fontconfig mesa xserver git update 10 Jul 2012

1 files changed, 2165 insertions, 0 deletions

diff --git a/xorg-server/hw/xfree86/common/xf86vmode.c b/xorg-server/hw/xfree86/common/xf86vmode.c
new file mode 100644
index 000000000..7cd2eedb3
--- /dev/null
+++ b/xorg-server/hw/xfree86/common/xf86vmode.c
@@ -0,0 +1,2165 @@
+
+/*
+
+Copyright 1995  Kaleb S. KEITHLEY
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, 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 shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL Kaleb S. KEITHLEY 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.
+
+Except as contained in this notice, the name of Kaleb S. KEITHLEY 
+shall not be used in advertising or otherwise to promote the sale, use 
+or other dealings in this Software without prior written authorization
+from Kaleb S. KEITHLEY
+
+*/
+/* THIS IS NOT AN X CONSORTIUM STANDARD OR AN X PROJECT TEAM SPECIFICATION */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "dixstruct.h"
+#include "extnsionst.h"
+#include "xf86Extensions.h"
+#include "scrnintstr.h"
+#include "servermd.h"
+#include <X11/extensions/xf86vmproto.h>
+#include "swaprep.h"
+#include "xf86.h"
+#include "vidmodeproc.h"
+#include "globals.h"
+#include "protocol-versions.h"
+
+#define DEFAULT_XF86VIDMODE_VERBOSITY	3
+
+static int VidModeErrorBase;
+static DevPrivateKeyRec VidModeClientPrivateKeyRec;
+
+#define VidModeClientPrivateKey (&VidModeClientPrivateKeyRec)
+
+/* This holds the client's version information */
+typedef struct {
+    int major;
+    int minor;
+} VidModePrivRec, *VidModePrivPtr;
+
+#define VM_GETPRIV(c) ((VidModePrivPtr) \
+    dixLookupPrivate(&(c)->devPrivates, VidModeClientPrivateKey))
+#define VM_SETPRIV(c,p) \
+    dixSetPrivate(&(c)->devPrivates, VidModeClientPrivateKey, p)
+
+#if 0
+static unsigned char XF86VidModeReqCode = 0;
+#endif
+
+/* The XF86VIDMODE_EVENTS code is far from complete */
+
+#ifdef XF86VIDMODE_EVENTS
+static int XF86VidModeEventBase = 0;
+
+static void SXF86VidModeNotifyEvent(xXF86VidModeNotifyEvent * /* from */ , xXF86VidModeNotifyEvent *    /* to */
+    );
+
+static RESTYPE EventType;       /* resource type for event masks */
+
+typedef struct _XF86VidModeEvent *XF86VidModeEventPtr;
+
+typedef struct _XF86VidModeEvent {
+    XF86VidModeEventPtr next;
+    ClientPtr client;
+    ScreenPtr screen;
+    XID resource;
+    CARD32 mask;
+} XF86VidModeEventRec;
+
+static int XF86VidModeFreeEvents();
+
+typedef struct _XF86VidModeScreenPrivate {
+    XF86VidModeEventPtr events;
+    Bool hasWindow;
+} XF86VidModeScreenPrivateRec, *XF86VidModeScreenPrivatePtr;
+
+static DevPrivateKeyRec ScreenPrivateKeyRec;
+
+#define ScreenPrivateKey (&ScreenPrivateKeyRec)
+
+#define GetScreenPrivate(s) ((ScreenSaverScreenPrivatePtr) \
+    dixLookupPrivate(&(s)->devPrivates, ScreenPrivateKey))
+#define SetScreenPrivate(s,v) \
+    dixSetPrivate(&(s)->devPrivates, ScreenPrivateKey, v)
+#define SetupScreen(s)  ScreenSaverScreenPrivatePtr pPriv = GetScreenPrivate(s)
+
+#define New(t)  (malloc(sizeof (t)))
+#endif
+
+#ifdef DEBUG
+#define DEBUG_P(x) ErrorF(x"\n");
+#else
+#define DEBUG_P(x) /**/
+#endif
+    static int
+ClientMajorVersion(ClientPtr client)
+{
+    VidModePrivPtr pPriv;
+
+    pPriv = VM_GETPRIV(client);
+    if (!pPriv)
+        return 0;
+    else
+        return pPriv->major;
+}
+
+#ifdef XF86VIDMODE_EVENTS
+static void
+CheckScreenPrivate(pScreen)
+ScreenPtr
+ pScreen;
+{
+    SetupScreen(pScreen);
+
+    if (!pPriv)
+        return;
+    if (!pPriv->events && !pPriv->hasWindow) {
+        free(pPriv);
+        SetScreenPrivate(pScreen, NULL);
+    }
+}
+
+static XF86VidModeScreenPrivatePtr
+MakeScreenPrivate(pScreen)
+ScreenPtr
+ pScreen;
+{
+    SetupScreen(pScreen);
+
+    if (pPriv)
+        return pPriv;
+    pPriv = New(XF86VidModeScreenPrivateRec);
+    if (!pPriv)
+        return 0;
+    pPriv->events = 0;
+    pPriv->hasWindow = FALSE;
+    SetScreenPrivate(pScreen, pPriv);
+    return pPriv;
+}
+
+static unsigned long
+getEventMask(ScreenPtr pScreen, ClientPtr client)
+{
+    SetupScreen(pScreen);
+    XF86VidModeEventPtr pEv;
+
+    if (!pPriv)
+        return 0;
+    for (pEv = pPriv->events; pEv; pEv = pEv->next)
+        if (pEv->client == client)
+            return pEv->mask;
+    return 0;
+}
+
+static Bool
+setEventMask(ScreenPtr pScreen, ClientPtr client, unsigned long mask)
+{
+    SetupScreen(pScreen);
+    XF86VidModeEventPtr pEv, *pPrev;
+
+    if (getEventMask(pScreen, client) == mask)
+        return TRUE;
+    if (!pPriv) {
+        pPriv = MakeScreenPrivate(pScreen);
+        if (!pPriv)
+            return FALSE;
+    }
+    for (pPrev = &pPriv->events; pEv = *pPrev; pPrev = &pEv->next)
+        if (pEv->client == client)
+            break;
+    if (mask == 0) {
+        *pPrev = pEv->next;
+        free(pEv);
+        CheckScreenPrivate(pScreen);
+    }
+    else {
+        if (!pEv) {
+            pEv = New(ScreenSaverEventRec);
+            if (!pEv) {
+                CheckScreenPrivate(pScreen);
+                return FALSE;
+            }
+            *pPrev = pEv;
+            pEv->next = NULL;
+            pEv->client = client;
+            pEv->screen = pScreen;
+            pEv->resource = FakeClientID(client->index);
+        }
+        pEv->mask = mask;
+    }
+    return TRUE;
+}
+
+static int
+XF86VidModeFreeEvents(pointer value, XID id)
+{
+    XF86VidModeEventPtr pOld = (XF86VidModeEventPtr) value;
+    ScreenPtr pScreen = pOld->screen;
+
+    SetupScreen(pScreen);
+    XF86VidModeEventPtr pEv, *pPrev;
+
+    if (!pPriv)
+        return TRUE;
+    for (pPrev = &pPriv->events; pEv = *pPrev; pPrev = &pEv->next)
+        if (pEv == pOld)
+            break;
+    if (!pEv)
+        return TRUE;
+    *pPrev = pEv->next;
+    free(pEv);
+    CheckScreenPrivate(pScreen);
+    return TRUE;
+}
+
+static void
+SendXF86VidModeNotify(ScreenPtr pScreen, int state, Bool forced)
+{
+    XF86VidModeScreenPrivatePtr pPriv;
+    unsigned long mask;
+    xXF86VidModeNotifyEvent ev;
+    int kind;
+
+    UpdateCurrentTimeIf();
+    mask = XF86VidModeNotifyMask;
+    pScreen = screenInfo.screens[pScreen->myNum];
+    pPriv = GetScreenPrivate(pScreen);
+    if (!pPriv)
+        return;
+    kind = XF86VidModeModeChange;
+    for (pEv = pPriv->events; pEv; pEv = pEv->next) {
+        if (pEv->mask & mask) {
+            XF86VidModeEventPtr pEv = {
+                .type = XF86VidModeNotify + XF86VidModeEventBase,
+                .state = state,
+                .timestamp = currentTime.milliseconds,
+                .root = pScreen->root->drawable.id,
+                .kind = kind,
+                .forced = forced
+            };
+            WriteEventsToClient(pEv->client, 1, (xEvent *) &ev);
+        }
+    }
+}
+
+static void
+SXF86VidModeNotifyEvent(xXF86VidModeNotifyEvent * from,
+                        xXF86VidModeNotifyEvent * to)
+{
+    to->type = from->type;
+    to->state = from->state;
+    cpswaps(from->sequenceNumber, to->sequenceNumber);
+    cpswapl(from->timestamp, to->timestamp);
+    cpswapl(from->root, to->root);
+    to->kind = from->kind;
+    to->forced = from->forced;
+}
+#endif
+
+static int
+ProcXF86VidModeQueryVersion(ClientPtr client)
+{
+    xXF86VidModeQueryVersionReply rep = {
+        .type = X_Reply,
+        .sequenceNumber = client->sequence,
+        .length = 0,
+        .majorVersion = SERVER_XF86VIDMODE_MAJOR_VERSION,
+        .minorVersion = SERVER_XF86VIDMODE_MINOR_VERSION
+    };
+
+    DEBUG_P("XF86VidModeQueryVersion");
+
+    REQUEST_SIZE_MATCH(xXF86VidModeQueryVersionReq);
+
+    if (client->swapped) {
+        swaps(&rep.sequenceNumber);
+        swapl(&rep.length);
+        swaps(&rep.majorVersion);
+        swaps(&rep.minorVersion);
+    }
+    WriteToClient(client, sizeof(xXF86VidModeQueryVersionReply), &rep);
+    return Success;
+}
+
+static int
+ProcXF86VidModeGetModeLine(ClientPtr client)
+{
+    REQUEST(xXF86VidModeGetModeLineReq);
+    xXF86VidModeGetModeLineReply rep = {
+        .type = X_Reply,
+        .sequenceNumber = client->sequence
+    };
+    pointer mode;
+    int dotClock;
+    int ver;
+
+    DEBUG_P("XF86VidModeGetModeline");
+
+    ver = ClientMajorVersion(client);
+    REQUEST_SIZE_MATCH(xXF86VidModeGetModeLineReq);
+
+    if (ver < 2) {
+        rep.length = bytes_to_int32(SIZEOF(xXF86OldVidModeGetModeLineReply) -
+                                    SIZEOF(xGenericReply));
+    }
+    else {
+        rep.length = bytes_to_int32(SIZEOF(xXF86VidModeGetModeLineReply) -
+                                    SIZEOF(xGenericReply));
+    }
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    if (!VidModeGetCurrentModeline(stuff->screen, &mode, &dotClock))
+        return BadValue;
+
+    rep.dotclock = dotClock;
+    rep.hdisplay = VidModeGetModeValue(mode, VIDMODE_H_DISPLAY);
+    rep.hsyncstart = VidModeGetModeValue(mode, VIDMODE_H_SYNCSTART);
+    rep.hsyncend = VidModeGetModeValue(mode, VIDMODE_H_SYNCEND);
+    rep.htotal = VidModeGetModeValue(mode, VIDMODE_H_TOTAL);
+    rep.hskew = VidModeGetModeValue(mode, VIDMODE_H_SKEW);
+    rep.vdisplay = VidModeGetModeValue(mode, VIDMODE_V_DISPLAY);
+    rep.vsyncstart = VidModeGetModeValue(mode, VIDMODE_V_SYNCSTART);
+    rep.vsyncend = VidModeGetModeValue(mode, VIDMODE_V_SYNCEND);
+    rep.vtotal = VidModeGetModeValue(mode, VIDMODE_V_TOTAL);
+    rep.flags = VidModeGetModeValue(mode, VIDMODE_FLAGS);
+
+    if (xf86GetVerbosity() > DEFAULT_XF86VIDMODE_VERBOSITY) {
+        ErrorF("GetModeLine - scrn: %d clock: %ld\n",
+               stuff->screen, (unsigned long) rep.dotclock);
+        ErrorF("GetModeLine - hdsp: %d hbeg: %d hend: %d httl: %d\n",
+               rep.hdisplay, rep.hsyncstart, rep.hsyncend, rep.htotal);
+        ErrorF("              vdsp: %d vbeg: %d vend: %d vttl: %d flags: %ld\n",
+               rep.vdisplay, rep.vsyncstart, rep.vsyncend,
+               rep.vtotal, (unsigned long) rep.flags);
+    }
+
+    /*
+     * Older servers sometimes had server privates that the VidMode 
+     * extention made available. So to be compatiable pretend that
+     * there are no server privates to pass to the client
+     */
+    rep.privsize = 0;
+
+    if (client->swapped) {
+        swaps(&rep.sequenceNumber);
+        swapl(&rep.length);
+        swapl(&rep.dotclock);
+        swaps(&rep.hdisplay);
+        swaps(&rep.hsyncstart);
+        swaps(&rep.hsyncend);
+        swaps(&rep.htotal);
+        swaps(&rep.hskew);
+        swaps(&rep.vdisplay);
+        swaps(&rep.vsyncstart);
+        swaps(&rep.vsyncend);
+        swaps(&rep.vtotal);
+        swapl(&rep.flags);
+        swapl(&rep.privsize);
+    }
+    if (ver < 2) {
+        xXF86OldVidModeGetModeLineReply oldrep = {
+            .type = rep.type,
+            .sequenceNumber = rep.sequenceNumber,
+            .length = rep.length,
+            .dotclock = rep.dotclock,
+            .hdisplay = rep.hdisplay,
+            .hsyncstart = rep.hsyncstart,
+            .hsyncend = rep.hsyncend,
+            .htotal = rep.htotal,
+            .vdisplay = rep.vdisplay,
+            .vsyncstart = rep.vsyncstart,
+            .vsyncend = rep.vsyncend,
+            .vtotal = rep.vtotal,
+            .flags = rep.flags,
+            .privsize = rep.privsize
+        };
+        WriteToClient(client, sizeof(xXF86OldVidModeGetModeLineReply), &oldrep);
+    }
+    else {
+        WriteToClient(client, sizeof(xXF86VidModeGetModeLineReply), &rep);
+    }
+    return Success;
+}
+
+static int
+ProcXF86VidModeGetAllModeLines(ClientPtr client)
+{
+    REQUEST(xXF86VidModeGetAllModeLinesReq);
+    xXF86VidModeGetAllModeLinesReply rep;
+    pointer mode;
+    int modecount, dotClock;
+    int ver;
+
+    DEBUG_P("XF86VidModeGetAllModelines");
+
+    REQUEST_SIZE_MATCH(xXF86VidModeGetAllModeLinesReq);
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    ver = ClientMajorVersion(client);
+
+    modecount = VidModeGetNumOfModes(stuff->screen);
+    if (modecount < 1)
+        return VidModeErrorBase + XF86VidModeExtensionDisabled;
+
+    if (!VidModeGetFirstModeline(stuff->screen, &mode, &dotClock))
+        return BadValue;
+
+    rep = (xXF86VidModeGetAllModeLinesReply) {
+        .type = X_Reply,
+        .length = SIZEOF(xXF86VidModeGetAllModeLinesReply) -
+            SIZEOF(xGenericReply),
+        .sequenceNumber = client->sequence,
+        .modecount = modecount
+    };
+    if (ver < 2)
+        rep.length += modecount * sizeof(xXF86OldVidModeModeInfo);
+    else
+        rep.length += modecount * sizeof(xXF86VidModeModeInfo);
+    rep.length >>= 2;
+    if (client->swapped) {
+        swaps(&rep.sequenceNumber);
+        swapl(&rep.length);
+        swapl(&rep.modecount);
+    }
+    WriteToClient(client, sizeof(xXF86VidModeGetAllModeLinesReply), &rep);
+
+    do {
+        xXF86VidModeModeInfo mdinf = {
+            .dotclock = dotClock,
+            .hdisplay = VidModeGetModeValue(mode, VIDMODE_H_DISPLAY),
+            .hsyncstart = VidModeGetModeValue(mode, VIDMODE_H_SYNCSTART),
+            .hsyncend = VidModeGetModeValue(mode, VIDMODE_H_SYNCEND),
+            .htotal = VidModeGetModeValue(mode, VIDMODE_H_TOTAL),
+            .hskew = VidModeGetModeValue(mode, VIDMODE_H_SKEW),
+            .vdisplay = VidModeGetModeValue(mode, VIDMODE_V_DISPLAY),
+            .vsyncstart = VidModeGetModeValue(mode, VIDMODE_V_SYNCSTART),
+            .vsyncend = VidModeGetModeValue(mode, VIDMODE_V_SYNCEND),
+            .vtotal = VidModeGetModeValue(mode, VIDMODE_V_TOTAL),
+            .flags = VidModeGetModeValue(mode, VIDMODE_FLAGS),
+            .privsize = 0
+        };
+        if (client->swapped) {
+            swapl(&mdinf.dotclock);
+            swaps(&mdinf.hdisplay);
+            swaps(&mdinf.hsyncstart);
+            swaps(&mdinf.hsyncend);
+            swaps(&mdinf.htotal);
+            swapl(&mdinf.hskew);
+            swaps(&mdinf.vdisplay);
+            swaps(&mdinf.vsyncstart);
+            swaps(&mdinf.vsyncend);
+            swaps(&mdinf.vtotal);
+            swapl(&mdinf.flags);
+            swapl(&mdinf.privsize);
+        }
+        if (ver < 2) {
+            xXF86OldVidModeModeInfo oldmdinf = {
+                .dotclock = mdinf.dotclock,
+                .hdisplay = mdinf.hdisplay,
+                .hsyncstart = mdinf.hsyncstart,
+                .hsyncend = mdinf.hsyncend,
+                .htotal = mdinf.htotal,
+                .vdisplay = mdinf.vdisplay,
+                .vsyncstart = mdinf.vsyncstart,
+                .vsyncend = mdinf.vsyncend,
+                .vtotal = mdinf.vtotal,
+                .flags = mdinf.flags,
+                .privsize = mdinf.privsize
+            };
+            WriteToClient(client, sizeof(xXF86OldVidModeModeInfo), &oldmdinf);
+        }
+        else {
+            WriteToClient(client, sizeof(xXF86VidModeModeInfo), &mdinf);
+        }
+
+    } while (VidModeGetNextModeline(stuff->screen, &mode, &dotClock));
+
+    return Success;
+}
+
+#define MODEMATCH(mode,stuff)	  \
+     (VidModeGetModeValue(mode, VIDMODE_H_DISPLAY)  == stuff->hdisplay \
+     && VidModeGetModeValue(mode, VIDMODE_H_SYNCSTART)  == stuff->hsyncstart \
+     && VidModeGetModeValue(mode, VIDMODE_H_SYNCEND)  == stuff->hsyncend \
+     && VidModeGetModeValue(mode, VIDMODE_H_TOTAL)  == stuff->htotal \
+     && VidModeGetModeValue(mode, VIDMODE_V_DISPLAY)  == stuff->vdisplay \
+     && VidModeGetModeValue(mode, VIDMODE_V_SYNCSTART)  == stuff->vsyncstart \
+     && VidModeGetModeValue(mode, VIDMODE_V_SYNCEND)  == stuff->vsyncend \
+     && VidModeGetModeValue(mode, VIDMODE_V_TOTAL)  == stuff->vtotal \
+     && VidModeGetModeValue(mode, VIDMODE_FLAGS)  == stuff->flags )
+
+static int
+ProcXF86VidModeAddModeLine(ClientPtr client)
+{
+    REQUEST(xXF86VidModeAddModeLineReq);
+    xXF86OldVidModeAddModeLineReq *oldstuff =
+        (xXF86OldVidModeAddModeLineReq *) client->requestBuffer;
+    xXF86VidModeAddModeLineReq newstuff;
+    pointer mode;
+    int len;
+    int dotClock;
+    int ver;
+
+    DEBUG_P("XF86VidModeAddModeline");
+
+    ver = ClientMajorVersion(client);
+    if (ver < 2) {
+        /* convert from old format */
+        stuff = &newstuff;
+        stuff->length = oldstuff->length;
+        stuff->screen = oldstuff->screen;
+        stuff->dotclock = oldstuff->dotclock;
+        stuff->hdisplay = oldstuff->hdisplay;
+        stuff->hsyncstart = oldstuff->hsyncstart;
+        stuff->hsyncend = oldstuff->hsyncend;
+        stuff->htotal = oldstuff->htotal;
+        stuff->hskew = 0;
+        stuff->vdisplay = oldstuff->vdisplay;
+        stuff->vsyncstart = oldstuff->vsyncstart;
+        stuff->vsyncend = oldstuff->vsyncend;
+        stuff->vtotal = oldstuff->vtotal;
+        stuff->flags = oldstuff->flags;
+        stuff->privsize = oldstuff->privsize;
+        stuff->after_dotclock = oldstuff->after_dotclock;
+        stuff->after_hdisplay = oldstuff->after_hdisplay;
+        stuff->after_hsyncstart = oldstuff->after_hsyncstart;
+        stuff->after_hsyncend = oldstuff->after_hsyncend;
+        stuff->after_htotal = oldstuff->after_htotal;
+        stuff->after_hskew = 0;
+        stuff->after_vdisplay = oldstuff->after_vdisplay;
+        stuff->after_vsyncstart = oldstuff->after_vsyncstart;
+        stuff->after_vsyncend = oldstuff->after_vsyncend;
+        stuff->after_vtotal = oldstuff->after_vtotal;
+        stuff->after_flags = oldstuff->after_flags;
+    }
+    if (xf86GetVerbosity() > DEFAULT_XF86VIDMODE_VERBOSITY) {
+        ErrorF("AddModeLine - scrn: %d clock: %ld\n",
+               (int) stuff->screen, (unsigned long) stuff->dotclock);
+        ErrorF("AddModeLine - hdsp: %d hbeg: %d hend: %d httl: %d\n",
+               stuff->hdisplay, stuff->hsyncstart,
+               stuff->hsyncend, stuff->htotal);
+        ErrorF("              vdsp: %d vbeg: %d vend: %d vttl: %d flags: %ld\n",
+               stuff->vdisplay, stuff->vsyncstart, stuff->vsyncend,
+               stuff->vtotal, (unsigned long) stuff->flags);
+        ErrorF("      after - scrn: %d clock: %ld\n",
+               (int) stuff->screen, (unsigned long) stuff->after_dotclock);
+        ErrorF("              hdsp: %d hbeg: %d hend: %d httl: %d\n",
+               stuff->after_hdisplay, stuff->after_hsyncstart,
+               stuff->after_hsyncend, stuff->after_htotal);
+        ErrorF("              vdsp: %d vbeg: %d vend: %d vttl: %d flags: %ld\n",
+               stuff->after_vdisplay, stuff->after_vsyncstart,
+               stuff->after_vsyncend, stuff->after_vtotal,
+               (unsigned long) stuff->after_flags);
+    }
+
+    if (ver < 2) {
+        REQUEST_AT_LEAST_SIZE(xXF86OldVidModeAddModeLineReq);
+        len =
+            client->req_len -
+            bytes_to_int32(sizeof(xXF86OldVidModeAddModeLineReq));
+    }
+    else {
+        REQUEST_AT_LEAST_SIZE(xXF86VidModeAddModeLineReq);
+        len =
+            client->req_len -
+            bytes_to_int32(sizeof(xXF86VidModeAddModeLineReq));
+    }
+    if (len != stuff->privsize)
+        return BadLength;
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    if (stuff->hsyncstart < stuff->hdisplay ||
+        stuff->hsyncend < stuff->hsyncstart ||
+        stuff->htotal < stuff->hsyncend ||
+        stuff->vsyncstart < stuff->vdisplay ||
+        stuff->vsyncend < stuff->vsyncstart || stuff->vtotal < stuff->vsyncend)
+        return BadValue;
+
+    if (stuff->after_hsyncstart < stuff->after_hdisplay ||
+        stuff->after_hsyncend < stuff->after_hsyncstart ||
+        stuff->after_htotal < stuff->after_hsyncend ||
+        stuff->after_vsyncstart < stuff->after_vdisplay ||
+        stuff->after_vsyncend < stuff->after_vsyncstart ||
+        stuff->after_vtotal < stuff->after_vsyncend)
+        return BadValue;
+
+    if (stuff->after_htotal != 0 || stuff->after_vtotal != 0) {
+        Bool found = FALSE;
+
+        if (VidModeGetFirstModeline(stuff->screen, &mode, &dotClock)) {
+            do {
+                if ((VidModeGetDotClock(stuff->screen, stuff->dotclock)
+                     == dotClock) && MODEMATCH(mode, stuff)) {
+                    found = TRUE;
+                    break;
+                }
+            } while (VidModeGetNextModeline(stuff->screen, &mode, &dotClock));
+        }
+        if (!found)
+            return BadValue;
+    }
+
+    mode = VidModeCreateMode();
+    if (mode == NULL)
+        return BadValue;
+
+    VidModeSetModeValue(mode, VIDMODE_CLOCK, stuff->dotclock);
+    VidModeSetModeValue(mode, VIDMODE_H_DISPLAY, stuff->hdisplay);
+    VidModeSetModeValue(mode, VIDMODE_H_SYNCSTART, stuff->hsyncstart);
+    VidModeSetModeValue(mode, VIDMODE_H_SYNCEND, stuff->hsyncend);
+    VidModeSetModeValue(mode, VIDMODE_H_TOTAL, stuff->htotal);
+    VidModeSetModeValue(mode, VIDMODE_H_SKEW, stuff->hskew);
+    VidModeSetModeValue(mode, VIDMODE_V_DISPLAY, stuff->vdisplay);
+    VidModeSetModeValue(mode, VIDMODE_V_SYNCSTART, stuff->vsyncstart);
+    VidModeSetModeValue(mode, VIDMODE_V_SYNCEND, stuff->vsyncend);
+    VidModeSetModeValue(mode, VIDMODE_V_TOTAL, stuff->vtotal);
+    VidModeSetModeValue(mode, VIDMODE_FLAGS, stuff->flags);
+
+    if (stuff->privsize)
+        ErrorF("AddModeLine - Privates in request have been ignored\n");
+
+    /* Check that the mode is consistent with the monitor specs */
+    switch (VidModeCheckModeForMonitor(stuff->screen, mode)) {
+    case MODE_OK:
+        break;
+    case MODE_HSYNC:
+    case MODE_H_ILLEGAL:
+        free(mode);
+        return VidModeErrorBase + XF86VidModeBadHTimings;
+    case MODE_VSYNC:
+    case MODE_V_ILLEGAL:
+        free(mode);
+        return VidModeErrorBase + XF86VidModeBadVTimings;
+    default:
+        free(mode);
+        return VidModeErrorBase + XF86VidModeModeUnsuitable;
+    }
+
+    /* Check that the driver is happy with the mode */
+    if (VidModeCheckModeForDriver(stuff->screen, mode) != MODE_OK) {
+        free(mode);
+        return VidModeErrorBase + XF86VidModeModeUnsuitable;
+    }
+
+    VidModeSetCrtcForMode(stuff->screen, mode);
+
+    VidModeAddModeline(stuff->screen, mode);
+
+    if (xf86GetVerbosity() > DEFAULT_XF86VIDMODE_VERBOSITY)
+        ErrorF("AddModeLine - Succeeded\n");
+    return Success;
+}
+
+static int
+ProcXF86VidModeDeleteModeLine(ClientPtr client)
+{
+    REQUEST(xXF86VidModeDeleteModeLineReq);
+    xXF86OldVidModeDeleteModeLineReq *oldstuff =
+        (xXF86OldVidModeDeleteModeLineReq *) client->requestBuffer;
+    xXF86VidModeDeleteModeLineReq newstuff;
+    pointer mode;
+    int len, dotClock;
+    int ver;
+
+    DEBUG_P("XF86VidModeDeleteModeline");
+
+    ver = ClientMajorVersion(client);
+    if (ver < 2) {
+        /* convert from old format */
+        stuff = &newstuff;
+        stuff->length = oldstuff->length;
+        stuff->screen = oldstuff->screen;
+        stuff->dotclock = oldstuff->dotclock;
+        stuff->hdisplay = oldstuff->hdisplay;
+        stuff->hsyncstart = oldstuff->hsyncstart;
+        stuff->hsyncend = oldstuff->hsyncend;
+        stuff->htotal = oldstuff->htotal;
+        stuff->hskew = 0;
+        stuff->vdisplay = oldstuff->vdisplay;
+        stuff->vsyncstart = oldstuff->vsyncstart;
+        stuff->vsyncend = oldstuff->vsyncend;
+        stuff->vtotal = oldstuff->vtotal;
+        stuff->flags = oldstuff->flags;
+        stuff->privsize = oldstuff->privsize;
+    }
+    if (xf86GetVerbosity() > DEFAULT_XF86VIDMODE_VERBOSITY) {
+        ErrorF("DeleteModeLine - scrn: %d clock: %ld\n",
+               (int) stuff->screen, (unsigned long) stuff->dotclock);
+        ErrorF("                 hdsp: %d hbeg: %d hend: %d httl: %d\n",
+               stuff->hdisplay, stuff->hsyncstart,
+               stuff->hsyncend, stuff->htotal);
+        ErrorF
+            ("                 vdsp: %d vbeg: %d vend: %d vttl: %d flags: %ld\n",
+             stuff->vdisplay, stuff->vsyncstart, stuff->vsyncend, stuff->vtotal,
+             (unsigned long) stuff->flags);
+    }
+
+    if (ver < 2) {
+        REQUEST_AT_LEAST_SIZE(xXF86OldVidModeDeleteModeLineReq);
+        len =
+            client->req_len -
+            bytes_to_int32(sizeof(xXF86OldVidModeDeleteModeLineReq));
+    }
+    else {
+        REQUEST_AT_LEAST_SIZE(xXF86VidModeDeleteModeLineReq);
+        len =
+            client->req_len -
+            bytes_to_int32(sizeof(xXF86VidModeDeleteModeLineReq));
+    }
+    if (len != stuff->privsize) {
+        if (xf86GetVerbosity() > DEFAULT_XF86VIDMODE_VERBOSITY) {
+            ErrorF("req_len = %ld, sizeof(Req) = %d, privsize = %ld, "
+                   "len = %d, length = %d\n",
+                   (unsigned long) client->req_len,
+                   (int) sizeof(xXF86VidModeDeleteModeLineReq) >> 2,
+                   (unsigned long) stuff->privsize, len, stuff->length);
+        }
+        return BadLength;
+    }
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    if (!VidModeGetCurrentModeline(stuff->screen, &mode, &dotClock))
+        return BadValue;
+
+    if (xf86GetVerbosity() > DEFAULT_XF86VIDMODE_VERBOSITY) {
+        ErrorF("Checking against clock: %d (%d)\n",
+               VidModeGetModeValue(mode, VIDMODE_CLOCK), dotClock);
+        ErrorF("                 hdsp: %d hbeg: %d hend: %d httl: %d\n",
+               VidModeGetModeValue(mode, VIDMODE_H_DISPLAY),
+               VidModeGetModeValue(mode, VIDMODE_H_SYNCSTART),
+               VidModeGetModeValue(mode, VIDMODE_H_SYNCEND),
+               VidModeGetModeValue(mode, VIDMODE_H_TOTAL));
+        ErrorF
+            ("                 vdsp: %d vbeg: %d vend: %d vttl: %d flags: %d\n",
+             VidModeGetModeValue(mode, VIDMODE_V_DISPLAY),
+             VidModeGetModeValue(mode, VIDMODE_V_SYNCSTART),
+             VidModeGetModeValue(mode, VIDMODE_V_SYNCEND),
+             VidModeGetModeValue(mode, VIDMODE_V_TOTAL),
+             VidModeGetModeValue(mode, VIDMODE_FLAGS));
+    }
+    if ((VidModeGetDotClock(stuff->screen, stuff->dotclock) == dotClock) &&
+        MODEMATCH(mode, stuff))
+        return BadValue;
+
+    if (!VidModeGetFirstModeline(stuff->screen, &mode, &dotClock))
+        return BadValue;
+
+    do {
+        if (xf86GetVerbosity() > DEFAULT_XF86VIDMODE_VERBOSITY) {
+            ErrorF("Checking against clock: %d (%d)\n",
+                   VidModeGetModeValue(mode, VIDMODE_CLOCK), dotClock);
+            ErrorF("                 hdsp: %d hbeg: %d hend: %d httl: %d\n",
+                   VidModeGetModeValue(mode, VIDMODE_H_DISPLAY),
+                   VidModeGetModeValue(mode, VIDMODE_H_SYNCSTART),
+                   VidModeGetModeValue(mode, VIDMODE_H_SYNCEND),
+                   VidModeGetModeValue(mode, VIDMODE_H_TOTAL));
+            ErrorF
+                ("                 vdsp: %d vbeg: %d vend: %d vttl: %d flags: %d\n",
+                 VidModeGetModeValue(mode, VIDMODE_V_DISPLAY),
+                 VidModeGetModeValue(mode, VIDMODE_V_SYNCSTART),
+                 VidModeGetModeValue(mode, VIDMODE_V_SYNCEND),
+                 VidModeGetModeValue(mode, VIDMODE_V_TOTAL),
+                 VidModeGetModeValue(mode, VIDMODE_FLAGS));
+        }
+        if ((VidModeGetDotClock(stuff->screen, stuff->dotclock) == dotClock) &&
+            MODEMATCH(mode, stuff)) {
+            VidModeDeleteModeline(stuff->screen, mode);
+            if (xf86GetVerbosity() > DEFAULT_XF86VIDMODE_VERBOSITY)
+                ErrorF("DeleteModeLine - Succeeded\n");
+            return Success;
+        }
+    } while (VidModeGetNextModeline(stuff->screen, &mode, &dotClock));
+
+    return BadValue;
+}
+
+static int
+ProcXF86VidModeModModeLine(ClientPtr client)
+{
+    REQUEST(xXF86VidModeModModeLineReq);
+    xXF86OldVidModeModModeLineReq *oldstuff =
+        (xXF86OldVidModeModModeLineReq *) client->requestBuffer;
+    xXF86VidModeModModeLineReq newstuff;
+    pointer mode, modetmp;
+    int len, dotClock;
+    int ver;
+
+    DEBUG_P("XF86VidModeModModeline");
+
+    ver = ClientMajorVersion(client);
+    if (ver < 2) {
+        /* convert from old format */
+        stuff = &newstuff;
+        stuff->length = oldstuff->length;
+        stuff->screen = oldstuff->screen;
+        stuff->hdisplay = oldstuff->hdisplay;
+        stuff->hsyncstart = oldstuff->hsyncstart;
+        stuff->hsyncend = oldstuff->hsyncend;
+        stuff->htotal = oldstuff->htotal;
+        stuff->hskew = 0;
+        stuff->vdisplay = oldstuff->vdisplay;
+        stuff->vsyncstart = oldstuff->vsyncstart;
+        stuff->vsyncend = oldstuff->vsyncend;
+        stuff->vtotal = oldstuff->vtotal;
+        stuff->flags = oldstuff->flags;
+        stuff->privsize = oldstuff->privsize;
+    }
+    if (xf86GetVerbosity() > DEFAULT_XF86VIDMODE_VERBOSITY) {
+        ErrorF("ModModeLine - scrn: %d hdsp: %d hbeg: %d hend: %d httl: %d\n",
+               (int) stuff->screen, stuff->hdisplay, stuff->hsyncstart,
+               stuff->hsyncend, stuff->htotal);
+        ErrorF("              vdsp: %d vbeg: %d vend: %d vttl: %d flags: %ld\n",
+               stuff->vdisplay, stuff->vsyncstart, stuff->vsyncend,
+               stuff->vtotal, (unsigned long) stuff->flags);
+    }
+
+    if (ver < 2) {
+        REQUEST_AT_LEAST_SIZE(xXF86OldVidModeModModeLineReq);
+        len =
+            client->req_len -
+            bytes_to_int32(sizeof(xXF86OldVidModeModModeLineReq));
+    }
+    else {
+        REQUEST_AT_LEAST_SIZE(xXF86VidModeModModeLineReq);
+        len =
+            client->req_len -
+            bytes_to_int32(sizeof(xXF86VidModeModModeLineReq));
+    }
+    if (len != stuff->privsize)
+        return BadLength;
+
+    if (stuff->hsyncstart < stuff->hdisplay ||
+        stuff->hsyncend < stuff->hsyncstart ||
+        stuff->htotal < stuff->hsyncend ||
+        stuff->vsyncstart < stuff->vdisplay ||
+        stuff->vsyncend < stuff->vsyncstart || stuff->vtotal < stuff->vsyncend)
+        return BadValue;
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    if (!VidModeGetCurrentModeline(stuff->screen, &mode, &dotClock))
+        return BadValue;
+
+    modetmp = VidModeCreateMode();
+    VidModeCopyMode(mode, modetmp);
+
+    VidModeSetModeValue(modetmp, VIDMODE_H_DISPLAY, stuff->hdisplay);
+    VidModeSetModeValue(modetmp, VIDMODE_H_SYNCSTART, stuff->hsyncstart);
+    VidModeSetModeValue(modetmp, VIDMODE_H_SYNCEND, stuff->hsyncend);
+    VidModeSetModeValue(modetmp, VIDMODE_H_TOTAL, stuff->htotal);
+    VidModeSetModeValue(modetmp, VIDMODE_H_SKEW, stuff->hskew);
+    VidModeSetModeValue(modetmp, VIDMODE_V_DISPLAY, stuff->vdisplay);
+    VidModeSetModeValue(modetmp, VIDMODE_V_SYNCSTART, stuff->vsyncstart);
+    VidModeSetModeValue(modetmp, VIDMODE_V_SYNCEND, stuff->vsyncend);
+    VidModeSetModeValue(modetmp, VIDMODE_V_TOTAL, stuff->vtotal);
+    VidModeSetModeValue(modetmp, VIDMODE_FLAGS, stuff->flags);
+
+    if (stuff->privsize)
+        ErrorF("ModModeLine - Privates in request have been ignored\n");
+
+    /* Check that the mode is consistent with the monitor specs */
+    switch (VidModeCheckModeForMonitor(stuff->screen, modetmp)) {
+    case MODE_OK:
+        break;
+    case MODE_HSYNC:
+    case MODE_H_ILLEGAL:
+        free(modetmp);
+        return VidModeErrorBase + XF86VidModeBadHTimings;
+    case MODE_VSYNC:
+    case MODE_V_ILLEGAL:
+        free(modetmp);
+        return VidModeErrorBase + XF86VidModeBadVTimings;
+    default:
+        free(modetmp);
+        return VidModeErrorBase + XF86VidModeModeUnsuitable;
+    }
+
+    /* Check that the driver is happy with the mode */
+    if (VidModeCheckModeForDriver(stuff->screen, modetmp) != MODE_OK) {
+        free(modetmp);
+        return VidModeErrorBase + XF86VidModeModeUnsuitable;
+    }
+    free(modetmp);
+
+    VidModeSetModeValue(mode, VIDMODE_H_DISPLAY, stuff->hdisplay);
+    VidModeSetModeValue(mode, VIDMODE_H_SYNCSTART, stuff->hsyncstart);
+    VidModeSetModeValue(mode, VIDMODE_H_SYNCEND, stuff->hsyncend);
+    VidModeSetModeValue(mode, VIDMODE_H_TOTAL, stuff->htotal);
+    VidModeSetModeValue(mode, VIDMODE_H_SKEW, stuff->hskew);
+    VidModeSetModeValue(mode, VIDMODE_V_DISPLAY, stuff->vdisplay);
+    VidModeSetModeValue(mode, VIDMODE_V_SYNCSTART, stuff->vsyncstart);
+    VidModeSetModeValue(mode, VIDMODE_V_SYNCEND, stuff->vsyncend);
+    VidModeSetModeValue(mode, VIDMODE_V_TOTAL, stuff->vtotal);
+    VidModeSetModeValue(mode, VIDMODE_FLAGS, stuff->flags);
+
+    VidModeSetCrtcForMode(stuff->screen, mode);
+    VidModeSwitchMode(stuff->screen, mode);
+
+    if (xf86GetVerbosity() > DEFAULT_XF86VIDMODE_VERBOSITY)
+        ErrorF("ModModeLine - Succeeded\n");
+    return Success;
+}
+
+static int
+ProcXF86VidModeValidateModeLine(ClientPtr client)
+{
+    REQUEST(xXF86VidModeValidateModeLineReq);
+    xXF86OldVidModeValidateModeLineReq *oldstuff =
+        (xXF86OldVidModeValidateModeLineReq *) client->requestBuffer;
+    xXF86VidModeValidateModeLineReq newstuff;
+    xXF86VidModeValidateModeLineReply rep;
+    pointer mode, modetmp = NULL;
+    int len, status, dotClock;
+    int ver;
+
+    DEBUG_P("XF86VidModeValidateModeline");
+
+    ver = ClientMajorVersion(client);
+    if (ver < 2) {
+        /* convert from old format */
+        stuff = &newstuff;
+        stuff->length = oldstuff->length;
+        stuff->screen = oldstuff->screen;
+        stuff->dotclock = oldstuff->dotclock;
+        stuff->hdisplay = oldstuff->hdisplay;
+        stuff->hsyncstart = oldstuff->hsyncstart;
+        stuff->hsyncend = oldstuff->hsyncend;
+        stuff->htotal = oldstuff->htotal;
+        stuff->hskew = 0;
+        stuff->vdisplay = oldstuff->vdisplay;
+        stuff->vsyncstart = oldstuff->vsyncstart;
+        stuff->vsyncend = oldstuff->vsyncend;
+        stuff->vtotal = oldstuff->vtotal;
+        stuff->flags = oldstuff->flags;
+        stuff->privsize = oldstuff->privsize;
+    }
+    if (xf86GetVerbosity() > DEFAULT_XF86VIDMODE_VERBOSITY) {
+        ErrorF("ValidateModeLine - scrn: %d clock: %ld\n",
+               (int) stuff->screen, (unsigned long) stuff->dotclock);
+        ErrorF("                   hdsp: %d hbeg: %d hend: %d httl: %d\n",
+               stuff->hdisplay, stuff->hsyncstart,
+               stuff->hsyncend, stuff->htotal);
+        ErrorF
+            ("                   vdsp: %d vbeg: %d vend: %d vttl: %d flags: %ld\n",
+             stuff->vdisplay, stuff->vsyncstart, stuff->vsyncend, stuff->vtotal,
+             (unsigned long) stuff->flags);
+    }
+
+    if (ver < 2) {
+        REQUEST_AT_LEAST_SIZE(xXF86OldVidModeValidateModeLineReq);
+        len = client->req_len -
+            bytes_to_int32(sizeof(xXF86OldVidModeValidateModeLineReq));
+    }
+    else {
+        REQUEST_AT_LEAST_SIZE(xXF86VidModeValidateModeLineReq);
+        len =
+            client->req_len -
+            bytes_to_int32(sizeof(xXF86VidModeValidateModeLineReq));
+    }
+    if (len != stuff->privsize)
+        return BadLength;
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    status = MODE_OK;
+
+    if (stuff->hsyncstart < stuff->hdisplay ||
+        stuff->hsyncend < stuff->hsyncstart ||
+        stuff->htotal < stuff->hsyncend ||
+        stuff->vsyncstart < stuff->vdisplay ||
+        stuff->vsyncend < stuff->vsyncstart ||
+        stuff->vtotal < stuff->vsyncend) {
+        status = MODE_BAD;
+        goto status_reply;
+    }
+
+    if (!VidModeGetCurrentModeline(stuff->screen, &mode, &dotClock))
+        return BadValue;
+
+    modetmp = VidModeCreateMode();
+    VidModeCopyMode(mode, modetmp);
+
+    VidModeSetModeValue(modetmp, VIDMODE_H_DISPLAY, stuff->hdisplay);
+    VidModeSetModeValue(modetmp, VIDMODE_H_SYNCSTART, stuff->hsyncstart);
+    VidModeSetModeValue(modetmp, VIDMODE_H_SYNCEND, stuff->hsyncend);
+    VidModeSetModeValue(modetmp, VIDMODE_H_TOTAL, stuff->htotal);
+    VidModeSetModeValue(modetmp, VIDMODE_H_SKEW, stuff->hskew);
+    VidModeSetModeValue(modetmp, VIDMODE_V_DISPLAY, stuff->vdisplay);
+    VidModeSetModeValue(modetmp, VIDMODE_V_SYNCSTART, stuff->vsyncstart);
+    VidModeSetModeValue(modetmp, VIDMODE_V_SYNCEND, stuff->vsyncend);
+    VidModeSetModeValue(modetmp, VIDMODE_V_TOTAL, stuff->vtotal);
+    VidModeSetModeValue(modetmp, VIDMODE_FLAGS, stuff->flags);
+    if (stuff->privsize)
+        ErrorF("ValidateModeLine - Privates in request have been ignored\n");
+
+    /* Check that the mode is consistent with the monitor specs */
+    if ((status =
+         VidModeCheckModeForMonitor(stuff->screen, modetmp)) != MODE_OK)
+        goto status_reply;
+
+    /* Check that the driver is happy with the mode */
+    status = VidModeCheckModeForDriver(stuff->screen, modetmp);
+
+ status_reply:
+    free(modetmp);
+
+    rep = (xXF86VidModeValidateModeLineReply) {
+        .type = X_Reply,
+        .sequenceNumber = client->sequence,
+        .length = bytes_to_int32(SIZEOF(xXF86VidModeValidateModeLineReply)
+                                 - SIZEOF(xGenericReply)),
+        .status = status
+    };
+    if (client->swapped) {
+        swaps(&rep.sequenceNumber);
+        swapl(&rep.length);
+        swapl(&rep.status);
+    }
+    WriteToClient(client, sizeof(xXF86VidModeValidateModeLineReply), &rep);
+    if (xf86GetVerbosity() > DEFAULT_XF86VIDMODE_VERBOSITY)
+        ErrorF("ValidateModeLine - Succeeded (status = %d)\n", status);
+    return Success;
+}
+
+static int
+ProcXF86VidModeSwitchMode(ClientPtr client)
+{
+    REQUEST(xXF86VidModeSwitchModeReq);
+
+    DEBUG_P("XF86VidModeSwitchMode");
+
+    REQUEST_SIZE_MATCH(xXF86VidModeSwitchModeReq);
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    VidModeZoomViewport(stuff->screen, (short) stuff->zoom);
+
+    return Success;
+}
+
+static int
+ProcXF86VidModeSwitchToMode(ClientPtr client)
+{
+    REQUEST(xXF86VidModeSwitchToModeReq);
+    xXF86OldVidModeSwitchToModeReq *oldstuff =
+        (xXF86OldVidModeSwitchToModeReq *) client->requestBuffer;
+    xXF86VidModeSwitchToModeReq newstuff;
+    pointer mode;
+    int len, dotClock;
+    int ver;
+
+    DEBUG_P("XF86VidModeSwitchToMode");
+
+    ver = ClientMajorVersion(client);
+    if (ver < 2) {
+        /* convert from old format */
+        stuff = &newstuff;
+        stuff->length = oldstuff->length;
+        stuff->screen = oldstuff->screen;
+        stuff->dotclock = oldstuff->dotclock;
+        stuff->hdisplay = oldstuff->hdisplay;
+        stuff->hsyncstart = oldstuff->hsyncstart;
+        stuff->hsyncend = oldstuff->hsyncend;
+        stuff->htotal = oldstuff->htotal;
+        stuff->hskew = 0;
+        stuff->vdisplay = oldstuff->vdisplay;
+        stuff->vsyncstart = oldstuff->vsyncstart;
+        stuff->vsyncend = oldstuff->vsyncend;
+        stuff->vtotal = oldstuff->vtotal;
+        stuff->flags = oldstuff->flags;
+        stuff->privsize = oldstuff->privsize;
+    }
+    if (xf86GetVerbosity() > DEFAULT_XF86VIDMODE_VERBOSITY) {
+        ErrorF("SwitchToMode - scrn: %d clock: %ld\n",
+               (int) stuff->screen, (unsigned long) stuff->dotclock);
+        ErrorF("               hdsp: %d hbeg: %d hend: %d httl: %d\n",
+               stuff->hdisplay, stuff->hsyncstart,
+               stuff->hsyncend, stuff->htotal);
+        ErrorF
+            ("               vdsp: %d vbeg: %d vend: %d vttl: %d flags: %ld\n",
+             stuff->vdisplay, stuff->vsyncstart, stuff->vsyncend, stuff->vtotal,
+             (unsigned long) stuff->flags);
+    }
+
+    if (ver < 2) {
+        REQUEST_AT_LEAST_SIZE(xXF86OldVidModeSwitchToModeReq);
+        len =
+            client->req_len -
+            bytes_to_int32(sizeof(xXF86OldVidModeSwitchToModeReq));
+    }
+    else {
+        REQUEST_AT_LEAST_SIZE(xXF86VidModeSwitchToModeReq);
+        len =
+            client->req_len -
+            bytes_to_int32(sizeof(xXF86VidModeSwitchToModeReq));
+    }
+    if (len != stuff->privsize)
+        return BadLength;
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    if (!VidModeGetCurrentModeline(stuff->screen, &mode, &dotClock))
+        return BadValue;
+
+    if ((VidModeGetDotClock(stuff->screen, stuff->dotclock) == dotClock)
+        && MODEMATCH(mode, stuff))
+        return Success;
+
+    if (!VidModeGetFirstModeline(stuff->screen, &mode, &dotClock))
+        return BadValue;
+
+    do {
+        if (xf86GetVerbosity() > DEFAULT_XF86VIDMODE_VERBOSITY) {
+            ErrorF("Checking against clock: %d (%d)\n",
+                   VidModeGetModeValue(mode, VIDMODE_CLOCK), dotClock);
+            ErrorF("                 hdsp: %d hbeg: %d hend: %d httl: %d\n",
+                   VidModeGetModeValue(mode, VIDMODE_H_DISPLAY),
+                   VidModeGetModeValue(mode, VIDMODE_H_SYNCSTART),
+                   VidModeGetModeValue(mode, VIDMODE_H_SYNCEND),
+                   VidModeGetModeValue(mode, VIDMODE_H_TOTAL));
+            ErrorF
+                ("                 vdsp: %d vbeg: %d vend: %d vttl: %d flags: %d\n",
+                 VidModeGetModeValue(mode, VIDMODE_V_DISPLAY),
+                 VidModeGetModeValue(mode, VIDMODE_V_SYNCSTART),
+                 VidModeGetModeValue(mode, VIDMODE_V_SYNCEND),
+                 VidModeGetModeValue(mode, VIDMODE_V_TOTAL),
+                 VidModeGetModeValue(mode, VIDMODE_FLAGS));
+        }
+        if ((VidModeGetDotClock(stuff->screen, stuff->dotclock) == dotClock) &&
+            MODEMATCH(mode, stuff)) {
+
+            if (!VidModeSwitchMode(stuff->screen, mode))
+                return BadValue;
+
+            if (xf86GetVerbosity() > DEFAULT_XF86VIDMODE_VERBOSITY)
+                ErrorF("SwitchToMode - Succeeded\n");
+            return Success;
+        }
+    } while (VidModeGetNextModeline(stuff->screen, &mode, &dotClock));
+
+    return BadValue;
+}
+
+static int
+ProcXF86VidModeLockModeSwitch(ClientPtr client)
+{
+    REQUEST(xXF86VidModeLockModeSwitchReq);
+
+    REQUEST_SIZE_MATCH(xXF86VidModeLockModeSwitchReq);
+
+    DEBUG_P("XF86VidModeLockModeSwitch");
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    if (!VidModeLockZoom(stuff->screen, (short) stuff->lock))
+        return VidModeErrorBase + XF86VidModeZoomLocked;
+
+    return Success;
+}
+
+static int
+ProcXF86VidModeGetMonitor(ClientPtr client)
+{
+    REQUEST(xXF86VidModeGetMonitorReq);
+    xXF86VidModeGetMonitorReply rep = {
+        .type = X_Reply,
+        .sequenceNumber = client->sequence
+    };
+    CARD32 *hsyncdata, *vsyncdata;
+    int i, nHsync, nVrefresh;
+    pointer monitor;
+
+    DEBUG_P("XF86VidModeGetMonitor");
+
+    REQUEST_SIZE_MATCH(xXF86VidModeGetMonitorReq);
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    if (!VidModeGetMonitor(stuff->screen, &monitor))
+        return BadValue;
+
+    nHsync = VidModeGetMonitorValue(monitor, VIDMODE_MON_NHSYNC, 0).i;
+    nVrefresh = VidModeGetMonitorValue(monitor, VIDMODE_MON_NVREFRESH, 0).i;
+
+    if ((char *) (VidModeGetMonitorValue(monitor, VIDMODE_MON_VENDOR, 0)).ptr)
+        rep.vendorLength = strlen((char *) (VidModeGetMonitorValue(monitor,
+                                                                   VIDMODE_MON_VENDOR,
+                                                                   0)).ptr);
+    else
+        rep.vendorLength = 0;
+    if ((char *) (VidModeGetMonitorValue(monitor, VIDMODE_MON_MODEL, 0)).ptr)
+        rep.modelLength = strlen((char *) (VidModeGetMonitorValue(monitor,
+                                                                  VIDMODE_MON_MODEL,
+                                                                  0)).ptr);
+    else
+        rep.modelLength = 0;
+    rep.length =
+        bytes_to_int32(SIZEOF(xXF86VidModeGetMonitorReply) -
+                       SIZEOF(xGenericReply) + (nHsync +
+                                                nVrefresh) * sizeof(CARD32) +
+                       pad_to_int32(rep.vendorLength) +
+                       pad_to_int32(rep.modelLength));
+    rep.nhsync = nHsync;
+    rep.nvsync = nVrefresh;
+    hsyncdata = malloc(nHsync * sizeof(CARD32));
+    if (!hsyncdata) {
+        return BadAlloc;
+    }
+    vsyncdata = malloc(nVrefresh * sizeof(CARD32));
+
+    if (!vsyncdata) {
+        free(hsyncdata);
+        return BadAlloc;
+    }
+
+    for (i = 0; i < nHsync; i++) {
+        hsyncdata[i] = (unsigned short) (VidModeGetMonitorValue(monitor,
+                                                                VIDMODE_MON_HSYNC_LO,
+                                                                i)).f |
+            (unsigned
+             short) (VidModeGetMonitorValue(monitor, VIDMODE_MON_HSYNC_HI,
+                                            i)).f << 16;
+    }
+    for (i = 0; i < nVrefresh; i++) {
+        vsyncdata[i] = (unsigned short) (VidModeGetMonitorValue(monitor,
+                                                                VIDMODE_MON_VREFRESH_LO,
+                                                                i)).f |
+            (unsigned
+             short) (VidModeGetMonitorValue(monitor, VIDMODE_MON_VREFRESH_HI,
+                                            i)).f << 16;
+    }
+
+    if (client->swapped) {
+        swaps(&rep.sequenceNumber);
+        swapl(&rep.length);
+    }
+    WriteToClient(client, SIZEOF(xXF86VidModeGetMonitorReply), &rep);
+    client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
+    WriteSwappedDataToClient(client, nHsync * sizeof(CARD32), hsyncdata);
+    WriteSwappedDataToClient(client, nVrefresh * sizeof(CARD32), vsyncdata);
+    if (rep.vendorLength)
+        WriteToClient(client, rep.vendorLength,
+                 (VidModeGetMonitorValue(monitor, VIDMODE_MON_VENDOR, 0)).ptr);
+    if (rep.modelLength)
+        WriteToClient(client, rep.modelLength,
+                 (VidModeGetMonitorValue(monitor, VIDMODE_MON_MODEL, 0)).ptr);
+
+    free(hsyncdata);
+    free(vsyncdata);
+
+    return Success;
+}
+
+static int
+ProcXF86VidModeGetViewPort(ClientPtr client)
+{
+    REQUEST(xXF86VidModeGetViewPortReq);
+    xXF86VidModeGetViewPortReply rep;
+    int x, y;
+
+    DEBUG_P("XF86VidModeGetViewPort");
+
+    REQUEST_SIZE_MATCH(xXF86VidModeGetViewPortReq);
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    VidModeGetViewPort(stuff->screen, &x, &y);
+
+    rep = (xXF86VidModeGetViewPortReply) {
+        .type = X_Reply,
+        .sequenceNumber = client->sequence,
+        .length = 0,
+        .x = x,
+        .y = y
+    };
+
+    if (client->swapped) {
+        swaps(&rep.sequenceNumber);
+        swapl(&rep.length);
+        swapl(&rep.x);
+        swapl(&rep.y);
+    }
+    WriteToClient(client, SIZEOF(xXF86VidModeGetViewPortReply), &rep);
+    return Success;
+}
+
+static int
+ProcXF86VidModeSetViewPort(ClientPtr client)
+{
+    REQUEST(xXF86VidModeSetViewPortReq);
+
+    DEBUG_P("XF86VidModeSetViewPort");
+
+    REQUEST_SIZE_MATCH(xXF86VidModeSetViewPortReq);
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    if (!VidModeSetViewPort(stuff->screen, stuff->x, stuff->y))
+        return BadValue;
+
+    return Success;
+}
+
+static int
+ProcXF86VidModeGetDotClocks(ClientPtr client)
+{
+    REQUEST(xXF86VidModeGetDotClocksReq);
+    xXF86VidModeGetDotClocksReply rep;
+    int n;
+    int numClocks;
+    CARD32 dotclock;
+    int *Clocks = NULL;
+    Bool ClockProg;
+
+    DEBUG_P("XF86VidModeGetDotClocks");
+
+    REQUEST_SIZE_MATCH(xXF86VidModeGetDotClocksReq);
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    numClocks = VidModeGetNumOfClocks(stuff->screen, &ClockProg);
+
+    rep = (xXF86VidModeGetDotClocksReply) {
+        .type = X_Reply,
+        .sequenceNumber = client->sequence,
+        .length = bytes_to_int32(SIZEOF(xXF86VidModeGetDotClocksReply)
+                                 - SIZEOF(xGenericReply) + numClocks),
+        .clocks = numClocks,
+        .maxclocks = MAXCLOCKS,
+        .flags = 0
+    };
+
+    if (!ClockProg) {
+        Clocks = calloc(numClocks, sizeof(int));
+        if (!Clocks)
+            return BadValue;
+        if (!VidModeGetClocks(stuff->screen, Clocks)) {
+            free(Clocks);
+            return BadValue;
+        }
+    }
+    if (ClockProg) {
+        rep.flags |= CLKFLAG_PROGRAMABLE;
+    }
+    if (client->swapped) {
+        swaps(&rep.sequenceNumber);
+        swapl(&rep.length);
+        swapl(&rep.clocks);
+        swapl(&rep.maxclocks);
+        swapl(&rep.flags);
+    }
+    WriteToClient(client, sizeof(xXF86VidModeGetDotClocksReply), &rep);
+    if (!ClockProg) {
+        for (n = 0; n < numClocks; n++) {
+            dotclock = *Clocks++;
+            if (client->swapped) {
+                WriteSwappedDataToClient(client, 4, (char *) &dotclock);
+            }
+            else {
+                WriteToClient(client, 4, &dotclock);
+            }
+        }
+    }
+
+    free(Clocks);
+    return Success;
+}
+
+static int
+ProcXF86VidModeSetGamma(ClientPtr client)
+{
+    REQUEST(xXF86VidModeSetGammaReq);
+
+    DEBUG_P("XF86VidModeSetGamma");
+
+    REQUEST_SIZE_MATCH(xXF86VidModeSetGammaReq);
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    if (!VidModeSetGamma(stuff->screen, ((float) stuff->red) / 10000.,
+                         ((float) stuff->green) / 10000.,
+                         ((float) stuff->blue) / 10000.))
+        return BadValue;
+
+    return Success;
+}
+
+static int
+ProcXF86VidModeGetGamma(ClientPtr client)
+{
+    REQUEST(xXF86VidModeGetGammaReq);
+    xXF86VidModeGetGammaReply rep;
+    float red, green, blue;
+
+    DEBUG_P("XF86VidModeGetGamma");
+
+    REQUEST_SIZE_MATCH(xXF86VidModeGetGammaReq);
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    if (!VidModeGetGamma(stuff->screen, &red, &green, &blue))
+        return BadValue;
+    rep = (xXF86VidModeGetGammaReply) {
+        .type = X_Reply,
+        .sequenceNumber = client->sequence,
+        .length = 0,
+        .red = (CARD32) (red * 10000.),
+        .green = (CARD32) (green * 10000.),
+        .blue = (CARD32) (blue * 10000.)
+    };
+    if (client->swapped) {
+        swaps(&rep.sequenceNumber);
+        swapl(&rep.length);
+        swapl(&rep.red);
+        swapl(&rep.green);
+        swapl(&rep.blue);
+    }
+    WriteToClient(client, sizeof(xXF86VidModeGetGammaReply), &rep);
+
+    return Success;
+}
+
+static int
+ProcXF86VidModeSetGammaRamp(ClientPtr client)
+{
+    CARD16 *r, *g, *b;
+    int length;
+
+    REQUEST(xXF86VidModeSetGammaRampReq);
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    if (stuff->size != VidModeGetGammaRampSize(stuff->screen))
+        return BadValue;
+
+    length = (stuff->size + 1) & ~1;
+
+    REQUEST_FIXED_SIZE(xXF86VidModeSetGammaRampReq, length * 6);
+
+    r = (CARD16 *) &stuff[1];
+    g = r + length;
+    b = g + length;
+
+    if (!VidModeSetGammaRamp(stuff->screen, stuff->size, r, g, b))
+        return BadValue;
+
+    return Success;
+}
+
+static int
+ProcXF86VidModeGetGammaRamp(ClientPtr client)
+{
+    CARD16 *ramp = NULL;
+    int length;
+    size_t ramplen = 0;
+    xXF86VidModeGetGammaRampReply rep;
+
+    REQUEST(xXF86VidModeGetGammaRampReq);
+
+    REQUEST_SIZE_MATCH(xXF86VidModeGetGammaRampReq);
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    if (stuff->size != VidModeGetGammaRampSize(stuff->screen))
+        return BadValue;
+
+    length = (stuff->size + 1) & ~1;
+
+    if (stuff->size) {
+        ramplen = length * 3 * sizeof(CARD16);
+        if (!(ramp = malloc(ramplen)))
+            return BadAlloc;
+
+        if (!VidModeGetGammaRamp(stuff->screen, stuff->size,
+                                 ramp, ramp + length, ramp + (length * 2))) {
+            free(ramp);
+            return BadValue;
+        }
+    }
+    rep = (xXF86VidModeGetGammaRampReply) {
+        .type = X_Reply,
+        .sequenceNumber = client->sequence,
+        .length = (length >> 1) * 3,
+        .size = stuff->size
+    };
+    if (client->swapped) {
+        swaps(&rep.sequenceNumber);
+        swapl(&rep.length);
+        swaps(&rep.size);
+        SwapShorts((short *) ramp, length * 3);
+    }
+    WriteToClient(client, sizeof(xXF86VidModeGetGammaRampReply), &rep);
+
+    if (stuff->size) {
+        WriteToClient(client, ramplen, ramp);
+        free(ramp);
+    }
+
+    return Success;
+}
+
+static int
+ProcXF86VidModeGetGammaRampSize(ClientPtr client)
+{
+    xXF86VidModeGetGammaRampSizeReply rep;
+
+    REQUEST(xXF86VidModeGetGammaRampSizeReq);
+
+    REQUEST_SIZE_MATCH(xXF86VidModeGetGammaRampSizeReq);
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    rep = (xXF86VidModeGetGammaRampSizeReply) {
+        .type = X_Reply,
+        .sequenceNumber = client->sequence,
+        .length = 0,
+        .size = VidModeGetGammaRampSize(stuff->screen)
+    };
+    if (client->swapped) {
+        swaps(&rep.sequenceNumber);
+        swapl(&rep.length);
+        swaps(&rep.size);
+    }
+    WriteToClient(client, sizeof(xXF86VidModeGetGammaRampSizeReply), &rep);
+
+    return Success;
+}
+
+static int
+ProcXF86VidModeGetPermissions(ClientPtr client)
+{
+    xXF86VidModeGetPermissionsReply rep =  {
+        .type = X_Reply,
+        .sequenceNumber = client->sequence,
+        .length = 0,
+        .permissions = XF86VM_READ_PERMISSION
+    };
+
+    REQUEST(xXF86VidModeGetPermissionsReq);
+
+    REQUEST_SIZE_MATCH(xXF86VidModeGetPermissionsReq);
+
+    if (stuff->screen >= screenInfo.numScreens)
+        return BadValue;
+
+    if (xf86GetVidModeEnabled() &&
+        (xf86GetVidModeAllowNonLocal() || LocalClient(client))) {
+        rep.permissions |= XF86VM_WRITE_PERMISSION;
+    }
+    if (client->swapped) {
+        swaps(&rep.sequenceNumber);
+        swapl(&rep.length);
+        swapl(&rep.permissions);
+    }
+    WriteToClient(client, sizeof(xXF86VidModeGetPermissionsReply), &rep);
+
+    return Success;
+}
+
+static int
+ProcXF86VidModeSetClientVersion(ClientPtr client)
+{
+    REQUEST(xXF86VidModeSetClientVersionReq);
+
+    VidModePrivPtr pPriv;
+
+    DEBUG_P("XF86VidModeSetClientVersion");
+
+    REQUEST_SIZE_MATCH(xXF86VidModeSetClientVersionReq);
+
+    if ((pPriv = VM_GETPRIV(client)) == NULL) {
+        pPriv = malloc(sizeof(VidModePrivRec));
+        if (!pPriv)
+            return BadAlloc;
+        VM_SETPRIV(client, pPriv);
+    }
+    pPriv->major = stuff->major;
+
+    pPriv->minor = stuff->minor;
+
+    return Success;
+}
+
+static int
+ProcXF86VidModeDispatch(ClientPtr client)
+{
+    REQUEST(xReq);
+    switch (stuff->data) {
+    case X_XF86VidModeQueryVersion:
+        return ProcXF86VidModeQueryVersion(client);
+    case X_XF86VidModeGetModeLine:
+        return ProcXF86VidModeGetModeLine(client);
+    case X_XF86VidModeGetMonitor:
+        return ProcXF86VidModeGetMonitor(client);
+    case X_XF86VidModeGetAllModeLines:
+        return ProcXF86VidModeGetAllModeLines(client);
+    case X_XF86VidModeValidateModeLine:
+        return ProcXF86VidModeValidateModeLine(client);
+    case X_XF86VidModeGetViewPort:
+        return ProcXF86VidModeGetViewPort(client);
+    case X_XF86VidModeGetDotClocks:
+        return ProcXF86VidModeGetDotClocks(client);
+    case X_XF86VidModeSetClientVersion:
+        return ProcXF86VidModeSetClientVersion(client);
+    case X_XF86VidModeGetGamma:
+        return ProcXF86VidModeGetGamma(client);
+    case X_XF86VidModeGetGammaRamp:
+        return ProcXF86VidModeGetGammaRamp(client);
+    case X_XF86VidModeGetGammaRampSize:
+        return ProcXF86VidModeGetGammaRampSize(client);
+    case X_XF86VidModeGetPermissions:
+        return ProcXF86VidModeGetPermissions(client);
+    default:
+        if (!xf86GetVidModeEnabled())
+            return VidModeErrorBase + XF86VidModeExtensionDisabled;
+        if (xf86GetVidModeAllowNonLocal() || LocalClient(client)) {
+            switch (stuff->data) {
+            case X_XF86VidModeAddModeLine:
+                return ProcXF86VidModeAddModeLine(client);
+            case X_XF86VidModeDeleteModeLine:
+                return ProcXF86VidModeDeleteModeLine(client);
+            case X_XF86VidModeModModeLine:
+                return ProcXF86VidModeModModeLine(client);
+            case X_XF86VidModeSwitchMode:
+                return ProcXF86VidModeSwitchMode(client);
+            case X_XF86VidModeSwitchToMode:
+                return ProcXF86VidModeSwitchToMode(client);
+            case X_XF86VidModeLockModeSwitch:
+                return ProcXF86VidModeLockModeSwitch(client);
+            case X_XF86VidModeSetViewPort:
+                return ProcXF86VidModeSetViewPort(client);
+            case X_XF86VidModeSetGamma:
+                return ProcXF86VidModeSetGamma(client);
+            case X_XF86VidModeSetGammaRamp:
+                return ProcXF86VidModeSetGammaRamp(client);
+            default:
+                return BadRequest;
+            }
+        }
+        else
+            return VidModeErrorBase + XF86VidModeClientNotLocal;
+    }
+}
+
+static int
+SProcXF86VidModeQueryVersion(ClientPtr client)
+{
+    REQUEST(xXF86VidModeQueryVersionReq);
+    swaps(&stuff->length);
+    return ProcXF86VidModeQueryVersion(client);
+}
+
+static int
+SProcXF86VidModeGetModeLine(ClientPtr client)
+{
+    REQUEST(xXF86VidModeGetModeLineReq);
+    swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xXF86VidModeGetModeLineReq);
+    swaps(&stuff->screen);
+    return ProcXF86VidModeGetModeLine(client);
+}
+
+static int
+SProcXF86VidModeGetAllModeLines(ClientPtr client)
+{
+    REQUEST(xXF86VidModeGetAllModeLinesReq);
+    swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xXF86VidModeGetAllModeLinesReq);
+    swaps(&stuff->screen);
+    return ProcXF86VidModeGetAllModeLines(client);
+}
+
+static int
+SProcXF86VidModeAddModeLine(ClientPtr client)
+{
+    xXF86OldVidModeAddModeLineReq *oldstuff =
+        (xXF86OldVidModeAddModeLineReq *) client->requestBuffer;
+    int ver;
+
+    REQUEST(xXF86VidModeAddModeLineReq);
+    ver = ClientMajorVersion(client);
+    if (ver < 2) {
+        swaps(&oldstuff->length);
+        REQUEST_AT_LEAST_SIZE(xXF86OldVidModeAddModeLineReq);
+        swapl(&oldstuff->screen);
+        swaps(&oldstuff->hdisplay);
+        swaps(&oldstuff->hsyncstart);
+        swaps(&oldstuff->hsyncend);
+        swaps(&oldstuff->htotal);
+        swaps(&oldstuff->vdisplay);
+        swaps(&oldstuff->vsyncstart);
+        swaps(&oldstuff->vsyncend);
+        swaps(&oldstuff->vtotal);
+        swapl(&oldstuff->flags);
+        swapl(&oldstuff->privsize);
+        SwapRestL(oldstuff);
+    }
+    else {
+        swaps(&stuff->length);
+        REQUEST_AT_LEAST_SIZE(xXF86VidModeAddModeLineReq);
+        swapl(&stuff->screen);
+        swaps(&stuff->hdisplay);
+        swaps(&stuff->hsyncstart);
+        swaps(&stuff->hsyncend);
+        swaps(&stuff->htotal);
+        swaps(&stuff->hskew);
+        swaps(&stuff->vdisplay);
+        swaps(&stuff->vsyncstart);
+        swaps(&stuff->vsyncend);
+        swaps(&stuff->vtotal);
+        swapl(&stuff->flags);
+        swapl(&stuff->privsize);
+        SwapRestL(stuff);
+    }
+    return ProcXF86VidModeAddModeLine(client);
+}
+
+static int
+SProcXF86VidModeDeleteModeLine(ClientPtr client)
+{
+    xXF86OldVidModeDeleteModeLineReq *oldstuff =
+        (xXF86OldVidModeDeleteModeLineReq *) client->requestBuffer;
+    int ver;
+
+    REQUEST(xXF86VidModeDeleteModeLineReq);
+    ver = ClientMajorVersion(client);
+    if (ver < 2) {
+        swaps(&oldstuff->length);
+        REQUEST_AT_LEAST_SIZE(xXF86OldVidModeDeleteModeLineReq);
+        swapl(&oldstuff->screen);
+        swaps(&oldstuff->hdisplay);
+        swaps(&oldstuff->hsyncstart);
+        swaps(&oldstuff->hsyncend);
+        swaps(&oldstuff->htotal);
+        swaps(&oldstuff->vdisplay);
+        swaps(&oldstuff->vsyncstart);
+        swaps(&oldstuff->vsyncend);
+        swaps(&oldstuff->vtotal);
+        swapl(&oldstuff->flags);
+        swapl(&oldstuff->privsize);
+        SwapRestL(oldstuff);
+    }
+    else {
+        swaps(&stuff->length);
+        REQUEST_AT_LEAST_SIZE(xXF86VidModeDeleteModeLineReq);
+        swapl(&stuff->screen);
+        swaps(&stuff->hdisplay);
+        swaps(&stuff->hsyncstart);
+        swaps(&stuff->hsyncend);
+        swaps(&stuff->htotal);
+        swaps(&stuff->hskew);
+        swaps(&stuff->vdisplay);
+        swaps(&stuff->vsyncstart);
+        swaps(&stuff->vsyncend);
+        swaps(&stuff->vtotal);
+        swapl(&stuff->flags);
+        swapl(&stuff->privsize);
+        SwapRestL(stuff);
+    }
+    return ProcXF86VidModeDeleteModeLine(client);
+}
+
+static int
+SProcXF86VidModeModModeLine(ClientPtr client)
+{
+    xXF86OldVidModeModModeLineReq *oldstuff =
+        (xXF86OldVidModeModModeLineReq *) client->requestBuffer;
+    int ver;
+
+    REQUEST(xXF86VidModeModModeLineReq);
+    ver = ClientMajorVersion(client);
+    if (ver < 2) {
+        swaps(&oldstuff->length);
+        REQUEST_AT_LEAST_SIZE(xXF86OldVidModeModModeLineReq);
+        swapl(&oldstuff->screen);
+        swaps(&oldstuff->hdisplay);
+        swaps(&oldstuff->hsyncstart);
+        swaps(&oldstuff->hsyncend);
+        swaps(&oldstuff->htotal);
+        swaps(&oldstuff->vdisplay);
+        swaps(&oldstuff->vsyncstart);
+        swaps(&oldstuff->vsyncend);
+        swaps(&oldstuff->vtotal);
+        swapl(&oldstuff->flags);
+        swapl(&oldstuff->privsize);
+        SwapRestL(oldstuff);
+    }
+    else {
+        swaps(&stuff->length);
+        REQUEST_AT_LEAST_SIZE(xXF86VidModeModModeLineReq);
+        swapl(&stuff->screen);
+        swaps(&stuff->hdisplay);
+        swaps(&stuff->hsyncstart);
+        swaps(&stuff->hsyncend);
+        swaps(&stuff->htotal);
+        swaps(&stuff->hskew);
+        swaps(&stuff->vdisplay);
+        swaps(&stuff->vsyncstart);
+        swaps(&stuff->vsyncend);
+        swaps(&stuff->vtotal);
+        swapl(&stuff->flags);
+        swapl(&stuff->privsize);
+        SwapRestL(stuff);
+    }
+    return ProcXF86VidModeModModeLine(client);
+}
+
+static int
+SProcXF86VidModeValidateModeLine(ClientPtr client)
+{
+    xXF86OldVidModeValidateModeLineReq *oldstuff =
+        (xXF86OldVidModeValidateModeLineReq *) client->requestBuffer;
+    int ver;
+
+    REQUEST(xXF86VidModeValidateModeLineReq);
+    ver = ClientMajorVersion(client);
+    if (ver < 2) {
+        swaps(&oldstuff->length);
+        REQUEST_AT_LEAST_SIZE(xXF86OldVidModeValidateModeLineReq);
+        swapl(&oldstuff->screen);
+        swaps(&oldstuff->hdisplay);
+        swaps(&oldstuff->hsyncstart);
+        swaps(&oldstuff->hsyncend);
+        swaps(&oldstuff->htotal);
+        swaps(&oldstuff->vdisplay);
+        swaps(&oldstuff->vsyncstart);
+        swaps(&oldstuff->vsyncend);
+        swaps(&oldstuff->vtotal);
+        swapl(&oldstuff->flags);
+        swapl(&oldstuff->privsize);
+        SwapRestL(oldstuff);
+    }
+    else {
+        swaps(&stuff->length);
+        REQUEST_AT_LEAST_SIZE(xXF86VidModeValidateModeLineReq);
+        swapl(&stuff->screen);
+        swaps(&stuff->hdisplay);
+        swaps(&stuff->hsyncstart);
+        swaps(&stuff->hsyncend);
+        swaps(&stuff->htotal);
+        swaps(&stuff->hskew);
+        swaps(&stuff->vdisplay);
+        swaps(&stuff->vsyncstart);
+        swaps(&stuff->vsyncend);
+        swaps(&stuff->vtotal);
+        swapl(&stuff->flags);
+        swapl(&stuff->privsize);
+        SwapRestL(stuff);
+    }
+    return ProcXF86VidModeValidateModeLine(client);
+}
+
+static int
+SProcXF86VidModeSwitchMode(ClientPtr client)
+{
+    REQUEST(xXF86VidModeSwitchModeReq);
+    swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xXF86VidModeSwitchModeReq);
+    swaps(&stuff->screen);
+    swaps(&stuff->zoom);
+    return ProcXF86VidModeSwitchMode(client);
+}
+
+static int
+SProcXF86VidModeSwitchToMode(ClientPtr client)
+{
+    REQUEST(xXF86VidModeSwitchToModeReq);
+    swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xXF86VidModeSwitchToModeReq);
+    swapl(&stuff->screen);
+    return ProcXF86VidModeSwitchToMode(client);
+}
+
+static int
+SProcXF86VidModeLockModeSwitch(ClientPtr client)
+{
+    REQUEST(xXF86VidModeLockModeSwitchReq);
+    swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xXF86VidModeLockModeSwitchReq);
+    swaps(&stuff->screen);
+    swaps(&stuff->lock);
+    return ProcXF86VidModeLockModeSwitch(client);
+}
+
+static int
+SProcXF86VidModeGetMonitor(ClientPtr client)
+{
+    REQUEST(xXF86VidModeGetMonitorReq);
+    swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xXF86VidModeGetMonitorReq);
+    swaps(&stuff->screen);
+    return ProcXF86VidModeGetMonitor(client);
+}
+
+static int
+SProcXF86VidModeGetViewPort(ClientPtr client)
+{
+    REQUEST(xXF86VidModeGetViewPortReq);
+    swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xXF86VidModeGetViewPortReq);
+    swaps(&stuff->screen);
+    return ProcXF86VidModeGetViewPort(client);
+}
+
+static int
+SProcXF86VidModeSetViewPort(ClientPtr client)
+{
+    REQUEST(xXF86VidModeSetViewPortReq);
+    swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xXF86VidModeSetViewPortReq);
+    swaps(&stuff->screen);
+    swapl(&stuff->x);
+    swapl(&stuff->y);
+    return ProcXF86VidModeSetViewPort(client);
+}
+
+static int
+SProcXF86VidModeGetDotClocks(ClientPtr client)
+{
+    REQUEST(xXF86VidModeGetDotClocksReq);
+    swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xXF86VidModeGetDotClocksReq);
+    swaps(&stuff->screen);
+    return ProcXF86VidModeGetDotClocks(client);
+}
+
+static int
+SProcXF86VidModeSetClientVersion(ClientPtr client)
+{
+    REQUEST(xXF86VidModeSetClientVersionReq);
+    swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xXF86VidModeSetClientVersionReq);
+    swaps(&stuff->major);
+    swaps(&stuff->minor);
+    return ProcXF86VidModeSetClientVersion(client);
+}
+
+static int
+SProcXF86VidModeSetGamma(ClientPtr client)
+{
+    REQUEST(xXF86VidModeSetGammaReq);
+    swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xXF86VidModeSetGammaReq);
+    swaps(&stuff->screen);
+    swapl(&stuff->red);
+    swapl(&stuff->green);
+    swapl(&stuff->blue);
+    return ProcXF86VidModeSetGamma(client);
+}
+
+static int
+SProcXF86VidModeGetGamma(ClientPtr client)
+{
+    REQUEST(xXF86VidModeGetGammaReq);
+    swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xXF86VidModeGetGammaReq);
+    swaps(&stuff->screen);
+    return ProcXF86VidModeGetGamma(client);
+}
+
+static int
+SProcXF86VidModeSetGammaRamp(ClientPtr client)
+{
+    int length;
+
+    REQUEST(xXF86VidModeSetGammaRampReq);
+    swaps(&stuff->length);
+    REQUEST_AT_LEAST_SIZE(xXF86VidModeSetGammaRampReq);
+    swaps(&stuff->size);
+    swaps(&stuff->screen);
+    length = ((stuff->size + 1) & ~1) * 6;
+    REQUEST_FIXED_SIZE(xXF86VidModeSetGammaRampReq, length);
+    SwapRestS(stuff);
+    return ProcXF86VidModeSetGammaRamp(client);
+}
+
+static int
+SProcXF86VidModeGetGammaRamp(ClientPtr client)
+{
+    REQUEST(xXF86VidModeGetGammaRampReq);
+    swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xXF86VidModeGetGammaRampReq);
+    swaps(&stuff->size);
+    swaps(&stuff->screen);
+    return ProcXF86VidModeGetGammaRamp(client);
+}
+
+static int
+SProcXF86VidModeGetGammaRampSize(ClientPtr client)
+{
+    REQUEST(xXF86VidModeGetGammaRampSizeReq);
+    swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xXF86VidModeGetGammaRampSizeReq);
+    swaps(&stuff->screen);
+    return ProcXF86VidModeGetGammaRampSize(client);
+}
+
+static int
+SProcXF86VidModeGetPermissions(ClientPtr client)
+{
+    REQUEST(xXF86VidModeGetPermissionsReq);
+    swaps(&stuff->length);
+    REQUEST_SIZE_MATCH(xXF86VidModeGetPermissionsReq);
+    swaps(&stuff->screen);
+    return ProcXF86VidModeGetPermissions(client);
+}
+
+static int
+SProcXF86VidModeDispatch(ClientPtr client)
+{
+    REQUEST(xReq);
+    switch (stuff->data) {
+    case X_XF86VidModeQueryVersion:
+        return SProcXF86VidModeQueryVersion(client);
+    case X_XF86VidModeGetModeLine:
+        return SProcXF86VidModeGetModeLine(client);
+    case X_XF86VidModeGetMonitor:
+        return SProcXF86VidModeGetMonitor(client);
+    case X_XF86VidModeGetAllModeLines:
+        return SProcXF86VidModeGetAllModeLines(client);
+    case X_XF86VidModeGetViewPort:
+        return SProcXF86VidModeGetViewPort(client);
+    case X_XF86VidModeValidateModeLine:
+        return SProcXF86VidModeValidateModeLine(client);
+    case X_XF86VidModeGetDotClocks:
+        return SProcXF86VidModeGetDotClocks(client);
+    case X_XF86VidModeSetClientVersion:
+        return SProcXF86VidModeSetClientVersion(client);
+    case X_XF86VidModeGetGamma:
+        return SProcXF86VidModeGetGamma(client);
+    case X_XF86VidModeGetGammaRamp:
+        return SProcXF86VidModeGetGammaRamp(client);
+    case X_XF86VidModeGetGammaRampSize:
+        return SProcXF86VidModeGetGammaRampSize(client);
+    case X_XF86VidModeGetPermissions:
+        return SProcXF86VidModeGetPermissions(client);
+    default:
+        if (!xf86GetVidModeEnabled())
+            return VidModeErrorBase + XF86VidModeExtensionDisabled;
+        if (xf86GetVidModeAllowNonLocal() || LocalClient(client)) {
+            switch (stuff->data) {
+            case X_XF86VidModeAddModeLine:
+                return SProcXF86VidModeAddModeLine(client);
+            case X_XF86VidModeDeleteModeLine:
+                return SProcXF86VidModeDeleteModeLine(client);
+            case X_XF86VidModeModModeLine:
+                return SProcXF86VidModeModModeLine(client);
+            case X_XF86VidModeSwitchMode:
+                return SProcXF86VidModeSwitchMode(client);
+            case X_XF86VidModeSwitchToMode:
+                return SProcXF86VidModeSwitchToMode(client);
+            case X_XF86VidModeLockModeSwitch:
+                return SProcXF86VidModeLockModeSwitch(client);
+            case X_XF86VidModeSetViewPort:
+                return SProcXF86VidModeSetViewPort(client);
+            case X_XF86VidModeSetGamma:
+                return SProcXF86VidModeSetGamma(client);
+            case X_XF86VidModeSetGammaRamp:
+                return SProcXF86VidModeSetGammaRamp(client);
+            default:
+                return BadRequest;
+            }
+        }
+        else
+            return VidModeErrorBase + XF86VidModeClientNotLocal;
+    }
+}
+
+void
+XFree86VidModeExtensionInit(void)
+{
+    ExtensionEntry *extEntry;
+    ScreenPtr pScreen;
+    int i;
+    Bool enabled = FALSE;
+
+    DEBUG_P("XFree86VidModeExtensionInit");
+
+    if (!dixRegisterPrivateKey(&VidModeClientPrivateKeyRec, PRIVATE_CLIENT, 0))
+        return;
+#ifdef XF86VIDMODE_EVENTS
+    if (!dixRegisterPrivateKey(&ScreenPrivateKeyRec, PRIVATE_SCREEN, 0))
+        return;
+#endif
+
+#ifdef XF86VIDMODE_EVENTS
+    EventType = CreateNewResourceType(XF86VidModeFreeEvents, "VidModeEvent");
+#endif
+
+    for (i = 0; i < screenInfo.numScreens; i++) {
+        pScreen = screenInfo.screens[i];
+        if (VidModeExtensionInit(pScreen))
+            enabled = TRUE;
+    }
+    /* This means that the DDX doesn't want the vidmode extension enabled */
+    if (!enabled)
+        return;
+
+    if (
+#ifdef XF86VIDMODE_EVENTS
+           EventType &&
+#endif
+           (extEntry = AddExtension(XF86VIDMODENAME,
+                                    XF86VidModeNumberEvents,
+                                    XF86VidModeNumberErrors,
+                                    ProcXF86VidModeDispatch,
+                                    SProcXF86VidModeDispatch,
+                                    NULL, StandardMinorOpcode))) {
+#if 0
+        XF86VidModeReqCode = (unsigned char) extEntry->base;
+#endif
+        VidModeErrorBase = extEntry->errorBase;
+#ifdef XF86VIDMODE_EVENTS
+        XF86VidModeEventBase = extEntry->eventBase;
+        EventSwapVector[XF86VidModeEventBase] =
+            (EventSwapPtr) SXF86VidModeNotifyEvent;
+#endif
+    }
+}