xserver git update 15/5/2010

1 files changed, 1284 insertions, 1284 deletions

diff --git a/xorg-server/Xext/panoramiX.c b/xorg-server/Xext/panoramiX.c
index d5965c2d0..e26aadc95 100644
--- a/xorg-server/Xext/panoramiX.c
+++ b/xorg-server/Xext/panoramiX.c
@@ -1,1284 +1,1284 @@
-/*****************************************************************
-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.
-******************************************************************/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include <stdio.h>
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include <X11/Xarch.h>
-#include "misc.h"
-#include "cursor.h"
-#include "cursorstr.h"
-#include "extnsionst.h"
-#include "dixstruct.h"
-#include "gc.h"
-#include "gcstruct.h"
-#include "scrnintstr.h"
-#include "window.h"
-#include "windowstr.h"
-#include "pixmapstr.h"
-#include "panoramiX.h"
-#include <X11/extensions/panoramiXproto.h>
-#include "panoramiXsrv.h"
-#include "globals.h"
-#include "servermd.h"
-#include "resource.h"
-#include "picturestr.h"
-#include "modinit.h"
-#include "protocol-versions.h"
-
-#ifdef GLXPROXY
-extern VisualPtr glxMatchVisual(ScreenPtr pScreen,
-				VisualPtr pVisual,
-				ScreenPtr pMatchScreen);
-#endif
-
-/*
- *	PanoramiX data declarations
- */
-
-int 		PanoramiXPixWidth = 0;
-int 		PanoramiXPixHeight = 0;
-int 		PanoramiXNumScreens = 0;
-
-PanoramiXData *panoramiXdataPtr = NULL;
-static RegionRec   	PanoramiXScreenRegion = {{0, 0, 0, 0}, NULL};
-
-static int		PanoramiXNumDepths;
-static DepthPtr		PanoramiXDepths;
-static int		PanoramiXNumVisuals;
-static VisualPtr	PanoramiXVisuals;
-
-unsigned long XRC_DRAWABLE;
-unsigned long XRT_WINDOW;
-unsigned long XRT_PIXMAP;
-unsigned long XRT_GC;
-unsigned long XRT_COLORMAP;
-
-static Bool VisualsEqual(VisualPtr, ScreenPtr, VisualPtr);
-XineramaVisualsEqualProcPtr XineramaVisualsEqualPtr = &VisualsEqual;
-
-/*
- *	Function prototypes
- */
-
-static int panoramiXGeneration;
-static int ProcPanoramiXDispatch(ClientPtr client); 
-
-static void PanoramiXResetProc(ExtensionEntry*);
-
-/*
- *	External references for functions and data variables
- */
-
-#include "panoramiXh.h"
-
-int (* SavedProcVector[256]) (ClientPtr client) = { NULL, };
-
-static int PanoramiXGCKeyIndex;
-static DevPrivateKey PanoramiXGCKey = &PanoramiXGCKeyIndex;
-static int PanoramiXScreenKeyIndex;
-static DevPrivateKey PanoramiXScreenKey = &PanoramiXScreenKeyIndex;
-
-typedef struct {
-  DDXPointRec clipOrg;
-  DDXPointRec patOrg;
-  GCFuncs *wrapFuncs;
-} PanoramiXGCRec, *PanoramiXGCPtr;
-
-typedef struct {
-  CreateGCProcPtr	CreateGC;
-  CloseScreenProcPtr	CloseScreen;
-} PanoramiXScreenRec, *PanoramiXScreenPtr;
-
-RegionRec XineramaScreenRegions[MAXSCREENS];
-
-static void XineramaValidateGC(GCPtr, unsigned long, DrawablePtr);
-static void XineramaChangeGC(GCPtr, unsigned long);
-static void XineramaCopyGC(GCPtr, unsigned long, GCPtr);
-static void XineramaDestroyGC(GCPtr);
-static void XineramaChangeClip(GCPtr, int, pointer, int);
-static void XineramaDestroyClip(GCPtr);
-static void XineramaCopyClip(GCPtr, GCPtr);
-
-static GCFuncs XineramaGCFuncs = {
-    XineramaValidateGC, XineramaChangeGC, XineramaCopyGC, XineramaDestroyGC,
-    XineramaChangeClip, XineramaDestroyClip, XineramaCopyClip
-};
-
-#define Xinerama_GC_FUNC_PROLOGUE(pGC)\
-    PanoramiXGCPtr  pGCPriv = (PanoramiXGCPtr) \
-	dixLookupPrivate(&(pGC)->devPrivates, PanoramiXGCKey); \
-    (pGC)->funcs = pGCPriv->wrapFuncs;
-
-#define Xinerama_GC_FUNC_EPILOGUE(pGC)\
-    pGCPriv->wrapFuncs = (pGC)->funcs;\
-    (pGC)->funcs = &XineramaGCFuncs;
-
-
-static Bool
-XineramaCloseScreen (int i, ScreenPtr pScreen)
-{
-    PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr)
-	dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey);
-
-    pScreen->CloseScreen = pScreenPriv->CloseScreen;
-    pScreen->CreateGC = pScreenPriv->CreateGC;
-
-    REGION_UNINIT(pScreen, &XineramaScreenRegions[pScreen->myNum]);
-    if (pScreen->myNum == 0)
-	REGION_UNINIT(pScreen, &PanoramiXScreenRegion);
-
-    xfree ((pointer) pScreenPriv);
-
-    return (*pScreen->CloseScreen) (i, pScreen);
-}
-
-static Bool
-XineramaCreateGC(GCPtr pGC)
-{
-    ScreenPtr pScreen = pGC->pScreen;
-    PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr)
-	dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey);
-    Bool ret;
-
-    pScreen->CreateGC = pScreenPriv->CreateGC;
-    if((ret = (*pScreen->CreateGC)(pGC))) {
-	PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr)
-	    dixLookupPrivate(&pGC->devPrivates, PanoramiXGCKey);
-
-	pGCPriv->wrapFuncs = pGC->funcs;
-        pGC->funcs = &XineramaGCFuncs;
-
-	pGCPriv->clipOrg.x = pGC->clipOrg.x; 
-	pGCPriv->clipOrg.y = pGC->clipOrg.y;
-	pGCPriv->patOrg.x = pGC->patOrg.x;
-	pGCPriv->patOrg.y = pGC->patOrg.y;
-    }
-    pScreen->CreateGC = XineramaCreateGC;
-
-    return ret;
-}
-
-static void
-XineramaValidateGC(
-   GCPtr         pGC,
-   unsigned long changes,
-   DrawablePtr   pDraw 
-){
-    Xinerama_GC_FUNC_PROLOGUE (pGC);
-
-    if((pDraw->type == DRAWABLE_WINDOW) && !(((WindowPtr)pDraw)->parent)) {
-	/* the root window */
-	int x_off = panoramiXdataPtr[pGC->pScreen->myNum].x;
-	int y_off = panoramiXdataPtr[pGC->pScreen->myNum].y;
-	int new_val;
-
-	new_val = pGCPriv->clipOrg.x - x_off;
-	if(pGC->clipOrg.x != new_val) {
-	    pGC->clipOrg.x = new_val;
-	    changes |= GCClipXOrigin;
-	}
-	new_val = pGCPriv->clipOrg.y - y_off;
-	if(pGC->clipOrg.y != new_val) {
-	    pGC->clipOrg.y = new_val;
-	    changes |= GCClipYOrigin;
-	}
-	new_val = pGCPriv->patOrg.x - x_off;
-	if(pGC->patOrg.x != new_val) {
-	    pGC->patOrg.x = new_val;
-	    changes |= GCTileStipXOrigin;
-	}
-	new_val = pGCPriv->patOrg.y - y_off;
-	if(pGC->patOrg.y != new_val) {
-	    pGC->patOrg.y = new_val;
-	    changes |= GCTileStipYOrigin;
-	}
-    } else {
-	if(pGC->clipOrg.x != pGCPriv->clipOrg.x) {
-	    pGC->clipOrg.x = pGCPriv->clipOrg.x;
-	    changes |= GCClipXOrigin;
-	}
-	if(pGC->clipOrg.y != pGCPriv->clipOrg.y) {
-	    pGC->clipOrg.y = pGCPriv->clipOrg.y;
-	    changes |= GCClipYOrigin;
-	}
-	if(pGC->patOrg.x != pGCPriv->patOrg.x) {
-	    pGC->patOrg.x = pGCPriv->patOrg.x;
-	    changes |= GCTileStipXOrigin;
-	}
-	if(pGC->patOrg.y != pGCPriv->patOrg.y) {
-	    pGC->patOrg.y = pGCPriv->patOrg.y;
-	    changes |= GCTileStipYOrigin;
-	}
-    }
-  
-    (*pGC->funcs->ValidateGC)(pGC, changes, pDraw);
-    Xinerama_GC_FUNC_EPILOGUE (pGC);
-}
-
-static void
-XineramaDestroyGC(GCPtr pGC)
-{
-    Xinerama_GC_FUNC_PROLOGUE (pGC);
-    (*pGC->funcs->DestroyGC)(pGC);
-    Xinerama_GC_FUNC_EPILOGUE (pGC);
-}
-
-static void
-XineramaChangeGC (
-    GCPtr	    pGC,
-    unsigned long   mask
-){
-    Xinerama_GC_FUNC_PROLOGUE (pGC);
-
-    if(mask & GCTileStipXOrigin)
-	pGCPriv->patOrg.x = pGC->patOrg.x;
-    if(mask & GCTileStipYOrigin)
-	pGCPriv->patOrg.y = pGC->patOrg.y;
-    if(mask & GCClipXOrigin)
-	pGCPriv->clipOrg.x = pGC->clipOrg.x; 
-    if(mask & GCClipYOrigin)
-	pGCPriv->clipOrg.y = pGC->clipOrg.y;
-
-    (*pGC->funcs->ChangeGC) (pGC, mask);
-    Xinerama_GC_FUNC_EPILOGUE (pGC);
-}
-
-static void
-XineramaCopyGC (
-    GCPtr	    pGCSrc, 
-    unsigned long   mask,
-    GCPtr	    pGCDst
-){
-    PanoramiXGCPtr pSrcPriv = (PanoramiXGCPtr)
-	dixLookupPrivate(&pGCSrc->devPrivates, PanoramiXGCKey);
-    Xinerama_GC_FUNC_PROLOGUE (pGCDst);
-
-    if(mask & GCTileStipXOrigin)
-        pGCPriv->patOrg.x = pSrcPriv->patOrg.x;
-    if(mask & GCTileStipYOrigin)
-        pGCPriv->patOrg.y = pSrcPriv->patOrg.y;
-    if(mask & GCClipXOrigin)
-        pGCPriv->clipOrg.x = pSrcPriv->clipOrg.x;
-    if(mask & GCClipYOrigin)
-        pGCPriv->clipOrg.y = pSrcPriv->clipOrg.y;
-
-    (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst);
-    Xinerama_GC_FUNC_EPILOGUE (pGCDst);
-}
-
-static void
-XineramaChangeClip (
-    GCPtr   pGC,
-    int		type,
-    pointer	pvalue,
-    int		nrects 
-){
-    Xinerama_GC_FUNC_PROLOGUE (pGC);
-    (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects);
-    Xinerama_GC_FUNC_EPILOGUE (pGC);
-}
-
-static void
-XineramaCopyClip(GCPtr pgcDst, GCPtr pgcSrc)
-{
-    Xinerama_GC_FUNC_PROLOGUE (pgcDst);
-    (* pgcDst->funcs->CopyClip)(pgcDst, pgcSrc);
-    Xinerama_GC_FUNC_EPILOGUE (pgcDst);
-}
-
-static void
-XineramaDestroyClip(GCPtr pGC)
-{
-    Xinerama_GC_FUNC_PROLOGUE (pGC);
-    (* pGC->funcs->DestroyClip)(pGC);
-    Xinerama_GC_FUNC_EPILOGUE (pGC);
-}
-
-int
-XineramaDeleteResource(pointer data, XID id)
-{
-    xfree(data);
-    return 1;
-}
-
-typedef struct {
-   int screen;
-   int id;
-} PanoramiXSearchData; 
-
-static Bool 
-XineramaFindIDByScrnum(pointer resource, XID id, pointer privdata)
-{
-    PanoramiXRes *res = (PanoramiXRes*)resource;
-    PanoramiXSearchData *data = (PanoramiXSearchData*)privdata;
-    
-    return (res->info[data->screen].id == data->id);
-}
-
-PanoramiXRes *
-PanoramiXFindIDByScrnum(RESTYPE type, XID id, int screen)
-{
-    PanoramiXSearchData data;
-    pointer val;
-
-    if(!screen) {
-	dixLookupResourceByType(&val, id, type, serverClient, DixReadAccess);
-	return val;
-    }
-
-    data.screen = screen;
-    data.id = id;
-
-    return LookupClientResourceComplex(clients[CLIENT_ID(id)], type,
-		XineramaFindIDByScrnum, &data);
-}
-
-typedef struct _connect_callback_list {
-    void (*func)(void);
-    struct _connect_callback_list *next;
-} XineramaConnectionCallbackList;
-
-static XineramaConnectionCallbackList *ConnectionCallbackList = NULL;
-
-Bool
-XineramaRegisterConnectionBlockCallback(void (*func)(void))
-{
-    XineramaConnectionCallbackList *newlist;
-
-    if(!(newlist = xalloc(sizeof(XineramaConnectionCallbackList))))
-	return FALSE;
-
-    newlist->next = ConnectionCallbackList;
-    newlist->func = func;
-    ConnectionCallbackList = newlist;
-
-    return TRUE;
-}
-
-static void XineramaInitData(ScreenPtr pScreen)
-{
-    int i, w, h;
-
-    REGION_NULL(pScreen, &PanoramiXScreenRegion)
-    for (i = 0; i < PanoramiXNumScreens; i++) {
-	BoxRec TheBox;
-
-        pScreen = screenInfo.screens[i];
-
-	panoramiXdataPtr[i].x = dixScreenOrigins[i].x;
-	panoramiXdataPtr[i].y = dixScreenOrigins[i].y;
-	panoramiXdataPtr[i].width = pScreen->width;
-	panoramiXdataPtr[i].height = pScreen->height;
-
-	TheBox.x1 = panoramiXdataPtr[i].x;
-	TheBox.x2 = TheBox.x1 + panoramiXdataPtr[i].width;
-	TheBox.y1 = panoramiXdataPtr[i].y;
-	TheBox.y2 = TheBox.y1 + panoramiXdataPtr[i].height;
-
-	REGION_INIT(pScreen, &XineramaScreenRegions[i], &TheBox, 1);
-	REGION_UNION(pScreen, &PanoramiXScreenRegion, &PanoramiXScreenRegion,
-		     &XineramaScreenRegions[i]);
-    }
-
-    PanoramiXPixWidth = panoramiXdataPtr[0].x + panoramiXdataPtr[0].width;
-    PanoramiXPixHeight = panoramiXdataPtr[0].y + panoramiXdataPtr[0].height;
-
-    for (i = 1; i < PanoramiXNumScreens; i++) {
-	w = panoramiXdataPtr[i].x + panoramiXdataPtr[i].width;
-	h = panoramiXdataPtr[i].y + panoramiXdataPtr[i].height;
-
-	if (PanoramiXPixWidth < w)
-	    PanoramiXPixWidth = w;
-	if (PanoramiXPixHeight < h)
-	    PanoramiXPixHeight = h;
-    }
-}
-
-void XineramaReinitData(ScreenPtr pScreen)
-{
-    int i;
-
-    REGION_UNINIT(pScreen, &PanoramiXScreenRegion);
-    for (i = 0; i < PanoramiXNumScreens; i++)
-	REGION_UNINIT(pScreen, &XineramaScreenRegions[i]);
-
-    XineramaInitData(pScreen);
-}
-
-/*
- *	PanoramiXExtensionInit():
- *		Called from InitExtensions in main().  
- *		Register PanoramiXeen Extension
- *		Initialize global variables.
- */ 
-
-void PanoramiXExtensionInit(int argc, char *argv[])
-{
-    int 	     	i;
-    Bool	     	success = FALSE;
-    ExtensionEntry 	*extEntry;
-    ScreenPtr		pScreen = screenInfo.screens[0];
-    PanoramiXScreenPtr	pScreenPriv;
-
-    if (noPanoramiXExtension) 
-	return;
-
-    PanoramiXNumScreens = screenInfo.numScreens;
-    if (PanoramiXNumScreens == 1) {		/* Only 1 screen 	*/
-	noPanoramiXExtension = TRUE;
-	return;
-    }
-
-    while (panoramiXGeneration != serverGeneration) {
-	extEntry = AddExtension(PANORAMIX_PROTOCOL_NAME, 0,0, 
-				ProcPanoramiXDispatch,
-				SProcPanoramiXDispatch, PanoramiXResetProc, 
-				StandardMinorOpcode);
-	if (!extEntry)
-	    break;
-
-	/*
-	 *	First make sure all the basic allocations succeed.  If not,
-	 *	run in non-PanoramiXeen mode.
-	 */
-
-	panoramiXdataPtr = (PanoramiXData *) 
-		xcalloc(PanoramiXNumScreens, sizeof(PanoramiXData));
-
-	if (!panoramiXdataPtr)
-	    break;
-
-	if (!dixRequestPrivate(PanoramiXGCKey, sizeof(PanoramiXGCRec))) {
-		noPanoramiXExtension = TRUE;
-		return;
-	}
-	
-	for (i = 0; i < PanoramiXNumScreens; i++) {
-	   pScreen = screenInfo.screens[i];
-	   pScreenPriv = xalloc(sizeof(PanoramiXScreenRec));
-	   dixSetPrivate(&pScreen->devPrivates, PanoramiXScreenKey,
-			 pScreenPriv);
-	   if(!pScreenPriv) {
-		noPanoramiXExtension = TRUE;
-		return;
-	   }
-	
-	   pScreenPriv->CreateGC = pScreen->CreateGC;
-	   pScreenPriv->CloseScreen = pScreen->CloseScreen;
-	
-	   pScreen->CreateGC = XineramaCreateGC;
-	   pScreen->CloseScreen = XineramaCloseScreen;
-	}
-
-	XRC_DRAWABLE = CreateNewResourceClass();
-	XRT_WINDOW = CreateNewResourceType(XineramaDeleteResource,
-					   "XineramaWindow");
-	if (XRT_WINDOW)
-	    XRT_WINDOW |= XRC_DRAWABLE;
-	XRT_PIXMAP = CreateNewResourceType(XineramaDeleteResource,
-					   "XineramaPixmap");
-	if (XRT_PIXMAP)
-	    XRT_PIXMAP |= XRC_DRAWABLE;
-	XRT_GC = CreateNewResourceType(XineramaDeleteResource,
-				       "XineramaGC");
-	XRT_COLORMAP = CreateNewResourceType(XineramaDeleteResource,
-					     "XineramaColormap");
-
-	if (XRT_WINDOW && XRT_PIXMAP && XRT_GC && XRT_COLORMAP) {
-	    panoramiXGeneration = serverGeneration;
-	    success = TRUE;
-	}
-    }
-
-    if (!success) {
-	noPanoramiXExtension = TRUE;
-	ErrorF(PANORAMIX_PROTOCOL_NAME " extension failed to initialize\n");
-	return;
-    }
-  
-    XineramaInitData(pScreen);
-
-    /*
-     *	Put our processes into the ProcVector
-     */
-
-    for (i = 256; i--; )
-	SavedProcVector[i] = ProcVector[i];
-
-    ProcVector[X_CreateWindow] = PanoramiXCreateWindow;
-    ProcVector[X_ChangeWindowAttributes] = PanoramiXChangeWindowAttributes;
-    ProcVector[X_DestroyWindow] = PanoramiXDestroyWindow;
-    ProcVector[X_DestroySubwindows] = PanoramiXDestroySubwindows;
-    ProcVector[X_ChangeSaveSet] = PanoramiXChangeSaveSet;
-    ProcVector[X_ReparentWindow] = PanoramiXReparentWindow;
-    ProcVector[X_MapWindow] = PanoramiXMapWindow;
-    ProcVector[X_MapSubwindows] = PanoramiXMapSubwindows;
-    ProcVector[X_UnmapWindow] = PanoramiXUnmapWindow;
-    ProcVector[X_UnmapSubwindows] = PanoramiXUnmapSubwindows;
-    ProcVector[X_ConfigureWindow] = PanoramiXConfigureWindow;
-    ProcVector[X_CirculateWindow] = PanoramiXCirculateWindow;
-    ProcVector[X_GetGeometry] = PanoramiXGetGeometry;
-    ProcVector[X_TranslateCoords] = PanoramiXTranslateCoords;
-    ProcVector[X_CreatePixmap] = PanoramiXCreatePixmap;
-    ProcVector[X_FreePixmap] = PanoramiXFreePixmap;
-    ProcVector[X_CreateGC] = PanoramiXCreateGC;
-    ProcVector[X_ChangeGC] = PanoramiXChangeGC;
-    ProcVector[X_CopyGC] = PanoramiXCopyGC;
-    ProcVector[X_SetDashes] = PanoramiXSetDashes;
-    ProcVector[X_SetClipRectangles] = PanoramiXSetClipRectangles;
-    ProcVector[X_FreeGC] = PanoramiXFreeGC;
-    ProcVector[X_ClearArea] = PanoramiXClearToBackground;
-    ProcVector[X_CopyArea] = PanoramiXCopyArea;
-    ProcVector[X_CopyPlane] = PanoramiXCopyPlane;
-    ProcVector[X_PolyPoint] = PanoramiXPolyPoint;
-    ProcVector[X_PolyLine] = PanoramiXPolyLine;
-    ProcVector[X_PolySegment] = PanoramiXPolySegment;
-    ProcVector[X_PolyRectangle] = PanoramiXPolyRectangle;
-    ProcVector[X_PolyArc] = PanoramiXPolyArc;
-    ProcVector[X_FillPoly] = PanoramiXFillPoly;
-    ProcVector[X_PolyFillRectangle] = PanoramiXPolyFillRectangle;
-    ProcVector[X_PolyFillArc] = PanoramiXPolyFillArc;
-    ProcVector[X_PutImage] = PanoramiXPutImage;
-    ProcVector[X_GetImage] = PanoramiXGetImage;
-    ProcVector[X_PolyText8] = PanoramiXPolyText8;
-    ProcVector[X_PolyText16] = PanoramiXPolyText16;
-    ProcVector[X_ImageText8] = PanoramiXImageText8;
-    ProcVector[X_ImageText16] = PanoramiXImageText16;
-    ProcVector[X_CreateColormap] = PanoramiXCreateColormap;
-    ProcVector[X_FreeColormap] = PanoramiXFreeColormap;
-    ProcVector[X_CopyColormapAndFree] = PanoramiXCopyColormapAndFree;
-    ProcVector[X_InstallColormap] = PanoramiXInstallColormap;
-    ProcVector[X_UninstallColormap] = PanoramiXUninstallColormap;
-    ProcVector[X_AllocColor] = PanoramiXAllocColor;
-    ProcVector[X_AllocNamedColor] = PanoramiXAllocNamedColor;
-    ProcVector[X_AllocColorCells] = PanoramiXAllocColorCells;
-    ProcVector[X_AllocColorPlanes] = PanoramiXAllocColorPlanes;
-    ProcVector[X_FreeColors] = PanoramiXFreeColors;
-    ProcVector[X_StoreColors] = PanoramiXStoreColors;
-    ProcVector[X_StoreNamedColor] = PanoramiXStoreNamedColor;
-
-    PanoramiXRenderInit ();
-}
-
-extern Bool CreateConnectionBlock(void);
-
-Bool PanoramiXCreateConnectionBlock(void)
-{
-    int i, j, length;
-    Bool disableBackingStore = FALSE;
-    int old_width, old_height;
-    float width_mult, height_mult;
-    xWindowRoot *root;
-    xVisualType *visual;
-    xDepth *depth;
-    VisualPtr pVisual;
-    ScreenPtr pScreen;
-
-    /*
-     *	Do normal CreateConnectionBlock but faking it for only one screen
-     */
-
-    if(!PanoramiXNumDepths) {
-	ErrorF("Xinerama error: No common visuals\n");
-	return FALSE;
-    }
-
-    for(i = 1; i < screenInfo.numScreens; i++) {
-	pScreen = screenInfo.screens[i];
-	if(pScreen->rootDepth != screenInfo.screens[0]->rootDepth) {
-	    ErrorF("Xinerama error: Root window depths differ\n");
-	    return FALSE;
-	}
-	if(pScreen->backingStoreSupport != screenInfo.screens[0]->backingStoreSupport)
-	     disableBackingStore = TRUE;
-    }
-
-    if (disableBackingStore) {
-    	for (i = 0; i < screenInfo.numScreens; i++) {
-	    pScreen = screenInfo.screens[i];
-	    pScreen->backingStoreSupport = NotUseful;
-	}
-    }
-
-    i = screenInfo.numScreens;
-    screenInfo.numScreens = 1;
-    if (!CreateConnectionBlock()) {
-	screenInfo.numScreens = i;
-	return FALSE;
-    }
-
-    screenInfo.numScreens = i;
-    
-    root = (xWindowRoot *) (ConnectionInfo + connBlockScreenStart);
-    length = connBlockScreenStart + sizeof(xWindowRoot);
-
-    /* overwrite the connection block */
-    root->nDepths = PanoramiXNumDepths;
-
-    for (i = 0; i < PanoramiXNumDepths; i++) {
-	depth = (xDepth *) (ConnectionInfo + length);
-	depth->depth = PanoramiXDepths[i].depth;
-	depth->nVisuals = PanoramiXDepths[i].numVids;
-	length += sizeof(xDepth);
-	visual = (xVisualType *)(ConnectionInfo + length);
-	
-	for (j = 0; j < depth->nVisuals; j++, visual++) {
-	    visual->visualID = PanoramiXDepths[i].vids[j];
-
-	    for (pVisual = PanoramiXVisuals;
-		 pVisual->vid != visual->visualID;
-		 pVisual++)
-	         ;
-
-	    visual->class = pVisual->class;
-	    visual->bitsPerRGB = pVisual->bitsPerRGBValue;
-	    visual->colormapEntries = pVisual->ColormapEntries;
-	    visual->redMask = pVisual->redMask;
-	    visual->greenMask = pVisual->greenMask;
-	    visual->blueMask = pVisual->blueMask;
-	}
-
-	length += (depth->nVisuals * sizeof(xVisualType));
-    }
-
-    connSetupPrefix.length = bytes_to_int32(length);
-
-    for (i = 0; i < PanoramiXNumDepths; i++)
-	xfree(PanoramiXDepths[i].vids);
-    xfree(PanoramiXDepths);
-    PanoramiXDepths = NULL;
-
-    /*
-     *  OK, change some dimensions so it looks as if it were one big screen
-     */
-    
-    old_width = root->pixWidth;
-    old_height = root->pixHeight;
-
-    root->pixWidth = PanoramiXPixWidth;
-    root->pixHeight = PanoramiXPixHeight;
-    width_mult = (1.0 * root->pixWidth) / old_width;
-    height_mult = (1.0 * root->pixHeight) / old_height;
-    root->mmWidth *= width_mult;
-    root->mmHeight *= height_mult;
-
-    while(ConnectionCallbackList) {
-	pointer tmp;
-
-	tmp = (pointer)ConnectionCallbackList;
-	(*ConnectionCallbackList->func)();
-	ConnectionCallbackList = ConnectionCallbackList->next;
-	xfree(tmp);
-    }
-
-    return TRUE;
-}
-
-/*
- * This isn't just memcmp(), bitsPerRGBValue is skipped.  markv made that
- * change way back before xf86 4.0, but the comment for _why_ is a bit
- * opaque, so I'm not going to question it for now.
- *
- * This is probably better done as a screen hook so DBE/EVI/GLX can add
- * their own tests, and adding privates to VisualRec so they don't have to
- * do their own back-mapping.
- */
-static Bool
-VisualsEqual(VisualPtr a, ScreenPtr pScreenB, VisualPtr b)
-{
-    return ((a->class == b->class) &&
-	(a->ColormapEntries == b->ColormapEntries) &&
-	(a->nplanes == b->nplanes) &&
-	(a->redMask == b->redMask) &&
-	(a->greenMask == b->greenMask) &&
-	(a->blueMask == b->blueMask) &&
-	(a->offsetRed == b->offsetRed) &&
-	(a->offsetGreen == b->offsetGreen) &&
-	(a->offsetBlue == b->offsetBlue));
-}
-
-static void
-PanoramiXMaybeAddDepth(DepthPtr pDepth)
-{
-    ScreenPtr pScreen;
-    int j, k;
-    Bool found = FALSE;
-
-    for (j = 1; j < PanoramiXNumScreens; j++) {
-	pScreen = screenInfo.screens[j];
-	for (k = 0; k < pScreen->numDepths; k++) {
-	    if (pScreen->allowedDepths[k].depth == pDepth->depth) {
-		found = TRUE;
-		break;
-	    }
-	}
-    }
-
-    if (!found)
-	return;
-
-    j = PanoramiXNumDepths;
-    PanoramiXNumDepths++;
-    PanoramiXDepths = xrealloc(PanoramiXDepths,
-	    PanoramiXNumDepths * sizeof(DepthRec));
-    PanoramiXDepths[j].depth = pDepth->depth;
-    PanoramiXDepths[j].numVids = 0;
-    /* XXX suboptimal, should grow these dynamically */
-    if(pDepth->numVids)
-	PanoramiXDepths[j].vids = xalloc(sizeof(VisualID) * pDepth->numVids);
-    else
-	PanoramiXDepths[j].vids = NULL;
-}
-
-static void
-PanoramiXMaybeAddVisual(VisualPtr pVisual)
-{
-    ScreenPtr pScreen;
-    int j, k;
-    Bool found = FALSE;
-
-    for (j = 1; j < PanoramiXNumScreens; j++) {
-	pScreen = screenInfo.screens[j];
-	found = FALSE;
-
-	for (k = 0; k < pScreen->numVisuals; k++) {
-	    VisualPtr candidate = &pScreen->visuals[k];
-
-	    if ((*XineramaVisualsEqualPtr)(pVisual, pScreen, candidate)
-#ifdef GLXPROXY
-		&& glxMatchVisual(screenInfo.screens[0], pVisual, pScreen)
-#endif
-		    ) {
-		found = TRUE;
-		break;
-	    }
-	}
-
-	if (!found)
-	    return;
-    }
-
-    /* found a matching visual on all screens, add it to the subset list */
-    j = PanoramiXNumVisuals;
-    PanoramiXNumVisuals++;
-    PanoramiXVisuals = xrealloc(PanoramiXVisuals,
-	    PanoramiXNumVisuals * sizeof(VisualRec));
-
-    memcpy(&PanoramiXVisuals[j], pVisual, sizeof(VisualRec));
-
-    for (k = 0; k < PanoramiXNumDepths; k++) {
-	if (PanoramiXDepths[k].depth == pVisual->nplanes) {
-	    PanoramiXDepths[k].vids[PanoramiXDepths[k].numVids] = pVisual->vid;
-	    PanoramiXDepths[k].numVids++;
-	    break;
-	}	
-    }   
-}
-
-extern void
-PanoramiXConsolidate(void)
-{
-    int 	i;
-    PanoramiXRes *root, *defmap, *saver;
-    ScreenPtr   pScreen = screenInfo.screens[0];
-    DepthPtr    pDepth = pScreen->allowedDepths;
-    VisualPtr   pVisual = pScreen->visuals;
-
-    PanoramiXNumDepths = 0;
-    PanoramiXNumVisuals = 0;
-
-    for (i = 0; i < pScreen->numDepths; i++)
-	PanoramiXMaybeAddDepth(pDepth++);
-
-    for (i = 0; i < pScreen->numVisuals; i++)
-	PanoramiXMaybeAddVisual(pVisual++);
-
-    root = xalloc(sizeof(PanoramiXRes));
-    root->type = XRT_WINDOW;
-    defmap = xalloc(sizeof(PanoramiXRes));
-    defmap->type = XRT_COLORMAP;
-    saver = xalloc(sizeof(PanoramiXRes));
-    saver->type = XRT_WINDOW;
-
-    for (i =  0; i < PanoramiXNumScreens; i++) {
-	root->info[i].id = WindowTable[i]->drawable.id;
-	root->u.win.class = InputOutput;
-        root->u.win.root = TRUE;
-        saver->info[i].id = savedScreenInfo[i].wid;
-        saver->u.win.class = InputOutput;
-        saver->u.win.root = TRUE;
-	defmap->info[i].id = (screenInfo.screens[i])->defColormap;
-    }
-
-    AddResource(root->info[0].id, XRT_WINDOW, root);
-    AddResource(saver->info[0].id, XRT_WINDOW, saver);
-    AddResource(defmap->info[0].id, XRT_COLORMAP, defmap);
-}
-
-VisualID
-PanoramiXTranslateVisualID(int screen, VisualID orig)
-{
-    ScreenPtr pOtherScreen = screenInfo.screens[screen];
-    VisualPtr pVisual = NULL;
-    int i;
-
-    for (i = 0; i < PanoramiXNumVisuals; i++) {
-	if (orig == PanoramiXVisuals[i].vid) {
-	    pVisual = &PanoramiXVisuals[i];
-	    break;
-	}
-    }
-
-    if (!pVisual)
-	return 0;
-
-    /* if screen is 0, orig is already the correct visual ID */
-    if (screen == 0)
-	return orig;
-
-    /* found the original, now translate it relative to the backend screen */
-    for (i = 0; i < pOtherScreen->numVisuals; i++) {
-	VisualPtr pOtherVisual = &pOtherScreen->visuals[i];
-
-	if ((*XineramaVisualsEqualPtr)(pVisual, pOtherScreen, pOtherVisual))
-	    return pOtherVisual->vid;
-    }
-
-    return 0;
-}
-
-
-/*
- *	PanoramiXResetProc()
- *		Exit, deallocating as needed.
- */
-
-static void PanoramiXResetProc(ExtensionEntry* extEntry)
-{
-    int		i;
-
-    PanoramiXRenderReset ();
-    screenInfo.numScreens = PanoramiXNumScreens;
-    for (i = 256; i--; )
-	ProcVector[i] = SavedProcVector[i];
-
-    Xfree(panoramiXdataPtr);    
-}
-
-
-int
-ProcPanoramiXQueryVersion (ClientPtr client)
-{
-    /* REQUEST(xPanoramiXQueryVersionReq); */
-    xPanoramiXQueryVersionReply		rep;
-    register 	int			n;
-
-    REQUEST_SIZE_MATCH (xPanoramiXQueryVersionReq);
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-    rep.majorVersion = SERVER_PANORAMIX_MAJOR_VERSION;
-    rep.minorVersion = SERVER_PANORAMIX_MINOR_VERSION;
-    if (client->swapped) { 
-        swaps(&rep.sequenceNumber, n);
-        swapl(&rep.length, n);     
-        swaps(&rep.majorVersion, n);
-        swaps(&rep.minorVersion, n);
-    }
-    WriteToClient(client, sizeof (xPanoramiXQueryVersionReply), (char *)&rep);
-    return (client->noClientException);
-}
-
-int
-ProcPanoramiXGetState(ClientPtr client)
-{
-	REQUEST(xPanoramiXGetStateReq);
-    	WindowPtr			pWin;
-	xPanoramiXGetStateReply		rep;
-	int			n, rc;
-	
-	REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
-	rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
-	if (rc != Success)
-	    return rc;
-
-	rep.type = X_Reply;
-	rep.length = 0;
-	rep.sequenceNumber = client->sequence;
-	rep.state = !noPanoramiXExtension;
-	rep.window = stuff->window;
-    	if (client->swapped) {
-	    swaps (&rep.sequenceNumber, n);
-	    swapl (&rep.length, n);
-	    swapl (&rep.window, n);
-	}	
-	WriteToClient (client, sizeof (xPanoramiXGetStateReply), (char *) &rep);
-	return client->noClientException;
-
-}
-
-int 
-ProcPanoramiXGetScreenCount(ClientPtr client)
-{
-	REQUEST(xPanoramiXGetScreenCountReq);
-    	WindowPtr			pWin;
-	xPanoramiXGetScreenCountReply	rep;
-	int			n, rc;
-
-	REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
-	rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
-	if (rc != Success)
-	    return rc;
-
-	rep.type = X_Reply;
-	rep.length = 0;
-	rep.sequenceNumber = client->sequence;
-	rep.ScreenCount = PanoramiXNumScreens;
-	rep.window = stuff->window;
-    	if (client->swapped) {
-	    swaps (&rep.sequenceNumber, n);
-	    swapl (&rep.length, n);
-	    swapl (&rep.window, n);
-	}	
-	WriteToClient (client, sizeof (xPanoramiXGetScreenCountReply), (char *) &rep);
-	return client->noClientException;
-}
-
-int 
-ProcPanoramiXGetScreenSize(ClientPtr client)
-{
-	REQUEST(xPanoramiXGetScreenSizeReq);
-    	WindowPtr			pWin;
-	xPanoramiXGetScreenSizeReply	rep;
-	int			n, rc;
-	
-	if (stuff->screen >= PanoramiXNumScreens)
-	    return BadMatch;
-
-	REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
-	rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
-	if (rc != Success)
-	    return rc;
-
-	rep.type = X_Reply;
-	rep.length = 0;
-	rep.sequenceNumber = client->sequence;
-		/* screen dimensions */
-	rep.width  = panoramiXdataPtr[stuff->screen].width; 
-	rep.height = panoramiXdataPtr[stuff->screen].height; 
-	rep.window = stuff->window;
-	rep.screen = stuff->screen;
-    	if (client->swapped) {
-	    swaps (&rep.sequenceNumber, n);
-	    swapl (&rep.length, n);
-	    swapl (&rep.width, n);
-	    swapl (&rep.height, n);
-	    swapl (&rep.window, n);
-	    swapl (&rep.screen, n);
-	}	
-	WriteToClient (client, sizeof (xPanoramiXGetScreenSizeReply), (char *) &rep);
-	return client->noClientException;
-}
-
-
-int
-ProcXineramaIsActive(ClientPtr client)
-{
-    /* REQUEST(xXineramaIsActiveReq); */
-    xXineramaIsActiveReply	rep;
-
-    REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
-
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-#if 1
-    {
-	/* The following hack fools clients into thinking that Xinerama
-	 * is disabled even though it is not. */
-	rep.state = !noPanoramiXExtension && !PanoramiXExtensionDisabledHack;
-    }
-#else
-    rep.state = !noPanoramiXExtension;
-#endif
-    if (client->swapped) {
-	int n;
-	swaps (&rep.sequenceNumber, n);
-	swapl (&rep.length, n);
-	swapl (&rep.state, n);
-    }	
-    WriteToClient (client, sizeof (xXineramaIsActiveReply), (char *) &rep);
-    return client->noClientException;
-}
-
-
-int
-ProcXineramaQueryScreens(ClientPtr client)
-{
-    /* REQUEST(xXineramaQueryScreensReq); */
-    xXineramaQueryScreensReply	rep;
-
-    REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
-
-    rep.type = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.number = (noPanoramiXExtension) ? 0 : PanoramiXNumScreens;
-    rep.length = bytes_to_int32(rep.number * sz_XineramaScreenInfo);
-    if (client->swapped) {
-	int n;
-	swaps (&rep.sequenceNumber, n);
-	swapl (&rep.length, n);
-	swapl (&rep.number, n);
-    }	
-    WriteToClient (client, sizeof (xXineramaQueryScreensReply), (char *) &rep);
-
-    if(!noPanoramiXExtension) {
-	xXineramaScreenInfo scratch;
-	int i;
-
-	for(i = 0; i < PanoramiXNumScreens; i++) {
-	    scratch.x_org  = panoramiXdataPtr[i].x;
-	    scratch.y_org  = panoramiXdataPtr[i].y;
-	    scratch.width  = panoramiXdataPtr[i].width;
-	    scratch.height = panoramiXdataPtr[i].height;
-	
-	    if(client->swapped) {
-		int n;
-		swaps (&scratch.x_org, n);
-		swaps (&scratch.y_org, n);
-		swaps (&scratch.width, n);
-		swaps (&scratch.height, n);
-	    }
-	    WriteToClient (client, sz_XineramaScreenInfo, (char *) &scratch);
-	}
-    }
-
-    return client->noClientException;
-}
-
-
-static int
-ProcPanoramiXDispatch (ClientPtr client)
-{   REQUEST(xReq);
-    switch (stuff->data)
-    {
-	case X_PanoramiXQueryVersion:
-	     return ProcPanoramiXQueryVersion(client);
-	case X_PanoramiXGetState:
-	     return ProcPanoramiXGetState(client);
-	case X_PanoramiXGetScreenCount:
-	     return ProcPanoramiXGetScreenCount(client);
-	case X_PanoramiXGetScreenSize:
-	     return ProcPanoramiXGetScreenSize(client);
-	case X_XineramaIsActive:
-	     return ProcXineramaIsActive(client);
-	case X_XineramaQueryScreens:
-	     return ProcXineramaQueryScreens(client);
-    }
-    return BadRequest;
-}
-
-
-#if X_BYTE_ORDER == X_LITTLE_ENDIAN
-#define SHIFT_L(v,s) (v) << (s)
-#define SHIFT_R(v,s) (v) >> (s)
-#else
-#define SHIFT_L(v,s) (v) >> (s)
-#define SHIFT_R(v,s) (v) << (s)
-#endif
-
-static void
-CopyBits(char *dst, int shiftL, char *src, int bytes)
-{
-   /* Just get it to work.  Worry about speed later */
-    int shiftR = 8 - shiftL;
-
-    while(bytes--) {
-	*dst |= SHIFT_L(*src, shiftL);
-	*(dst + 1) |= SHIFT_R(*src, shiftR);
-	dst++; src++;
-    }     
-}
-
-
-/* Caution.  This doesn't support 2 and 4 bpp formats.  We expect
-   1 bpp and planar data to be already cleared when presented
-   to this function */
-
-void
-XineramaGetImageData(
-    DrawablePtr *pDrawables,
-    int left,
-    int top,
-    int width, 
-    int height,
-    unsigned int format,
-    unsigned long planemask,
-    char *data,
-    int pitch,
-    Bool isRoot
-){
-    RegionRec SrcRegion, GrabRegion;
-    BoxRec SrcBox, *pbox;
-    int x, y, w, h, i, j, nbox, size, sizeNeeded, ScratchPitch, inOut, depth;
-    DrawablePtr pDraw = pDrawables[0];
-    char *ScratchMem = NULL;
-
-    size = 0;
-
-    /* find box in logical screen space */
-    SrcBox.x1 = left;
-    SrcBox.y1 = top;
-    if(!isRoot) {
-	SrcBox.x1 += pDraw->x + panoramiXdataPtr[0].x;
-	SrcBox.y1 += pDraw->y + panoramiXdataPtr[0].y;
-    }
-    SrcBox.x2 = SrcBox.x1 + width;
-    SrcBox.y2 = SrcBox.y1 + height;
-    
-    REGION_INIT(pScreen, &SrcRegion, &SrcBox, 1);
-    REGION_NULL(pScreen, &GrabRegion);
-
-    depth = (format == XYPixmap) ? 1 : pDraw->depth;
-
-    for(i = 0; i < PanoramiXNumScreens; i++) {
-	pDraw = pDrawables[i];
-
-	inOut = RECT_IN_REGION(pScreen,&XineramaScreenRegions[i],&SrcBox);
-
-	if(inOut == rgnIN) {	   
-	    (*pDraw->pScreen->GetImage)(pDraw, 
-			SrcBox.x1 - pDraw->x - panoramiXdataPtr[i].x,
-			SrcBox.y1 - pDraw->y - panoramiXdataPtr[i].y, 
-			width, height, format, planemask, data);
-	    break;
-	} else if (inOut == rgnOUT)
-	    continue;
-
-	REGION_INTERSECT(pScreen, &GrabRegion, &SrcRegion, 
-					&XineramaScreenRegions[i]);
-
-	nbox = REGION_NUM_RECTS(&GrabRegion);
-
-	if(nbox) {
-	    pbox = REGION_RECTS(&GrabRegion);
-
-	    while(nbox--) {
-		w = pbox->x2 - pbox->x1;
-		h = pbox->y2 - pbox->y1;
-		ScratchPitch = PixmapBytePad(w, depth);
-		sizeNeeded = ScratchPitch * h;
-
-		if(sizeNeeded > size) {
-		    char *tmpdata = ScratchMem;
-		    ScratchMem = xrealloc(ScratchMem, sizeNeeded);
-		    if(ScratchMem)
-			size = sizeNeeded;
-		    else {
-			ScratchMem = tmpdata;
-			break;
-		    }	
-		}
-
-		x = pbox->x1 - pDraw->x - panoramiXdataPtr[i].x;
-		y = pbox->y1 - pDraw->y - panoramiXdataPtr[i].y;
-
-		(*pDraw->pScreen->GetImage)(pDraw, x, y, w, h, 
-					format, planemask, ScratchMem);
-		
-		/* copy the memory over */
-
-		if(depth == 1) {
-		   int k, shift, leftover, index, index2;
-		
-		   x = pbox->x1 - SrcBox.x1;
-		   y = pbox->y1 - SrcBox.y1;
-		   shift = x & 7;
-		   x >>= 3;
-		   leftover = w & 7;
-		   w >>= 3;
-
-		   /* clean up the edge */
-		   if(leftover) {
-			int mask = (1 << leftover) - 1;
-			for(j = h, k = w; j--; k += ScratchPitch)
-			    ScratchMem[k] &= mask;
-		   }
-
-		   for(j = 0, index = (pitch * y) + x, index2 = 0; j < h;
-		       j++, index += pitch, index2 += ScratchPitch) 
-		   {
-			if(w) {
-			    if(!shift)
-				memcpy(data + index, ScratchMem + index2, w);
-			    else
-				CopyBits(data + index, shift, 
-						ScratchMem + index2, w);
-			}
-	
-			if(leftover) {
-			    data[index + w] |= 
-				SHIFT_L(ScratchMem[index2 + w], shift);
-			    if((shift + leftover) > 8)
-				data[index + w + 1] |= 
-				  SHIFT_R(ScratchMem[index2 + w],(8 - shift));
-			}
-		    }
-		} else {
-		    j = BitsPerPixel(depth) >> 3;
-		    x = (pbox->x1 - SrcBox.x1) * j;
-		    y = pbox->y1 - SrcBox.y1;
-		    w *= j;
-
-		    for(j = 0; j < h; j++) {
-			memcpy(data + (pitch * (y + j)) + x, 
-				ScratchMem + (ScratchPitch * j), w);
-		    }
-		}
-		pbox++;
-	    }
-
-	    REGION_SUBTRACT(pScreen, &SrcRegion, &SrcRegion, &GrabRegion);
-	    if(!REGION_NOTEMPTY(pScreen, &SrcRegion))
-		break;
-	}
-	
-    }
-
-    if(ScratchMem)
-	xfree(ScratchMem);
-
-    REGION_UNINIT(pScreen, &SrcRegion);
-    REGION_UNINIT(pScreen, &GrabRegion);
-}
+/*****************************************************************

+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.

+******************************************************************/

+

+#ifdef HAVE_DIX_CONFIG_H

+#include <dix-config.h>

+#endif

+

+#ifdef HAVE_DMX_CONFIG_H

+#include <dmx-config.h>

+#endif

+

+#include <stdio.h>

+#include <X11/X.h>

+#include <X11/Xproto.h>

+#include <X11/Xarch.h>

+#include "misc.h"

+#include "cursor.h"

+#include "cursorstr.h"

+#include "extnsionst.h"

+#include "dixstruct.h"

+#include "gc.h"

+#include "gcstruct.h"

+#include "scrnintstr.h"

+#include "window.h"

+#include "windowstr.h"

+#include "pixmapstr.h"

+#include "panoramiX.h"

+#include <X11/extensions/panoramiXproto.h>

+#include "panoramiXsrv.h"

+#include "globals.h"

+#include "servermd.h"

+#include "resource.h"

+#include "picturestr.h"

+#include "modinit.h"

+#include "protocol-versions.h"

+

+#ifdef GLXPROXY

+extern VisualPtr glxMatchVisual(ScreenPtr pScreen,

+				VisualPtr pVisual,

+				ScreenPtr pMatchScreen);

+#endif

+

+/*

+ *	PanoramiX data declarations

+ */

+

+int 		PanoramiXPixWidth = 0;

+int 		PanoramiXPixHeight = 0;

+int 		PanoramiXNumScreens = 0;

+

+PanoramiXData *panoramiXdataPtr = NULL;

+static RegionRec   	PanoramiXScreenRegion = {{0, 0, 0, 0}, NULL};

+

+static int		PanoramiXNumDepths;

+static DepthPtr		PanoramiXDepths;

+static int		PanoramiXNumVisuals;

+static VisualPtr	PanoramiXVisuals;

+

+unsigned long XRC_DRAWABLE;

+unsigned long XRT_WINDOW;

+unsigned long XRT_PIXMAP;

+unsigned long XRT_GC;

+unsigned long XRT_COLORMAP;

+

+static Bool VisualsEqual(VisualPtr, ScreenPtr, VisualPtr);

+XineramaVisualsEqualProcPtr XineramaVisualsEqualPtr = &VisualsEqual;

+

+/*

+ *	Function prototypes

+ */

+

+static int panoramiXGeneration;

+static int ProcPanoramiXDispatch(ClientPtr client); 

+

+static void PanoramiXResetProc(ExtensionEntry*);

+

+/*

+ *	External references for functions and data variables

+ */

+

+#include "panoramiXh.h"

+

+int (* SavedProcVector[256]) (ClientPtr client) = { NULL, };

+

+static int PanoramiXGCKeyIndex;

+static DevPrivateKey PanoramiXGCKey = &PanoramiXGCKeyIndex;

+static int PanoramiXScreenKeyIndex;

+static DevPrivateKey PanoramiXScreenKey = &PanoramiXScreenKeyIndex;

+

+typedef struct {

+  DDXPointRec clipOrg;

+  DDXPointRec patOrg;

+  GCFuncs *wrapFuncs;

+} PanoramiXGCRec, *PanoramiXGCPtr;

+

+typedef struct {

+  CreateGCProcPtr	CreateGC;

+  CloseScreenProcPtr	CloseScreen;

+} PanoramiXScreenRec, *PanoramiXScreenPtr;

+

+RegionRec XineramaScreenRegions[MAXSCREENS];

+

+static void XineramaValidateGC(GCPtr, unsigned long, DrawablePtr);

+static void XineramaChangeGC(GCPtr, unsigned long);

+static void XineramaCopyGC(GCPtr, unsigned long, GCPtr);

+static void XineramaDestroyGC(GCPtr);

+static void XineramaChangeClip(GCPtr, int, pointer, int);

+static void XineramaDestroyClip(GCPtr);

+static void XineramaCopyClip(GCPtr, GCPtr);

+

+static GCFuncs XineramaGCFuncs = {

+    XineramaValidateGC, XineramaChangeGC, XineramaCopyGC, XineramaDestroyGC,

+    XineramaChangeClip, XineramaDestroyClip, XineramaCopyClip

+};

+

+#define Xinerama_GC_FUNC_PROLOGUE(pGC)\

+    PanoramiXGCPtr  pGCPriv = (PanoramiXGCPtr) \

+	dixLookupPrivate(&(pGC)->devPrivates, PanoramiXGCKey); \

+    (pGC)->funcs = pGCPriv->wrapFuncs;

+

+#define Xinerama_GC_FUNC_EPILOGUE(pGC)\

+    pGCPriv->wrapFuncs = (pGC)->funcs;\

+    (pGC)->funcs = &XineramaGCFuncs;

+

+

+static Bool

+XineramaCloseScreen (int i, ScreenPtr pScreen)

+{

+    PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr)

+	dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey);

+

+    pScreen->CloseScreen = pScreenPriv->CloseScreen;

+    pScreen->CreateGC = pScreenPriv->CreateGC;

+

+    REGION_UNINIT(pScreen, &XineramaScreenRegions[pScreen->myNum]);

+    if (pScreen->myNum == 0)

+	REGION_UNINIT(pScreen, &PanoramiXScreenRegion);

+

+    free((pointer) pScreenPriv);

+

+    return (*pScreen->CloseScreen) (i, pScreen);

+}

+

+static Bool

+XineramaCreateGC(GCPtr pGC)

+{

+    ScreenPtr pScreen = pGC->pScreen;

+    PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr)

+	dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey);

+    Bool ret;

+

+    pScreen->CreateGC = pScreenPriv->CreateGC;

+    if((ret = (*pScreen->CreateGC)(pGC))) {

+	PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr)

+	    dixLookupPrivate(&pGC->devPrivates, PanoramiXGCKey);

+

+	pGCPriv->wrapFuncs = pGC->funcs;

+        pGC->funcs = &XineramaGCFuncs;

+

+	pGCPriv->clipOrg.x = pGC->clipOrg.x; 

+	pGCPriv->clipOrg.y = pGC->clipOrg.y;

+	pGCPriv->patOrg.x = pGC->patOrg.x;

+	pGCPriv->patOrg.y = pGC->patOrg.y;

+    }

+    pScreen->CreateGC = XineramaCreateGC;

+

+    return ret;

+}

+

+static void

+XineramaValidateGC(

+   GCPtr         pGC,

+   unsigned long changes,

+   DrawablePtr   pDraw 

+){

+    Xinerama_GC_FUNC_PROLOGUE (pGC);

+

+    if((pDraw->type == DRAWABLE_WINDOW) && !(((WindowPtr)pDraw)->parent)) {

+	/* the root window */

+	int x_off = panoramiXdataPtr[pGC->pScreen->myNum].x;

+	int y_off = panoramiXdataPtr[pGC->pScreen->myNum].y;

+	int new_val;

+

+	new_val = pGCPriv->clipOrg.x - x_off;

+	if(pGC->clipOrg.x != new_val) {

+	    pGC->clipOrg.x = new_val;

+	    changes |= GCClipXOrigin;

+	}

+	new_val = pGCPriv->clipOrg.y - y_off;

+	if(pGC->clipOrg.y != new_val) {

+	    pGC->clipOrg.y = new_val;

+	    changes |= GCClipYOrigin;

+	}

+	new_val = pGCPriv->patOrg.x - x_off;

+	if(pGC->patOrg.x != new_val) {

+	    pGC->patOrg.x = new_val;

+	    changes |= GCTileStipXOrigin;

+	}

+	new_val = pGCPriv->patOrg.y - y_off;

+	if(pGC->patOrg.y != new_val) {

+	    pGC->patOrg.y = new_val;

+	    changes |= GCTileStipYOrigin;

+	}

+    } else {

+	if(pGC->clipOrg.x != pGCPriv->clipOrg.x) {

+	    pGC->clipOrg.x = pGCPriv->clipOrg.x;

+	    changes |= GCClipXOrigin;

+	}

+	if(pGC->clipOrg.y != pGCPriv->clipOrg.y) {

+	    pGC->clipOrg.y = pGCPriv->clipOrg.y;

+	    changes |= GCClipYOrigin;

+	}

+	if(pGC->patOrg.x != pGCPriv->patOrg.x) {

+	    pGC->patOrg.x = pGCPriv->patOrg.x;

+	    changes |= GCTileStipXOrigin;

+	}

+	if(pGC->patOrg.y != pGCPriv->patOrg.y) {

+	    pGC->patOrg.y = pGCPriv->patOrg.y;

+	    changes |= GCTileStipYOrigin;

+	}

+    }

+  

+    (*pGC->funcs->ValidateGC)(pGC, changes, pDraw);

+    Xinerama_GC_FUNC_EPILOGUE (pGC);

+}

+

+static void

+XineramaDestroyGC(GCPtr pGC)

+{

+    Xinerama_GC_FUNC_PROLOGUE (pGC);

+    (*pGC->funcs->DestroyGC)(pGC);

+    Xinerama_GC_FUNC_EPILOGUE (pGC);

+}

+

+static void

+XineramaChangeGC (

+    GCPtr	    pGC,

+    unsigned long   mask

+){

+    Xinerama_GC_FUNC_PROLOGUE (pGC);

+

+    if(mask & GCTileStipXOrigin)

+	pGCPriv->patOrg.x = pGC->patOrg.x;

+    if(mask & GCTileStipYOrigin)

+	pGCPriv->patOrg.y = pGC->patOrg.y;

+    if(mask & GCClipXOrigin)

+	pGCPriv->clipOrg.x = pGC->clipOrg.x; 

+    if(mask & GCClipYOrigin)

+	pGCPriv->clipOrg.y = pGC->clipOrg.y;

+

+    (*pGC->funcs->ChangeGC) (pGC, mask);

+    Xinerama_GC_FUNC_EPILOGUE (pGC);

+}

+

+static void

+XineramaCopyGC (

+    GCPtr	    pGCSrc, 

+    unsigned long   mask,

+    GCPtr	    pGCDst

+){

+    PanoramiXGCPtr pSrcPriv = (PanoramiXGCPtr)

+	dixLookupPrivate(&pGCSrc->devPrivates, PanoramiXGCKey);

+    Xinerama_GC_FUNC_PROLOGUE (pGCDst);

+

+    if(mask & GCTileStipXOrigin)

+        pGCPriv->patOrg.x = pSrcPriv->patOrg.x;

+    if(mask & GCTileStipYOrigin)

+        pGCPriv->patOrg.y = pSrcPriv->patOrg.y;

+    if(mask & GCClipXOrigin)

+        pGCPriv->clipOrg.x = pSrcPriv->clipOrg.x;

+    if(mask & GCClipYOrigin)

+        pGCPriv->clipOrg.y = pSrcPriv->clipOrg.y;

+

+    (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst);

+    Xinerama_GC_FUNC_EPILOGUE (pGCDst);

+}

+

+static void

+XineramaChangeClip (

+    GCPtr   pGC,

+    int		type,

+    pointer	pvalue,

+    int		nrects 

+){

+    Xinerama_GC_FUNC_PROLOGUE (pGC);

+    (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects);

+    Xinerama_GC_FUNC_EPILOGUE (pGC);

+}

+

+static void

+XineramaCopyClip(GCPtr pgcDst, GCPtr pgcSrc)

+{

+    Xinerama_GC_FUNC_PROLOGUE (pgcDst);

+    (* pgcDst->funcs->CopyClip)(pgcDst, pgcSrc);

+    Xinerama_GC_FUNC_EPILOGUE (pgcDst);

+}

+

+static void

+XineramaDestroyClip(GCPtr pGC)

+{

+    Xinerama_GC_FUNC_PROLOGUE (pGC);

+    (* pGC->funcs->DestroyClip)(pGC);

+    Xinerama_GC_FUNC_EPILOGUE (pGC);

+}

+

+int

+XineramaDeleteResource(pointer data, XID id)

+{

+    free(data);

+    return 1;

+}

+

+typedef struct {

+   int screen;

+   int id;

+} PanoramiXSearchData; 

+

+static Bool 

+XineramaFindIDByScrnum(pointer resource, XID id, pointer privdata)

+{

+    PanoramiXRes *res = (PanoramiXRes*)resource;

+    PanoramiXSearchData *data = (PanoramiXSearchData*)privdata;

+    

+    return (res->info[data->screen].id == data->id);

+}

+

+PanoramiXRes *

+PanoramiXFindIDByScrnum(RESTYPE type, XID id, int screen)

+{

+    PanoramiXSearchData data;

+    pointer val;

+

+    if(!screen) {

+	dixLookupResourceByType(&val, id, type, serverClient, DixReadAccess);

+	return val;

+    }

+

+    data.screen = screen;

+    data.id = id;

+

+    return LookupClientResourceComplex(clients[CLIENT_ID(id)], type,

+		XineramaFindIDByScrnum, &data);

+}

+

+typedef struct _connect_callback_list {

+    void (*func)(void);

+    struct _connect_callback_list *next;

+} XineramaConnectionCallbackList;

+

+static XineramaConnectionCallbackList *ConnectionCallbackList = NULL;

+

+Bool

+XineramaRegisterConnectionBlockCallback(void (*func)(void))

+{

+    XineramaConnectionCallbackList *newlist;

+

+    if(!(newlist = malloc(sizeof(XineramaConnectionCallbackList))))

+	return FALSE;

+

+    newlist->next = ConnectionCallbackList;

+    newlist->func = func;

+    ConnectionCallbackList = newlist;

+

+    return TRUE;

+}

+

+static void XineramaInitData(ScreenPtr pScreen)

+{

+    int i, w, h;

+

+    REGION_NULL(pScreen, &PanoramiXScreenRegion)

+    for (i = 0; i < PanoramiXNumScreens; i++) {

+	BoxRec TheBox;

+

+        pScreen = screenInfo.screens[i];

+

+	panoramiXdataPtr[i].x = dixScreenOrigins[i].x;

+	panoramiXdataPtr[i].y = dixScreenOrigins[i].y;

+	panoramiXdataPtr[i].width = pScreen->width;

+	panoramiXdataPtr[i].height = pScreen->height;

+

+	TheBox.x1 = panoramiXdataPtr[i].x;

+	TheBox.x2 = TheBox.x1 + panoramiXdataPtr[i].width;

+	TheBox.y1 = panoramiXdataPtr[i].y;

+	TheBox.y2 = TheBox.y1 + panoramiXdataPtr[i].height;

+

+	REGION_INIT(pScreen, &XineramaScreenRegions[i], &TheBox, 1);

+	REGION_UNION(pScreen, &PanoramiXScreenRegion, &PanoramiXScreenRegion,

+		     &XineramaScreenRegions[i]);

+    }

+

+    PanoramiXPixWidth = panoramiXdataPtr[0].x + panoramiXdataPtr[0].width;

+    PanoramiXPixHeight = panoramiXdataPtr[0].y + panoramiXdataPtr[0].height;

+

+    for (i = 1; i < PanoramiXNumScreens; i++) {

+	w = panoramiXdataPtr[i].x + panoramiXdataPtr[i].width;

+	h = panoramiXdataPtr[i].y + panoramiXdataPtr[i].height;

+

+	if (PanoramiXPixWidth < w)

+	    PanoramiXPixWidth = w;

+	if (PanoramiXPixHeight < h)

+	    PanoramiXPixHeight = h;

+    }

+}

+

+void XineramaReinitData(ScreenPtr pScreen)

+{

+    int i;

+

+    REGION_UNINIT(pScreen, &PanoramiXScreenRegion);

+    for (i = 0; i < PanoramiXNumScreens; i++)

+	REGION_UNINIT(pScreen, &XineramaScreenRegions[i]);

+

+    XineramaInitData(pScreen);

+}

+

+/*

+ *	PanoramiXExtensionInit():

+ *		Called from InitExtensions in main().  

+ *		Register PanoramiXeen Extension

+ *		Initialize global variables.

+ */ 

+

+void PanoramiXExtensionInit(int argc, char *argv[])

+{

+    int 	     	i;

+    Bool	     	success = FALSE;

+    ExtensionEntry 	*extEntry;

+    ScreenPtr		pScreen = screenInfo.screens[0];

+    PanoramiXScreenPtr	pScreenPriv;

+

+    if (noPanoramiXExtension) 

+	return;

+

+    PanoramiXNumScreens = screenInfo.numScreens;

+    if (PanoramiXNumScreens == 1) {		/* Only 1 screen 	*/

+	noPanoramiXExtension = TRUE;

+	return;

+    }

+

+    while (panoramiXGeneration != serverGeneration) {

+	extEntry = AddExtension(PANORAMIX_PROTOCOL_NAME, 0,0, 

+				ProcPanoramiXDispatch,

+				SProcPanoramiXDispatch, PanoramiXResetProc, 

+				StandardMinorOpcode);

+	if (!extEntry)

+	    break;

+

+	/*

+	 *	First make sure all the basic allocations succeed.  If not,

+	 *	run in non-PanoramiXeen mode.

+	 */

+

+	panoramiXdataPtr = (PanoramiXData *) 

+		calloc(PanoramiXNumScreens, sizeof(PanoramiXData));

+

+	if (!panoramiXdataPtr)

+	    break;

+

+	if (!dixRequestPrivate(PanoramiXGCKey, sizeof(PanoramiXGCRec))) {

+		noPanoramiXExtension = TRUE;

+		return;

+	}

+	

+	for (i = 0; i < PanoramiXNumScreens; i++) {

+	   pScreen = screenInfo.screens[i];

+	   pScreenPriv = malloc(sizeof(PanoramiXScreenRec));

+	   dixSetPrivate(&pScreen->devPrivates, PanoramiXScreenKey,

+			 pScreenPriv);

+	   if(!pScreenPriv) {

+		noPanoramiXExtension = TRUE;

+		return;

+	   }

+	

+	   pScreenPriv->CreateGC = pScreen->CreateGC;

+	   pScreenPriv->CloseScreen = pScreen->CloseScreen;

+	

+	   pScreen->CreateGC = XineramaCreateGC;

+	   pScreen->CloseScreen = XineramaCloseScreen;

+	}

+

+	XRC_DRAWABLE = CreateNewResourceClass();

+	XRT_WINDOW = CreateNewResourceType(XineramaDeleteResource,

+					   "XineramaWindow");

+	if (XRT_WINDOW)

+	    XRT_WINDOW |= XRC_DRAWABLE;

+	XRT_PIXMAP = CreateNewResourceType(XineramaDeleteResource,

+					   "XineramaPixmap");

+	if (XRT_PIXMAP)

+	    XRT_PIXMAP |= XRC_DRAWABLE;

+	XRT_GC = CreateNewResourceType(XineramaDeleteResource,

+				       "XineramaGC");

+	XRT_COLORMAP = CreateNewResourceType(XineramaDeleteResource,

+					     "XineramaColormap");

+

+	if (XRT_WINDOW && XRT_PIXMAP && XRT_GC && XRT_COLORMAP) {

+	    panoramiXGeneration = serverGeneration;

+	    success = TRUE;

+	}

+    }

+

+    if (!success) {

+	noPanoramiXExtension = TRUE;

+	ErrorF(PANORAMIX_PROTOCOL_NAME " extension failed to initialize\n");

+	return;

+    }

+  

+    XineramaInitData(pScreen);

+

+    /*

+     *	Put our processes into the ProcVector

+     */

+

+    for (i = 256; i--; )

+	SavedProcVector[i] = ProcVector[i];

+

+    ProcVector[X_CreateWindow] = PanoramiXCreateWindow;

+    ProcVector[X_ChangeWindowAttributes] = PanoramiXChangeWindowAttributes;

+    ProcVector[X_DestroyWindow] = PanoramiXDestroyWindow;

+    ProcVector[X_DestroySubwindows] = PanoramiXDestroySubwindows;

+    ProcVector[X_ChangeSaveSet] = PanoramiXChangeSaveSet;

+    ProcVector[X_ReparentWindow] = PanoramiXReparentWindow;

+    ProcVector[X_MapWindow] = PanoramiXMapWindow;

+    ProcVector[X_MapSubwindows] = PanoramiXMapSubwindows;

+    ProcVector[X_UnmapWindow] = PanoramiXUnmapWindow;

+    ProcVector[X_UnmapSubwindows] = PanoramiXUnmapSubwindows;

+    ProcVector[X_ConfigureWindow] = PanoramiXConfigureWindow;

+    ProcVector[X_CirculateWindow] = PanoramiXCirculateWindow;

+    ProcVector[X_GetGeometry] = PanoramiXGetGeometry;

+    ProcVector[X_TranslateCoords] = PanoramiXTranslateCoords;

+    ProcVector[X_CreatePixmap] = PanoramiXCreatePixmap;

+    ProcVector[X_FreePixmap] = PanoramiXFreePixmap;

+    ProcVector[X_CreateGC] = PanoramiXCreateGC;

+    ProcVector[X_ChangeGC] = PanoramiXChangeGC;

+    ProcVector[X_CopyGC] = PanoramiXCopyGC;

+    ProcVector[X_SetDashes] = PanoramiXSetDashes;

+    ProcVector[X_SetClipRectangles] = PanoramiXSetClipRectangles;

+    ProcVector[X_FreeGC] = PanoramiXFreeGC;

+    ProcVector[X_ClearArea] = PanoramiXClearToBackground;

+    ProcVector[X_CopyArea] = PanoramiXCopyArea;

+    ProcVector[X_CopyPlane] = PanoramiXCopyPlane;

+    ProcVector[X_PolyPoint] = PanoramiXPolyPoint;

+    ProcVector[X_PolyLine] = PanoramiXPolyLine;

+    ProcVector[X_PolySegment] = PanoramiXPolySegment;

+    ProcVector[X_PolyRectangle] = PanoramiXPolyRectangle;

+    ProcVector[X_PolyArc] = PanoramiXPolyArc;

+    ProcVector[X_FillPoly] = PanoramiXFillPoly;

+    ProcVector[X_PolyFillRectangle] = PanoramiXPolyFillRectangle;

+    ProcVector[X_PolyFillArc] = PanoramiXPolyFillArc;

+    ProcVector[X_PutImage] = PanoramiXPutImage;

+    ProcVector[X_GetImage] = PanoramiXGetImage;

+    ProcVector[X_PolyText8] = PanoramiXPolyText8;

+    ProcVector[X_PolyText16] = PanoramiXPolyText16;

+    ProcVector[X_ImageText8] = PanoramiXImageText8;

+    ProcVector[X_ImageText16] = PanoramiXImageText16;

+    ProcVector[X_CreateColormap] = PanoramiXCreateColormap;

+    ProcVector[X_FreeColormap] = PanoramiXFreeColormap;

+    ProcVector[X_CopyColormapAndFree] = PanoramiXCopyColormapAndFree;

+    ProcVector[X_InstallColormap] = PanoramiXInstallColormap;

+    ProcVector[X_UninstallColormap] = PanoramiXUninstallColormap;

+    ProcVector[X_AllocColor] = PanoramiXAllocColor;

+    ProcVector[X_AllocNamedColor] = PanoramiXAllocNamedColor;

+    ProcVector[X_AllocColorCells] = PanoramiXAllocColorCells;

+    ProcVector[X_AllocColorPlanes] = PanoramiXAllocColorPlanes;

+    ProcVector[X_FreeColors] = PanoramiXFreeColors;

+    ProcVector[X_StoreColors] = PanoramiXStoreColors;

+    ProcVector[X_StoreNamedColor] = PanoramiXStoreNamedColor;

+

+    PanoramiXRenderInit ();

+}

+

+extern Bool CreateConnectionBlock(void);

+

+Bool PanoramiXCreateConnectionBlock(void)

+{

+    int i, j, length;

+    Bool disableBackingStore = FALSE;

+    int old_width, old_height;

+    float width_mult, height_mult;

+    xWindowRoot *root;

+    xVisualType *visual;

+    xDepth *depth;

+    VisualPtr pVisual;

+    ScreenPtr pScreen;

+

+    /*

+     *	Do normal CreateConnectionBlock but faking it for only one screen

+     */

+

+    if(!PanoramiXNumDepths) {

+	ErrorF("Xinerama error: No common visuals\n");

+	return FALSE;

+    }

+

+    for(i = 1; i < screenInfo.numScreens; i++) {

+	pScreen = screenInfo.screens[i];

+	if(pScreen->rootDepth != screenInfo.screens[0]->rootDepth) {

+	    ErrorF("Xinerama error: Root window depths differ\n");

+	    return FALSE;

+	}

+	if(pScreen->backingStoreSupport != screenInfo.screens[0]->backingStoreSupport)

+	     disableBackingStore = TRUE;

+    }

+

+    if (disableBackingStore) {

+    	for (i = 0; i < screenInfo.numScreens; i++) {

+	    pScreen = screenInfo.screens[i];

+	    pScreen->backingStoreSupport = NotUseful;

+	}

+    }

+

+    i = screenInfo.numScreens;

+    screenInfo.numScreens = 1;

+    if (!CreateConnectionBlock()) {

+	screenInfo.numScreens = i;

+	return FALSE;

+    }

+

+    screenInfo.numScreens = i;

+    

+    root = (xWindowRoot *) (ConnectionInfo + connBlockScreenStart);

+    length = connBlockScreenStart + sizeof(xWindowRoot);

+

+    /* overwrite the connection block */

+    root->nDepths = PanoramiXNumDepths;

+

+    for (i = 0; i < PanoramiXNumDepths; i++) {

+	depth = (xDepth *) (ConnectionInfo + length);

+	depth->depth = PanoramiXDepths[i].depth;

+	depth->nVisuals = PanoramiXDepths[i].numVids;

+	length += sizeof(xDepth);

+	visual = (xVisualType *)(ConnectionInfo + length);

+	

+	for (j = 0; j < depth->nVisuals; j++, visual++) {

+	    visual->visualID = PanoramiXDepths[i].vids[j];

+

+	    for (pVisual = PanoramiXVisuals;

+		 pVisual->vid != visual->visualID;

+		 pVisual++)

+	         ;

+

+	    visual->class = pVisual->class;

+	    visual->bitsPerRGB = pVisual->bitsPerRGBValue;

+	    visual->colormapEntries = pVisual->ColormapEntries;

+	    visual->redMask = pVisual->redMask;

+	    visual->greenMask = pVisual->greenMask;

+	    visual->blueMask = pVisual->blueMask;

+	}

+

+	length += (depth->nVisuals * sizeof(xVisualType));

+    }

+

+    connSetupPrefix.length = bytes_to_int32(length);

+

+    for (i = 0; i < PanoramiXNumDepths; i++)

+	free(PanoramiXDepths[i].vids);

+    free(PanoramiXDepths);

+    PanoramiXDepths = NULL;

+

+    /*

+     *  OK, change some dimensions so it looks as if it were one big screen

+     */

+    

+    old_width = root->pixWidth;

+    old_height = root->pixHeight;

+

+    root->pixWidth = PanoramiXPixWidth;

+    root->pixHeight = PanoramiXPixHeight;

+    width_mult = (1.0 * root->pixWidth) / old_width;

+    height_mult = (1.0 * root->pixHeight) / old_height;

+    root->mmWidth *= width_mult;

+    root->mmHeight *= height_mult;

+

+    while(ConnectionCallbackList) {

+	pointer tmp;

+

+	tmp = (pointer)ConnectionCallbackList;

+	(*ConnectionCallbackList->func)();

+	ConnectionCallbackList = ConnectionCallbackList->next;

+	free(tmp);

+    }

+

+    return TRUE;

+}

+

+/*

+ * This isn't just memcmp(), bitsPerRGBValue is skipped.  markv made that

+ * change way back before xf86 4.0, but the comment for _why_ is a bit

+ * opaque, so I'm not going to question it for now.

+ *

+ * This is probably better done as a screen hook so DBE/EVI/GLX can add

+ * their own tests, and adding privates to VisualRec so they don't have to

+ * do their own back-mapping.

+ */

+static Bool

+VisualsEqual(VisualPtr a, ScreenPtr pScreenB, VisualPtr b)

+{

+    return ((a->class == b->class) &&

+	(a->ColormapEntries == b->ColormapEntries) &&

+	(a->nplanes == b->nplanes) &&

+	(a->redMask == b->redMask) &&

+	(a->greenMask == b->greenMask) &&

+	(a->blueMask == b->blueMask) &&

+	(a->offsetRed == b->offsetRed) &&

+	(a->offsetGreen == b->offsetGreen) &&

+	(a->offsetBlue == b->offsetBlue));

+}

+

+static void

+PanoramiXMaybeAddDepth(DepthPtr pDepth)

+{

+    ScreenPtr pScreen;

+    int j, k;

+    Bool found = FALSE;

+

+    for (j = 1; j < PanoramiXNumScreens; j++) {

+	pScreen = screenInfo.screens[j];

+	for (k = 0; k < pScreen->numDepths; k++) {

+	    if (pScreen->allowedDepths[k].depth == pDepth->depth) {

+		found = TRUE;

+		break;

+	    }

+	}

+    }

+

+    if (!found)

+	return;

+

+    j = PanoramiXNumDepths;

+    PanoramiXNumDepths++;

+    PanoramiXDepths = realloc(PanoramiXDepths,

+	    PanoramiXNumDepths * sizeof(DepthRec));

+    PanoramiXDepths[j].depth = pDepth->depth;

+    PanoramiXDepths[j].numVids = 0;

+    /* XXX suboptimal, should grow these dynamically */

+    if(pDepth->numVids)

+	PanoramiXDepths[j].vids = malloc(sizeof(VisualID) * pDepth->numVids);

+    else

+	PanoramiXDepths[j].vids = NULL;

+}

+

+static void

+PanoramiXMaybeAddVisual(VisualPtr pVisual)

+{

+    ScreenPtr pScreen;

+    int j, k;

+    Bool found = FALSE;

+

+    for (j = 1; j < PanoramiXNumScreens; j++) {

+	pScreen = screenInfo.screens[j];

+	found = FALSE;

+

+	for (k = 0; k < pScreen->numVisuals; k++) {

+	    VisualPtr candidate = &pScreen->visuals[k];

+

+	    if ((*XineramaVisualsEqualPtr)(pVisual, pScreen, candidate)

+#ifdef GLXPROXY

+		&& glxMatchVisual(screenInfo.screens[0], pVisual, pScreen)

+#endif

+		    ) {

+		found = TRUE;

+		break;

+	    }

+	}

+

+	if (!found)

+	    return;

+    }

+

+    /* found a matching visual on all screens, add it to the subset list */

+    j = PanoramiXNumVisuals;

+    PanoramiXNumVisuals++;

+    PanoramiXVisuals = realloc(PanoramiXVisuals,

+	    PanoramiXNumVisuals * sizeof(VisualRec));

+

+    memcpy(&PanoramiXVisuals[j], pVisual, sizeof(VisualRec));

+

+    for (k = 0; k < PanoramiXNumDepths; k++) {

+	if (PanoramiXDepths[k].depth == pVisual->nplanes) {

+	    PanoramiXDepths[k].vids[PanoramiXDepths[k].numVids] = pVisual->vid;

+	    PanoramiXDepths[k].numVids++;

+	    break;

+	}	

+    }   

+}

+

+extern void

+PanoramiXConsolidate(void)

+{

+    int 	i;

+    PanoramiXRes *root, *defmap, *saver;

+    ScreenPtr   pScreen = screenInfo.screens[0];

+    DepthPtr    pDepth = pScreen->allowedDepths;

+    VisualPtr   pVisual = pScreen->visuals;

+

+    PanoramiXNumDepths = 0;

+    PanoramiXNumVisuals = 0;

+

+    for (i = 0; i < pScreen->numDepths; i++)

+	PanoramiXMaybeAddDepth(pDepth++);

+

+    for (i = 0; i < pScreen->numVisuals; i++)

+	PanoramiXMaybeAddVisual(pVisual++);

+

+    root = malloc(sizeof(PanoramiXRes));

+    root->type = XRT_WINDOW;

+    defmap = malloc(sizeof(PanoramiXRes));

+    defmap->type = XRT_COLORMAP;

+    saver = malloc(sizeof(PanoramiXRes));

+    saver->type = XRT_WINDOW;

+

+    for (i =  0; i < PanoramiXNumScreens; i++) {

+	root->info[i].id = WindowTable[i]->drawable.id;

+	root->u.win.class = InputOutput;

+        root->u.win.root = TRUE;

+        saver->info[i].id = savedScreenInfo[i].wid;

+        saver->u.win.class = InputOutput;

+        saver->u.win.root = TRUE;

+	defmap->info[i].id = (screenInfo.screens[i])->defColormap;

+    }

+

+    AddResource(root->info[0].id, XRT_WINDOW, root);

+    AddResource(saver->info[0].id, XRT_WINDOW, saver);

+    AddResource(defmap->info[0].id, XRT_COLORMAP, defmap);

+}

+

+VisualID

+PanoramiXTranslateVisualID(int screen, VisualID orig)

+{

+    ScreenPtr pOtherScreen = screenInfo.screens[screen];

+    VisualPtr pVisual = NULL;

+    int i;

+

+    for (i = 0; i < PanoramiXNumVisuals; i++) {

+	if (orig == PanoramiXVisuals[i].vid) {

+	    pVisual = &PanoramiXVisuals[i];

+	    break;

+	}

+    }

+

+    if (!pVisual)

+	return 0;

+

+    /* if screen is 0, orig is already the correct visual ID */

+    if (screen == 0)

+	return orig;

+

+    /* found the original, now translate it relative to the backend screen */

+    for (i = 0; i < pOtherScreen->numVisuals; i++) {

+	VisualPtr pOtherVisual = &pOtherScreen->visuals[i];

+

+	if ((*XineramaVisualsEqualPtr)(pVisual, pOtherScreen, pOtherVisual))

+	    return pOtherVisual->vid;

+    }

+

+    return 0;

+}

+

+

+/*

+ *	PanoramiXResetProc()

+ *		Exit, deallocating as needed.

+ */

+

+static void PanoramiXResetProc(ExtensionEntry* extEntry)

+{

+    int		i;

+

+    PanoramiXRenderReset ();

+    screenInfo.numScreens = PanoramiXNumScreens;

+    for (i = 256; i--; )

+	ProcVector[i] = SavedProcVector[i];

+

+    free(panoramiXdataPtr);

+}

+

+

+int

+ProcPanoramiXQueryVersion (ClientPtr client)

+{

+    /* REQUEST(xPanoramiXQueryVersionReq); */

+    xPanoramiXQueryVersionReply		rep;

+    register 	int			n;

+

+    REQUEST_SIZE_MATCH (xPanoramiXQueryVersionReq);

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+    rep.majorVersion = SERVER_PANORAMIX_MAJOR_VERSION;

+    rep.minorVersion = SERVER_PANORAMIX_MINOR_VERSION;

+    if (client->swapped) { 

+        swaps(&rep.sequenceNumber, n);

+        swapl(&rep.length, n);     

+        swaps(&rep.majorVersion, n);

+        swaps(&rep.minorVersion, n);

+    }

+    WriteToClient(client, sizeof (xPanoramiXQueryVersionReply), (char *)&rep);

+    return Success;

+}

+

+int

+ProcPanoramiXGetState(ClientPtr client)

+{

+	REQUEST(xPanoramiXGetStateReq);

+    	WindowPtr			pWin;

+	xPanoramiXGetStateReply		rep;

+	int			n, rc;

+	

+	REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);

+	rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);

+	if (rc != Success)

+	    return rc;

+

+	rep.type = X_Reply;

+	rep.length = 0;

+	rep.sequenceNumber = client->sequence;

+	rep.state = !noPanoramiXExtension;

+	rep.window = stuff->window;

+    	if (client->swapped) {

+	    swaps (&rep.sequenceNumber, n);

+	    swapl (&rep.length, n);

+	    swapl (&rep.window, n);

+	}	

+	WriteToClient (client, sizeof (xPanoramiXGetStateReply), (char *) &rep);

+	return Success;

+

+}

+

+int 

+ProcPanoramiXGetScreenCount(ClientPtr client)

+{

+	REQUEST(xPanoramiXGetScreenCountReq);

+    	WindowPtr			pWin;

+	xPanoramiXGetScreenCountReply	rep;

+	int			n, rc;

+

+	REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);

+	rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);

+	if (rc != Success)

+	    return rc;

+

+	rep.type = X_Reply;

+	rep.length = 0;

+	rep.sequenceNumber = client->sequence;

+	rep.ScreenCount = PanoramiXNumScreens;

+	rep.window = stuff->window;

+    	if (client->swapped) {

+	    swaps (&rep.sequenceNumber, n);

+	    swapl (&rep.length, n);

+	    swapl (&rep.window, n);

+	}	

+	WriteToClient (client, sizeof (xPanoramiXGetScreenCountReply), (char *) &rep);

+	return Success;

+}

+

+int 

+ProcPanoramiXGetScreenSize(ClientPtr client)

+{

+	REQUEST(xPanoramiXGetScreenSizeReq);

+    	WindowPtr			pWin;

+	xPanoramiXGetScreenSizeReply	rep;

+	int			n, rc;

+	

+	if (stuff->screen >= PanoramiXNumScreens)

+	    return BadMatch;

+

+	REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);

+	rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);

+	if (rc != Success)

+	    return rc;

+

+	rep.type = X_Reply;

+	rep.length = 0;

+	rep.sequenceNumber = client->sequence;

+		/* screen dimensions */

+	rep.width  = panoramiXdataPtr[stuff->screen].width; 

+	rep.height = panoramiXdataPtr[stuff->screen].height; 

+	rep.window = stuff->window;

+	rep.screen = stuff->screen;

+    	if (client->swapped) {

+	    swaps (&rep.sequenceNumber, n);

+	    swapl (&rep.length, n);

+	    swapl (&rep.width, n);

+	    swapl (&rep.height, n);

+	    swapl (&rep.window, n);

+	    swapl (&rep.screen, n);

+	}	

+	WriteToClient (client, sizeof (xPanoramiXGetScreenSizeReply), (char *) &rep);

+	return Success;

+}

+

+

+int

+ProcXineramaIsActive(ClientPtr client)

+{

+    /* REQUEST(xXineramaIsActiveReq); */

+    xXineramaIsActiveReply	rep;

+

+    REQUEST_SIZE_MATCH(xXineramaIsActiveReq);

+

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+#if 1

+    {

+	/* The following hack fools clients into thinking that Xinerama

+	 * is disabled even though it is not. */

+	rep.state = !noPanoramiXExtension && !PanoramiXExtensionDisabledHack;

+    }

+#else

+    rep.state = !noPanoramiXExtension;

+#endif

+    if (client->swapped) {

+	int n;

+	swaps (&rep.sequenceNumber, n);

+	swapl (&rep.length, n);

+	swapl (&rep.state, n);

+    }	

+    WriteToClient (client, sizeof (xXineramaIsActiveReply), (char *) &rep);

+    return Success;

+}

+

+

+int

+ProcXineramaQueryScreens(ClientPtr client)

+{

+    /* REQUEST(xXineramaQueryScreensReq); */

+    xXineramaQueryScreensReply	rep;

+

+    REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);

+

+    rep.type = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.number = (noPanoramiXExtension) ? 0 : PanoramiXNumScreens;

+    rep.length = bytes_to_int32(rep.number * sz_XineramaScreenInfo);

+    if (client->swapped) {

+	int n;

+	swaps (&rep.sequenceNumber, n);

+	swapl (&rep.length, n);

+	swapl (&rep.number, n);

+    }	

+    WriteToClient (client, sizeof (xXineramaQueryScreensReply), (char *) &rep);

+

+    if(!noPanoramiXExtension) {

+	xXineramaScreenInfo scratch;

+	int i;

+

+	for(i = 0; i < PanoramiXNumScreens; i++) {

+	    scratch.x_org  = panoramiXdataPtr[i].x;

+	    scratch.y_org  = panoramiXdataPtr[i].y;

+	    scratch.width  = panoramiXdataPtr[i].width;

+	    scratch.height = panoramiXdataPtr[i].height;

+	

+	    if(client->swapped) {

+		int n;

+		swaps (&scratch.x_org, n);

+		swaps (&scratch.y_org, n);

+		swaps (&scratch.width, n);

+		swaps (&scratch.height, n);

+	    }

+	    WriteToClient (client, sz_XineramaScreenInfo, (char *) &scratch);

+	}

+    }

+

+    return Success;

+}

+

+

+static int

+ProcPanoramiXDispatch (ClientPtr client)

+{   REQUEST(xReq);

+    switch (stuff->data)

+    {

+	case X_PanoramiXQueryVersion:

+	     return ProcPanoramiXQueryVersion(client);

+	case X_PanoramiXGetState:

+	     return ProcPanoramiXGetState(client);

+	case X_PanoramiXGetScreenCount:

+	     return ProcPanoramiXGetScreenCount(client);

+	case X_PanoramiXGetScreenSize:

+	     return ProcPanoramiXGetScreenSize(client);

+	case X_XineramaIsActive:

+	     return ProcXineramaIsActive(client);

+	case X_XineramaQueryScreens:

+	     return ProcXineramaQueryScreens(client);

+    }

+    return BadRequest;

+}

+

+

+#if X_BYTE_ORDER == X_LITTLE_ENDIAN

+#define SHIFT_L(v,s) (v) << (s)

+#define SHIFT_R(v,s) (v) >> (s)

+#else

+#define SHIFT_L(v,s) (v) >> (s)

+#define SHIFT_R(v,s) (v) << (s)

+#endif

+

+static void

+CopyBits(char *dst, int shiftL, char *src, int bytes)

+{

+   /* Just get it to work.  Worry about speed later */

+    int shiftR = 8 - shiftL;

+

+    while(bytes--) {

+	*dst |= SHIFT_L(*src, shiftL);

+	*(dst + 1) |= SHIFT_R(*src, shiftR);

+	dst++; src++;

+    }     

+}

+

+

+/* Caution.  This doesn't support 2 and 4 bpp formats.  We expect

+   1 bpp and planar data to be already cleared when presented

+   to this function */

+

+void

+XineramaGetImageData(

+    DrawablePtr *pDrawables,

+    int left,

+    int top,

+    int width, 

+    int height,

+    unsigned int format,

+    unsigned long planemask,

+    char *data,

+    int pitch,

+    Bool isRoot

+){

+    RegionRec SrcRegion, GrabRegion;

+    BoxRec SrcBox, *pbox;

+    int x, y, w, h, i, j, nbox, size, sizeNeeded, ScratchPitch, inOut, depth;

+    DrawablePtr pDraw = pDrawables[0];

+    char *ScratchMem = NULL;

+

+    size = 0;

+

+    /* find box in logical screen space */

+    SrcBox.x1 = left;

+    SrcBox.y1 = top;

+    if(!isRoot) {

+	SrcBox.x1 += pDraw->x + panoramiXdataPtr[0].x;

+	SrcBox.y1 += pDraw->y + panoramiXdataPtr[0].y;

+    }

+    SrcBox.x2 = SrcBox.x1 + width;

+    SrcBox.y2 = SrcBox.y1 + height;

+    

+    REGION_INIT(pScreen, &SrcRegion, &SrcBox, 1);

+    REGION_NULL(pScreen, &GrabRegion);

+

+    depth = (format == XYPixmap) ? 1 : pDraw->depth;

+

+    for(i = 0; i < PanoramiXNumScreens; i++) {

+	pDraw = pDrawables[i];

+

+	inOut = RECT_IN_REGION(pScreen,&XineramaScreenRegions[i],&SrcBox);

+

+	if(inOut == rgnIN) {	   

+	    (*pDraw->pScreen->GetImage)(pDraw, 

+			SrcBox.x1 - pDraw->x - panoramiXdataPtr[i].x,

+			SrcBox.y1 - pDraw->y - panoramiXdataPtr[i].y, 

+			width, height, format, planemask, data);

+	    break;

+	} else if (inOut == rgnOUT)

+	    continue;

+

+	REGION_INTERSECT(pScreen, &GrabRegion, &SrcRegion, 

+					&XineramaScreenRegions[i]);

+

+	nbox = REGION_NUM_RECTS(&GrabRegion);

+

+	if(nbox) {

+	    pbox = REGION_RECTS(&GrabRegion);

+

+	    while(nbox--) {

+		w = pbox->x2 - pbox->x1;

+		h = pbox->y2 - pbox->y1;

+		ScratchPitch = PixmapBytePad(w, depth);

+		sizeNeeded = ScratchPitch * h;

+

+		if(sizeNeeded > size) {

+		    char *tmpdata = ScratchMem;

+		    ScratchMem = realloc(ScratchMem, sizeNeeded);

+		    if(ScratchMem)

+			size = sizeNeeded;

+		    else {

+			ScratchMem = tmpdata;

+			break;

+		    }	

+		}

+

+		x = pbox->x1 - pDraw->x - panoramiXdataPtr[i].x;

+		y = pbox->y1 - pDraw->y - panoramiXdataPtr[i].y;

+

+		(*pDraw->pScreen->GetImage)(pDraw, x, y, w, h, 

+					format, planemask, ScratchMem);

+		

+		/* copy the memory over */

+

+		if(depth == 1) {

+		   int k, shift, leftover, index, index2;

+		

+		   x = pbox->x1 - SrcBox.x1;

+		   y = pbox->y1 - SrcBox.y1;

+		   shift = x & 7;

+		   x >>= 3;

+		   leftover = w & 7;

+		   w >>= 3;

+

+		   /* clean up the edge */

+		   if(leftover) {

+			int mask = (1 << leftover) - 1;

+			for(j = h, k = w; j--; k += ScratchPitch)

+			    ScratchMem[k] &= mask;

+		   }

+

+		   for(j = 0, index = (pitch * y) + x, index2 = 0; j < h;

+		       j++, index += pitch, index2 += ScratchPitch) 

+		   {

+			if(w) {

+			    if(!shift)

+				memcpy(data + index, ScratchMem + index2, w);

+			    else

+				CopyBits(data + index, shift, 

+						ScratchMem + index2, w);

+			}

+	

+			if(leftover) {

+			    data[index + w] |= 

+				SHIFT_L(ScratchMem[index2 + w], shift);

+			    if((shift + leftover) > 8)

+				data[index + w + 1] |= 

+				  SHIFT_R(ScratchMem[index2 + w],(8 - shift));

+			}

+		    }

+		} else {

+		    j = BitsPerPixel(depth) >> 3;

+		    x = (pbox->x1 - SrcBox.x1) * j;

+		    y = pbox->y1 - SrcBox.y1;

+		    w *= j;

+

+		    for(j = 0; j < h; j++) {

+			memcpy(data + (pitch * (y + j)) + x, 

+				ScratchMem + (ScratchPitch * j), w);

+		    }

+		}

+		pbox++;

+	    }

+

+	    REGION_SUBTRACT(pScreen, &SrcRegion, &SrcRegion, &GrabRegion);

+	    if(!REGION_NOTEMPTY(pScreen, &SrcRegion))

+		break;

+	}

+	

+    }

+

+    if(ScratchMem)

+	free(ScratchMem);

+

+    REGION_UNINIT(pScreen, &SrcRegion);

+    REGION_UNINIT(pScreen, &GrabRegion);

+}