Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 1133 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/Xext/dmx.c b/nx-X11/programs/Xserver/Xext/dmx.c
new file mode 100644
index 000000000..75623e696
--- /dev/null
+++ b/nx-X11/programs/Xserver/Xext/dmx.c
@@ -0,0 +1,1133 @@
+/* $XFree86$ */
+/*
+ * 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 #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"
+#define EXTENSION_PROC_ARGS void *
+#include "extnsionst.h"
+#include "opaque.h"
+
+#include "dmxextension.h"
+#include <X11/extensions/dmxproto.h>
+
+#define _DMX_SERVER_
+#include <X11/extensions/dmxext.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;
+}
+
+static void DMXResetProc(ExtensionEntry *extEntry)
+{
+}
+
+/** Initialize the extension. */
+void DMXExtensionInit(void)
+{
+    ExtensionEntry *extEntry;
+    
+    if ((extEntry = AddExtension(DMX_EXTENSION_NAME, 0, 0,
+                                 ProcDMXDispatch, SProcDMXDispatch,
+                                 DMXResetProc, 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   = DMX_EXTENSION_MAJOR;
+    rep.minorVersion   = DMX_EXTENSION_MINOR;
+    rep.patchVersion   = DMX_EXTENSION_PATCH;
+    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,
+                                           SecurityReadAccess)))
+            return -1;           /* BadWindow */
+
+        FOR_NSCREENS(i) {
+            if (!(pWin = SecurityLookupWindow(win->info[i].id, client,
+                                              SecurityReadAccess)))
+                return -1;       /* BadWindow */
+
+            dmxForceWindowCreation(pWin);
+        }
+        goto doreply;
+    }
+#endif
+
+    if (!(pWin = SecurityLookupWindow(stuff->window, client,
+                                      SecurityReadAccess)))
+        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            = (length + 3) & ~3;
+    rep.type                = X_Reply;
+    rep.sequenceNumber      = client->sequence;
+    rep.length              = paddedLength >> 2;
+    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 - (sizeof(xDMXChangeScreensAttributesReq) >> 2);
+    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 = ALLOCATE_LOCAL(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
+
+    DEALLOCATE_LOCAL(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 = (stuff->displayNameLength + 3) & ~3;
+    len          = client->req_len - (sizeof(xDMXAddScreenReq) >> 2);
+    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 = ALLOCATE_LOCAL(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);
+
+    DEALLOCATE_LOCAL(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,
+                                       SecurityReadAccess)))
+        return -1;               /* BadWindow */
+    
+    FOR_NSCREENS(i) {
+        if (!(pWin = SecurityLookupWindow(win->info[i].id, client,
+                                          SecurityReadAccess)))
+            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 (!(pWin = SecurityLookupWindow(window, client, SecurityReadAccess)))
+        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 = ALLOCATE_LOCAL(count * sizeof(*screens))))
+        return BadAlloc;
+    if (!(windows = ALLOCATE_LOCAL(count * sizeof(*windows)))) {
+        DEALLOCATE_LOCAL(screens);
+        return BadAlloc;
+    }
+    if (!(pos = ALLOCATE_LOCAL(count * sizeof(*pos)))) {
+        DEALLOCATE_LOCAL(windows);
+        DEALLOCATE_LOCAL(screens);
+        return BadAlloc;
+    }
+    if (!(vis = ALLOCATE_LOCAL(count * sizeof(*vis)))) {
+        DEALLOCATE_LOCAL(pos);
+        DEALLOCATE_LOCAL(windows);
+        DEALLOCATE_LOCAL(screens);
+        return BadAlloc;
+    }
+
+    if ((count = dmxPopulate(client, stuff->window, screens, windows,
+                             pos, vis)) < 0) {
+        DEALLOCATE_LOCAL(vis);
+        DEALLOCATE_LOCAL(pos);
+        DEALLOCATE_LOCAL(windows);
+        DEALLOCATE_LOCAL(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);
+    }
+
+    DEALLOCATE_LOCAL(vis);
+    DEALLOCATE_LOCAL(pos);
+    DEALLOCATE_LOCAL(windows);
+    DEALLOCATE_LOCAL(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       = (length + 3) & ~3;
+    rep.type           = X_Reply;
+    rep.sequenceNumber = client->sequence;
+    rep.length         = paddedLength >> 2;
+    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 = (stuff->displayNameLength + 3) & ~3;
+    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 = ALLOCATE_LOCAL(stuff->displayNameLength + 1 + 4)))
+        return BadAlloc;
+    memcpy(name, &value_list[count], stuff->displayNameLength);
+    name[stuff->displayNameLength] = '\0';
+    attr.name = name;
+
+    status = dmxAddInput(&attr, &id);
+
+    DEALLOCATE_LOCAL(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 = (stuff->displayNameLength + 3) & ~3;
+    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 = (stuff->displayNameLength + 3) & ~3;
+    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;
+    }
+}