panoramiXprocs.c   [plain text]

/*****************************************************************
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.
******************************************************************/

/* Massively rewritten by Mark Vojkovich <markv@valinux.com> */


#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#include <stdio.h>
#include <X11/X.h>
#include <X11/Xproto.h>
#include "windowstr.h"
#include "dixfontstr.h"
#include "gcstruct.h"
#include "colormapst.h"
#include "scrnintstr.h"
#include "opaque.h"
#include "inputstr.h"
#include "migc.h"
#include "misc.h"
#include "dixstruct.h"
#include "panoramiX.h"
#include "panoramiXsrv.h"
#include "resource.h"
#include "panoramiXh.h"

#define XINERAMA_IMAGE_BUFSIZE (256*1024)
#define INPUTONLY_LEGAL_MASK (CWWinGravity | CWEventMask | \
                              CWDontPropagate | CWOverrideRedirect | CWCursor )

int PanoramiXCreateWindow(ClientPtr client)
{
    PanoramiXRes *parent, *newWin;
    PanoramiXRes *backPix = NULL;
    PanoramiXRes *bordPix = NULL;
    PanoramiXRes *cmap    = NULL;
    REQUEST(xCreateWindowReq);
    int pback_offset = 0, pbord_offset = 0, cmap_offset = 0;
    int result, len, j;
    int orig_x, orig_y;
    XID orig_visual, tmp;
    Bool parentIsRoot;

    REQUEST_AT_LEAST_SIZE(xCreateWindowReq);
    
    len = client->req_len - bytes_to_int32(sizeof(xCreateWindowReq));
    if (Ones(stuff->mask) != len)
        return BadLength;

    result = dixLookupResourceByType((pointer *)&parent, stuff->parent,
				     XRT_WINDOW, client, DixWriteAccess);
    if (result != Success)
        return result;

    if(stuff->class == CopyFromParent)
	stuff->class = parent->u.win.class;

    if((stuff->class == InputOnly) && (stuff->mask & (~INPUTONLY_LEGAL_MASK)))
        return BadMatch;

    if ((Mask)stuff->mask & CWBackPixmap) {
	pback_offset = Ones((Mask)stuff->mask & (CWBackPixmap - 1));
	tmp = *((CARD32 *) &stuff[1] + pback_offset);
	if ((tmp != None) && (tmp != ParentRelative)) {
	    result = dixLookupResourceByType((pointer *)&backPix, tmp,
					     XRT_PIXMAP, client, DixReadAccess);
	    if (result != Success)
		return result;
	}
    }
    if ((Mask)stuff->mask & CWBorderPixmap) {
	pbord_offset = Ones((Mask)stuff->mask & (CWBorderPixmap - 1));
	tmp = *((CARD32 *) &stuff[1] + pbord_offset);
	if (tmp != CopyFromParent) {
	    result = dixLookupResourceByType((pointer *)&bordPix, tmp,
					     XRT_PIXMAP, client, DixReadAccess);
	    if (result != Success)
		return result;
	}
    }
    if ((Mask)stuff->mask & CWColormap) {
	cmap_offset = Ones((Mask)stuff->mask & (CWColormap - 1));
	tmp = *((CARD32 *) &stuff[1] + cmap_offset);
	if ((tmp != CopyFromParent) && (tmp != None)) {
	    result = dixLookupResourceByType((pointer *)&cmap, tmp,
					     XRT_COLORMAP, client, DixReadAccess);
	    if (result != Success)
		return result;
	}
    }

    if(!(newWin = malloc(sizeof(PanoramiXRes))))
        return BadAlloc;

    newWin->type = XRT_WINDOW;
    newWin->u.win.visibility = VisibilityNotViewable;
    newWin->u.win.class = stuff->class;
    newWin->u.win.root = FALSE;
    newWin->info[0].id = stuff->wid;
    for(j = 1; j < PanoramiXNumScreens; j++)
        newWin->info[j].id = FakeClientID(client->index);

    if (stuff->class == InputOnly)
	stuff->visual = CopyFromParent;
    orig_visual = stuff->visual;
    orig_x = stuff->x;
    orig_y = stuff->y;
    parentIsRoot = (stuff->parent == screenInfo.screens[0]->root->drawable.id) ||
                   (stuff->parent == screenInfo.screens[0]->screensaver.wid);
    FOR_NSCREENS_BACKWARD(j) {
        stuff->wid = newWin->info[j].id;
        stuff->parent = parent->info[j].id;
	if (parentIsRoot) {
	    stuff->x = orig_x - screenInfo.screens[j]->x;
	    stuff->y = orig_y - screenInfo.screens[j]->y;
	}
	if (backPix)
	    *((CARD32 *) &stuff[1] + pback_offset) = backPix->info[j].id;
	if (bordPix)
	    *((CARD32 *) &stuff[1] + pbord_offset) = bordPix->info[j].id;
	if (cmap)
	    *((CARD32 *) &stuff[1] + cmap_offset) = cmap->info[j].id;
	if ( orig_visual != CopyFromParent ) 
	    stuff->visual = PanoramiXTranslateVisualID(j, orig_visual);
        result = (*SavedProcVector[X_CreateWindow])(client);
        if(result != Success) break;
    }

    if (result == Success)
        AddResource(newWin->info[0].id, XRT_WINDOW, newWin);
    else 
        free(newWin);

    return result;
}


int PanoramiXChangeWindowAttributes(ClientPtr client)
{
    PanoramiXRes *win;
    PanoramiXRes *backPix = NULL;
    PanoramiXRes *bordPix = NULL;
    PanoramiXRes *cmap    = NULL;
    REQUEST(xChangeWindowAttributesReq);
    int pback_offset = 0, pbord_offset = 0, cmap_offset = 0;
    int result, len, j;
    XID tmp;

    REQUEST_AT_LEAST_SIZE(xChangeWindowAttributesReq);
    
    len = client->req_len - bytes_to_int32(sizeof(xChangeWindowAttributesReq));
    if (Ones(stuff->valueMask) != len)
        return BadLength;

    result = dixLookupResourceByType((pointer *)&win, stuff->window,
				     XRT_WINDOW, client, DixWriteAccess);
    if (result != Success)
        return result;

    if((win->u.win.class == InputOnly) && 
       (stuff->valueMask & (~INPUTONLY_LEGAL_MASK)))
        return BadMatch;

    if ((Mask)stuff->valueMask & CWBackPixmap) {
	pback_offset = Ones((Mask)stuff->valueMask & (CWBackPixmap - 1));
	tmp = *((CARD32 *) &stuff[1] + pback_offset);
	if ((tmp != None) && (tmp != ParentRelative)) {
	    result = dixLookupResourceByType((pointer *)&backPix, tmp,
					     XRT_PIXMAP, client, DixReadAccess);
	    if (result != Success)
		return result;
	}
    }
    if ((Mask)stuff->valueMask & CWBorderPixmap) {
	pbord_offset = Ones((Mask)stuff->valueMask & (CWBorderPixmap - 1));
	tmp = *((CARD32 *) &stuff[1] + pbord_offset);
	if (tmp != CopyFromParent) {
	    result = dixLookupResourceByType((pointer *)&bordPix, tmp,
					     XRT_PIXMAP, client, DixReadAccess);
	    if (result != Success)
		return result;
	}
    }
    if ((Mask)stuff->valueMask & CWColormap) {
	cmap_offset = Ones((Mask)stuff->valueMask & (CWColormap - 1));
	tmp = *((CARD32 *) &stuff[1] + cmap_offset);
	if ((tmp != CopyFromParent) && (tmp != None)) {
	    result = dixLookupResourceByType((pointer *)&cmap, tmp,
					     XRT_COLORMAP, client, DixReadAccess);
	    if (result != Success)
		return result;
	}
    }

    FOR_NSCREENS_BACKWARD(j) {
        stuff->window = win->info[j].id;
	if (backPix)
	    *((CARD32 *) &stuff[1] + pback_offset) = backPix->info[j].id;
	if (bordPix)
	    *((CARD32 *) &stuff[1] + pbord_offset) = bordPix->info[j].id;
	if (cmap)
	    *((CARD32 *) &stuff[1] + cmap_offset) = cmap->info[j].id;
        result = (*SavedProcVector[X_ChangeWindowAttributes])(client);
    }

    return result;
}


int PanoramiXDestroyWindow(ClientPtr client)
{
    PanoramiXRes *win;
    int         result, j;
    REQUEST(xResourceReq);

    REQUEST_SIZE_MATCH(xResourceReq);

    result = dixLookupResourceByType((pointer *)&win, stuff->id, XRT_WINDOW,
				     client, DixDestroyAccess);
    if (result != Success)
	return result;

    FOR_NSCREENS_BACKWARD(j) {
	stuff->id = win->info[j].id;
	result = (*SavedProcVector[X_DestroyWindow])(client);
        if(result != Success) break;
    }

    /* Since ProcDestroyWindow is using FreeResource, it will free
	our resource for us on the last pass through the loop above */
 
    return result;
}


int PanoramiXDestroySubwindows(ClientPtr client)
{
    PanoramiXRes *win;
    int         result, j;
    REQUEST(xResourceReq);

    REQUEST_SIZE_MATCH(xResourceReq);

    result = dixLookupResourceByType((pointer *)&win, stuff->id, XRT_WINDOW,
				     client, DixDestroyAccess);
    if (result != Success)
	return result;

    FOR_NSCREENS_BACKWARD(j) {
	stuff->id = win->info[j].id;
	result = (*SavedProcVector[X_DestroySubwindows])(client);
        if(result != Success) break;
    }

    /* DestroySubwindows is using FreeResource which will free
	our resources for us on the last pass through the loop above */

    return result;
}


int PanoramiXChangeSaveSet(ClientPtr client)
{
    PanoramiXRes *win;
    int         result, j;
    REQUEST(xChangeSaveSetReq);

    REQUEST_SIZE_MATCH(xChangeSaveSetReq);

    result = dixLookupResourceByType((pointer *)&win, stuff->window,
				     XRT_WINDOW, client, DixReadAccess);
    if (result != Success)
	return result;

    FOR_NSCREENS_BACKWARD(j) {
	stuff->window = win->info[j].id;
	result = (*SavedProcVector[X_ChangeSaveSet])(client);
        if(result != Success) break;
    }

    return result;
}


int PanoramiXReparentWindow(ClientPtr client)
{
    PanoramiXRes *win, *parent;
    int         result, j;
    int		x, y;
    Bool	parentIsRoot;
    REQUEST(xReparentWindowReq);

    REQUEST_SIZE_MATCH(xReparentWindowReq);

    result = dixLookupResourceByType((pointer *)&win, stuff->window,
				     XRT_WINDOW, client, DixWriteAccess);
    if (result != Success)
	return result;

    result = dixLookupResourceByType((pointer *)&parent, stuff->parent,
				     XRT_WINDOW, client, DixWriteAccess);
    if (result != Success)
	return result;

    x = stuff->x;
    y = stuff->y;
    parentIsRoot = (stuff->parent == screenInfo.screens[0]->root->drawable.id) ||
                   (stuff->parent == screenInfo.screens[0]->screensaver.wid);
    FOR_NSCREENS_BACKWARD(j) {
	stuff->window = win->info[j].id;
	stuff->parent = parent->info[j].id;
	if(parentIsRoot) {
	    stuff->x = x - screenInfo.screens[j]->x;
	    stuff->y = y - screenInfo.screens[j]->y;
	}
	result = (*SavedProcVector[X_ReparentWindow])(client);
        if(result != Success) break;
    }

    return result;
}


int PanoramiXMapWindow(ClientPtr client)
{
    PanoramiXRes *win;
    int         result, j;
    REQUEST(xResourceReq);

    REQUEST_SIZE_MATCH(xResourceReq);

    result = dixLookupResourceByType((pointer *)&win, stuff->id,
				     XRT_WINDOW, client, DixReadAccess);
    if (result != Success)
	return result;

    FOR_NSCREENS_FORWARD(j) {
	stuff->id = win->info[j].id;
	result = (*SavedProcVector[X_MapWindow])(client);
        if(result != Success) break;
    }

    return result;
}


int PanoramiXMapSubwindows(ClientPtr client)
{
    PanoramiXRes *win;
    int         result, j;
    REQUEST(xResourceReq);

    REQUEST_SIZE_MATCH(xResourceReq);

    result = dixLookupResourceByType((pointer *)&win, stuff->id,
				     XRT_WINDOW, client, DixReadAccess);
    if (result != Success)
	return result;

    FOR_NSCREENS_FORWARD(j) {
	stuff->id = win->info[j].id;
	result = (*SavedProcVector[X_MapSubwindows])(client);
        if(result != Success) break;
    }

    return result;
}


int PanoramiXUnmapWindow(ClientPtr client)
{
    PanoramiXRes *win;
    int         result, j;
    REQUEST(xResourceReq);

    REQUEST_SIZE_MATCH(xResourceReq);

    result = dixLookupResourceByType((pointer *)&win, stuff->id,
				     XRT_WINDOW, client, DixReadAccess);
    if (result != Success)
	return result;

    FOR_NSCREENS_FORWARD(j) {
	stuff->id = win->info[j].id;
	result = (*SavedProcVector[X_UnmapWindow])(client);
        if(result != Success) break;
    }

    return result;
}


int PanoramiXUnmapSubwindows(ClientPtr client)
{
    PanoramiXRes *win;
    int         result, j;
    REQUEST(xResourceReq);

    REQUEST_SIZE_MATCH(xResourceReq);

    result = dixLookupResourceByType((pointer *)&win, stuff->id,
				     XRT_WINDOW, client, DixReadAccess);
    if (result != Success)
	return result;

    FOR_NSCREENS_FORWARD(j) {
	stuff->id = win->info[j].id;
	result = (*SavedProcVector[X_UnmapSubwindows])(client);
        if(result != Success) break;
    }

    return result;
}


int PanoramiXConfigureWindow(ClientPtr client)
{
    PanoramiXRes *win;
    PanoramiXRes *sib = NULL;
    WindowPtr   pWin;
    int         result, j, len, sib_offset = 0, x = 0, y = 0;
    int		x_offset = -1;
    int		y_offset = -1;
    REQUEST(xConfigureWindowReq);

    REQUEST_AT_LEAST_SIZE(xConfigureWindowReq);

    len = client->req_len - bytes_to_int32(sizeof(xConfigureWindowReq));
    if (Ones(stuff->mask) != len)
        return BadLength;

    /* because we need the parent */
    result = dixLookupResourceByType((pointer *)&pWin, stuff->window,
				     RT_WINDOW, client, DixWriteAccess);
    if (result != Success)
	return result;

    result = dixLookupResourceByType((pointer *)&win, stuff->window,
				     XRT_WINDOW, client, DixWriteAccess);
    if (result != Success)
	return result;

    if ((Mask)stuff->mask & CWSibling) {
	XID tmp;
	sib_offset = Ones((Mask)stuff->mask & (CWSibling - 1));
	if ((tmp = *((CARD32 *) &stuff[1] + sib_offset))) {
	    result = dixLookupResourceByType((pointer *)&sib, tmp, XRT_WINDOW,
					     client, DixReadAccess);
	    if (result != Success)
		return result;
	}
    }

    if(pWin->parent && ((pWin->parent == screenInfo.screens[0]->root) ||
                        (pWin->parent->drawable.id == screenInfo.screens[0]->screensaver.wid)))
    {
	if ((Mask)stuff->mask & CWX) {
	    x_offset = 0;
	    x = *((CARD32 *)&stuff[1]);
	}
	if ((Mask)stuff->mask & CWY) {
	    y_offset = (x_offset == -1) ? 0 : 1;
	    y = *((CARD32 *) &stuff[1] + y_offset);
	}
    }

    /* have to go forward or you get expose events before 
	ConfigureNotify events */
    FOR_NSCREENS_FORWARD(j) {
	stuff->window = win->info[j].id;
	if(sib)
	    *((CARD32 *) &stuff[1] + sib_offset) = sib->info[j].id;
	if(x_offset >= 0)
	    *((CARD32 *) &stuff[1] + x_offset) = x - screenInfo.screens[j]->x;
	if(y_offset >= 0)
	    *((CARD32 *) &stuff[1] + y_offset) = y - screenInfo.screens[j]->y;
	result = (*SavedProcVector[X_ConfigureWindow])(client);
        if(result != Success) break;
    }

    return result;
}


int PanoramiXCirculateWindow(ClientPtr client)
{
    PanoramiXRes *win;
    int         result, j;
    REQUEST(xCirculateWindowReq);

    REQUEST_SIZE_MATCH(xCirculateWindowReq);

    result = dixLookupResourceByType((pointer *)&win, stuff->window,
				     XRT_WINDOW, client, DixWriteAccess);
    if (result != Success)
	return result;

    FOR_NSCREENS_FORWARD(j) {
	stuff->window = win->info[j].id;
	result = (*SavedProcVector[X_CirculateWindow])(client);
        if(result != Success) break;
    }

    return result;
}


int PanoramiXGetGeometry(ClientPtr client)
{
    xGetGeometryReply 	 rep;
    DrawablePtr pDraw;
    int rc;
    REQUEST(xResourceReq);

    REQUEST_SIZE_MATCH(xResourceReq);
    rc = dixLookupDrawable(&pDraw, stuff->id, client, M_ANY, DixGetAttrAccess);
    if (rc != Success)
	return rc;

    rep.type = X_Reply;
    rep.length = 0;
    rep.sequenceNumber = client->sequence;
    rep.root = screenInfo.screens[0]->root->drawable.id;
    rep.depth = pDraw->depth;
    rep.width = pDraw->width;
    rep.height = pDraw->height;
    rep.x = rep.y = rep.borderWidth = 0;

    if (stuff->id == rep.root) {
	xWindowRoot *root  = (xWindowRoot *)
				    (ConnectionInfo + connBlockScreenStart);

	rep.width = root->pixWidth;
	rep.height = root->pixHeight;
    } else 
    if (WindowDrawable(pDraw->type))
    {
        WindowPtr pWin = (WindowPtr)pDraw;
	rep.x = pWin->origin.x - wBorderWidth (pWin);
	rep.y = pWin->origin.y - wBorderWidth (pWin);
	if((pWin->parent == screenInfo.screens[0]->root) ||
           (pWin->parent->drawable.id == screenInfo.screens[0]->screensaver.wid))
        {
	   rep.x += screenInfo.screens[0]->x;
	   rep.y += screenInfo.screens[0]->y;
	}
	rep.borderWidth = pWin->borderWidth;
    }

    WriteReplyToClient(client, sizeof(xGetGeometryReply), &rep);
    return Success;
}

int PanoramiXTranslateCoords(ClientPtr client)
{
    INT16 x, y;
    REQUEST(xTranslateCoordsReq);
    int rc;
    WindowPtr pWin, pDst;
    xTranslateCoordsReply rep;

    REQUEST_SIZE_MATCH(xTranslateCoordsReq);
    rc = dixLookupWindow(&pWin, stuff->srcWid, client, DixReadAccess);
    if (rc != Success)
        return rc;
    rc = dixLookupWindow(&pDst, stuff->dstWid, client, DixReadAccess);
    if (rc != Success)
        return rc;
    rep.type = X_Reply;
    rep.length = 0;
    rep.sequenceNumber = client->sequence;
    rep.sameScreen = xTrue;
    rep.child = None;

    if((pWin == screenInfo.screens[0]->root) ||
       (pWin->drawable.id == screenInfo.screens[0]->screensaver.wid))
    { 
	x = stuff->srcX - screenInfo.screens[0]->x;
	y = stuff->srcY - screenInfo.screens[0]->y;
    } else {
	x = pWin->drawable.x + stuff->srcX;
	y = pWin->drawable.y + stuff->srcY;
    }
    pWin = pDst->firstChild;
    while (pWin) {
	    BoxRec  box;
	    if ((pWin->mapped) &&
		(x >= pWin->drawable.x - wBorderWidth (pWin)) &&
		(x < pWin->drawable.x + (int)pWin->drawable.width +
		 wBorderWidth (pWin)) &&
		(y >= pWin->drawable.y - wBorderWidth (pWin)) &&
		(y < pWin->drawable.y + (int)pWin->drawable.height +
		 wBorderWidth (pWin))
		/* When a window is shaped, a further check
		 * is made to see if the point is inside
		 * borderSize
		 */
		&& (!wBoundingShape(pWin) ||
		    RegionContainsPoint(wBoundingShape(pWin),
					x - pWin->drawable.x, 
					y - pWin->drawable.y, &box))
		)
            {
		rep.child = pWin->drawable.id;
		pWin = (WindowPtr) NULL;
	    }
	    else
		pWin = pWin->nextSib;
    }
    rep.dstX = x - pDst->drawable.x;
    rep.dstY = y - pDst->drawable.y;
    if((pDst == screenInfo.screens[0]->root) ||
       (pDst->drawable.id == screenInfo.screens[0]->screensaver.wid))
    {
	rep.dstX += screenInfo.screens[0]->x;
	rep.dstY += screenInfo.screens[0]->y;
    }

    WriteReplyToClient(client, sizeof(xTranslateCoordsReply), &rep);
    return Success;
}

int PanoramiXCreatePixmap(ClientPtr client)
{
    PanoramiXRes *refDraw, *newPix;
    int result, j;
    REQUEST(xCreatePixmapReq);

    REQUEST_SIZE_MATCH(xCreatePixmapReq);
    client->errorValue = stuff->pid;

    result = dixLookupResourceByClass((pointer *)&refDraw, stuff->drawable,
				      XRC_DRAWABLE, client, DixReadAccess);
    if (result != Success)
	return (result == BadValue) ? BadDrawable : result;

    if(!(newPix = malloc(sizeof(PanoramiXRes))))
	return BadAlloc;

    newPix->type = XRT_PIXMAP;
    newPix->u.pix.shared = FALSE;
    newPix->info[0].id = stuff->pid;
    for(j = 1; j < PanoramiXNumScreens; j++)
	newPix->info[j].id = FakeClientID(client->index);
   
    FOR_NSCREENS_BACKWARD(j) {
	stuff->pid = newPix->info[j].id;
	stuff->drawable = refDraw->info[j].id;
	result = (*SavedProcVector[X_CreatePixmap])(client);
	if(result != Success) break;
    }

    if (result == Success)
	AddResource(newPix->info[0].id, XRT_PIXMAP, newPix);
    else 
	free(newPix);

    return result;
}


int PanoramiXFreePixmap(ClientPtr client)
{
    PanoramiXRes *pix;
    int         result, j;
    REQUEST(xResourceReq);

    REQUEST_SIZE_MATCH(xResourceReq);

    client->errorValue = stuff->id;

    result = dixLookupResourceByType((pointer *)&pix, stuff->id, XRT_PIXMAP,
				     client, DixDestroyAccess);
    if (result != Success)
	return result;

    FOR_NSCREENS_BACKWARD(j) {
	stuff->id = pix->info[j].id;
	result = (*SavedProcVector[X_FreePixmap])(client);
	if(result != Success) break;
    }

    /* Since ProcFreePixmap is using FreeResource, it will free
	our resource for us on the last pass through the loop above */
 
    return result;
}


int PanoramiXCreateGC(ClientPtr client)
{
    PanoramiXRes *refDraw;
    PanoramiXRes *newGC;
    PanoramiXRes *stip = NULL;
    PanoramiXRes *tile = NULL;
    PanoramiXRes *clip = NULL;
    REQUEST(xCreateGCReq);
    int tile_offset = 0, stip_offset = 0, clip_offset = 0;
    int result, len, j;
    XID tmp;

    REQUEST_AT_LEAST_SIZE(xCreateGCReq);
    
    client->errorValue = stuff->gc;
    len = client->req_len - bytes_to_int32(sizeof(xCreateGCReq));
    if (Ones(stuff->mask) != len)
        return BadLength;

    result = dixLookupResourceByClass((pointer *)&refDraw, stuff->drawable,
				      XRC_DRAWABLE, client, DixReadAccess);
    if (result != Success)
	return (result == BadValue) ? BadDrawable : result;

    if ((Mask)stuff->mask & GCTile) {
	tile_offset = Ones((Mask)stuff->mask & (GCTile - 1));
	if ((tmp = *((CARD32 *) &stuff[1] + tile_offset))) {
	    result = dixLookupResourceByType((pointer *)&tile, tmp, XRT_PIXMAP,
					     client, DixReadAccess);
	    if (result != Success)
		return result;
	}
    }
    if ((Mask)stuff->mask & GCStipple) {
	stip_offset = Ones((Mask)stuff->mask & (GCStipple - 1));
	if ((tmp = *((CARD32 *) &stuff[1] + stip_offset))) {
	    result = dixLookupResourceByType((pointer *)&stip, tmp, XRT_PIXMAP,
					     client, DixReadAccess);
	    if (result != Success)
		return result;
	}
    }
    if ((Mask)stuff->mask & GCClipMask) {
	clip_offset = Ones((Mask)stuff->mask & (GCClipMask - 1));
	if ((tmp = *((CARD32 *) &stuff[1] + clip_offset))) {
	    result = dixLookupResourceByType((pointer *)&clip, tmp, XRT_PIXMAP,
					     client, DixReadAccess);
	    if (result != Success)
		return result;
	}
    }

    if(!(newGC = malloc(sizeof(PanoramiXRes))))
        return BadAlloc;

    newGC->type = XRT_GC;
    newGC->info[0].id = stuff->gc;
    for(j = 1; j < PanoramiXNumScreens; j++)
        newGC->info[j].id = FakeClientID(client->index);

    FOR_NSCREENS_BACKWARD(j) {
        stuff->gc = newGC->info[j].id;
        stuff->drawable = refDraw->info[j].id;
	if (tile)
	    *((CARD32 *) &stuff[1] + tile_offset) = tile->info[j].id;
	if (stip)
	    *((CARD32 *) &stuff[1] + stip_offset) = stip->info[j].id;
	if (clip)
	    *((CARD32 *) &stuff[1] + clip_offset) = clip->info[j].id;
        result = (*SavedProcVector[X_CreateGC])(client);
        if(result != Success) break;
    }

    if (result == Success)
        AddResource(newGC->info[0].id, XRT_GC, newGC);
    else 
        free(newGC);

    return result;
}

int PanoramiXChangeGC(ClientPtr client)
{
    PanoramiXRes *gc;
    PanoramiXRes *stip = NULL;
    PanoramiXRes *tile = NULL;
    PanoramiXRes *clip = NULL;
    REQUEST(xChangeGCReq);
    int tile_offset = 0, stip_offset = 0, clip_offset = 0;
    int result, len, j;
    XID tmp;

    REQUEST_AT_LEAST_SIZE(xChangeGCReq);
    
    len = client->req_len - bytes_to_int32(sizeof(xChangeGCReq));
    if (Ones(stuff->mask) != len)
        return BadLength;

    result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				     client, DixReadAccess);
    if (result != Success)
	return result;

    if ((Mask)stuff->mask & GCTile) {
	tile_offset = Ones((Mask)stuff->mask & (GCTile - 1));
	if ((tmp = *((CARD32 *) &stuff[1] + tile_offset))) {
	    result = dixLookupResourceByType((pointer *)&tile, tmp, XRT_PIXMAP,
					     client, DixReadAccess);
	    if (result != Success)
		return result;
	}
    }
    if ((Mask)stuff->mask & GCStipple) {
	stip_offset = Ones((Mask)stuff->mask & (GCStipple - 1));
	if ((tmp = *((CARD32 *) &stuff[1] + stip_offset))) {
	    result = dixLookupResourceByType((pointer *)&stip, tmp, XRT_PIXMAP,
					     client, DixReadAccess);
	    if (result != Success)
		return result;
	}
    }
    if ((Mask)stuff->mask & GCClipMask) {
	clip_offset = Ones((Mask)stuff->mask & (GCClipMask - 1));
	if ((tmp = *((CARD32 *) &stuff[1] + clip_offset))) {
	    result = dixLookupResourceByType((pointer *)&clip, tmp, XRT_PIXMAP,
					     client, DixReadAccess);
	    if (result != Success)
		return result;
	}
    }


    FOR_NSCREENS_BACKWARD(j) {
        stuff->gc = gc->info[j].id;
	if (tile)
	    *((CARD32 *) &stuff[1] + tile_offset) = tile->info[j].id;
	if (stip)
	    *((CARD32 *) &stuff[1] + stip_offset) = stip->info[j].id;
	if (clip)
	    *((CARD32 *) &stuff[1] + clip_offset) = clip->info[j].id;
        result = (*SavedProcVector[X_ChangeGC])(client);
        if(result != Success) break;
    }

    return result;
}


int PanoramiXCopyGC(ClientPtr client)
{
    PanoramiXRes *srcGC, *dstGC;
    int         result, j;
    REQUEST(xCopyGCReq);

    REQUEST_SIZE_MATCH(xCopyGCReq);

    result = dixLookupResourceByType((pointer *)&srcGC, stuff->srcGC, XRT_GC,
				     client, DixReadAccess);
    if (result != Success)
	return result;

    result = dixLookupResourceByType((pointer *)&dstGC, stuff->dstGC, XRT_GC,
				     client, DixWriteAccess);
    if (result != Success)
	return result;

    FOR_NSCREENS(j) {
	stuff->srcGC = srcGC->info[j].id;
	stuff->dstGC = dstGC->info[j].id;
	result = (*SavedProcVector[X_CopyGC])(client);
        if(result != Success) break;
    }

    return result;
}


int PanoramiXSetDashes(ClientPtr client)
{
    PanoramiXRes *gc;
    int         result, j;
    REQUEST(xSetDashesReq);

    REQUEST_FIXED_SIZE(xSetDashesReq, stuff->nDashes);

    result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				     client, DixWriteAccess);
    if (result != Success)
	return result;

    FOR_NSCREENS_BACKWARD(j) {
	stuff->gc = gc->info[j].id;
	result = (*SavedProcVector[X_SetDashes])(client);
        if(result != Success) break;
    }

    return result;
}


int PanoramiXSetClipRectangles(ClientPtr client)
{
    PanoramiXRes *gc;
    int         result, j;
    REQUEST(xSetClipRectanglesReq);

    REQUEST_AT_LEAST_SIZE(xSetClipRectanglesReq);

    result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				     client, DixWriteAccess);
    if (result != Success)
	return result;

    FOR_NSCREENS_BACKWARD(j) {
	stuff->gc = gc->info[j].id;
	result = (*SavedProcVector[X_SetClipRectangles])(client);
        if(result != Success) break;
    }

    return result;
}


int PanoramiXFreeGC(ClientPtr client)
{
    PanoramiXRes *gc;
    int         result, j;
    REQUEST(xResourceReq);

    REQUEST_SIZE_MATCH(xResourceReq);

    result = dixLookupResourceByType((pointer *)&gc, stuff->id, XRT_GC,
				     client, DixDestroyAccess);
    if (result != Success)
	return result;

    FOR_NSCREENS_BACKWARD(j) {
	stuff->id = gc->info[j].id;
	result = (*SavedProcVector[X_FreeGC])(client);
	if(result != Success) break;
    }

    /* Since ProcFreeGC is using FreeResource, it will free
	our resource for us on the last pass through the loop above */
 
    return result;
}


int PanoramiXClearToBackground(ClientPtr client)
{
    PanoramiXRes *win;
    int         result, j, x, y;
    Bool	isRoot;
    REQUEST(xClearAreaReq);

    REQUEST_SIZE_MATCH(xClearAreaReq);

    result = dixLookupResourceByType((pointer *)&win, stuff->window,
				     XRT_WINDOW, client, DixWriteAccess);
    if (result != Success)
	return result;

    x = stuff->x;
    y = stuff->y;
    isRoot = win->u.win.root;
    FOR_NSCREENS_BACKWARD(j) {
	stuff->window = win->info[j].id;
	if(isRoot) {
	    stuff->x = x - screenInfo.screens[j]->x;
	    stuff->y = y - screenInfo.screens[j]->y;
	}
	result = (*SavedProcVector[X_ClearArea])(client);
	if(result != Success) break;
    }
 
    return result;
}


/* 
    For Window to Pixmap copies you're screwed since each screen's
    pixmap will look like what it sees on its screen.  Unless the
    screens overlap and the window lies on each, the two copies
    will be out of sync.  To remedy this we do a GetImage and PutImage
    in place of the copy.  Doing this as a single Image isn't quite
    correct since it will include the obscured areas but we will
    have to fix this later. (MArk).
*/

int PanoramiXCopyArea(ClientPtr client)
{
    int			j, result, srcx, srcy, dstx, dsty;
    PanoramiXRes	*gc, *src, *dst;
    Bool		srcIsRoot = FALSE;
    Bool		dstIsRoot = FALSE;
    Bool		srcShared, dstShared;
    REQUEST(xCopyAreaReq);

    REQUEST_SIZE_MATCH(xCopyAreaReq);

    result = dixLookupResourceByClass((pointer *)&src, stuff->srcDrawable,
				      XRC_DRAWABLE, client, DixReadAccess);
    if (result != Success)
	return (result == BadValue) ? BadDrawable : result;

    srcShared = IS_SHARED_PIXMAP(src);

    result = dixLookupResourceByClass((pointer *)&dst, stuff->dstDrawable,
				      XRC_DRAWABLE, client, DixWriteAccess);
    if (result != Success)
	return (result == BadValue) ? BadDrawable : result;

    dstShared = IS_SHARED_PIXMAP(dst);

    if(dstShared && srcShared)
	return (* SavedProcVector[X_CopyArea])(client);

    result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				     client, DixReadAccess);
    if (result != Success)
	return result;

    if((dst->type == XRT_WINDOW) && dst->u.win.root)
	dstIsRoot = TRUE;
    if((src->type == XRT_WINDOW) && src->u.win.root)
	srcIsRoot = TRUE;

    srcx = stuff->srcX; srcy = stuff->srcY;
    dstx = stuff->dstX; dsty = stuff->dstY;
    if((dst->type == XRT_PIXMAP) && (src->type == XRT_WINDOW)) {
	DrawablePtr drawables[MAXSCREENS];
	DrawablePtr pDst;
	GCPtr pGC;
        char *data;
	int pitch, rc;

	FOR_NSCREENS(j) {
	    rc = dixLookupDrawable(drawables+j, src->info[j].id, client, 0,
				   DixGetAttrAccess);
	    if (rc != Success)
		return rc;
	}

	pitch = PixmapBytePad(stuff->width, drawables[0]->depth); 
	if(!(data = calloc(1, stuff->height * pitch)))
	    return BadAlloc;

	XineramaGetImageData(drawables, srcx, srcy, 
		stuff->width, stuff->height, ZPixmap, ~0, data, pitch, 
		srcIsRoot);

	FOR_NSCREENS_BACKWARD(j) {
	    stuff->gc = gc->info[j].id;
	    VALIDATE_DRAWABLE_AND_GC(dst->info[j].id, pDst, DixWriteAccess);
	    if(drawables[0]->depth != pDst->depth) {
		client->errorValue = stuff->dstDrawable;
		free(data);
		return BadMatch;
	    }

	    (*pGC->ops->PutImage) (pDst, pGC, pDst->depth, dstx, dsty, 
				   stuff->width, stuff->height, 
				   0, ZPixmap, data);

	    if(dstShared) break;
	}

	free(data);
    } else {
	DrawablePtr pDst = NULL, pSrc = NULL;
	GCPtr pGC = NULL;
	RegionRec totalReg;
	int rc;

	RegionNull(&totalReg);
	FOR_NSCREENS_BACKWARD(j) {
	    RegionPtr pRgn;
	    stuff->dstDrawable = dst->info[j].id;
	    stuff->srcDrawable = src->info[j].id;
	    stuff->gc          = gc->info[j].id;
 	    if (srcIsRoot) {	
		stuff->srcX = srcx - screenInfo.screens[j]->x;
		stuff->srcY = srcy - screenInfo.screens[j]->y;
	    }
 	    if (dstIsRoot) {	
		stuff->dstX = dstx - screenInfo.screens[j]->x;
		stuff->dstY = dsty - screenInfo.screens[j]->y;
	    }

	    VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pDst, DixWriteAccess);

	    if (stuff->dstDrawable != stuff->srcDrawable) {
		rc = dixLookupDrawable(&pSrc, stuff->srcDrawable, client, 0,
				       DixReadAccess);
		if (rc != Success)
		    return rc;

		if ((pDst->pScreen != pSrc->pScreen) || 
		    (pDst->depth != pSrc->depth)) {
			client->errorValue = stuff->dstDrawable;
			return BadMatch;
   		}
 	    } else
		pSrc = pDst;

	    pRgn = (*pGC->ops->CopyArea)(pSrc, pDst, pGC,
				stuff->srcX, stuff->srcY,
				stuff->width, stuff->height, 
				stuff->dstX, stuff->dstY);
	    if(pGC->graphicsExposures && pRgn) {
	       if(srcIsRoot) {
		   RegionTranslate(pRgn,
			    screenInfo.screens[j]->x, screenInfo.screens[j]->y);
	       }
	       RegionAppend(&totalReg, pRgn);
	       RegionDestroy(pRgn);
	    }

	    if(dstShared)
		break;
	}

	if(pGC->graphicsExposures) {
	    Bool overlap;
	    RegionValidate(&totalReg, &overlap);
	    (*pDst->pScreen->SendGraphicsExpose)(
		client, &totalReg, stuff->dstDrawable, X_CopyArea, 0);
	    RegionUninit(&totalReg);
	}
    }

    return Success;
}


int PanoramiXCopyPlane(ClientPtr client)
{
    int			j, srcx, srcy, dstx, dsty, rc;
    PanoramiXRes	*gc, *src, *dst;
    Bool		srcIsRoot = FALSE;
    Bool		dstIsRoot = FALSE;
    Bool		srcShared, dstShared;
    DrawablePtr 	psrcDraw, pdstDraw = NULL;
    GCPtr 		pGC = NULL;
    RegionRec		totalReg;
    REQUEST(xCopyPlaneReq);

    REQUEST_SIZE_MATCH(xCopyPlaneReq);

    rc = dixLookupResourceByClass((pointer *)&src, stuff->srcDrawable,
				  XRC_DRAWABLE, client, DixReadAccess);
    if (rc != Success)
	return (rc == BadValue) ? BadDrawable : rc;

    srcShared = IS_SHARED_PIXMAP(src);

    rc = dixLookupResourceByClass((pointer *)&dst, stuff->dstDrawable,
				  XRC_DRAWABLE, client, DixWriteAccess);
    if (rc != Success)
	return (rc == BadValue) ? BadDrawable : rc;

    dstShared = IS_SHARED_PIXMAP(dst);

    if(dstShared && srcShared)
	return (* SavedProcVector[X_CopyPlane])(client);

    rc = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				 client, DixReadAccess);
    if (rc != Success)
	return rc;

    if((dst->type == XRT_WINDOW) && dst->u.win.root)
	dstIsRoot = TRUE;
    if((src->type == XRT_WINDOW) && src->u.win.root)
	srcIsRoot = TRUE;

    srcx = stuff->srcX; srcy = stuff->srcY;
    dstx = stuff->dstX; dsty = stuff->dstY;
 
    RegionNull(&totalReg);
    FOR_NSCREENS_BACKWARD(j) {
	RegionPtr pRgn;
	stuff->dstDrawable = dst->info[j].id;
	stuff->srcDrawable = src->info[j].id;
	stuff->gc          = gc->info[j].id;
	if (srcIsRoot) {	
	    stuff->srcX = srcx - screenInfo.screens[j]->x;
	    stuff->srcY = srcy - screenInfo.screens[j]->y;
	}
	if (dstIsRoot) {	
	    stuff->dstX = dstx - screenInfo.screens[j]->x;
	    stuff->dstY = dsty - screenInfo.screens[j]->y;
	}

	VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pdstDraw, DixWriteAccess);
	if (stuff->dstDrawable != stuff->srcDrawable) {
	    rc = dixLookupDrawable(&psrcDraw, stuff->srcDrawable, client, 0,
				   DixReadAccess);
	    if (rc != Success)
		return rc;

            if (pdstDraw->pScreen != psrcDraw->pScreen) {
		client->errorValue = stuff->dstDrawable;
		return BadMatch;
	    }
	} else
	    psrcDraw = pdstDraw;

	if(stuff->bitPlane == 0 || (stuff->bitPlane & (stuff->bitPlane - 1)) ||
		(stuff->bitPlane > (1L << (psrcDraw->depth - 1)))) {
	    client->errorValue = stuff->bitPlane;
	    return BadValue;
	}

	pRgn = (*pGC->ops->CopyPlane)(psrcDraw, pdstDraw, pGC,
				stuff->srcX, stuff->srcY,
				stuff->width, stuff->height, 
				stuff->dstX, stuff->dstY, stuff->bitPlane);
	if(pGC->graphicsExposures && pRgn) {
	    RegionAppend(&totalReg, pRgn);
	    RegionDestroy(pRgn);
	}

	if(dstShared)
	    break;
    }

    if(pGC->graphicsExposures) {
	Bool overlap;
	RegionValidate(&totalReg, &overlap);
	(*pdstDraw->pScreen->SendGraphicsExpose)(
		client, &totalReg, stuff->dstDrawable, X_CopyPlane, 0);
	RegionUninit(&totalReg);
    }

    return Success;
}


int PanoramiXPolyPoint(ClientPtr client)
{
    PanoramiXRes *gc, *draw;
    int 	  result, npoint, j;
    xPoint 	  *origPts;
    Bool	  isRoot;
    REQUEST(xPolyPointReq);

    REQUEST_AT_LEAST_SIZE(xPolyPointReq);

    result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
				      XRC_DRAWABLE, client, DixWriteAccess);
    if (result != Success)
	return (result == BadValue) ? BadDrawable : result;

    if(IS_SHARED_PIXMAP(draw))
	return (*SavedProcVector[X_PolyPoint])(client);

    result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				     client, DixReadAccess);
    if (result != Success)
	return result;

    isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root;
    npoint = bytes_to_int32((client->req_len << 2) - sizeof(xPolyPointReq));
    if (npoint > 0) {
        origPts = malloc(npoint * sizeof(xPoint));
        memcpy((char *) origPts, (char *) &stuff[1], npoint * sizeof(xPoint));
        FOR_NSCREENS_FORWARD(j){

            if(j) memcpy(&stuff[1], origPts, npoint * sizeof(xPoint));

            if (isRoot) {
                int x_off = screenInfo.screens[j]->x;
                int y_off = screenInfo.screens[j]->y;

		if(x_off || y_off) {
                    xPoint *pnts = (xPoint*)&stuff[1];
		    int i = (stuff->coordMode==CoordModePrevious) ? 1 : npoint;

		    while(i--) {
			pnts->x -= x_off;
			pnts->y -= y_off;
			pnts++;
                    }
		}
            }

	    stuff->drawable = draw->info[j].id;
	    stuff->gc = gc->info[j].id;
	    result = (* SavedProcVector[X_PolyPoint])(client);
	    if(result != Success) break;
        }
        free(origPts);
        return result;
    } else
	return Success;
}


int PanoramiXPolyLine(ClientPtr client)
{
    PanoramiXRes *gc, *draw;
    int 	  result, npoint, j;
    xPoint 	  *origPts;
    Bool	  isRoot;
    REQUEST(xPolyLineReq);

    REQUEST_AT_LEAST_SIZE(xPolyLineReq);

    result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
				      XRC_DRAWABLE, client, DixWriteAccess);
    if (result != Success)
	return (result == BadValue) ? BadDrawable : result;

    if(IS_SHARED_PIXMAP(draw))
	return (*SavedProcVector[X_PolyLine])(client);

    result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				     client, DixReadAccess);
    if (result != Success)
	return result;

    isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root;
    npoint = bytes_to_int32((client->req_len << 2) - sizeof(xPolyLineReq));
    if (npoint > 0){
        origPts = malloc(npoint * sizeof(xPoint));
        memcpy((char *) origPts, (char *) &stuff[1], npoint * sizeof(xPoint));
        FOR_NSCREENS_FORWARD(j){

            if(j) memcpy(&stuff[1], origPts, npoint * sizeof(xPoint));

            if (isRoot) {
                int x_off = screenInfo.screens[j]->x;
                int y_off = screenInfo.screens[j]->y;

		if(x_off || y_off) {
		    xPoint *pnts = (xPoint*)&stuff[1];
		    int i = (stuff->coordMode==CoordModePrevious) ? 1 : npoint;

		    while(i--) {
			pnts->x -= x_off;
			pnts->y -= y_off;
			pnts++;
		    }
		}
            }

	    stuff->drawable = draw->info[j].id;
	    stuff->gc = gc->info[j].id;
	    result = (* SavedProcVector[X_PolyLine])(client);
	    if(result != Success) break;
        }
        free(origPts);
        return result;
   } else
	return Success;
}


int PanoramiXPolySegment(ClientPtr client)
{
    int		  result, nsegs, i, j;
    PanoramiXRes *gc, *draw;
    xSegment 	  *origSegs;
    Bool	  isRoot;
    REQUEST(xPolySegmentReq);

    REQUEST_AT_LEAST_SIZE(xPolySegmentReq);

    result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
				      XRC_DRAWABLE, client, DixWriteAccess);
    if (result != Success)
	return (result == BadValue) ? BadDrawable : result;

    if(IS_SHARED_PIXMAP(draw))
	return (*SavedProcVector[X_PolySegment])(client);

    result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				     client, DixReadAccess);
    if (result != Success)
	return result;

    isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root;

    nsegs = (client->req_len << 2) - sizeof(xPolySegmentReq);
    if(nsegs & 4) return BadLength;
    nsegs >>= 3;
    if (nsegs > 0) {
	origSegs = malloc(nsegs * sizeof(xSegment));
        memcpy((char *) origSegs, (char *) &stuff[1], nsegs * sizeof(xSegment));
        FOR_NSCREENS_FORWARD(j){

            if(j) memcpy(&stuff[1], origSegs, nsegs * sizeof(xSegment));

            if (isRoot) {
                int x_off = screenInfo.screens[j]->x;
                int y_off = screenInfo.screens[j]->y;

		if(x_off || y_off) {
		    xSegment *segs = (xSegment*)&stuff[1];

		    for (i = nsegs; i--; segs++) {
			segs->x1 -= x_off;
			segs->x2 -= x_off;
			segs->y1 -= y_off;
			segs->y2 -= y_off;
		    }
		}
            }

	    stuff->drawable = draw->info[j].id;
	    stuff->gc = gc->info[j].id;
	    result = (* SavedProcVector[X_PolySegment])(client);
	    if(result != Success) break;
    	}
	free(origSegs);
	return result;
    } else
	  return Success;
}


int PanoramiXPolyRectangle(ClientPtr client)
{
    int 	  result, nrects, i, j;
    PanoramiXRes *gc, *draw;
    Bool	  isRoot;
    xRectangle 	  *origRecs;
    REQUEST(xPolyRectangleReq);

    REQUEST_AT_LEAST_SIZE(xPolyRectangleReq);

    result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
				      XRC_DRAWABLE, client, DixWriteAccess);
    if (result != Success)
	return (result == BadValue) ? BadDrawable : result;

    if(IS_SHARED_PIXMAP(draw))
	return (*SavedProcVector[X_PolyRectangle])(client);

    result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				     client, DixReadAccess);
    if (result != Success)
	return result;

    isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root;

    nrects = (client->req_len << 2) - sizeof(xPolyRectangleReq);
    if(nrects & 4) return BadLength;
    nrects >>= 3;
    if (nrects > 0){
	origRecs = malloc(nrects * sizeof(xRectangle));
	memcpy((char *)origRecs,(char *)&stuff[1],nrects * sizeof(xRectangle));
        FOR_NSCREENS_FORWARD(j){

            if(j) memcpy(&stuff[1], origRecs, nrects * sizeof(xRectangle));

	    if (isRoot) {
		int x_off = screenInfo.screens[j]->x;
		int y_off = screenInfo.screens[j]->y;


		if(x_off || y_off) {
	    	    xRectangle *rects = (xRectangle *) &stuff[1];

		    for (i = nrects; i--; rects++) {
			rects->x -= x_off;
			rects->y -= y_off;
		    }
		}
	    } 

	    stuff->drawable = draw->info[j].id;
	    stuff->gc = gc->info[j].id;
	    result = (* SavedProcVector[X_PolyRectangle])(client);
	    if(result != Success) break;
	}
	free(origRecs);
	return result;
    } else
       return Success;
}


int PanoramiXPolyArc(ClientPtr client)
{
    int 	  result, narcs, i, j;
    PanoramiXRes *gc, *draw;
    Bool	  isRoot;
    xArc	  *origArcs;
    REQUEST(xPolyArcReq);

    REQUEST_AT_LEAST_SIZE(xPolyArcReq);

    result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
				      XRC_DRAWABLE, client, DixWriteAccess);
    if (result != Success)
	return (result == BadValue) ? BadDrawable : result;

    if(IS_SHARED_PIXMAP(draw))
	return (*SavedProcVector[X_PolyArc])(client);

    result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				     client, DixReadAccess);
    if (result != Success)
	return result;

    isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root;

    narcs = (client->req_len << 2) - sizeof(xPolyArcReq);
    if(narcs % sizeof(xArc)) return BadLength;
    narcs /= sizeof(xArc);
    if (narcs > 0){
	origArcs = malloc(narcs * sizeof(xArc));
	memcpy((char *) origArcs, (char *) &stuff[1], narcs * sizeof(xArc));
        FOR_NSCREENS_FORWARD(j){

            if(j) memcpy(&stuff[1], origArcs, narcs * sizeof(xArc));

	    if (isRoot) {
		int x_off = screenInfo.screens[j]->x;
		int y_off = screenInfo.screens[j]->y;
	
		if(x_off || y_off) {
		    xArc *arcs = (xArc *) &stuff[1];

		    for (i = narcs; i--; arcs++) {
			arcs->x -= x_off;
			arcs->y -= y_off;
		    }
		}
            }
	    stuff->drawable = draw->info[j].id;
	    stuff->gc = gc->info[j].id;
	    result = (* SavedProcVector[X_PolyArc])(client);
	    if(result != Success) break;
        }
	free(origArcs);
	return result;
    } else
       return Success;
}


int PanoramiXFillPoly(ClientPtr client)
{
    int 	  result, count, j;
    PanoramiXRes *gc, *draw;
    Bool	  isRoot;
    DDXPointPtr	  locPts;
    REQUEST(xFillPolyReq);

    REQUEST_AT_LEAST_SIZE(xFillPolyReq);

    result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
				      XRC_DRAWABLE, client, DixWriteAccess);
    if (result != Success)
	return (result == BadValue) ? BadDrawable : result;

    if(IS_SHARED_PIXMAP(draw))
	return (*SavedProcVector[X_FillPoly])(client);

    result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				     client, DixReadAccess);
    if (result != Success)
	return result;

    isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root;

    count = bytes_to_int32((client->req_len << 2) - sizeof(xFillPolyReq));
    if (count > 0){
	locPts = malloc(count * sizeof(DDXPointRec));
	memcpy((char *)locPts, (char *)&stuff[1], count * sizeof(DDXPointRec));
        FOR_NSCREENS_FORWARD(j){

	    if(j) memcpy(&stuff[1], locPts, count * sizeof(DDXPointRec));

	    if (isRoot) {
		int x_off = screenInfo.screens[j]->x;
		int y_off = screenInfo.screens[j]->y;

		if(x_off || y_off) {
		    DDXPointPtr pnts = (DDXPointPtr)&stuff[1];
		    int i = (stuff->coordMode==CoordModePrevious) ? 1 : count;

		    while(i--) {
			pnts->x -= x_off;
			pnts->y -= y_off;
			pnts++;
		    }
		}
	    }

	    stuff->drawable = draw->info[j].id;
	    stuff->gc = gc->info[j].id;
	    result = (* SavedProcVector[X_FillPoly])(client);
	    if(result != Success) break;
	}
	free(locPts);
	return result;
    } else
       return Success;
}


int PanoramiXPolyFillRectangle(ClientPtr client)
{
    int 	  result, things, i, j;
    PanoramiXRes *gc, *draw;
    Bool	  isRoot;
    xRectangle	  *origRects;
    REQUEST(xPolyFillRectangleReq);

    REQUEST_AT_LEAST_SIZE(xPolyFillRectangleReq);

    result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
				      XRC_DRAWABLE, client, DixWriteAccess);
    if (result != Success)
	return (result == BadValue) ? BadDrawable : result;

    if(IS_SHARED_PIXMAP(draw))
	return (*SavedProcVector[X_PolyFillRectangle])(client);

    result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				     client, DixReadAccess);
    if (result != Success)
	return result;

    isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root;

    things = (client->req_len << 2) - sizeof(xPolyFillRectangleReq);
    if(things & 4) return BadLength;
    things >>= 3;
    if (things > 0){
	origRects = malloc(things * sizeof(xRectangle));
	memcpy((char*)origRects,(char*)&stuff[1], things * sizeof(xRectangle));
        FOR_NSCREENS_FORWARD(j){

	    if(j) memcpy(&stuff[1], origRects, things * sizeof(xRectangle));

	    if (isRoot) {
		int x_off = screenInfo.screens[j]->x;
		int y_off = screenInfo.screens[j]->y;

		if(x_off || y_off) {
		    xRectangle *rects = (xRectangle *) &stuff[1];

		    for (i = things; i--; rects++) {
			rects->x -= x_off;
			rects->y -= y_off;
		    }
		}
	    }

	    stuff->drawable = draw->info[j].id;
	    stuff->gc = gc->info[j].id;
	    result = (* SavedProcVector[X_PolyFillRectangle])(client);
	    if(result != Success) break;
	}
	free(origRects);
	return result;
    } else
       return Success;
}


int PanoramiXPolyFillArc(ClientPtr client)
{
    PanoramiXRes *gc, *draw;
    Bool	  isRoot;
    int 	  result, narcs, i, j;
    xArc	  *origArcs;
    REQUEST(xPolyFillArcReq);

    REQUEST_AT_LEAST_SIZE(xPolyFillArcReq);

    result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
				      XRC_DRAWABLE, client, DixWriteAccess);
    if (result != Success)
	return (result == BadValue) ? BadDrawable : result;

    if(IS_SHARED_PIXMAP(draw))
	return (*SavedProcVector[X_PolyFillArc])(client);

    result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				     client, DixReadAccess);
    if (result != Success)
	return result;

    isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root;

    narcs = (client->req_len << 2) - sizeof(xPolyFillArcReq);
    if (narcs % sizeof(xArc)) return BadLength;
    narcs /= sizeof(xArc);
    if (narcs > 0) {
	origArcs = malloc(narcs * sizeof(xArc));
	memcpy((char *) origArcs, (char *)&stuff[1], narcs * sizeof(xArc));
        FOR_NSCREENS_FORWARD(j){

	    if(j) memcpy(&stuff[1], origArcs, narcs * sizeof(xArc));

	    if (isRoot) {
		int x_off = screenInfo.screens[j]->x;
		int y_off = screenInfo.screens[j]->y;

		if(x_off || y_off) {
		    xArc *arcs = (xArc *) &stuff[1];

		    for (i = narcs; i--; arcs++) {
			arcs->x -= x_off;
			arcs->y -= y_off;
		    }
		}
	    }

	    stuff->drawable = draw->info[j].id;
	    stuff->gc = gc->info[j].id;
	    result = (* SavedProcVector[X_PolyFillArc])(client);
	    if(result != Success) break;
	}
	free(origArcs);
	return result;
    } else
       return Success;
}


int PanoramiXPutImage(ClientPtr client)
{
    PanoramiXRes *gc, *draw;
    Bool	  isRoot;
    int		  j, result, orig_x, orig_y;
    REQUEST(xPutImageReq);

    REQUEST_AT_LEAST_SIZE(xPutImageReq);

    result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
				      XRC_DRAWABLE, client, DixWriteAccess);
    if (result != Success)
	return (result == BadValue) ? BadDrawable : result;

    if(IS_SHARED_PIXMAP(draw))
	return (*SavedProcVector[X_PutImage])(client);

    result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				     client, DixReadAccess);
    if (result != Success)
	return result;

    isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root;

    orig_x = stuff->dstX;
    orig_y = stuff->dstY;
    FOR_NSCREENS_BACKWARD(j){
	if (isRoot) {
	  stuff->dstX = orig_x - screenInfo.screens[j]->x;
	  stuff->dstY = orig_y - screenInfo.screens[j]->y;
	}
	stuff->drawable = draw->info[j].id;
	stuff->gc = gc->info[j].id;
	result = (* SavedProcVector[X_PutImage])(client);
	if(result != Success) break;
    }
    return result;
}


int PanoramiXGetImage(ClientPtr client)
{
    DrawablePtr 	drawables[MAXSCREENS];
    DrawablePtr 	pDraw;
    PanoramiXRes	*draw;
    xGetImageReply	xgi;
    Bool		isRoot;
    char		*pBuf;
    int         	i, x, y, w, h, format, rc;
    Mask		plane = 0, planemask;
    int			linesDone, nlines, linesPerBuf;
    long		widthBytesLine, length;

    REQUEST(xGetImageReq);

    REQUEST_SIZE_MATCH(xGetImageReq);

    if ((stuff->format != XYPixmap) && (stuff->format != ZPixmap)) {
	client->errorValue = stuff->format;
        return BadValue;
    }

    rc = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
				  XRC_DRAWABLE, client, DixWriteAccess);
    if (rc != Success)
	return (rc == BadValue) ? BadDrawable : rc;

    if(draw->type == XRT_PIXMAP)
	return (*SavedProcVector[X_GetImage])(client);

    rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0,
			   DixReadAccess);
    if (rc != Success)
	return rc;

    if(!((WindowPtr)pDraw)->realized)
	return BadMatch;

    x = stuff->x;
    y = stuff->y;
    w = stuff->width;
    h = stuff->height;
    format = stuff->format;
    planemask = stuff->planeMask;

    isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root;

    if(isRoot) {
      if( /* check for being onscreen */
	x < 0 || x + w > PanoramiXPixWidth ||
	y < 0 || y + h > PanoramiXPixHeight )
	    return BadMatch;
    } else {
      if( /* check for being onscreen */
	screenInfo.screens[0]->x + pDraw->x + x < 0 ||
	screenInfo.screens[0]->x + pDraw->x + x + w > PanoramiXPixWidth ||
	screenInfo.screens[0]->y + pDraw->y + y < 0 ||
	screenInfo.screens[0]->y + pDraw->y + y + h > PanoramiXPixHeight ||
	 /* check for being inside of border */
       	x < - wBorderWidth((WindowPtr)pDraw) ||
	x + w > wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width ||
	y < -wBorderWidth((WindowPtr)pDraw) ||
	y + h > wBorderWidth ((WindowPtr)pDraw) + (int)pDraw->height)
	    return BadMatch;
    }

    drawables[0] = pDraw;
    for(i = 1; i < PanoramiXNumScreens; i++) {
	rc = dixLookupDrawable(drawables+i, draw->info[i].id, client, 0,
			       DixGetAttrAccess);
	if (rc != Success)
	    return rc;
    }

    xgi.visual = wVisual (((WindowPtr) pDraw));
    xgi.type = X_Reply;
    xgi.sequenceNumber = client->sequence;
    xgi.depth = pDraw->depth;
    if(format == ZPixmap) {
	widthBytesLine = PixmapBytePad(w, pDraw->depth);
	length = widthBytesLine * h;


    } else {
	widthBytesLine = BitmapBytePad(w);
	plane = ((Mask)1) << (pDraw->depth - 1);
	/* only planes asked for */
	length = widthBytesLine * h *
		 Ones(planemask & (plane | (plane - 1)));

    }

    xgi.length = bytes_to_int32(length);

    if (widthBytesLine == 0 || h == 0)
	linesPerBuf = 0;
    else if (widthBytesLine >= XINERAMA_IMAGE_BUFSIZE)
	linesPerBuf = 1;
    else {
	linesPerBuf = XINERAMA_IMAGE_BUFSIZE / widthBytesLine;
	if (linesPerBuf > h)
	    linesPerBuf = h;
    }
    length = linesPerBuf * widthBytesLine;
    if(!(pBuf = malloc(length)))
	return BadAlloc;

    WriteReplyToClient(client, sizeof (xGetImageReply), &xgi);

    if (linesPerBuf == 0) {
	/* nothing to do */
    }
    else if (format == ZPixmap) {
        linesDone = 0;
        while (h - linesDone > 0) {
	    nlines = min(linesPerBuf, h - linesDone);

	    if(pDraw->depth == 1)
		memset(pBuf, 0, nlines * widthBytesLine);

	    XineramaGetImageData(drawables, x, y + linesDone, w, nlines,
			format, planemask, pBuf, widthBytesLine, isRoot);

		(void)WriteToClient(client,
				    (int)(nlines * widthBytesLine),
				    pBuf);
	    linesDone += nlines;
        }
    } else { /* XYPixmap */
        for (; plane; plane >>= 1) {
	    if (planemask & plane) {
	        linesDone = 0;
	        while (h - linesDone > 0) {
		    nlines = min(linesPerBuf, h - linesDone);

		    memset(pBuf, 0, nlines * widthBytesLine);

		    XineramaGetImageData(drawables, x, y + linesDone, w, 
					nlines, format, plane, pBuf,
					widthBytesLine, isRoot);

		    (void)WriteToClient(client,
				    (int)(nlines * widthBytesLine),
				    pBuf);

		    linesDone += nlines;
		}
            }
	}
    }
    free(pBuf);
    return Success;
}


/* The text stuff should be rewritten so that duplication happens
   at the GlyphBlt level.  That is, loading the font and getting
   the glyphs should only happen once */

int 
PanoramiXPolyText8(ClientPtr client)
{
    PanoramiXRes *gc, *draw;
    Bool	  isRoot;
    int 	  result, j;
    int	 	  orig_x, orig_y;
    REQUEST(xPolyTextReq);

    REQUEST_AT_LEAST_SIZE(xPolyTextReq);

    result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
				      XRC_DRAWABLE, client, DixWriteAccess);
    if (result != Success)
	return (result == BadValue) ? BadDrawable : result;

    if(IS_SHARED_PIXMAP(draw))
	return (*SavedProcVector[X_PolyText8])(client);

    result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				     client, DixReadAccess);
    if (result != Success)
	return result;

    isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root;

    orig_x = stuff->x;
    orig_y = stuff->y;
    FOR_NSCREENS_BACKWARD(j){
	stuff->drawable = draw->info[j].id;
	stuff->gc = gc->info[j].id;
	if (isRoot) {
	    stuff->x = orig_x - screenInfo.screens[j]->x;
	    stuff->y = orig_y - screenInfo.screens[j]->y;
	}
	result = (*SavedProcVector[X_PolyText8])(client);
	if(result != Success) break;
    }
    return result;
}

int 
PanoramiXPolyText16(ClientPtr client)
{
    PanoramiXRes *gc, *draw;
    Bool	  isRoot;
    int 	  result, j;
    int	 	  orig_x, orig_y;
    REQUEST(xPolyTextReq);

    REQUEST_AT_LEAST_SIZE(xPolyTextReq);

    result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
				      XRC_DRAWABLE, client, DixWriteAccess);
    if (result != Success)
	return (result == BadValue) ? BadDrawable : result;

    if(IS_SHARED_PIXMAP(draw))
	return (*SavedProcVector[X_PolyText16])(client);

    result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				     client, DixReadAccess);
    if (result != Success)
	return result;

    isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root;

    orig_x = stuff->x;
    orig_y = stuff->y;
    FOR_NSCREENS_BACKWARD(j){
	stuff->drawable = draw->info[j].id;
	stuff->gc = gc->info[j].id;
	if (isRoot) {
	    stuff->x = orig_x - screenInfo.screens[j]->x;
	    stuff->y = orig_y - screenInfo.screens[j]->y;
	}
	result = (*SavedProcVector[X_PolyText16])(client);
	if(result != Success) break;
    }
    return result;
}


int PanoramiXImageText8(ClientPtr client)
{
    int 	  result, j;
    PanoramiXRes *gc, *draw;
    Bool	  isRoot;
    int		  orig_x, orig_y;
    REQUEST(xImageTextReq);

    REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars);

    result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
				      XRC_DRAWABLE, client, DixWriteAccess);
    if (result != Success)
	return (result == BadValue) ? BadDrawable : result;

    if(IS_SHARED_PIXMAP(draw))
	return (*SavedProcVector[X_ImageText8])(client);

    result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				     client, DixReadAccess);
    if (result != Success)
	return result;

    isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root;

    orig_x = stuff->x;
    orig_y = stuff->y;
    FOR_NSCREENS_BACKWARD(j){
	stuff->drawable = draw->info[j].id;
	stuff->gc = gc->info[j].id;
	if (isRoot) {
	    stuff->x = orig_x - screenInfo.screens[j]->x;
	    stuff->y = orig_y - screenInfo.screens[j]->y;
	}
	result = (*SavedProcVector[X_ImageText8])(client);
	if(result != Success) break;
    }
    return result;
}


int PanoramiXImageText16(ClientPtr client)
{
    int 	  result, j;
    PanoramiXRes *gc, *draw;
    Bool	  isRoot;
    int		  orig_x, orig_y;
    REQUEST(xImageTextReq);

    REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars << 1);

    result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
				      XRC_DRAWABLE, client, DixWriteAccess);
    if (result != Success)
	return (result == BadValue) ? BadDrawable : result;

    if(IS_SHARED_PIXMAP(draw))
	return (*SavedProcVector[X_ImageText16])(client);

    result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC,
				     client, DixReadAccess);
    if (result != Success)
	return result;

    isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root;

    orig_x = stuff->x;
    orig_y = stuff->y;
    FOR_NSCREENS_BACKWARD(j){
	stuff->drawable = draw->info[j].id;
	stuff->gc = gc->info[j].id;
	if (isRoot) {
	    stuff->x = orig_x - screenInfo.screens[j]->x;
	    stuff->y = orig_y - screenInfo.screens[j]->y;
	}
	result = (*SavedProcVector[X_ImageText16])(client);
	if(result != Success) break;
    }
    return result;
}



int PanoramiXCreateColormap(ClientPtr client)
{
    PanoramiXRes	*win, *newCmap;
    int 		result, j, orig_visual;
    REQUEST(xCreateColormapReq);

    REQUEST_SIZE_MATCH(xCreateColormapReq);

    result = dixLookupResourceByType((pointer *)&win, stuff->window,
				     XRT_WINDOW, client, DixReadAccess);
    if (result != Success)
	return result;

    if(!(newCmap = malloc(sizeof(PanoramiXRes))))
        return BadAlloc;

    newCmap->type = XRT_COLORMAP;
    newCmap->info[0].id = stuff->mid;
    for(j = 1; j < PanoramiXNumScreens; j++)
        newCmap->info[j].id = FakeClientID(client->index);

    orig_visual = stuff->visual;
    FOR_NSCREENS_BACKWARD(j){
	stuff->mid = newCmap->info[j].id;
	stuff->window = win->info[j].id;
	stuff->visual = PanoramiXTranslateVisualID(j, orig_visual);
	result = (* SavedProcVector[X_CreateColormap])(client);
	if(result != Success) break;
    }
 
    if (result == Success)
        AddResource(newCmap->info[0].id, XRT_COLORMAP, newCmap);
    else 
        free(newCmap);

    return result;
}


int PanoramiXFreeColormap(ClientPtr client)
{
    PanoramiXRes *cmap;
    int          result, j;
    REQUEST(xResourceReq);

    REQUEST_SIZE_MATCH(xResourceReq);

    client->errorValue = stuff->id;

    result = dixLookupResourceByType((pointer *)&cmap, stuff->id, XRT_COLORMAP,
				     client, DixDestroyAccess);
    if (result != Success)
        return result;

    FOR_NSCREENS_BACKWARD(j) {
        stuff->id = cmap->info[j].id;
        result = (* SavedProcVector[X_FreeColormap])(client);
	if(result != Success) break;
    }

    /* Since ProcFreeColormap is using FreeResource, it will free
	our resource for us on the last pass through the loop above */

    return result;
}


int
PanoramiXCopyColormapAndFree(ClientPtr client)
{
    PanoramiXRes *cmap, *newCmap;
    int          result, j;
    REQUEST(xCopyColormapAndFreeReq);

    REQUEST_SIZE_MATCH(xCopyColormapAndFreeReq);

    client->errorValue = stuff->srcCmap;

    result = dixLookupResourceByType((pointer *)&cmap, stuff->srcCmap,
				     XRT_COLORMAP, client,
				     DixReadAccess | DixWriteAccess);
    if (result != Success)
        return result;

    if(!(newCmap = malloc(sizeof(PanoramiXRes))))
        return BadAlloc;

    newCmap->type = XRT_COLORMAP;
    newCmap->info[0].id = stuff->mid;
    for(j = 1; j < PanoramiXNumScreens; j++)
        newCmap->info[j].id = FakeClientID(client->index);

    FOR_NSCREENS_BACKWARD(j){
        stuff->srcCmap = cmap->info[j].id;
	stuff->mid = newCmap->info[j].id;
        result = (* SavedProcVector[X_CopyColormapAndFree])(client);
	if(result != Success) break;
    }

    if (result == Success)
        AddResource(newCmap->info[0].id, XRT_COLORMAP, newCmap);
    else 
        free(newCmap);

    return result;
}


int PanoramiXInstallColormap(ClientPtr client)
{
    REQUEST(xResourceReq);
    int 	result, j;
    PanoramiXRes *cmap;

    REQUEST_SIZE_MATCH(xResourceReq);

    client->errorValue = stuff->id;

    result = dixLookupResourceByType((pointer *)&cmap, stuff->id, XRT_COLORMAP,
				     client, DixReadAccess);
    if (result != Success)
        return result;

    FOR_NSCREENS_BACKWARD(j){
	stuff->id = cmap->info[j].id;
	result = (* SavedProcVector[X_InstallColormap])(client);
	if(result != Success) break;
    }
    return result;
}


int PanoramiXUninstallColormap(ClientPtr client)
{
    REQUEST(xResourceReq);
    int 	result, j;
    PanoramiXRes *cmap;

    REQUEST_SIZE_MATCH(xResourceReq);
 
    client->errorValue = stuff->id;

    result = dixLookupResourceByType((pointer *)&cmap, stuff->id, XRT_COLORMAP,
				     client, DixReadAccess);
    if (result != Success)
        return result;

    FOR_NSCREENS_BACKWARD(j) {
	stuff->id = cmap->info[j].id;
	result = (* SavedProcVector[X_UninstallColormap])(client);
	if(result != Success) break;
    }
    return result;
}


int PanoramiXAllocColor(ClientPtr client)
{
    int           result, j;
    PanoramiXRes *cmap;
    REQUEST(xAllocColorReq);

    REQUEST_SIZE_MATCH(xAllocColorReq);

    client->errorValue = stuff->cmap;

    result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap,
				     XRT_COLORMAP, client, DixWriteAccess);
    if (result != Success)
        return result;

    FOR_NSCREENS_BACKWARD(j){
	stuff->cmap = cmap->info[j].id;
	result = (* SavedProcVector[X_AllocColor])(client);
	if(result != Success) break;
    }
    return result;
}


int PanoramiXAllocNamedColor(ClientPtr client)
{
    int           result, j;
    PanoramiXRes  *cmap;
    REQUEST(xAllocNamedColorReq);

    REQUEST_FIXED_SIZE(xAllocNamedColorReq, stuff->nbytes);

    client->errorValue = stuff->cmap;

    result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap,
				     XRT_COLORMAP, client, DixWriteAccess);
    if (result != Success)
        return result;

    FOR_NSCREENS_BACKWARD(j){
        stuff->cmap = cmap->info[j].id;
        result = (* SavedProcVector[X_AllocNamedColor])(client);
	if(result != Success) break;
    }
    return result;
}


int PanoramiXAllocColorCells(ClientPtr client)
{
    int           result, j;
    PanoramiXRes  *cmap;
    REQUEST(xAllocColorCellsReq);

    REQUEST_SIZE_MATCH(xAllocColorCellsReq);

    client->errorValue = stuff->cmap;

    result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap,
				     XRT_COLORMAP, client, DixWriteAccess);
    if (result != Success)
        return result;
	
    FOR_NSCREENS_BACKWARD(j){
	stuff->cmap = cmap->info[j].id;
	result = (* SavedProcVector[X_AllocColorCells])(client);
	if(result != Success) break;
    }
    return result;
}


int PanoramiXAllocColorPlanes(ClientPtr client)
{
    int           result, j;
    PanoramiXRes  *cmap;
    REQUEST(xAllocColorPlanesReq);

    REQUEST_SIZE_MATCH(xAllocColorPlanesReq);

    client->errorValue = stuff->cmap;

    result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap,
				     XRT_COLORMAP, client, DixWriteAccess);
    if (result != Success)
        return result;
	
    FOR_NSCREENS_BACKWARD(j){
	stuff->cmap = cmap->info[j].id;
	result = (* SavedProcVector[X_AllocColorPlanes])(client);
	if(result != Success) break;
    }
    return result;
}



int PanoramiXFreeColors(ClientPtr client)
{
    int           result, j;
    PanoramiXRes  *cmap;
    REQUEST(xFreeColorsReq);

    REQUEST_AT_LEAST_SIZE(xFreeColorsReq);

    client->errorValue = stuff->cmap;

    result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap,
				     XRT_COLORMAP, client, DixWriteAccess);
    if (result != Success)
        return result;

    FOR_NSCREENS_BACKWARD(j) {
        stuff->cmap = cmap->info[j].id;
        result = (* SavedProcVector[X_FreeColors])(client);
    }
    return result;
}


int PanoramiXStoreColors(ClientPtr client)
{
    int           result, j;
    PanoramiXRes  *cmap;
    REQUEST(xStoreColorsReq);

    REQUEST_AT_LEAST_SIZE(xStoreColorsReq);

    client->errorValue = stuff->cmap;

    result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap,
				     XRT_COLORMAP, client, DixWriteAccess);
    if (result != Success)
        return result;

    FOR_NSCREENS_BACKWARD(j){
	stuff->cmap = cmap->info[j].id;
	result = (* SavedProcVector[X_StoreColors])(client);
	if(result != Success) break;
    }
    return result;
}


int PanoramiXStoreNamedColor(ClientPtr client)
{
    int           result, j;
    PanoramiXRes  *cmap;
    REQUEST(xStoreNamedColorReq);

    REQUEST_FIXED_SIZE(xStoreNamedColorReq, stuff->nbytes);

    client->errorValue = stuff->cmap;

    result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap,
				     XRT_COLORMAP, client, DixWriteAccess);
    if (result != Success)
        return result;

    FOR_NSCREENS_BACKWARD(j){
	stuff->cmap = cmap->info[j].id;
	result = (* SavedProcVector[X_StoreNamedColor])(client);
	if(result != Success) break;
    }
    return result;
}