break;
-	}
-    }
-    else
-    {
-	if (pWin->borderIsPixel)
-	{
-	    newValues[FOREGROUND].val = pWin->border.pixel;
-	    newValues[FILLSTYLE].val  = FillSolid;
-	    gcmask |= GCForeground | GCFillStyle;
-	}
-	else
-	{
-	    newValues[TILE].ptr = (void *)pWin->border.pixmap;
-	    newValues[FILLSTYLE].val = FillTiled;
-	    gcmask |= GCTile | GCFillStyle | GCTileStipXOrigin | GCTileStipYOrigin;
-	}
-    }
-
-    prect = (xRectangle *)calloc(RegionNumRects(prgn), sizeof(xRectangle));
-    if (!prect)
-	return;
-
-    newValues[FUNCTION].val = GXcopy;
-    gcmask |= GCFunction | GCClipMask;
-
-    i = pScreen->myNum;
-    pRoot = screenInfo.screens[i]->root;
-
-    pBgWin = pWin;
-    if (what == PW_BORDER)
-    {
-	while (pBgWin->backgroundState == ParentRelative)
-	    pBgWin = pBgWin->parent;
-    }
-
-    if ((pWin->drawable.depth != pRoot->drawable.depth) ||
-	(pWin->drawable.bitsPerPixel != pRoot->drawable.bitsPerPixel))
-    {
-	usingScratchGC = TRUE;
-	pGC = GetScratchGC(pWin->drawable.depth, pWin->drawable.pScreen);
-	if (!pGC)
-	{
-	    free(prect);
-	    return;
-	}
-	/*
-	 * mash the clip list so we can paint the border by
-	 * mangling the window in place, pretending it
-	 * spans the entire screen
-	 */
-	if (what == PW_BORDER)
-	{
-	    prgnWin = pWin->clipList;
-	    oldCorner.x = pWin->drawable.x;
-	    oldCorner.y = pWin->drawable.y;
-	    pWin->drawable.x = pWin->drawable.y = 0;
-	    box.x1 = 0;
-	    box.y1 = 0;
-	    box.x2 = pScreen->width;
-	    box.y2 = pScreen->height;
-	    RegionInit(&pWin->clipList, &box, 1);
-	    pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER;
-	    newValues[ABSX].val = pBgWin->drawable.x;
-	    newValues[ABSY].val = pBgWin->drawable.y;
-	}
-	else
-	{
-	    newValues[ABSX].val = 0;
-	    newValues[ABSY].val = 0;
-	}
-    } else {
-	/*
-	 * draw the background to the root window
-	 */
-	if (screenContext[i] == (GCPtr)NULL)
-	{
-	    if (!ResType && !(ResType = CreateNewResourceType(tossGC)))
-		return;
-	    screenContext[i] = CreateGC((DrawablePtr)pWin, (BITS32) 0,
-					(XID *)NULL, &status);
-	    if (!screenContext[i]) {
-		free(prect);
-		return;
-	    }
-	    numGCs++;
-	    if (!AddResource(FakeClientID(0), ResType,
-			     (void *)screenContext[i]))
-	    {
-		free(prect);
-		return;
-	    }
-	}
-	pGC = screenContext[i];
-	newValues[SUBWINDOW].val = IncludeInferiors;
-	newValues[ABSX].val = pBgWin->drawable.x;
-	newValues[ABSY].val = pBgWin->drawable.y;
-	gcmask |= GCSubwindowMode;
-	pWin = pRoot;
-    }
-    
-    if (pWin->backStorage)
-	(*pWin->drawable.pScreen->DrawGuarantee) (pWin, pGC, GuaranteeVisBack);
-
-    mask = gcmask;
-    gcmask = 0;
-    i = 0;
-    while (mask) {
-    	index = lowbit (mask);
-	mask &= ~index;
-	switch (index) {
-	case GCFunction:
-	    if (pGC->alu != newValues[FUNCTION].val) {
-		gcmask |= index;
-		gcval[i++].val = newValues[FUNCTION].val;
-	    }
-	    break;
-	case GCTileStipXOrigin:
-	    if ( pGC->patOrg.x != newValues[ABSX].val) {
-		gcmask |= index;
-		gcval[i++].val = newValues[ABSX].val;
-	    }
-	    break;
-	case GCTileStipYOrigin:
-	    if ( pGC->patOrg.y != newValues[ABSY].val) {
-		gcmask |= index;
-		gcval[i++].val = newValues[ABSY].val;
-	    }
-	    break;
-	case GCClipMask:
-	    if ( pGC->clientClipType != CT_NONE) {
-		gcmask |= index;
-		gcval[i++].val = CT_NONE;
-	    }
-	    break;
-	case GCSubwindowMode:
-	    if ( pGC->subWindowMode != newValues[SUBWINDOW].val) {
-		gcmask |= index;
-		gcval[i++].val = newValues[SUBWINDOW].val;
-	    }
-	    break;
-	case GCTile:
-	    if (pGC->tileIsPixel || pGC->tile.pixmap != newValues[TILE].ptr)
- 	    {
-		gcmask |= index;
-		gcval[i++].ptr = newValues[TILE].ptr;
-	    }
-	    break;
-	case GCFillStyle:
-	    if ( pGC->fillStyle != newValues[FILLSTYLE].val) {
-		gcmask |= index;
-		gcval[i++].val = newValues[FILLSTYLE].val;
-	    }
-	    break;
-	case GCForeground:
-	    if ( pGC->fgPixel != newValues[FOREGROUND].val) {
-		gcmask |= index;
-		gcval[i++].val = newValues[FOREGROUND].val;
-	    }
-	    break;
-	}
-    }
-
-    if (gcmask)
-        dixChangeGC(NullClient, pGC, gcmask, NULL, gcval);
-
-    if (pWin->drawable.serialNumber != pGC->serialNumber)
-	ValidateGC((DrawablePtr)pWin, pGC);
-
-    numRects = RegionNumRects(prgn);
-    pbox = RegionRects(prgn);
-    for (i= numRects; --i >= 0; pbox++, prect++)
-    {
-	prect->x = pbox->x1 - pWin->drawable.x;
-	prect->y = pbox->y1 - pWin->drawable.y;
-	prect->width = pbox->x2 - pbox->x1;
-	prect->height = pbox->y2 - pbox->y1;
-    }
-    prect -= numRects;
-    (*pGC->ops->PolyFillRect)((DrawablePtr)pWin, pGC, numRects, prect);
-    free(prect);
-
-    if (pWin->backStorage)
-	(*pWin->drawable.pScreen->DrawGuarantee) (pWin, pGC, GuaranteeNothing);
-
-    if (usingScratchGC)
-    {
-	if (what == PW_BORDER)
-	{
-	    RegionUninit(&pWin->clipList);
-	    pWin->clipList = prgnWin;
-	    pWin->drawable.x = oldCorner.x;
-	    pWin->drawable.y = oldCorner.y;
-	    pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER;
-	}
-	FreeScratchGC(pGC);
-    }
-}
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Window.c b/nx-X11/programs/Xserver/hw/nxagent/Window.c
index c5c533934..8307c3de4 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Window.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Window.c
@@ -3484,26 +3484,7 @@ void nxagentSetTopLevelEventMask(WindowPtr pWin)
 }
 
 /*
- * This function must return 1 if we want the
- * exposures to be sent as the window's extents.
- * This is actually a harmless, but useful hack,
- * as it speeds up the window redraws considera-
- * bly, when using a very popular WM theme.
  */
-
-int nxagentExtentsPredicate(int total)
-{
-  #ifdef TEST
-  if (total == 6 || total == 11 || total == 10)
-  {
-    fprintf(stderr, "nxagentExtentsPredicate: WARNING! Returning [%d] with [%d] rectangles.\n",
-                (total == 6 || total == 11 || total == 10), total);
-  }
-  #endif
-
-  return (total == 6 || total == 11 || total == 10);
-}
-
 void nxagentFlushConfigureWindow(void)
 {
   ConfiguredWindowStruct *index;