xserver git update 15/5/2010

1 files changed, 1127 insertions, 1127 deletions

diff --git a/xorg-server/hw/dmx/dmx.c b/xorg-server/hw/dmx/dmx.c
index a1afe76cf..b201fb8a7 100644
--- a/xorg-server/hw/dmx/dmx.c
+++ b/xorg-server/hw/dmx/dmx.c
@@ -1,1127 +1,1127 @@
-/*
- * Copyright 2002-2004 Red Hat Inc., Durham, North Carolina.
- *
- * All Rights Reserved.
- *
- * 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 on the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) 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
- * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-/*
- * Authors:
- *   Rickard E. (Rik) Faith <faith@redhat.com>
- *
- */
-
-/** \file
- * This file implements the server-side part of the DMX protocol. A
- * vector of fucntions is provided at extension initialization time, so
- * most all of the useful functions in this file are declared static and
- * do not appear in the doxygen documentation.
- *
- * Much of the low-level work is done by functions in \a dmxextension.c
- *
- * Please see the Client-to-Server DMX Extension to the X Protocol
- * document for details about the protocol.  */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "os.h"
-#include "dixstruct.h"
-#include "extnsionst.h"
-#include "opaque.h"
-
-#include "dmxextension.h"
-#include <X11/extensions/dmxproto.h>
-#include <X11/extensions/dmx.h>
-#include "protocol-versions.h"
-
-#ifdef PANORAMIX
-#include "panoramiX.h"
-extern unsigned long XRT_WINDOW;
-extern int           PanoramiXNumScreens;
-#endif
-
-extern void DMXExtensionInit(void);
-
-static unsigned char DMXCode;
-
-static DISPATCH_PROC(ProcDMXDispatch);
-static DISPATCH_PROC(ProcDMXQueryVersion);
-static DISPATCH_PROC(ProcDMXSync);
-static DISPATCH_PROC(ProcDMXForceWindowCreation);
-static DISPATCH_PROC(ProcDMXGetScreenCount);
-static DISPATCH_PROC(ProcDMXGetScreenAttributes);
-static DISPATCH_PROC(ProcDMXChangeScreensAttributes);
-static DISPATCH_PROC(ProcDMXAddScreen);
-static DISPATCH_PROC(ProcDMXRemoveScreen);
-static DISPATCH_PROC(ProcDMXGetWindowAttributes);
-static DISPATCH_PROC(ProcDMXGetDesktopAttributes);
-static DISPATCH_PROC(ProcDMXChangeDesktopAttributes);
-static DISPATCH_PROC(ProcDMXGetInputCount);
-static DISPATCH_PROC(ProcDMXGetInputAttributes);
-static DISPATCH_PROC(ProcDMXAddInput);
-static DISPATCH_PROC(ProcDMXRemoveInput);
-
-static DISPATCH_PROC(SProcDMXDispatch);
-static DISPATCH_PROC(SProcDMXQueryVersion);
-static DISPATCH_PROC(SProcDMXSync);
-static DISPATCH_PROC(SProcDMXForceWindowCreation);
-static DISPATCH_PROC(SProcDMXGetScreenCount);
-static DISPATCH_PROC(SProcDMXGetScreenAttributes);
-static DISPATCH_PROC(SProcDMXChangeScreensAttributes);
-static DISPATCH_PROC(SProcDMXAddScreen);
-static DISPATCH_PROC(SProcDMXRemoveScreen);
-static DISPATCH_PROC(SProcDMXGetWindowAttributes);
-static DISPATCH_PROC(SProcDMXGetDesktopAttributes);
-static DISPATCH_PROC(SProcDMXChangeDesktopAttributes);
-static DISPATCH_PROC(SProcDMXGetInputCount);
-static DISPATCH_PROC(SProcDMXGetInputAttributes);
-static DISPATCH_PROC(SProcDMXAddInput);
-static DISPATCH_PROC(SProcDMXRemoveInput);
-
-static int _DMXXineramaActive(void)
-{
-#ifdef PANORAMIX
-    return !noPanoramiXExtension;
-#endif
-    return 0;
-}
-
-/** Initialize the extension. */
-void DMXExtensionInit(void)
-{
-    ExtensionEntry *extEntry;
-    
-    if ((extEntry = AddExtension(DMX_EXTENSION_NAME, 0, 0,
-                                 ProcDMXDispatch, SProcDMXDispatch,
-                                 NULL, StandardMinorOpcode)))
-	DMXCode = extEntry->base;
-}
-
-static void dmxSetScreenAttribute(int bit, DMXScreenAttributesPtr attr,
-                                  CARD32 value)
-{
-    switch (1 << bit) {
-    case DMXScreenWindowWidth:   attr->screenWindowWidth   = value; break;
-    case DMXScreenWindowHeight:  attr->screenWindowHeight  = value; break;
-    case DMXScreenWindowXoffset: attr->screenWindowXoffset = value; break;
-    case DMXScreenWindowYoffset: attr->screenWindowYoffset = value; break;
-    case DMXRootWindowWidth:     attr->rootWindowWidth     = value; break;
-    case DMXRootWindowHeight:    attr->rootWindowHeight    = value; break;
-    case DMXRootWindowXoffset:   attr->rootWindowXoffset   = value; break;
-    case DMXRootWindowYoffset:   attr->rootWindowYoffset   = value; break;
-    case DMXRootWindowXorigin:   attr->rootWindowXorigin   = value; break;
-    case DMXRootWindowYorigin:   attr->rootWindowYorigin   = value; break;
-    }
-}
-
-static int dmxFetchScreenAttributes(unsigned int mask,
-                                    DMXScreenAttributesPtr attr,
-                                    CARD32 *value_list)
-{
-    int    i;
-    CARD32 *value = value_list;
-    int    count  = 0;
-        
-    for (i = 0; i < 32; i++) {
-        if (mask & (1 << i)) {
-            dmxSetScreenAttribute(i, attr, *value);
-            ++value;
-            ++count;
-        }
-    }
-    return count;
-}
-
-static void dmxSetDesktopAttribute(int bit, DMXDesktopAttributesPtr attr,
-                                   CARD32 value)
-{
-    switch (1 << bit) {
-    case DMXDesktopWidth:  attr->width  = value; break;
-    case DMXDesktopHeight: attr->height = value; break;
-    case DMXDesktopShiftX: attr->shiftX = value; break;
-    case DMXDesktopShiftY: attr->shiftY = value; break;
-    }
-}
-
-static int dmxFetchDesktopAttributes(unsigned int mask,
-                                     DMXDesktopAttributesPtr attr,
-                                     CARD32 *value_list)
-{
-    int    i;
-    CARD32 *value = value_list;
-    int    count  = 0;
-        
-    for (i = 0; i < 32; i++) {
-        if (mask & (1 << i)) {
-            dmxSetDesktopAttribute(i, attr, *value);
-	    ++value;
-            ++count;
-        }
-    }
-    return count;
-}
-
-static void dmxSetInputAttribute(int bit, DMXInputAttributesPtr attr,
-                                 CARD32 value)
-{
-    switch (1 << bit) {
-    case DMXInputType:           attr->inputType      = value;   break;
-    case DMXInputPhysicalScreen: attr->physicalScreen = value;   break;
-    case DMXInputSendsCore:      attr->sendsCore      = !!value; break;
-    }
-}
-
-static int dmxFetchInputAttributes(unsigned int mask,
-                                   DMXInputAttributesPtr attr,
-                                   CARD32 *value_list)
-{
-    int    i;
-    CARD32 *value = value_list;
-    int    count  = 0;
-
-    for (i = 0; i < 32; i++) {
-        if (mask & (1 << i)) {
-            dmxSetInputAttribute(i, attr, *value);
-            ++value;
-            ++count;
-        }
-    }
-    return count;
-}
-
-static int ProcDMXQueryVersion(ClientPtr client)
-{
-    xDMXQueryVersionReply rep;
-    int                   n;
-
-    REQUEST_SIZE_MATCH(xDMXQueryVersionReq);
-
-    rep.type           = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.length         = 0;
-    rep.majorVersion   = SERVER_DMX_MAJOR_VERSION;
-    rep.minorVersion   = SERVER_DMX_MINOR_VERSION;
-    rep.patchVersion   = SERVER_DMX_PATCH_VERSION;
-    if (client->swapped) {
-    	swaps(&rep.sequenceNumber, n);
-        swapl(&rep.length, n);
-	swapl(&rep.majorVersion, n);
-	swapl(&rep.minorVersion, n);
-	swapl(&rep.patchVersion, n);
-    }
-    WriteToClient(client, sizeof(xDMXQueryVersionReply), (char *)&rep);
-    return client->noClientException;
-}
-
-static int ProcDMXSync(ClientPtr client)
-{
-    xDMXSyncReply rep;
-    int           n;
-
-    REQUEST_SIZE_MATCH(xDMXSyncReq);
-
-    dmxFlushPendingSyncs();
-
-    rep.type           = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.length         = 0;
-    rep.status         = 0;
-    if (client->swapped) {
-        swaps(&rep.sequenceNumber, n);
-        swapl(&rep.length, n);
-        swapl(&rep.status, n);
-    }
-    WriteToClient(client, sizeof(xDMXSyncReply), (char *)&rep);
-    return client->noClientException;
-}
-
-static int ProcDMXForceWindowCreation(ClientPtr client)
-{
-    xDMXForceWindowCreationReply rep;
-    REQUEST(xDMXForceWindowCreationReq);
-    WindowPtr     pWin;
-    int           n;
-
-    REQUEST_SIZE_MATCH(xDMXForceWindowCreationReq);
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-        PanoramiXRes *win;
-        int          i;
-
-        if (!(win = SecurityLookupIDByType(client, stuff->window, XRT_WINDOW,
-                                           DixReadAccess)))
-            return -1;           /* BadWindow */
-
-        FOR_NSCREENS(i) {
-            if (Success != dixLookupWindow(&pWin, win->info[i].id, client,
-					   DixReadAccess))
-                return -1;       /* BadWindow */
-
-            dmxForceWindowCreation(pWin);
-        }
-        goto doreply;
-    }
-#endif
-
-    if (Success != dixLookupWindow(&pWin, stuff->window, client,
-				   DixReadAccess))
-        return -1;               /* BadWindow */
-
-    dmxForceWindowCreation(pWin);
-  doreply:
-    dmxFlushPendingSyncs();
-    rep.type           = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.length         = 0;
-    rep.status         = 0;
-    if (client->swapped) {
-        swaps(&rep.sequenceNumber, n);
-        swapl(&rep.length, n);
-        swapl(&rep.status, n);
-    }
-    WriteToClient(client, sizeof(xDMXForceWindowCreationReply), (char *)&rep);
-    return Success;
-}
-
-static int ProcDMXGetScreenCount(ClientPtr client)
-{
-    xDMXGetScreenCountReply rep;
-    int                     n;
-
-    REQUEST_SIZE_MATCH(xDMXGetScreenCountReq);
-
-    rep.type           = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.length         = 0;
-    rep.screenCount    = dmxGetNumScreens();
-    if (client->swapped) {
-    	swaps(&rep.sequenceNumber, n);
-        swapl(&rep.length, n);
-        swapl(&rep.screenCount, n);
-    }
-    WriteToClient(client, sizeof(xDMXGetScreenCountReply), (char *)&rep);
-    return client->noClientException;
-}
-
-static int ProcDMXGetScreenAttributes(ClientPtr client)
-{
-    REQUEST(xDMXGetScreenAttributesReq);
-    xDMXGetScreenAttributesReply rep;
-    int                          n;
-    int                          length;
-    int                          paddedLength;
-    DMXScreenAttributesRec       attr;
-
-    REQUEST_SIZE_MATCH(xDMXGetScreenAttributesReq);
-
-    if (stuff->physicalScreen < 0
-        || stuff->physicalScreen >= dmxGetNumScreens()) return BadValue;
-
-    if (!dmxGetScreenAttributes(stuff->physicalScreen, &attr))
-        return BadValue;
-
-    rep.logicalScreen       = attr.logicalScreen;
-    rep.screenWindowWidth   = attr.screenWindowWidth;
-    rep.screenWindowHeight  = attr.screenWindowHeight;
-    rep.screenWindowXoffset = attr.screenWindowXoffset;
-    rep.screenWindowYoffset = attr.screenWindowYoffset;
-    rep.rootWindowWidth     = attr.rootWindowWidth;
-    rep.rootWindowHeight    = attr.rootWindowHeight;
-    rep.rootWindowXoffset   = attr.rootWindowXoffset;
-    rep.rootWindowYoffset   = attr.rootWindowYoffset;
-    rep.rootWindowXorigin   = attr.rootWindowXorigin;
-    rep.rootWindowYorigin   = attr.rootWindowYorigin;
-                                 
-    length                  = attr.displayName ? strlen(attr.displayName) : 0;
-    paddedLength            = pad_to_int32(length);
-    rep.type                = X_Reply;
-    rep.sequenceNumber      = client->sequence;
-    rep.length              = bytes_to_int32((sizeof(xDMXGetScreenAttributesReply) - sizeof(xGenericReply))
-                                             + paddedLength);
-    rep.displayNameLength   = length;
-
-    if (client->swapped) {
-    	swaps(&rep.sequenceNumber, n);
-        swapl(&rep.length, n);
-        swapl(&rep.displayNameLength, n);
-        swapl(&rep.logicalScreen, n);
-        swaps(&rep.screenWindowWidth, n);
-        swaps(&rep.screenWindowHeight, n);
-        swaps(&rep.screenWindowXoffset, n);
-        swaps(&rep.screenWindowYoffset, n);
-        swaps(&rep.rootWindowWidth, n);
-        swaps(&rep.rootWindowHeight, n);
-        swaps(&rep.rootWindowXoffset, n);
-        swaps(&rep.rootWindowYoffset, n);
-        swaps(&rep.rootWindowXorigin, n);
-        swaps(&rep.rootWindowYorigin, n);
-    }
-    WriteToClient(client, sizeof(xDMXGetScreenAttributesReply), (char *)&rep);
-    if (length) WriteToClient(client, length, (char *)attr.displayName);
-    return client->noClientException;
-}
-
-static int ProcDMXChangeScreensAttributes(ClientPtr client)
-{
-    REQUEST(xDMXChangeScreensAttributesReq);
-    xDMXChangeScreensAttributesReply rep;
-    int                              n;
-    int                              status = DMX_BAD_XINERAMA;
-    unsigned int                     mask   = 0;
-    unsigned int                     i;
-    CARD32                           *screen_list;
-    CARD32                           *mask_list;
-    CARD32                           *value_list;
-    DMXScreenAttributesPtr           attribs;
-    int                              errorScreen = 0;
-    unsigned int                     len;
-    int                              ones = 0;
-    
-
-    REQUEST_AT_LEAST_SIZE(xDMXChangeScreensAttributesReq);
-    len = client->req_len - bytes_to_int32(sizeof(xDMXChangeScreensAttributesReq));
-    if (len < stuff->screenCount + stuff->maskCount)
-        return BadLength;
-
-    screen_list = (CARD32 *)(stuff + 1);
-    mask_list   = &screen_list[stuff->screenCount];
-    value_list  = &mask_list[stuff->maskCount];
-
-    for (i = 0; i < stuff->maskCount; i++) ones += Ones(mask_list[i]);
-    if (len != stuff->screenCount + stuff->maskCount + ones)
-        return BadLength;
-    
-    if (!_DMXXineramaActive()) goto noxinerama;
-
-    if (!(attribs = xalloc(stuff->screenCount * sizeof(*attribs))))
-        return BadAlloc;
-
-    for (i = 0; i < stuff->screenCount; i++) {
-        int count;
-        
-        if (i < stuff->maskCount) mask = mask_list[i];
-        dmxGetScreenAttributes(screen_list[i], &attribs[i]);
-        count = dmxFetchScreenAttributes(mask, &attribs[i], value_list);
-        value_list += count;
-    }
-
-#if PANORAMIX
-    status = dmxConfigureScreenWindows(stuff->screenCount,
-				       screen_list,
-				       attribs,
-				       &errorScreen);
-#endif
-
-    xfree(attribs);
-
-    if (status == BadValue) return status;
-
-  noxinerama:
-    rep.type           = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.length         = 0;
-    rep.status         = status;
-    rep.errorScreen    = errorScreen;
-    if (client->swapped) {
-        swaps(&rep.sequenceNumber, n);
-        swapl(&rep.length, n);
-        swapl(&rep.status, n);
-        swapl(&rep.errorScreen, n);
-    }
-    WriteToClient(client,
-                  sizeof(xDMXChangeScreensAttributesReply),
-                  (char *)&rep);
-    return client->noClientException;
-}
-
-static int ProcDMXAddScreen(ClientPtr client)
-{
-    REQUEST(xDMXAddScreenReq);
-    xDMXAddScreenReply     rep;
-    int                    n;
-    int                    status = 0;
-    CARD32                 *value_list;
-    DMXScreenAttributesRec attr;
-    int                    count;
-    char                   *name;
-    int                    len;
-    int                    paddedLength;
-
-    REQUEST_AT_LEAST_SIZE(xDMXAddScreenReq);
-    paddedLength = pad_to_int32(stuff->displayNameLength);
-    len          = client->req_len - bytes_to_int32(sizeof(xDMXAddScreenReq));
-    if (len != Ones(stuff->valueMask) + paddedLength/4)
-        return BadLength;
-
-    memset(&attr, 0, sizeof(attr));
-    dmxGetScreenAttributes(stuff->physicalScreen, &attr);
-    value_list = (CARD32 *)(stuff + 1);
-    count      = dmxFetchScreenAttributes(stuff->valueMask, &attr, value_list);
-    
-    if (!(name = xalloc(stuff->displayNameLength + 1 + 4)))
-        return BadAlloc;
-    memcpy(name, &value_list[count], stuff->displayNameLength);
-    name[stuff->displayNameLength] = '\0';
-    attr.displayName = name;
-
-    status = dmxAttachScreen(stuff->physicalScreen, &attr);
-
-    xfree(name);
-
-    rep.type           = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.length         = 0;
-    rep.status         = status;
-    rep.physicalScreen = stuff->physicalScreen;
-    if (client->swapped) {
-        swaps(&rep.sequenceNumber, n);
-        swapl(&rep.length, n);
-        swapl(&rep.status, n);
-        swapl(&rep.physicalScreen, n);
-    }
-    WriteToClient(client,
-                  sizeof(xDMXAddScreenReply),
-                  (char *)&rep);
-    return client->noClientException;
-}
-
-static int ProcDMXRemoveScreen(ClientPtr client)
-{
-    REQUEST(xDMXRemoveScreenReq);
-    xDMXRemoveScreenReply rep;
-    int                   n;
-    int                   status = 0;
-
-    REQUEST_SIZE_MATCH(xDMXRemoveScreenReq);
-
-    status = dmxDetachScreen(stuff->physicalScreen);
-
-    rep.type           = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.length         = 0;
-    rep.status         = status;
-    if (client->swapped) {
-        swaps(&rep.sequenceNumber, n);
-        swapl(&rep.length, n);
-        swapl(&rep.status, n);
-    }
-    WriteToClient(client,
-                  sizeof(xDMXRemoveScreenReply),
-                  (char *)&rep);
-    return client->noClientException;
-}
-
-
-#ifdef PANORAMIX
-static int dmxPopulatePanoramiX(ClientPtr client, Window window,
-                                CARD32 *screens, CARD32 *windows,
-                                xRectangle *pos, xRectangle *vis)
-{
-    WindowPtr              pWin;
-    PanoramiXRes           *win;
-    int                    i;
-    int                    count = 0;
-    DMXWindowAttributesRec attr;
-    
-    if (!(win = SecurityLookupIDByType(client, window, XRT_WINDOW,
-                                       DixReadAccess)))
-        return -1;               /* BadWindow */
-    
-    FOR_NSCREENS(i) {
-        if (Success != dixLookupWindow(&pWin, win->info[i].id, client,
-				       DixReadAccess))
-            return -1;          /* BadWindow */
-        if (dmxGetWindowAttributes(pWin, &attr)) {
-            screens[count] = attr.screen;
-            windows[count] = attr.window;
-            pos[count]     = attr.pos;
-            vis[count]     = attr.vis;
-            ++count;            /* Only count existing windows */
-        }
-    }
-    return count;
-}
-#endif
-
-static int dmxPopulate(ClientPtr client, Window window, CARD32 *screens,
-                       CARD32 *windows, xRectangle *pos, xRectangle *vis)
-{
-    WindowPtr              pWin;
-    DMXWindowAttributesRec attr;
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension)
-        return dmxPopulatePanoramiX(client, window, screens, windows,
-                                    pos, vis);
-#endif
-    
-    if (Success != dixLookupWindow(&pWin, window, client, DixReadAccess))
-        return -1;               /* BadWindow */
-
-    dmxGetWindowAttributes(pWin, &attr);
-    *screens = attr.screen;
-    *windows = attr.window;
-    *pos     = attr.pos;
-    *vis     = attr.vis;
-    return 1;
-}
-
-static int dmxMaxNumScreens(void)
-{
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) return PanoramiXNumScreens;
-#endif
-    return 1;
-}
-
-static int ProcDMXGetWindowAttributes(ClientPtr client)
-{
-    REQUEST(xDMXGetWindowAttributesReq);
-    xDMXGetWindowAttributesReply rep;
-    int                          i, n;
-    CARD32                       *screens;
-    CARD32                       *windows;
-    xRectangle                   *pos, *vis;
-    int                          count = dmxMaxNumScreens();
-
-    REQUEST_SIZE_MATCH(xDMXGetWindowAttributesReq);
-
-    if (!(screens = xalloc(count * sizeof(*screens))))
-        return BadAlloc;
-    if (!(windows = xalloc(count * sizeof(*windows)))) {
-        xfree(screens);
-        return BadAlloc;
-    }
-    if (!(pos = xalloc(count * sizeof(*pos)))) {
-        xfree(windows);
-        xfree(screens);
-        return BadAlloc;
-    }
-    if (!(vis = xalloc(count * sizeof(*vis)))) {
-        xfree(pos);
-        xfree(windows);
-        xfree(screens);
-        return BadAlloc;
-    }
-
-    if ((count = dmxPopulate(client, stuff->window, screens, windows,
-                             pos, vis)) < 0) {
-        xfree(vis);
-        xfree(pos);
-        xfree(windows);
-        xfree(screens);
-        return BadWindow;
-    }
-
-    rep.type           = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.length         = count * 6;
-    rep.screenCount    = count;
-    if (client->swapped) {
-    	swaps(&rep.sequenceNumber, n);
-        swapl(&rep.length, n);
-        swapl(&rep.screenCount, n);
-        for (i = 0; i < count; i++) {
-            swapl(&screens[i], n);
-            swapl(&windows[i], n);
-            
-            swaps(&pos[i].x, n);
-            swaps(&pos[i].y, n);
-            swaps(&pos[i].width, n);
-            swaps(&pos[i].height, n);
-            
-            swaps(&vis[i].x, n);
-            swaps(&vis[i].y, n);
-            swaps(&vis[i].width, n);
-            swaps(&vis[i].height, n);
-        }
-    }
-
-    dmxFlushPendingSyncs();
-
-    WriteToClient(client, sizeof(xDMXGetWindowAttributesReply), (char *)&rep);
-    if (count) {
-        WriteToClient(client, count * sizeof(*screens), (char *)screens);
-        WriteToClient(client, count * sizeof(*windows), (char *)windows);
-        WriteToClient(client, count * sizeof(*pos),     (char *)pos);
-        WriteToClient(client, count * sizeof(*vis),     (char *)vis);
-    }
-
-    xfree(vis);
-    xfree(pos);
-    xfree(windows);
-    xfree(screens);
-
-    return client->noClientException;
-}
-
-static int ProcDMXGetDesktopAttributes(ClientPtr client)
-{
-    xDMXGetDesktopAttributesReply rep;
-    int                           n;
-    DMXDesktopAttributesRec       attr;
-
-    REQUEST_SIZE_MATCH(xDMXGetDesktopAttributesReq);
-
-    dmxGetDesktopAttributes(&attr);
-
-    rep.width               = attr.width;
-    rep.height              = attr.height;
-    rep.shiftX              = attr.shiftX;
-    rep.shiftY              = attr.shiftY;
-
-    rep.type                = X_Reply;
-    rep.sequenceNumber      = client->sequence;
-    rep.length              = 0;
-
-    if (client->swapped) {
-    	swaps(&rep.sequenceNumber, n);
-        swapl(&rep.length, n);
-        swapl(&rep.width, n);
-        swapl(&rep.height, n);
-        swapl(&rep.shiftX, n);
-        swapl(&rep.shiftY, n);
-    }
-    WriteToClient(client, sizeof(xDMXGetDesktopAttributesReply), (char *)&rep);
-    return client->noClientException;
-}
-
-static int ProcDMXChangeDesktopAttributes(ClientPtr client)
-{
-    REQUEST(xDMXChangeDesktopAttributesReq);
-    xDMXChangeDesktopAttributesReply rep;
-    int                              n;
-    int                              status = DMX_BAD_XINERAMA;
-    CARD32                           *value_list;
-    DMXDesktopAttributesRec          attr;
-    int                              len;
-
-    REQUEST_AT_LEAST_SIZE(xDMXChangeDesktopAttributesReq);
-    len = client->req_len - (sizeof(xDMXChangeDesktopAttributesReq) >> 2);
-    if (len != Ones(stuff->valueMask))
-        return BadLength;
-
-    if (!_DMXXineramaActive()) goto noxinerama;
-
-    value_list = (CARD32 *)(stuff + 1);
-    
-    dmxGetDesktopAttributes(&attr);
-    dmxFetchDesktopAttributes(stuff->valueMask, &attr, value_list);
-
-#if PANORAMIX
-    status = dmxConfigureDesktop(&attr);
-#endif
-    if (status == BadValue) return status;
-
-  noxinerama:
-    rep.type           = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.length         = 0;
-    rep.status         = status;
-    if (client->swapped) {
-        swaps(&rep.sequenceNumber, n);
-        swapl(&rep.length, n);
-        swapl(&rep.status, n);
-    }
-    WriteToClient(client,
-                  sizeof(xDMXChangeDesktopAttributesReply),
-                  (char *)&rep);
-    return client->noClientException;
-}
-
-static int ProcDMXGetInputCount(ClientPtr client)
-{
-    xDMXGetInputCountReply rep;
-    int                     n;
-
-    REQUEST_SIZE_MATCH(xDMXGetInputCountReq);
-
-    rep.type           = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.length         = 0;
-    rep.inputCount     = dmxGetInputCount();
-    if (client->swapped) {
-    	swaps(&rep.sequenceNumber, n);
-        swapl(&rep.length, n);
-        swapl(&rep.inputCount, n);
-    }
-    WriteToClient(client, sizeof(xDMXGetInputCountReply), (char *)&rep);
-    return client->noClientException;
-}
-
-static int ProcDMXGetInputAttributes(ClientPtr client)
-{
-    REQUEST(xDMXGetInputAttributesReq);
-    xDMXGetInputAttributesReply rep;
-    int                          n;
-    int                          length;
-    int                          paddedLength;
-    DMXInputAttributesRec        attr;
-
-    REQUEST_SIZE_MATCH(xDMXGetInputAttributesReq);
-
-    if (dmxGetInputAttributes(stuff->deviceId, &attr)) return BadValue;
-    rep.inputType      = attr.inputType;
-    rep.physicalScreen = attr.physicalScreen;
-    rep.physicalId     = attr.physicalId;
-    rep.isCore         = attr.isCore;
-    rep.sendsCore      = attr.sendsCore;
-    rep.detached       = attr.detached;
-    
-    length             = attr.name ? strlen(attr.name) : 0;
-    paddedLength       = pad_to_int32(length);
-    rep.type           = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.length         = bytes_to_int32(paddedLength);
-    rep.nameLength     = length;
-    if (client->swapped) {
-    	swaps(&rep.sequenceNumber, n);
-        swapl(&rep.length, n);
-        swapl(&rep.inputType, n);
-        swapl(&rep.physicalScreen, n);
-        swapl(&rep.physicalId, n);
-        swapl(&rep.nameLength, n);
-    }
-    WriteToClient(client, sizeof(xDMXGetInputAttributesReply), (char *)&rep);
-    if (length) WriteToClient(client, length, (char *)attr.name);
-    return client->noClientException;
-}
-
-static int ProcDMXAddInput(ClientPtr client)
-{
-    REQUEST(xDMXAddInputReq);
-    xDMXAddInputReply      rep;
-    int                    n;
-    int                    status = 0;
-    CARD32                 *value_list;
-    DMXInputAttributesRec  attr;
-    int                    count;
-    char                   *name;
-    int                    len;
-    int                    paddedLength;
-    int                    id     = -1;
-
-    REQUEST_AT_LEAST_SIZE(xDMXAddInputReq);
-    paddedLength = pad_to_int32(stuff->displayNameLength);
-    len          = client->req_len - (sizeof(xDMXAddInputReq) >> 2);
-    if (len != Ones(stuff->valueMask) + paddedLength/4)
-        return BadLength;
-
-    memset(&attr, 0, sizeof(attr));
-    value_list = (CARD32 *)(stuff + 1);
-    count      = dmxFetchInputAttributes(stuff->valueMask, &attr, value_list);
-    
-    if (!(name = xalloc(stuff->displayNameLength + 1 + 4)))
-        return BadAlloc;
-    memcpy(name, &value_list[count], stuff->displayNameLength);
-    name[stuff->displayNameLength] = '\0';
-    attr.name = name;
-
-    status = dmxAddInput(&attr, &id);
-
-    xfree(name);
-
-    if (status) return status;
-
-    rep.type           = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.length         = 0;
-    rep.status         = status;
-    rep.physicalId     = id;
-    if (client->swapped) {
-        swaps(&rep.sequenceNumber, n);
-        swapl(&rep.length, n);
-        swapl(&rep.status, n);
-        swapl(&rep.physicalId, n);
-    }
-    WriteToClient(client, sizeof(xDMXAddInputReply), (char *)&rep);
-    return client->noClientException;
-}
-
-static int ProcDMXRemoveInput(ClientPtr client)
-{
-    REQUEST(xDMXRemoveInputReq);
-    xDMXRemoveInputReply     rep;
-    int                      n;
-    int                      status = 0;
-
-    REQUEST_SIZE_MATCH(xDMXRemoveInputReq);
-
-    status = dmxRemoveInput(stuff->physicalId);
-
-    if (status) return status;
-
-    rep.type           = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.length         = 0;
-    rep.status         = status;
-    if (client->swapped) {
-        swaps(&rep.sequenceNumber, n);
-        swapl(&rep.length, n);
-        swapl(&rep.status, n);
-    }
-    WriteToClient(client, sizeof(xDMXRemoveInputReply), (char *)&rep);
-    return client->noClientException;
-}
-
-static int ProcDMXDispatch(ClientPtr client)
-{
-    REQUEST(xReq);
-
-    switch (stuff->data) {
-    case X_DMXQueryVersion:         return ProcDMXQueryVersion(client);
-    case X_DMXSync:                 return ProcDMXSync(client);
-    case X_DMXForceWindowCreation:  return ProcDMXForceWindowCreation(client);
-    case X_DMXGetScreenCount:       return ProcDMXGetScreenCount(client);
-    case X_DMXGetScreenAttributes:  return ProcDMXGetScreenAttributes(client);
-    case X_DMXChangeScreensAttributes:
-        return ProcDMXChangeScreensAttributes(client);
-    case X_DMXAddScreen:            return ProcDMXAddScreen(client);
-    case X_DMXRemoveScreen:         return ProcDMXRemoveScreen(client);
-    case X_DMXGetWindowAttributes:  return ProcDMXGetWindowAttributes(client);
-    case X_DMXGetDesktopAttributes: return ProcDMXGetDesktopAttributes(client);
-    case X_DMXChangeDesktopAttributes:
-        return ProcDMXChangeDesktopAttributes(client);
-    case X_DMXGetInputCount:        return ProcDMXGetInputCount(client);
-    case X_DMXGetInputAttributes:   return ProcDMXGetInputAttributes(client);
-    case X_DMXAddInput:             return ProcDMXAddInput(client);
-    case X_DMXRemoveInput:          return ProcDMXRemoveInput(client);
-        
-    case X_DMXGetScreenInformationDEPRECATED:
-    case X_DMXForceWindowCreationDEPRECATED:
-    case X_DMXReconfigureScreenDEPRECATED:
-        return BadImplementation;
-
-    default:                        return BadRequest;
-    }
-}
-
-static int SProcDMXQueryVersion(ClientPtr client)
-{
-    int n;
-    REQUEST(xDMXQueryVersionReq);
-
-    swaps(&stuff->length, n);
-    REQUEST_SIZE_MATCH(xDMXQueryVersionReq);
-    return ProcDMXQueryVersion(client);
-}
-
-static int SProcDMXSync(ClientPtr client)
-{
-    int n;
-    REQUEST(xDMXSyncReq);
-
-    swaps(&stuff->length, n);
-    REQUEST_SIZE_MATCH(xDMXSyncReq);
-    return ProcDMXSync(client);
-}
-
-static int SProcDMXForceWindowCreation(ClientPtr client)
-{
-    int n;
-    REQUEST(xDMXForceWindowCreationReq);
-
-    swaps(&stuff->length, n);
-    REQUEST_SIZE_MATCH(xDMXForceWindowCreationReq);
-    swaps(&stuff->window, n);
-    return ProcDMXForceWindowCreation(client);
-}
-
-static int SProcDMXGetScreenCount(ClientPtr client)
-{
-    int n;
-    REQUEST(xDMXGetScreenCountReq);
-
-    swaps(&stuff->length, n);
-    REQUEST_SIZE_MATCH(xDMXGetScreenCountReq);
-    return ProcDMXGetScreenCount(client);
-}
-
-static int SProcDMXGetScreenAttributes(ClientPtr client)
-{
-    int n;
-    REQUEST(xDMXGetScreenAttributesReq);
-
-    swaps(&stuff->length, n);
-    REQUEST_SIZE_MATCH(xDMXGetScreenAttributesReq);
-    swapl(&stuff->physicalScreen, n);
-    return ProcDMXGetScreenAttributes(client);
-}
-
-static int SProcDMXChangeScreensAttributes(ClientPtr client)
-{
-    int n;
-    REQUEST(xDMXChangeScreensAttributesReq);
-
-    swaps(&stuff->length, n);
-    REQUEST_AT_LEAST_SIZE(xDMXGetScreenAttributesReq);
-    swapl(&stuff->screenCount, n);
-    swapl(&stuff->maskCount, n);
-    SwapRestL(stuff);
-    return ProcDMXGetScreenAttributes(client);
-}
-
-static int SProcDMXAddScreen(ClientPtr client)
-{
-    int n;
-    int paddedLength;
-    REQUEST(xDMXAddScreenReq);
-
-    swaps(&stuff->length, n);
-    REQUEST_AT_LEAST_SIZE(xDMXAddScreenReq);
-    swapl(&stuff->displayNameLength, n);
-    swapl(&stuff->valueMask, n);
-    paddedLength = pad_to_int32(stuff->displayNameLength);
-    SwapLongs((CARD32 *)(stuff+1), LengthRestL(stuff) - paddedLength/4);
-    return ProcDMXAddScreen(client);
-}
-
-static int SProcDMXRemoveScreen(ClientPtr client)
-{
-    int n;
-    REQUEST(xDMXRemoveScreenReq);
-
-    swaps(&stuff->length, n);
-    REQUEST_SIZE_MATCH(xDMXRemoveScreenReq);
-    swapl(&stuff->physicalScreen, n);
-    return ProcDMXRemoveScreen(client);
-}
-
-static int SProcDMXGetWindowAttributes(ClientPtr client)
-{
-    int n;
-    REQUEST(xDMXGetWindowAttributesReq);
-
-    swaps(&stuff->length, n);
-    REQUEST_SIZE_MATCH(xDMXGetWindowAttributesReq);
-    swapl(&stuff->window, n);
-    return ProcDMXGetWindowAttributes(client);
-}
-
-static int SProcDMXGetDesktopAttributes(ClientPtr client)
-{
-    int n;
-    REQUEST(xDMXGetDesktopAttributesReq);
-
-    swaps(&stuff->length, n);
-    REQUEST_SIZE_MATCH(xDMXGetDesktopAttributesReq);
-    return ProcDMXGetDesktopAttributes(client);
-}
-
-static int SProcDMXChangeDesktopAttributes(ClientPtr client)
-{
-    int n;
-    REQUEST(xDMXChangeDesktopAttributesReq);
-
-    swaps(&stuff->length, n);
-    REQUEST_AT_LEAST_SIZE(xDMXChangeDesktopAttributesReq);
-    swapl(&stuff->valueMask, n);
-    SwapRestL(stuff);
-    return ProcDMXChangeDesktopAttributes(client);
-}
-
-static int SProcDMXGetInputCount(ClientPtr client)
-{
-    int n;
-    REQUEST(xDMXGetInputCountReq);
-
-    swaps(&stuff->length, n);
-    REQUEST_SIZE_MATCH(xDMXGetInputCountReq);
-    return ProcDMXGetInputCount(client);
-}
-
-static int SProcDMXGetInputAttributes(ClientPtr client)
-{
-    int n;
-    REQUEST(xDMXGetInputAttributesReq);
-
-    swaps(&stuff->length, n);
-    REQUEST_SIZE_MATCH(xDMXGetInputAttributesReq);
-    swapl(&stuff->deviceId, n);
-    return ProcDMXGetInputAttributes(client);
-}
-
-static int SProcDMXAddInput(ClientPtr client)
-{
-    int n;
-    int paddedLength;
-    REQUEST(xDMXAddInputReq);
-
-    swaps(&stuff->length, n);
-    REQUEST_AT_LEAST_SIZE(xDMXAddInputReq);
-    swapl(&stuff->displayNameLength, n);
-    swapl(&stuff->valueMask, n);
-    paddedLength = pad_to_int32(stuff->displayNameLength);
-    SwapLongs((CARD32 *)(stuff+1), LengthRestL(stuff) - paddedLength/4);
-    return ProcDMXAddInput(client);
-}
-
-static int SProcDMXRemoveInput(ClientPtr client)
-{
-    int n;
-    REQUEST(xDMXRemoveInputReq);
-
-    swaps(&stuff->length, n);
-    REQUEST_SIZE_MATCH(xDMXRemoveInputReq);
-    swapl(&stuff->physicalId, n);
-    return ProcDMXRemoveInput(client);
-}
-
-static int SProcDMXDispatch (ClientPtr client)
-{
-    REQUEST(xReq);
-
-    switch (stuff->data) {
-    case X_DMXQueryVersion:         return SProcDMXQueryVersion(client);
-    case X_DMXSync:                 return SProcDMXSync(client);
-    case X_DMXForceWindowCreation:  return SProcDMXForceWindowCreation(client);
-    case X_DMXGetScreenCount:       return SProcDMXGetScreenCount(client);
-    case X_DMXGetScreenAttributes:  return SProcDMXGetScreenAttributes(client);
-    case X_DMXChangeScreensAttributes:
-        return SProcDMXChangeScreensAttributes(client);
-    case X_DMXAddScreen:            return SProcDMXAddScreen(client);
-    case X_DMXRemoveScreen:         return SProcDMXRemoveScreen(client);
-    case X_DMXGetWindowAttributes:  return SProcDMXGetWindowAttributes(client);
-    case X_DMXGetDesktopAttributes:
-        return SProcDMXGetDesktopAttributes(client);
-    case X_DMXChangeDesktopAttributes:
-        return SProcDMXChangeDesktopAttributes(client);
-    case X_DMXGetInputCount:        return SProcDMXGetInputCount(client);
-    case X_DMXGetInputAttributes:   return SProcDMXGetInputAttributes(client);
-    case X_DMXAddInput:             return SProcDMXAddInput(client);
-    case X_DMXRemoveInput:          return SProcDMXRemoveInput(client);
-        
-    case X_DMXGetScreenInformationDEPRECATED:
-    case X_DMXForceWindowCreationDEPRECATED:
-    case X_DMXReconfigureScreenDEPRECATED:
-        return BadImplementation;
-
-    default:                        return BadRequest;
-    }
-}
+/*

+ * Copyright 2002-2004 Red Hat Inc., Durham, North Carolina.

+ *

+ * All Rights Reserved.

+ *

+ * 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 on the rights to use, copy, modify, merge,

+ * publish, distribute, sublicense, and/or sell copies of the Software,

+ * and to permit persons to whom the Software is furnished to do so,

+ * subject to the following conditions:

+ *

+ * The above copyright notice and this permission notice (including the

+ * next paragraph) 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

+ * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS

+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

+ * SOFTWARE.

+ */

+

+/*

+ * Authors:

+ *   Rickard E. (Rik) Faith <faith@redhat.com>

+ *

+ */

+

+/** \file

+ * This file implements the server-side part of the DMX protocol. A

+ * vector of fucntions is provided at extension initialization time, so

+ * most all of the useful functions in this file are declared static and

+ * do not appear in the doxygen documentation.

+ *

+ * Much of the low-level work is done by functions in \a dmxextension.c

+ *

+ * Please see the Client-to-Server DMX Extension to the X Protocol

+ * document for details about the protocol.  */

+

+#ifdef HAVE_DMX_CONFIG_H

+#include <dmx-config.h>

+#endif

+

+#include <X11/X.h>

+#include <X11/Xproto.h>

+#include "misc.h"

+#include "os.h"

+#include "dixstruct.h"

+#include "extnsionst.h"

+#include "opaque.h"

+

+#include "dmxextension.h"

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

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

+#include "protocol-versions.h"

+

+#ifdef PANORAMIX

+#include "panoramiX.h"

+extern unsigned long XRT_WINDOW;

+extern int           PanoramiXNumScreens;

+#endif

+

+extern void DMXExtensionInit(void);

+

+static unsigned char DMXCode;

+

+static DISPATCH_PROC(ProcDMXDispatch);

+static DISPATCH_PROC(ProcDMXQueryVersion);

+static DISPATCH_PROC(ProcDMXSync);

+static DISPATCH_PROC(ProcDMXForceWindowCreation);

+static DISPATCH_PROC(ProcDMXGetScreenCount);

+static DISPATCH_PROC(ProcDMXGetScreenAttributes);

+static DISPATCH_PROC(ProcDMXChangeScreensAttributes);

+static DISPATCH_PROC(ProcDMXAddScreen);

+static DISPATCH_PROC(ProcDMXRemoveScreen);

+static DISPATCH_PROC(ProcDMXGetWindowAttributes);

+static DISPATCH_PROC(ProcDMXGetDesktopAttributes);

+static DISPATCH_PROC(ProcDMXChangeDesktopAttributes);

+static DISPATCH_PROC(ProcDMXGetInputCount);

+static DISPATCH_PROC(ProcDMXGetInputAttributes);

+static DISPATCH_PROC(ProcDMXAddInput);

+static DISPATCH_PROC(ProcDMXRemoveInput);

+

+static DISPATCH_PROC(SProcDMXDispatch);

+static DISPATCH_PROC(SProcDMXQueryVersion);

+static DISPATCH_PROC(SProcDMXSync);

+static DISPATCH_PROC(SProcDMXForceWindowCreation);

+static DISPATCH_PROC(SProcDMXGetScreenCount);

+static DISPATCH_PROC(SProcDMXGetScreenAttributes);

+static DISPATCH_PROC(SProcDMXChangeScreensAttributes);

+static DISPATCH_PROC(SProcDMXAddScreen);

+static DISPATCH_PROC(SProcDMXRemoveScreen);

+static DISPATCH_PROC(SProcDMXGetWindowAttributes);

+static DISPATCH_PROC(SProcDMXGetDesktopAttributes);

+static DISPATCH_PROC(SProcDMXChangeDesktopAttributes);

+static DISPATCH_PROC(SProcDMXGetInputCount);

+static DISPATCH_PROC(SProcDMXGetInputAttributes);

+static DISPATCH_PROC(SProcDMXAddInput);

+static DISPATCH_PROC(SProcDMXRemoveInput);

+

+static int _DMXXineramaActive(void)

+{

+#ifdef PANORAMIX

+    return !noPanoramiXExtension;

+#endif

+    return 0;

+}

+

+/** Initialize the extension. */

+void DMXExtensionInit(void)

+{

+    ExtensionEntry *extEntry;

+    

+    if ((extEntry = AddExtension(DMX_EXTENSION_NAME, 0, 0,

+                                 ProcDMXDispatch, SProcDMXDispatch,

+                                 NULL, StandardMinorOpcode)))

+	DMXCode = extEntry->base;

+}

+

+static void dmxSetScreenAttribute(int bit, DMXScreenAttributesPtr attr,

+                                  CARD32 value)

+{

+    switch (1 << bit) {

+    case DMXScreenWindowWidth:   attr->screenWindowWidth   = value; break;

+    case DMXScreenWindowHeight:  attr->screenWindowHeight  = value; break;

+    case DMXScreenWindowXoffset: attr->screenWindowXoffset = value; break;

+    case DMXScreenWindowYoffset: attr->screenWindowYoffset = value; break;

+    case DMXRootWindowWidth:     attr->rootWindowWidth     = value; break;

+    case DMXRootWindowHeight:    attr->rootWindowHeight    = value; break;

+    case DMXRootWindowXoffset:   attr->rootWindowXoffset   = value; break;

+    case DMXRootWindowYoffset:   attr->rootWindowYoffset   = value; break;

+    case DMXRootWindowXorigin:   attr->rootWindowXorigin   = value; break;

+    case DMXRootWindowYorigin:   attr->rootWindowYorigin   = value; break;

+    }

+}

+

+static int dmxFetchScreenAttributes(unsigned int mask,

+                                    DMXScreenAttributesPtr attr,

+                                    CARD32 *value_list)

+{

+    int    i;

+    CARD32 *value = value_list;

+    int    count  = 0;

+        

+    for (i = 0; i < 32; i++) {

+        if (mask & (1 << i)) {

+            dmxSetScreenAttribute(i, attr, *value);

+            ++value;

+            ++count;

+        }

+    }

+    return count;

+}

+

+static void dmxSetDesktopAttribute(int bit, DMXDesktopAttributesPtr attr,

+                                   CARD32 value)

+{

+    switch (1 << bit) {

+    case DMXDesktopWidth:  attr->width  = value; break;

+    case DMXDesktopHeight: attr->height = value; break;

+    case DMXDesktopShiftX: attr->shiftX = value; break;

+    case DMXDesktopShiftY: attr->shiftY = value; break;

+    }

+}

+

+static int dmxFetchDesktopAttributes(unsigned int mask,

+                                     DMXDesktopAttributesPtr attr,

+                                     CARD32 *value_list)

+{

+    int    i;

+    CARD32 *value = value_list;

+    int    count  = 0;

+        

+    for (i = 0; i < 32; i++) {

+        if (mask & (1 << i)) {

+            dmxSetDesktopAttribute(i, attr, *value);

+	    ++value;

+            ++count;

+        }

+    }

+    return count;

+}

+

+static void dmxSetInputAttribute(int bit, DMXInputAttributesPtr attr,

+                                 CARD32 value)

+{

+    switch (1 << bit) {

+    case DMXInputType:           attr->inputType      = value;   break;

+    case DMXInputPhysicalScreen: attr->physicalScreen = value;   break;

+    case DMXInputSendsCore:      attr->sendsCore      = !!value; break;

+    }

+}

+

+static int dmxFetchInputAttributes(unsigned int mask,

+                                   DMXInputAttributesPtr attr,

+                                   CARD32 *value_list)

+{

+    int    i;

+    CARD32 *value = value_list;

+    int    count  = 0;

+

+    for (i = 0; i < 32; i++) {

+        if (mask & (1 << i)) {

+            dmxSetInputAttribute(i, attr, *value);

+            ++value;

+            ++count;

+        }

+    }

+    return count;

+}

+

+static int ProcDMXQueryVersion(ClientPtr client)

+{

+    xDMXQueryVersionReply rep;

+    int                   n;

+

+    REQUEST_SIZE_MATCH(xDMXQueryVersionReq);

+

+    rep.type           = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.length         = 0;

+    rep.majorVersion   = SERVER_DMX_MAJOR_VERSION;

+    rep.minorVersion   = SERVER_DMX_MINOR_VERSION;

+    rep.patchVersion   = SERVER_DMX_PATCH_VERSION;

+    if (client->swapped) {

+    	swaps(&rep.sequenceNumber, n);

+        swapl(&rep.length, n);

+	swapl(&rep.majorVersion, n);

+	swapl(&rep.minorVersion, n);

+	swapl(&rep.patchVersion, n);

+    }

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

+    return Success;

+}

+

+static int ProcDMXSync(ClientPtr client)

+{

+    xDMXSyncReply rep;

+    int           n;

+

+    REQUEST_SIZE_MATCH(xDMXSyncReq);

+

+    dmxFlushPendingSyncs();

+

+    rep.type           = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.length         = 0;

+    rep.status         = 0;

+    if (client->swapped) {

+        swaps(&rep.sequenceNumber, n);

+        swapl(&rep.length, n);

+        swapl(&rep.status, n);

+    }

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

+    return Success;

+}

+

+static int ProcDMXForceWindowCreation(ClientPtr client)

+{

+    xDMXForceWindowCreationReply rep;

+    REQUEST(xDMXForceWindowCreationReq);

+    WindowPtr     pWin;

+    int           n;

+

+    REQUEST_SIZE_MATCH(xDMXForceWindowCreationReq);

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+        PanoramiXRes *win;

+        int          i;

+

+        if (!(win = SecurityLookupIDByType(client, stuff->window, XRT_WINDOW,

+                                           DixReadAccess)))

+            return -1;           /* BadWindow */

+

+        FOR_NSCREENS(i) {

+            if (Success != dixLookupWindow(&pWin, win->info[i].id, client,

+					   DixReadAccess))

+                return -1;       /* BadWindow */

+

+            dmxForceWindowCreation(pWin);

+        }

+        goto doreply;

+    }

+#endif

+

+    if (Success != dixLookupWindow(&pWin, stuff->window, client,

+				   DixReadAccess))

+        return -1;               /* BadWindow */

+

+    dmxForceWindowCreation(pWin);

+  doreply:

+    dmxFlushPendingSyncs();

+    rep.type           = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.length         = 0;

+    rep.status         = 0;

+    if (client->swapped) {

+        swaps(&rep.sequenceNumber, n);

+        swapl(&rep.length, n);

+        swapl(&rep.status, n);

+    }

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

+    return Success;

+}

+

+static int ProcDMXGetScreenCount(ClientPtr client)

+{

+    xDMXGetScreenCountReply rep;

+    int                     n;

+

+    REQUEST_SIZE_MATCH(xDMXGetScreenCountReq);

+

+    rep.type           = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.length         = 0;

+    rep.screenCount    = dmxGetNumScreens();

+    if (client->swapped) {

+    	swaps(&rep.sequenceNumber, n);

+        swapl(&rep.length, n);

+        swapl(&rep.screenCount, n);

+    }

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

+    return Success;

+}

+

+static int ProcDMXGetScreenAttributes(ClientPtr client)

+{

+    REQUEST(xDMXGetScreenAttributesReq);

+    xDMXGetScreenAttributesReply rep;

+    int                          n;

+    int                          length;

+    int                          paddedLength;

+    DMXScreenAttributesRec       attr;

+

+    REQUEST_SIZE_MATCH(xDMXGetScreenAttributesReq);

+

+    if (stuff->physicalScreen < 0

+        || stuff->physicalScreen >= dmxGetNumScreens()) return BadValue;

+

+    if (!dmxGetScreenAttributes(stuff->physicalScreen, &attr))

+        return BadValue;

+

+    rep.logicalScreen       = attr.logicalScreen;

+    rep.screenWindowWidth   = attr.screenWindowWidth;

+    rep.screenWindowHeight  = attr.screenWindowHeight;

+    rep.screenWindowXoffset = attr.screenWindowXoffset;

+    rep.screenWindowYoffset = attr.screenWindowYoffset;

+    rep.rootWindowWidth     = attr.rootWindowWidth;

+    rep.rootWindowHeight    = attr.rootWindowHeight;

+    rep.rootWindowXoffset   = attr.rootWindowXoffset;

+    rep.rootWindowYoffset   = attr.rootWindowYoffset;

+    rep.rootWindowXorigin   = attr.rootWindowXorigin;

+    rep.rootWindowYorigin   = attr.rootWindowYorigin;

+                                 

+    length                  = attr.displayName ? strlen(attr.displayName) : 0;

+    paddedLength            = pad_to_int32(length);

+    rep.type                = X_Reply;

+    rep.sequenceNumber      = client->sequence;

+    rep.length              = bytes_to_int32((sizeof(xDMXGetScreenAttributesReply) - sizeof(xGenericReply))

+                                             + paddedLength);

+    rep.displayNameLength   = length;

+

+    if (client->swapped) {

+    	swaps(&rep.sequenceNumber, n);

+        swapl(&rep.length, n);

+        swapl(&rep.displayNameLength, n);

+        swapl(&rep.logicalScreen, n);

+        swaps(&rep.screenWindowWidth, n);

+        swaps(&rep.screenWindowHeight, n);

+        swaps(&rep.screenWindowXoffset, n);

+        swaps(&rep.screenWindowYoffset, n);

+        swaps(&rep.rootWindowWidth, n);

+        swaps(&rep.rootWindowHeight, n);

+        swaps(&rep.rootWindowXoffset, n);

+        swaps(&rep.rootWindowYoffset, n);

+        swaps(&rep.rootWindowXorigin, n);

+        swaps(&rep.rootWindowYorigin, n);

+    }

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

+    if (length) WriteToClient(client, length, (char *)attr.displayName);

+    return Success;

+}

+

+static int ProcDMXChangeScreensAttributes(ClientPtr client)

+{

+    REQUEST(xDMXChangeScreensAttributesReq);

+    xDMXChangeScreensAttributesReply rep;

+    int                              n;

+    int                              status = DMX_BAD_XINERAMA;

+    unsigned int                     mask   = 0;

+    unsigned int                     i;

+    CARD32                           *screen_list;

+    CARD32                           *mask_list;

+    CARD32                           *value_list;

+    DMXScreenAttributesPtr           attribs;

+    int                              errorScreen = 0;

+    unsigned int                     len;

+    int                              ones = 0;

+    

+

+    REQUEST_AT_LEAST_SIZE(xDMXChangeScreensAttributesReq);

+    len = client->req_len - bytes_to_int32(sizeof(xDMXChangeScreensAttributesReq));

+    if (len < stuff->screenCount + stuff->maskCount)

+        return BadLength;

+

+    screen_list = (CARD32 *)(stuff + 1);

+    mask_list   = &screen_list[stuff->screenCount];

+    value_list  = &mask_list[stuff->maskCount];

+

+    for (i = 0; i < stuff->maskCount; i++) ones += Ones(mask_list[i]);

+    if (len != stuff->screenCount + stuff->maskCount + ones)

+        return BadLength;

+    

+    if (!_DMXXineramaActive()) goto noxinerama;

+

+    if (!(attribs = malloc(stuff->screenCount * sizeof(*attribs))))

+        return BadAlloc;

+

+    for (i = 0; i < stuff->screenCount; i++) {

+        int count;

+        

+        if (i < stuff->maskCount) mask = mask_list[i];

+        dmxGetScreenAttributes(screen_list[i], &attribs[i]);

+        count = dmxFetchScreenAttributes(mask, &attribs[i], value_list);

+        value_list += count;

+    }

+

+#if PANORAMIX

+    status = dmxConfigureScreenWindows(stuff->screenCount,

+				       screen_list,

+				       attribs,

+				       &errorScreen);

+#endif

+

+    free(attribs);

+

+    if (status == BadValue) return status;

+

+  noxinerama:

+    rep.type           = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.length         = 0;

+    rep.status         = status;

+    rep.errorScreen    = errorScreen;

+    if (client->swapped) {

+        swaps(&rep.sequenceNumber, n);

+        swapl(&rep.length, n);

+        swapl(&rep.status, n);

+        swapl(&rep.errorScreen, n);

+    }

+    WriteToClient(client,

+                  sizeof(xDMXChangeScreensAttributesReply),

+                  (char *)&rep);

+    return Success;

+}

+

+static int ProcDMXAddScreen(ClientPtr client)

+{

+    REQUEST(xDMXAddScreenReq);

+    xDMXAddScreenReply     rep;

+    int                    n;

+    int                    status = 0;

+    CARD32                 *value_list;

+    DMXScreenAttributesRec attr;

+    int                    count;

+    char                   *name;

+    int                    len;

+    int                    paddedLength;

+

+    REQUEST_AT_LEAST_SIZE(xDMXAddScreenReq);

+    paddedLength = pad_to_int32(stuff->displayNameLength);

+    len          = client->req_len - bytes_to_int32(sizeof(xDMXAddScreenReq));

+    if (len != Ones(stuff->valueMask) + paddedLength/4)

+        return BadLength;

+

+    memset(&attr, 0, sizeof(attr));

+    dmxGetScreenAttributes(stuff->physicalScreen, &attr);

+    value_list = (CARD32 *)(stuff + 1);

+    count      = dmxFetchScreenAttributes(stuff->valueMask, &attr, value_list);

+    

+    if (!(name = malloc(stuff->displayNameLength + 1 + 4)))

+        return BadAlloc;

+    memcpy(name, &value_list[count], stuff->displayNameLength);

+    name[stuff->displayNameLength] = '\0';

+    attr.displayName = name;

+

+    status = dmxAttachScreen(stuff->physicalScreen, &attr);

+

+    free(name);

+

+    rep.type           = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.length         = 0;

+    rep.status         = status;

+    rep.physicalScreen = stuff->physicalScreen;

+    if (client->swapped) {

+        swaps(&rep.sequenceNumber, n);

+        swapl(&rep.length, n);

+        swapl(&rep.status, n);

+        swapl(&rep.physicalScreen, n);

+    }

+    WriteToClient(client,

+                  sizeof(xDMXAddScreenReply),

+                  (char *)&rep);

+    return Success;

+}

+

+static int ProcDMXRemoveScreen(ClientPtr client)

+{

+    REQUEST(xDMXRemoveScreenReq);

+    xDMXRemoveScreenReply rep;

+    int                   n;

+    int                   status = 0;

+

+    REQUEST_SIZE_MATCH(xDMXRemoveScreenReq);

+

+    status = dmxDetachScreen(stuff->physicalScreen);

+

+    rep.type           = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.length         = 0;

+    rep.status         = status;

+    if (client->swapped) {

+        swaps(&rep.sequenceNumber, n);

+        swapl(&rep.length, n);

+        swapl(&rep.status, n);

+    }

+    WriteToClient(client,

+                  sizeof(xDMXRemoveScreenReply),

+                  (char *)&rep);

+    return Success;

+}

+

+

+#ifdef PANORAMIX

+static int dmxPopulatePanoramiX(ClientPtr client, Window window,

+                                CARD32 *screens, CARD32 *windows,

+                                xRectangle *pos, xRectangle *vis)

+{

+    WindowPtr              pWin;

+    PanoramiXRes           *win;

+    int                    i;

+    int                    count = 0;

+    DMXWindowAttributesRec attr;

+    

+    if (!(win = SecurityLookupIDByType(client, window, XRT_WINDOW,

+                                       DixReadAccess)))

+        return -1;               /* BadWindow */

+    

+    FOR_NSCREENS(i) {

+        if (Success != dixLookupWindow(&pWin, win->info[i].id, client,

+				       DixReadAccess))

+            return -1;          /* BadWindow */

+        if (dmxGetWindowAttributes(pWin, &attr)) {

+            screens[count] = attr.screen;

+            windows[count] = attr.window;

+            pos[count]     = attr.pos;

+            vis[count]     = attr.vis;

+            ++count;            /* Only count existing windows */

+        }

+    }

+    return count;

+}

+#endif

+

+static int dmxPopulate(ClientPtr client, Window window, CARD32 *screens,

+                       CARD32 *windows, xRectangle *pos, xRectangle *vis)

+{

+    WindowPtr              pWin;

+    DMXWindowAttributesRec attr;

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension)

+        return dmxPopulatePanoramiX(client, window, screens, windows,

+                                    pos, vis);

+#endif

+    

+    if (Success != dixLookupWindow(&pWin, window, client, DixReadAccess))

+        return -1;               /* BadWindow */

+

+    dmxGetWindowAttributes(pWin, &attr);

+    *screens = attr.screen;

+    *windows = attr.window;

+    *pos     = attr.pos;

+    *vis     = attr.vis;

+    return 1;

+}

+

+static int dmxMaxNumScreens(void)

+{

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) return PanoramiXNumScreens;

+#endif

+    return 1;

+}

+

+static int ProcDMXGetWindowAttributes(ClientPtr client)

+{

+    REQUEST(xDMXGetWindowAttributesReq);

+    xDMXGetWindowAttributesReply rep;

+    int                          i, n;

+    CARD32                       *screens;

+    CARD32                       *windows;

+    xRectangle                   *pos, *vis;

+    int                          count = dmxMaxNumScreens();

+

+    REQUEST_SIZE_MATCH(xDMXGetWindowAttributesReq);

+

+    if (!(screens = malloc(count * sizeof(*screens))))

+        return BadAlloc;

+    if (!(windows = malloc(count * sizeof(*windows)))) {

+        free(screens);

+        return BadAlloc;

+    }

+    if (!(pos = malloc(count * sizeof(*pos)))) {

+        free(windows);

+        free(screens);

+        return BadAlloc;

+    }

+    if (!(vis = malloc(count * sizeof(*vis)))) {

+        free(pos);

+        free(windows);

+        free(screens);

+        return BadAlloc;

+    }

+

+    if ((count = dmxPopulate(client, stuff->window, screens, windows,

+                             pos, vis)) < 0) {

+        free(vis);

+        free(pos);

+        free(windows);

+        free(screens);

+        return BadWindow;

+    }

+

+    rep.type           = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.length         = count * 6;

+    rep.screenCount    = count;

+    if (client->swapped) {

+    	swaps(&rep.sequenceNumber, n);

+        swapl(&rep.length, n);

+        swapl(&rep.screenCount, n);

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

+            swapl(&screens[i], n);

+            swapl(&windows[i], n);

+            

+            swaps(&pos[i].x, n);

+            swaps(&pos[i].y, n);

+            swaps(&pos[i].width, n);

+            swaps(&pos[i].height, n);

+            

+            swaps(&vis[i].x, n);

+            swaps(&vis[i].y, n);

+            swaps(&vis[i].width, n);

+            swaps(&vis[i].height, n);

+        }

+    }

+

+    dmxFlushPendingSyncs();

+

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

+    if (count) {

+        WriteToClient(client, count * sizeof(*screens), (char *)screens);

+        WriteToClient(client, count * sizeof(*windows), (char *)windows);

+        WriteToClient(client, count * sizeof(*pos),     (char *)pos);

+        WriteToClient(client, count * sizeof(*vis),     (char *)vis);

+    }

+

+    free(vis);

+    free(pos);

+    free(windows);

+    free(screens);

+

+    return Success;

+}

+

+static int ProcDMXGetDesktopAttributes(ClientPtr client)

+{

+    xDMXGetDesktopAttributesReply rep;

+    int                           n;

+    DMXDesktopAttributesRec       attr;

+

+    REQUEST_SIZE_MATCH(xDMXGetDesktopAttributesReq);

+

+    dmxGetDesktopAttributes(&attr);

+

+    rep.width               = attr.width;

+    rep.height              = attr.height;

+    rep.shiftX              = attr.shiftX;

+    rep.shiftY              = attr.shiftY;

+

+    rep.type                = X_Reply;

+    rep.sequenceNumber      = client->sequence;

+    rep.length              = 0;

+

+    if (client->swapped) {

+    	swaps(&rep.sequenceNumber, n);

+        swapl(&rep.length, n);

+        swapl(&rep.width, n);

+        swapl(&rep.height, n);

+        swapl(&rep.shiftX, n);

+        swapl(&rep.shiftY, n);

+    }

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

+    return Success;

+}

+

+static int ProcDMXChangeDesktopAttributes(ClientPtr client)

+{

+    REQUEST(xDMXChangeDesktopAttributesReq);

+    xDMXChangeDesktopAttributesReply rep;

+    int                              n;

+    int                              status = DMX_BAD_XINERAMA;

+    CARD32                           *value_list;

+    DMXDesktopAttributesRec          attr;

+    int                              len;

+

+    REQUEST_AT_LEAST_SIZE(xDMXChangeDesktopAttributesReq);

+    len = client->req_len - (sizeof(xDMXChangeDesktopAttributesReq) >> 2);

+    if (len != Ones(stuff->valueMask))

+        return BadLength;

+

+    if (!_DMXXineramaActive()) goto noxinerama;

+

+    value_list = (CARD32 *)(stuff + 1);

+    

+    dmxGetDesktopAttributes(&attr);

+    dmxFetchDesktopAttributes(stuff->valueMask, &attr, value_list);

+

+#if PANORAMIX

+    status = dmxConfigureDesktop(&attr);

+#endif

+    if (status == BadValue) return status;

+

+  noxinerama:

+    rep.type           = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.length         = 0;

+    rep.status         = status;

+    if (client->swapped) {

+        swaps(&rep.sequenceNumber, n);

+        swapl(&rep.length, n);

+        swapl(&rep.status, n);

+    }

+    WriteToClient(client,

+                  sizeof(xDMXChangeDesktopAttributesReply),

+                  (char *)&rep);

+    return Success;

+}

+

+static int ProcDMXGetInputCount(ClientPtr client)

+{

+    xDMXGetInputCountReply rep;

+    int                     n;

+

+    REQUEST_SIZE_MATCH(xDMXGetInputCountReq);

+

+    rep.type           = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.length         = 0;

+    rep.inputCount     = dmxGetInputCount();

+    if (client->swapped) {

+    	swaps(&rep.sequenceNumber, n);

+        swapl(&rep.length, n);

+        swapl(&rep.inputCount, n);

+    }

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

+    return Success;

+}

+

+static int ProcDMXGetInputAttributes(ClientPtr client)

+{

+    REQUEST(xDMXGetInputAttributesReq);

+    xDMXGetInputAttributesReply rep;

+    int                          n;

+    int                          length;

+    int                          paddedLength;

+    DMXInputAttributesRec        attr;

+

+    REQUEST_SIZE_MATCH(xDMXGetInputAttributesReq);

+

+    if (dmxGetInputAttributes(stuff->deviceId, &attr)) return BadValue;

+    rep.inputType      = attr.inputType;

+    rep.physicalScreen = attr.physicalScreen;

+    rep.physicalId     = attr.physicalId;

+    rep.isCore         = attr.isCore;

+    rep.sendsCore      = attr.sendsCore;

+    rep.detached       = attr.detached;

+    

+    length             = attr.name ? strlen(attr.name) : 0;

+    paddedLength       = pad_to_int32(length);

+    rep.type           = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.length         = bytes_to_int32(paddedLength);

+    rep.nameLength     = length;

+    if (client->swapped) {

+    	swaps(&rep.sequenceNumber, n);

+        swapl(&rep.length, n);

+        swapl(&rep.inputType, n);

+        swapl(&rep.physicalScreen, n);

+        swapl(&rep.physicalId, n);

+        swapl(&rep.nameLength, n);

+    }

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

+    if (length) WriteToClient(client, length, (char *)attr.name);

+    return Success;

+}

+

+static int ProcDMXAddInput(ClientPtr client)

+{

+    REQUEST(xDMXAddInputReq);

+    xDMXAddInputReply      rep;

+    int                    n;

+    int                    status = 0;

+    CARD32                 *value_list;

+    DMXInputAttributesRec  attr;

+    int                    count;

+    char                   *name;

+    int                    len;

+    int                    paddedLength;

+    int                    id     = -1;

+

+    REQUEST_AT_LEAST_SIZE(xDMXAddInputReq);

+    paddedLength = pad_to_int32(stuff->displayNameLength);

+    len          = client->req_len - (sizeof(xDMXAddInputReq) >> 2);

+    if (len != Ones(stuff->valueMask) + paddedLength/4)

+        return BadLength;

+

+    memset(&attr, 0, sizeof(attr));

+    value_list = (CARD32 *)(stuff + 1);

+    count      = dmxFetchInputAttributes(stuff->valueMask, &attr, value_list);

+    

+    if (!(name = malloc(stuff->displayNameLength + 1 + 4)))

+        return BadAlloc;

+    memcpy(name, &value_list[count], stuff->displayNameLength);

+    name[stuff->displayNameLength] = '\0';

+    attr.name = name;

+

+    status = dmxAddInput(&attr, &id);

+

+    free(name);

+

+    if (status) return status;

+

+    rep.type           = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.length         = 0;

+    rep.status         = status;

+    rep.physicalId     = id;

+    if (client->swapped) {

+        swaps(&rep.sequenceNumber, n);

+        swapl(&rep.length, n);

+        swapl(&rep.status, n);

+        swapl(&rep.physicalId, n);

+    }

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

+    return Success;

+}

+

+static int ProcDMXRemoveInput(ClientPtr client)

+{

+    REQUEST(xDMXRemoveInputReq);

+    xDMXRemoveInputReply     rep;

+    int                      n;

+    int                      status = 0;

+

+    REQUEST_SIZE_MATCH(xDMXRemoveInputReq);

+

+    status = dmxRemoveInput(stuff->physicalId);

+

+    if (status) return status;

+

+    rep.type           = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.length         = 0;

+    rep.status         = status;

+    if (client->swapped) {

+        swaps(&rep.sequenceNumber, n);

+        swapl(&rep.length, n);

+        swapl(&rep.status, n);

+    }

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

+    return Success;

+}

+

+static int ProcDMXDispatch(ClientPtr client)

+{

+    REQUEST(xReq);

+

+    switch (stuff->data) {

+    case X_DMXQueryVersion:         return ProcDMXQueryVersion(client);

+    case X_DMXSync:                 return ProcDMXSync(client);

+    case X_DMXForceWindowCreation:  return ProcDMXForceWindowCreation(client);

+    case X_DMXGetScreenCount:       return ProcDMXGetScreenCount(client);

+    case X_DMXGetScreenAttributes:  return ProcDMXGetScreenAttributes(client);

+    case X_DMXChangeScreensAttributes:

+        return ProcDMXChangeScreensAttributes(client);

+    case X_DMXAddScreen:            return ProcDMXAddScreen(client);

+    case X_DMXRemoveScreen:         return ProcDMXRemoveScreen(client);

+    case X_DMXGetWindowAttributes:  return ProcDMXGetWindowAttributes(client);

+    case X_DMXGetDesktopAttributes: return ProcDMXGetDesktopAttributes(client);

+    case X_DMXChangeDesktopAttributes:

+        return ProcDMXChangeDesktopAttributes(client);

+    case X_DMXGetInputCount:        return ProcDMXGetInputCount(client);

+    case X_DMXGetInputAttributes:   return ProcDMXGetInputAttributes(client);

+    case X_DMXAddInput:             return ProcDMXAddInput(client);

+    case X_DMXRemoveInput:          return ProcDMXRemoveInput(client);

+        

+    case X_DMXGetScreenInformationDEPRECATED:

+    case X_DMXForceWindowCreationDEPRECATED:

+    case X_DMXReconfigureScreenDEPRECATED:

+        return BadImplementation;

+

+    default:                        return BadRequest;

+    }

+}

+

+static int SProcDMXQueryVersion(ClientPtr client)

+{

+    int n;

+    REQUEST(xDMXQueryVersionReq);

+

+    swaps(&stuff->length, n);

+    REQUEST_SIZE_MATCH(xDMXQueryVersionReq);

+    return ProcDMXQueryVersion(client);

+}

+

+static int SProcDMXSync(ClientPtr client)

+{

+    int n;

+    REQUEST(xDMXSyncReq);

+

+    swaps(&stuff->length, n);

+    REQUEST_SIZE_MATCH(xDMXSyncReq);

+    return ProcDMXSync(client);

+}

+

+static int SProcDMXForceWindowCreation(ClientPtr client)

+{

+    int n;

+    REQUEST(xDMXForceWindowCreationReq);

+

+    swaps(&stuff->length, n);

+    REQUEST_SIZE_MATCH(xDMXForceWindowCreationReq);

+    swaps(&stuff->window, n);

+    return ProcDMXForceWindowCreation(client);

+}

+

+static int SProcDMXGetScreenCount(ClientPtr client)

+{

+    int n;

+    REQUEST(xDMXGetScreenCountReq);

+

+    swaps(&stuff->length, n);

+    REQUEST_SIZE_MATCH(xDMXGetScreenCountReq);

+    return ProcDMXGetScreenCount(client);

+}

+

+static int SProcDMXGetScreenAttributes(ClientPtr client)

+{

+    int n;

+    REQUEST(xDMXGetScreenAttributesReq);

+

+    swaps(&stuff->length, n);

+    REQUEST_SIZE_MATCH(xDMXGetScreenAttributesReq);

+    swapl(&stuff->physicalScreen, n);

+    return ProcDMXGetScreenAttributes(client);

+}

+

+static int SProcDMXChangeScreensAttributes(ClientPtr client)

+{

+    int n;

+    REQUEST(xDMXChangeScreensAttributesReq);

+

+    swaps(&stuff->length, n);

+    REQUEST_AT_LEAST_SIZE(xDMXGetScreenAttributesReq);

+    swapl(&stuff->screenCount, n);

+    swapl(&stuff->maskCount, n);

+    SwapRestL(stuff);

+    return ProcDMXGetScreenAttributes(client);

+}

+

+static int SProcDMXAddScreen(ClientPtr client)

+{

+    int n;

+    int paddedLength;

+    REQUEST(xDMXAddScreenReq);

+

+    swaps(&stuff->length, n);

+    REQUEST_AT_LEAST_SIZE(xDMXAddScreenReq);

+    swapl(&stuff->displayNameLength, n);

+    swapl(&stuff->valueMask, n);

+    paddedLength = pad_to_int32(stuff->displayNameLength);

+    SwapLongs((CARD32 *)(stuff+1), LengthRestL(stuff) - paddedLength/4);

+    return ProcDMXAddScreen(client);

+}

+

+static int SProcDMXRemoveScreen(ClientPtr client)

+{

+    int n;

+    REQUEST(xDMXRemoveScreenReq);

+

+    swaps(&stuff->length, n);

+    REQUEST_SIZE_MATCH(xDMXRemoveScreenReq);

+    swapl(&stuff->physicalScreen, n);

+    return ProcDMXRemoveScreen(client);

+}

+

+static int SProcDMXGetWindowAttributes(ClientPtr client)

+{

+    int n;

+    REQUEST(xDMXGetWindowAttributesReq);

+

+    swaps(&stuff->length, n);

+    REQUEST_SIZE_MATCH(xDMXGetWindowAttributesReq);

+    swapl(&stuff->window, n);

+    return ProcDMXGetWindowAttributes(client);

+}

+

+static int SProcDMXGetDesktopAttributes(ClientPtr client)

+{

+    int n;

+    REQUEST(xDMXGetDesktopAttributesReq);

+

+    swaps(&stuff->length, n);

+    REQUEST_SIZE_MATCH(xDMXGetDesktopAttributesReq);

+    return ProcDMXGetDesktopAttributes(client);

+}

+

+static int SProcDMXChangeDesktopAttributes(ClientPtr client)

+{

+    int n;

+    REQUEST(xDMXChangeDesktopAttributesReq);

+

+    swaps(&stuff->length, n);

+    REQUEST_AT_LEAST_SIZE(xDMXChangeDesktopAttributesReq);

+    swapl(&stuff->valueMask, n);

+    SwapRestL(stuff);

+    return ProcDMXChangeDesktopAttributes(client);

+}

+

+static int SProcDMXGetInputCount(ClientPtr client)

+{

+    int n;

+    REQUEST(xDMXGetInputCountReq);

+

+    swaps(&stuff->length, n);

+    REQUEST_SIZE_MATCH(xDMXGetInputCountReq);

+    return ProcDMXGetInputCount(client);

+}

+

+static int SProcDMXGetInputAttributes(ClientPtr client)

+{

+    int n;

+    REQUEST(xDMXGetInputAttributesReq);

+

+    swaps(&stuff->length, n);

+    REQUEST_SIZE_MATCH(xDMXGetInputAttributesReq);

+    swapl(&stuff->deviceId, n);

+    return ProcDMXGetInputAttributes(client);

+}

+

+static int SProcDMXAddInput(ClientPtr client)

+{

+    int n;

+    int paddedLength;

+    REQUEST(xDMXAddInputReq);

+

+    swaps(&stuff->length, n);

+    REQUEST_AT_LEAST_SIZE(xDMXAddInputReq);

+    swapl(&stuff->displayNameLength, n);

+    swapl(&stuff->valueMask, n);

+    paddedLength = pad_to_int32(stuff->displayNameLength);

+    SwapLongs((CARD32 *)(stuff+1), LengthRestL(stuff) - paddedLength/4);

+    return ProcDMXAddInput(client);

+}

+

+static int SProcDMXRemoveInput(ClientPtr client)

+{

+    int n;

+    REQUEST(xDMXRemoveInputReq);

+

+    swaps(&stuff->length, n);

+    REQUEST_SIZE_MATCH(xDMXRemoveInputReq);

+    swapl(&stuff->physicalId, n);

+    return ProcDMXRemoveInput(client);

+}

+

+static int SProcDMXDispatch (ClientPtr client)

+{

+    REQUEST(xReq);

+

+    switch (stuff->data) {

+    case X_DMXQueryVersion:         return SProcDMXQueryVersion(client);

+    case X_DMXSync:                 return SProcDMXSync(client);

+    case X_DMXForceWindowCreation:  return SProcDMXForceWindowCreation(client);

+    case X_DMXGetScreenCount:       return SProcDMXGetScreenCount(client);

+    case X_DMXGetScreenAttributes:  return SProcDMXGetScreenAttributes(client);

+    case X_DMXChangeScreensAttributes:

+        return SProcDMXChangeScreensAttributes(client);

+    case X_DMXAddScreen:            return SProcDMXAddScreen(client);

+    case X_DMXRemoveScreen:         return SProcDMXRemoveScreen(client);

+    case X_DMXGetWindowAttributes:  return SProcDMXGetWindowAttributes(client);

+    case X_DMXGetDesktopAttributes:

+        return SProcDMXGetDesktopAttributes(client);

+    case X_DMXChangeDesktopAttributes:

+        return SProcDMXChangeDesktopAttributes(client);

+    case X_DMXGetInputCount:        return SProcDMXGetInputCount(client);

+    case X_DMXGetInputAttributes:   return SProcDMXGetInputAttributes(client);

+    case X_DMXAddInput:             return SProcDMXAddInput(client);

+    case X_DMXRemoveInput:          return SProcDMXRemoveInput(client);

+        

+    case X_DMXGetScreenInformationDEPRECATED:

+    case X_DMXForceWindowCreationDEPRECATED:

+    case X_DMXReconfigureScreenDEPRECATED:

+        return BadImplementation;

+

+    default:                        return BadRequest;

+    }

+}