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IABSD.fr/xenocara/xserver/Xext/panoramiXprocs.c

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  • Author : matthieu
    Date : 2019-12-12 06:05:17
    Hash : 9a532c54
    Message : Update to X server 1.20.6. Tested by naddy@

  • xserver/Xext/panoramiXprocs.c
  • /*****************************************************************
    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((void **) &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((void **) &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((void **) &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) {
                result = dixLookupResourceByType((void **) &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;
        panoramix_setup_ids(newWin, client, stuff->wid);
    
        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((void **) &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((void **) &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((void **) &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) {
                result = dixLookupResourceByType((void **) &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((void **) &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((void **) &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((void **) &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((void **) &win, stuff->window,
                                         XRT_WINDOW, client, DixWriteAccess);
        if (result != Success)
            return result;
    
        result = dixLookupResourceByType((void **) &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((void **) &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((void **) &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((void **) &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((void **) &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((void **) &pWin, stuff->window,
                                         RT_WINDOW, client, DixWriteAccess);
        if (result != Success)
            return result;
    
        result = dixLookupResourceByType((void **) &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((void **) &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((void **) &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 = (xGetGeometryReply) {
            .type = X_Reply,
            .sequenceNumber = client->sequence,
            .length = 0,
            .root = screenInfo.screens[0]->root->drawable.id,
            .depth = pDraw->depth,
            .width = pDraw->width,
            .height = pDraw->height,
            .x = 0,
            .y = 0,
            .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 = (xTranslateCoordsReply) {
            .type = X_Reply,
            .sequenceNumber = client->sequence,
            .length = 0,
            .sameScreen = xTrue,
            .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((void **) &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;
        panoramix_setup_ids(newPix, client, stuff->pid);
    
        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((void **) &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((void **) &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((void **) &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((void **) &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((void **) &clip, tmp, XRT_PIXMAP,
                                                 client, DixReadAccess);
                if (result != Success)
                    return result;
            }
        }
    
        if (!(newGC = malloc(sizeof(PanoramiXRes))))
            return BadAlloc;
    
        newGC->type = XRT_GC;
        panoramix_setup_ids(newGC, client, stuff->gc);
    
        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((void **) &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((void **) &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((void **) &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((void **) &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((void **) &srcGC, stuff->srcGC, XRT_GC,
                                         client, DixReadAccess);
        if (result != Success)
            return result;
    
        result = dixLookupResourceByType((void **) &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((void **) &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((void **) &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((void **) &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((void **) &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, width, height;
        PanoramiXRes *gc, *src, *dst;
        Bool srcIsRoot = FALSE;
        Bool dstIsRoot = FALSE;
        Bool srcShared, dstShared;
    
        REQUEST(xCopyAreaReq);
    
        REQUEST_SIZE_MATCH(xCopyAreaReq);
    
        result = dixLookupResourceByClass((void **) &src, stuff->srcDrawable,
                                          XRC_DRAWABLE, client, DixReadAccess);
        if (result != Success)
            return (result == BadValue) ? BadDrawable : result;
    
        srcShared = IS_SHARED_PIXMAP(src);
    
        result = dixLookupResourceByClass((void **) &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((void **) &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;
        width = stuff->width;
        height = stuff->height;
        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;
                drawables[j]->pScreen->SourceValidate(drawables[j], 0, 0,
                                                      drawables[j]->width,
                                                      drawables[j]->height,
                                                      IncludeInferiors);
            }
    
            pitch = PixmapBytePad(width, drawables[0]->depth);
            if (!(data = calloc(height, pitch)))
                return BadAlloc;
    
            XineramaGetImageData(drawables, srcx, srcy, width, 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,
                                       width, height, 0, ZPixmap, data);
                if (dstShared)
                    break;
            }
            free(data);
    
            if (pGC->graphicsExposures) {
                RegionRec rgn;
                int dx, dy;
                BoxRec sourceBox;
    
                dx = drawables[0]->x;
                dy = drawables[0]->y;
                if (srcIsRoot) {
                    dx += screenInfo.screens[0]->x;
                    dy += screenInfo.screens[0]->y;
                }
    
                sourceBox.x1 = min(srcx + dx, 0);
                sourceBox.y1 = min(srcy + dy, 0);
                sourceBox.x2 = max(sourceBox.x1 + width, 32767);
                sourceBox.y2 = max(sourceBox.y1 + height, 32767);
    
                RegionInit(&rgn, &sourceBox, 1);
    
                /* subtract the (screen-space) clips of the source drawables */
                FOR_NSCREENS(j) {
                    ScreenPtr screen = screenInfo.screens[j];
                    RegionPtr sd;
    
                    if (pGC->subWindowMode == IncludeInferiors)
                        sd = NotClippedByChildren((WindowPtr)drawables[j]);
                    else
                        sd = &((WindowPtr)drawables[j])->clipList;
    
                    if (srcIsRoot)
                        RegionTranslate(&rgn, -screen->x, -screen->y);
    
                    RegionSubtract(&rgn, &rgn, sd);
    
                    if (srcIsRoot)
                        RegionTranslate(&rgn, screen->x, screen->y);
    
                    if (pGC->subWindowMode == IncludeInferiors)
                        RegionDestroy(sd);
                }
    
                /* -dx/-dy to get back to dest-relative, plus request offsets */
                RegionTranslate(&rgn, -dx + dstx, -dy + dsty);
    
                /* intersect with gc clip; just one screen is fine because pixmap */
                RegionIntersect(&rgn, &rgn, pGC->pCompositeClip);
    
                /* and expose */
                SendGraphicsExpose(client, &rgn, dst->info[0].id, X_CopyArea, 0);
                RegionUninit(&rgn);
            }
        }
        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);
                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((void **) &src, stuff->srcDrawable,
                                      XRC_DRAWABLE, client, DixReadAccess);
        if (rc != Success)
            return (rc == BadValue) ? BadDrawable : rc;
    
        srcShared = IS_SHARED_PIXMAP(src);
    
        rc = dixLookupResourceByClass((void **) &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((void **) &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);
            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((void **) &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((void **) &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 = xallocarray(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((void **) &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((void **) &gc, stuff->gc, XRT_GC,
                                         client, DixReadAccess);
        if (result != Success)
            return result;
    
        isRoot = IS_ROOT_DRAWABLE(draw);
        npoint = bytes_to_int32((client->req_len << 2) - sizeof(xPolyLineReq));
        if (npoint > 0) {
            origPts = xallocarray(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((void **) &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((void **) &gc, stuff->gc, XRT_GC,
                                         client, DixReadAccess);
        if (result != Success)
            return result;
    
        isRoot = IS_ROOT_DRAWABLE(draw);
    
        nsegs = (client->req_len << 2) - sizeof(xPolySegmentReq);
        if (nsegs & 4)
            return BadLength;
        nsegs >>= 3;
        if (nsegs > 0) {
            origSegs = xallocarray(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((void **) &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((void **) &gc, stuff->gc, XRT_GC,
                                         client, DixReadAccess);
        if (result != Success)
            return result;
    
        isRoot = IS_ROOT_DRAWABLE(draw);
    
        nrects = (client->req_len << 2) - sizeof(xPolyRectangleReq);
        if (nrects & 4)
            return BadLength;
        nrects >>= 3;
        if (nrects > 0) {
            origRecs = xallocarray(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((void **) &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((void **) &gc, stuff->gc, XRT_GC,
                                         client, DixReadAccess);
        if (result != Success)
            return result;
    
        isRoot = IS_ROOT_DRAWABLE(draw);
    
        narcs = (client->req_len << 2) - sizeof(xPolyArcReq);
        if (narcs % sizeof(xArc))
            return BadLength;
        narcs /= sizeof(xArc);
        if (narcs > 0) {
            origArcs = xallocarray(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((void **) &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((void **) &gc, stuff->gc, XRT_GC,
                                         client, DixReadAccess);
        if (result != Success)
            return result;
    
        isRoot = IS_ROOT_DRAWABLE(draw);
    
        count = bytes_to_int32((client->req_len << 2) - sizeof(xFillPolyReq));
        if (count > 0) {
            locPts = xallocarray(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((void **) &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((void **) &gc, stuff->gc, XRT_GC,
                                         client, DixReadAccess);
        if (result != Success)
            return result;
    
        isRoot = IS_ROOT_DRAWABLE(draw);
    
        things = (client->req_len << 2) - sizeof(xPolyFillRectangleReq);
        if (things & 4)
            return BadLength;
        things >>= 3;
        if (things > 0) {
            origRects = xallocarray(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((void **) &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((void **) &gc, stuff->gc, XRT_GC,
                                         client, DixReadAccess);
        if (result != Success)
            return result;
    
        isRoot = IS_ROOT_DRAWABLE(draw);
    
        narcs = (client->req_len << 2) - sizeof(xPolyFillArcReq);
        if (narcs % sizeof(xArc))
            return BadLength;
        narcs /= sizeof(xArc);
        if (narcs > 0) {
            origArcs = xallocarray(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((void **) &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((void **) &gc, stuff->gc, XRT_GC,
                                         client, DixReadAccess);
        if (result != Success)
            return result;
    
        isRoot = IS_ROOT_DRAWABLE(draw);
    
        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((void **) &draw, stuff->drawable,
                                      XRC_DRAWABLE, client, DixReadAccess);
        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 = IS_ROOT_DRAWABLE(draw);
    
        if (isRoot) {
            /* check for being onscreen */
            if (x < 0 || x + w > PanoramiXPixWidth ||
                y < 0 || y + h > PanoramiXPixHeight)
                return BadMatch;
        }
        else {
            /* check for being onscreen and inside of border */
            if (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 ||
                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_NSCREENS_FORWARD_SKIP(i) {
            rc = dixLookupDrawable(drawables + i, draw->info[i].id, client, 0,
                                   DixGetAttrAccess);
            if (rc != Success)
                return rc;
        }
        FOR_NSCREENS_FORWARD(i) {
            drawables[i]->pScreen->SourceValidate(drawables[i], 0, 0,
                                                  drawables[i]->width,
                                                  drawables[i]->height,
                                                  IncludeInferiors);
        }
    
        xgi = (xGetImageReply) {
            .type = X_Reply,
            .sequenceNumber = client->sequence,
            .visual = wVisual(((WindowPtr) pDraw)),
            .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;
        }
        if (!(pBuf = xallocarray(linesPerBuf, widthBytesLine)))
            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);
    
                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);
    
                        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((void **) &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((void **) &gc, stuff->gc, XRT_GC,
                                         client, DixReadAccess);
        if (result != Success)
            return result;
    
        isRoot = IS_ROOT_DRAWABLE(draw);
    
        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((void **) &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((void **) &gc, stuff->gc, XRT_GC,
                                         client, DixReadAccess);
        if (result != Success)
            return result;
    
        isRoot = IS_ROOT_DRAWABLE(draw);
    
        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((void **) &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((void **) &gc, stuff->gc, XRT_GC,
                                         client, DixReadAccess);
        if (result != Success)
            return result;
    
        isRoot = IS_ROOT_DRAWABLE(draw);
    
        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((void **) &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((void **) &gc, stuff->gc, XRT_GC,
                                         client, DixReadAccess);
        if (result != Success)
            return result;
    
        isRoot = IS_ROOT_DRAWABLE(draw);
    
        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((void **) &win, stuff->window,
                                         XRT_WINDOW, client, DixReadAccess);
        if (result != Success)
            return result;
    
        if (!(newCmap = malloc(sizeof(PanoramiXRes))))
            return BadAlloc;
    
        newCmap->type = XRT_COLORMAP;
        panoramix_setup_ids(newCmap, client, stuff->mid);
    
        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((void **) &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((void **) &cmap, stuff->srcCmap,
                                         XRT_COLORMAP, client,
                                         DixReadAccess | DixWriteAccess);
        if (result != Success)
            return result;
    
        if (!(newCmap = malloc(sizeof(PanoramiXRes))))
            return BadAlloc;
    
        newCmap->type = XRT_COLORMAP;
        panoramix_setup_ids(newCmap, client, stuff->mid);
    
        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((void **) &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((void **) &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((void **) &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((void **) &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((void **) &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((void **) &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((void **) &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((void **) &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((void **) &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;
    }