Merge branch 'nx-X11'

1 files changed, 1030 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/randr/rrscreen.c b/nx-X11/programs/Xserver/randr/rrscreen.c
new file mode 100644
index 000000000..9b3935e03
--- /dev/null
+++ b/nx-X11/programs/Xserver/randr/rrscreen.c
@@ -0,0 +1,1030 @@
+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NX-X11, NX protocol compression and NX extensions to this software     */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include "randrstr.h"
+
+extern char	*ConnectionInfo;
+
+static int padlength[4] = {0, 3, 2, 1};
+
+static CARD16
+RR10CurrentSizeID (ScreenPtr pScreen);
+
+/*
+ * Edit connection information block so that new clients
+ * see the current screen size on connect
+ */
+static void
+RREditConnectionInfo (ScreenPtr pScreen)
+{
+    xConnSetup	    *connSetup;
+    char	    *vendor;
+    xPixmapFormat   *formats;
+    xWindowRoot	    *root;
+    xDepth	    *depth;
+    xVisualType	    *visual;
+    int		    screen = 0;
+    int		    d;
+
+    connSetup = (xConnSetup *) ConnectionInfo;
+    vendor = (char *) connSetup + sizeof (xConnSetup);
+    formats = (xPixmapFormat *) ((char *) vendor +
+				 connSetup->nbytesVendor +
+				 padlength[connSetup->nbytesVendor & 3]);
+    root = (xWindowRoot *) ((char *) formats +
+			    sizeof (xPixmapFormat) * screenInfo.numPixmapFormats);
+    while (screen != pScreen->myNum)
+    {
+	depth = (xDepth *) ((char *) root + 
+			    sizeof (xWindowRoot));
+	for (d = 0; d < root->nDepths; d++)
+	{
+	    visual = (xVisualType *) ((char *) depth +
+				      sizeof (xDepth));
+	    depth = (xDepth *) ((char *) visual +
+				depth->nVisuals * sizeof (xVisualType));
+	}
+	root = (xWindowRoot *) ((char *) depth);
+	screen++;
+    }
+    root->pixWidth = pScreen->width;
+    root->pixHeight = pScreen->height;
+    root->mmWidth = pScreen->mmWidth;
+    root->mmHeight = pScreen->mmHeight;
+}
+
+void
+RRSendConfigNotify (ScreenPtr pScreen)
+{
+    WindowPtr	pWin = WindowTable[pScreen->myNum];
+    xEvent	event;
+
+    event.u.u.type = ConfigureNotify;
+    event.u.configureNotify.window = pWin->drawable.id;
+    event.u.configureNotify.aboveSibling = None;
+    event.u.configureNotify.x = 0;
+    event.u.configureNotify.y = 0;
+
+    /* XXX xinerama stuff ? */
+    
+    event.u.configureNotify.width = pWin->drawable.width;
+    event.u.configureNotify.height = pWin->drawable.height;
+    event.u.configureNotify.borderWidth = wBorderWidth (pWin);
+    event.u.configureNotify.override = pWin->overrideRedirect;
+    DeliverEvents(pWin, &event, 1, NullWindow);
+}
+
+void
+RRDeliverScreenEvent (ClientPtr client, WindowPtr pWin, ScreenPtr pScreen)
+{
+    rrScrPriv (pScreen);
+    xRRScreenChangeNotifyEvent	se;
+    RRCrtcPtr	crtc = pScrPriv->numCrtcs ? pScrPriv->crtcs[0] : NULL;
+    WindowPtr	pRoot = WindowTable[pScreen->myNum];
+    
+    se.type = RRScreenChangeNotify + RREventBase;
+    se.rotation = (CARD8) (crtc ? crtc->rotation : RR_Rotate_0);
+    se.timestamp = pScrPriv->lastSetTime.milliseconds;
+    se.sequenceNumber = client->sequence;
+    se.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+    se.root =  pRoot->drawable.id;
+    se.window = pWin->drawable.id;
+#ifdef RENDER
+    se.subpixelOrder = PictureGetSubpixelOrder (pScreen);
+#else
+    se.subpixelOrder = SubPixelUnknown;
+#endif
+
+    se.sequenceNumber = client->sequence;
+    se.sizeID = RR10CurrentSizeID (pScreen);
+
+    if (se.rotation & (RR_Rotate_90 | RR_Rotate_270)) {
+	se.widthInPixels = pScreen->height;
+	se.heightInPixels = pScreen->width;
+	se.widthInMillimeters = pScreen->mmHeight;
+	se.heightInMillimeters = pScreen->mmWidth;
+    } else {
+	se.widthInPixels = pScreen->width;
+	se.heightInPixels = pScreen->height;
+	se.widthInMillimeters = pScreen->mmWidth;
+	se.heightInMillimeters = pScreen->mmHeight;
+    }
+
+    WriteEventsToClient (client, 1, (xEvent *) &se);
+}
+
+/*
+ * Notify the extension that the screen size has been changed.
+ * The driver is responsible for calling this whenever it has changed
+ * the size of the screen
+ */
+void
+RRScreenSizeNotify (ScreenPtr	pScreen)
+{
+    rrScrPriv(pScreen);
+    /*
+     * Deliver ConfigureNotify events when root changes
+     * pixel size
+     */
+    if (pScrPriv->width == pScreen->width &&
+	pScrPriv->height == pScreen->height &&
+	pScrPriv->mmWidth == pScreen->mmWidth &&
+	pScrPriv->mmHeight == pScreen->mmHeight)
+	return;
+    
+    pScrPriv->width = pScreen->width;
+    pScrPriv->height = pScreen->height;
+    pScrPriv->mmWidth = pScreen->mmWidth;
+    pScrPriv->mmHeight = pScreen->mmHeight;
+    pScrPriv->changed = TRUE;
+/*    pScrPriv->sizeChanged = TRUE; */
+
+    RRTellChanged (pScreen);
+    RRSendConfigNotify (pScreen);
+    RREditConnectionInfo (pScreen);
+    
+    RRPointerScreenConfigured (pScreen);
+    /*
+     * Fix pointer bounds and location
+     */
+    ScreenRestructured (pScreen);
+}
+
+/*
+ * Request that the screen be resized
+ */
+Bool
+RRScreenSizeSet (ScreenPtr  pScreen,
+		 CARD16	    width,
+		 CARD16	    height,
+		 CARD32	    mmWidth,
+		 CARD32	    mmHeight)
+{
+    rrScrPriv(pScreen);
+
+#if RANDR_12_INTERFACE
+    if (pScrPriv->rrScreenSetSize)
+    {
+	return (*pScrPriv->rrScreenSetSize) (pScreen,
+					     width, height,
+					     mmWidth, mmHeight);
+    }
+#endif
+#if RANDR_10_INTERFACE
+    if (pScrPriv->rrSetConfig)
+    {
+	return TRUE;	/* can't set size separately */
+    }
+#endif
+    return FALSE;
+}
+
+/*
+ * Retrieve valid screen size range
+ */
+int 
+ProcRRGetScreenSizeRange (ClientPtr client)
+{
+    REQUEST(xRRGetScreenSizeRangeReq);
+    xRRGetScreenSizeRangeReply	rep;
+    WindowPtr			pWin;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    int				rc;
+    
+    REQUEST_SIZE_MATCH(xRRGetScreenInfoReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    rep.type = X_Reply;
+    rep.pad = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.length = 0;
+    
+    if (pScrPriv) 
+    {
+	if (!RRGetInfo (pScreen))
+	    return BadAlloc;
+	rep.minWidth  = pScrPriv->minWidth;
+	rep.minHeight = pScrPriv->minHeight;
+	rep.maxWidth  = pScrPriv->maxWidth;
+	rep.maxHeight = pScrPriv->maxHeight;
+    }
+    else
+    {
+	rep.maxWidth  = rep.minWidth  = pScreen->width;
+	rep.maxHeight = rep.minHeight = pScreen->height;
+    }
+    if (client->swapped) 
+    {
+	int n;
+	
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swaps(&rep.minWidth, n);
+	swaps(&rep.minHeight, n);
+	swaps(&rep.maxWidth, n);
+	swaps(&rep.maxHeight, n);
+    }
+    WriteToClient(client, sizeof(xRRGetScreenSizeRangeReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+int
+ProcRRSetScreenSize (ClientPtr client)
+{
+    REQUEST(xRRSetScreenSizeReq);
+    WindowPtr		pWin;
+    ScreenPtr		pScreen;
+    rrScrPrivPtr	pScrPriv;
+    int			i, rc;
+    
+    REQUEST_SIZE_MATCH(xRRSetScreenSizeReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    if (stuff->width < pScrPriv->minWidth || pScrPriv->maxWidth < stuff->width)
+    {
+	client->errorValue = stuff->width;
+	return BadValue;
+    }
+    if (stuff->height < pScrPriv->minHeight || 
+	pScrPriv->maxHeight < stuff->height)
+    {
+	client->errorValue = stuff->height;
+	return BadValue;
+    }
+    for (i = 0; i < pScrPriv->numCrtcs; i++) 
+    {
+	RRCrtcPtr   crtc = pScrPriv->crtcs[i];
+	RRModePtr   mode = crtc->mode;
+	if (mode)
+	{
+	    int		source_width = mode->mode.width;
+	    int		source_height = mode->mode.height;
+	    Rotation	rotation = crtc->rotation;
+
+	    if (rotation == RR_Rotate_90 || rotation == RR_Rotate_270)
+	    {
+		source_width = mode->mode.height;
+		source_height = mode->mode.width;
+	    }
+	    
+	    if (crtc->x + source_width > stuff->width ||
+		crtc->y + source_height > stuff->height)
+	    return BadMatch;
+	}
+    }
+    if (stuff->widthInMillimeters == 0 || stuff->heightInMillimeters == 0)
+    {
+	client->errorValue = 0;
+	return BadValue;
+    }
+    if (!RRScreenSizeSet (pScreen, 
+			  stuff->width, stuff->height,
+			  stuff->widthInMillimeters,
+			  stuff->heightInMillimeters))
+    {
+	return BadMatch;
+    }
+    return Success;
+}
+
+int
+ProcRRGetScreenResources (ClientPtr client)
+{
+    REQUEST(xRRGetScreenResourcesReq);
+    xRRGetScreenResourcesReply  rep;
+    WindowPtr			pWin;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    CARD8			*extra;
+    unsigned long		extraLen;
+    int				i, n, rc;
+    RRCrtc			*crtcs;
+    RROutput			*outputs;
+    xRRModeInfo			*modeinfos;
+    CARD8			*names;
+    
+    REQUEST_SIZE_MATCH(xRRGetScreenResourcesReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+    
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    rep.pad = 0;
+    
+    if (pScrPriv)
+	if (!RRGetInfo (pScreen))
+	    return BadAlloc;
+
+    if (!pScrPriv)
+    {
+	rep.type = X_Reply;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.timestamp = currentTime.milliseconds;
+	rep.configTimestamp = currentTime.milliseconds;
+	rep.nCrtcs = 0;
+	rep.nOutputs = 0;
+	rep.nModes = 0;
+	rep.nbytesNames = 0;
+	extra = NULL;
+	extraLen = 0;
+    }
+    else
+    {
+	RRModePtr   *modes;
+	int	    num_modes;
+
+	modes = RRModesForScreen (pScreen, &num_modes);
+	if (!modes)
+	    return BadAlloc;
+	
+	rep.type = X_Reply;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+	rep.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+	rep.nCrtcs = pScrPriv->numCrtcs;
+	rep.nOutputs = pScrPriv->numOutputs;
+	rep.nModes = num_modes;
+	rep.nbytesNames = 0;
+
+	for (i = 0; i < num_modes; i++)
+	    rep.nbytesNames += modes[i]->mode.nameLength;
+
+	rep.length = (pScrPriv->numCrtcs + 
+		      pScrPriv->numOutputs + 
+		      num_modes * (SIZEOF(xRRModeInfo) >> 2) +
+		      ((rep.nbytesNames + 3) >> 2));
+	
+	extraLen = rep.length << 2;
+	if (extraLen)
+	{
+	    extra = xalloc (extraLen);
+	    if (!extra)
+	    {
+		xfree (modes);
+		return BadAlloc;
+	    }
+	}
+	else
+	    extra = NULL;
+
+	crtcs = (RRCrtc *) extra;
+	outputs = (RROutput *) (crtcs + pScrPriv->numCrtcs);
+	modeinfos = (xRRModeInfo *) (outputs + pScrPriv->numOutputs);
+	names = (CARD8 *) (modeinfos + num_modes);
+	
+	for (i = 0; i < pScrPriv->numCrtcs; i++)
+	{
+	    crtcs[i] = pScrPriv->crtcs[i]->id;
+	    if (client->swapped)
+		swapl (&crtcs[i], n);
+	}
+	
+	for (i = 0; i < pScrPriv->numOutputs; i++)
+	{
+	    outputs[i] = pScrPriv->outputs[i]->id;
+	    if (client->swapped)
+		swapl (&outputs[i], n);
+	}
+	
+	for (i = 0; i < num_modes; i++)
+	{
+	    RRModePtr	mode = modes[i];
+	    modeinfos[i] = mode->mode;
+	    if (client->swapped)
+	    {
+		swapl (&modeinfos[i].id, n);
+		swaps (&modeinfos[i].width, n);
+		swaps (&modeinfos[i].height, n);
+		swapl (&modeinfos[i].dotClock, n);
+		swaps (&modeinfos[i].hSyncStart, n);
+		swaps (&modeinfos[i].hSyncEnd, n);
+		swaps (&modeinfos[i].hTotal, n);
+		swaps (&modeinfos[i].hSkew, n);
+		swaps (&modeinfos[i].vSyncStart, n);
+		swaps (&modeinfos[i].vSyncEnd, n);
+		swaps (&modeinfos[i].vTotal, n);
+		swaps (&modeinfos[i].nameLength, n);
+		swapl (&modeinfos[i].modeFlags, n);
+	    }
+	    memcpy (names, mode->name, 
+		    mode->mode.nameLength);
+	    names += mode->mode.nameLength;
+	}
+    	xfree (modes);
+	assert (((((char *) names - (char *) extra) + 3) >> 2) == rep.length);
+    }
+    
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swapl(&rep.configTimestamp, n);
+	swaps(&rep.nCrtcs, n);
+	swaps(&rep.nOutputs, n);
+	swaps(&rep.nModes, n);
+	swaps(&rep.nbytesNames, n);
+    }
+    WriteToClient(client, sizeof(xRRGetScreenResourcesReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    return client->noClientException;
+}
+
+typedef struct _RR10Data {
+    RRScreenSizePtr sizes;
+    int		    nsize;
+    int		    nrefresh;
+    int		    size;
+    CARD16	    refresh;
+} RR10DataRec, *RR10DataPtr;
+
+/*
+ * Convert 1.2 monitor data into 1.0 screen data
+ */
+static RR10DataPtr
+RR10GetData (ScreenPtr pScreen, RROutputPtr output)
+{
+    RR10DataPtr	    data;
+    RRScreenSizePtr size;
+    int		    nmode = output->numModes + output->numUserModes;
+    int		    o, os, l, r;
+    RRScreenRatePtr refresh;
+    CARD16	    vRefresh;
+    RRModePtr	    mode;
+    Bool	    *used;
+
+    /* Make sure there is plenty of space for any combination */
+    data = malloc (sizeof (RR10DataRec) + 
+		   sizeof (RRScreenSize) * nmode + 
+		   sizeof (RRScreenRate) * nmode +
+		   sizeof (Bool) * nmode);
+    if (!data)
+	return NULL;
+    size = (RRScreenSizePtr) (data + 1);
+    refresh = (RRScreenRatePtr) (size + nmode);
+    used = (Bool *) (refresh + nmode);
+    memset (used, '\0', sizeof (Bool) * nmode);
+    data->sizes = size;
+    data->nsize = 0;
+    data->nrefresh = 0;
+    data->size = 0;
+    data->refresh = 0;
+    
+    /*
+     * find modes not yet listed
+     */
+    for (o = 0; o < output->numModes + output->numUserModes; o++)
+    {
+	if (used[o]) continue;
+	
+	if (o < output->numModes)
+	    mode = output->modes[o];
+	else
+	    mode = output->userModes[o - output->numModes];
+	
+	l = data->nsize;
+	size[l].id = data->nsize;
+	size[l].width = mode->mode.width;
+	size[l].height = mode->mode.height;
+	if (output->mmWidth && output->mmHeight) {
+	    size[l].mmWidth = output->mmWidth;
+	    size[l].mmHeight = output->mmHeight;
+	} else {
+	    size[l].mmWidth = pScreen->mmWidth;
+	    size[l].mmHeight = pScreen->mmHeight;
+	}
+	size[l].nRates = 0;
+	size[l].pRates = &refresh[data->nrefresh];
+	data->nsize++;
+	
+	/*
+	 * Find all modes with matching size
+	 */
+	for (os = o; os < output->numModes + output->numUserModes; os++)
+	{
+	    if (os < output->numModes)
+		mode = output->modes[os];
+	    else
+		mode = output->userModes[os - output->numModes];
+	    if (mode->mode.width == size[l].width &&
+		mode->mode.height == size[l].height)
+	    {
+		vRefresh = RRVerticalRefresh (&mode->mode);
+		used[os] = TRUE;
+		
+		for (r = 0; r < size[l].nRates; r++)
+		    if (vRefresh == size[l].pRates[r].rate)
+			break;
+		if (r == size[l].nRates)
+		{
+		    size[l].pRates[r].rate = vRefresh;
+		    size[l].pRates[r].mode = mode;
+		    size[l].nRates++;
+		    data->nrefresh++;
+		}
+		if (mode == output->crtc->mode)
+		{
+		    data->size = l;
+		    data->refresh = vRefresh;
+		}
+	    }
+	}
+    }
+    return data;
+}
+
+int
+ProcRRGetScreenInfo (ClientPtr client)
+{
+    REQUEST(xRRGetScreenInfoReq);
+    xRRGetScreenInfoReply   rep;
+    WindowPtr	    	    pWin;
+    int			    n, rc;
+    ScreenPtr		    pScreen;
+    rrScrPrivPtr	    pScrPriv;
+    CARD8		    *extra;
+    unsigned long	    extraLen;
+    RROutputPtr		    output;
+
+    REQUEST_SIZE_MATCH(xRRGetScreenInfoReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    rep.pad = 0;
+    
+    if (pScrPriv)
+	if (!RRGetInfo (pScreen))
+	    return BadAlloc;
+
+    output = RRFirstOutput (pScreen);
+    
+    if (!pScrPriv || !output)
+    {
+	rep.type = X_Reply;
+	rep.setOfRotations = RR_Rotate_0;;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id;
+	rep.timestamp = currentTime.milliseconds;
+	rep.configTimestamp = currentTime.milliseconds;
+	rep.nSizes = 0;
+	rep.sizeID = 0;
+	rep.rotation = RR_Rotate_0;
+	rep.rate = 0;
+	rep.nrateEnts = 0;
+	extra = 0;
+	extraLen = 0;
+    }
+    else
+    {
+	int			i, j;
+	xScreenSizes		*size;
+	CARD16			*rates;
+	CARD8			*data8;
+	Bool			has_rate = RRClientKnowsRates (client);
+	RR10DataPtr		pData;
+	RRScreenSizePtr		pSize;
+    
+	pData = RR10GetData (pScreen, output);
+	if (!pData)
+	    return BadAlloc;
+	
+	rep.type = X_Reply;
+	rep.setOfRotations = output->crtc->rotations;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id;
+	rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+	rep.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+	rep.rotation = output->crtc->rotation;
+	rep.nSizes = pData->nsize;
+        rep.nrateEnts = pData->nrefresh + pData->nsize;
+	rep.sizeID = pData->size;
+	rep.rate = pData->refresh;
+
+	extraLen = (rep.nSizes * sizeof (xScreenSizes) +
+		    rep.nrateEnts * sizeof (CARD16));
+
+	if (extraLen)
+	{
+	    extra = (CARD8 *) xalloc (extraLen);
+	    if (!extra)
+	    {
+		xfree (pData);
+		return BadAlloc;
+	    }
+	}
+	else
+	    extra = NULL;
+
+	/*
+	 * First comes the size information
+	 */
+	size = (xScreenSizes *) extra;
+	rates = (CARD16 *) (size + rep.nSizes);
+	for (i = 0; i < pData->nsize; i++)
+	{
+	    pSize = &pData->sizes[i];
+	    size->widthInPixels = pSize->width;
+	    size->heightInPixels = pSize->height;
+	    size->widthInMillimeters = pSize->mmWidth;
+	    size->heightInMillimeters = pSize->mmHeight;
+	    if (client->swapped)
+	    {
+	        swaps (&size->widthInPixels, n);
+	        swaps (&size->heightInPixels, n);
+	        swaps (&size->widthInMillimeters, n);
+	        swaps (&size->heightInMillimeters, n);
+	    }
+	    size++;
+	    if (has_rate)
+	    {
+		*rates = pSize->nRates;
+		if (client->swapped)
+		{
+		    swaps (rates, n);
+		}
+		rates++;
+		for (j = 0; j < pSize->nRates; j++)
+		{
+		    *rates = pSize->pRates[j].rate;
+		    if (client->swapped)
+		    {
+			swaps (rates, n);
+		    }
+		    rates++;
+		}
+	    }
+	}
+        xfree (pData);
+	
+	data8 = (CARD8 *) rates;
+
+	if (data8 - (CARD8 *) extra != extraLen)
+	    FatalError ("RRGetScreenInfo bad extra len %ld != %ld\n",
+			(unsigned long)(data8 - (CARD8 *) extra), extraLen);
+	rep.length =  (extraLen + 3) >> 2;
+    }
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swaps(&rep.rotation, n);
+	swaps(&rep.nSizes, n);
+	swaps(&rep.sizeID, n);
+	swaps(&rep.rate, n);
+	swaps(&rep.nrateEnts, n);
+    }
+    WriteToClient(client, sizeof(xRRGetScreenInfoReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    return (client->noClientException);
+}
+
+int
+ProcRRSetScreenConfig (ClientPtr client)
+{
+    REQUEST(xRRSetScreenConfigReq);
+    xRRSetScreenConfigReply rep;
+    DrawablePtr		    pDraw;
+    int			    n, rc;
+    ScreenPtr		    pScreen;
+    rrScrPrivPtr	    pScrPriv;
+    TimeStamp		    time;
+    int			    i;
+    Rotation		    rotation;
+    int			    rate;
+    Bool		    has_rate;
+    RROutputPtr		    output;
+    RRCrtcPtr		    crtc;
+    RRModePtr		    mode;
+    RR10DataPtr		    pData = NULL;
+    RRScreenSizePtr    	    pSize;
+    int			    width, height;
+    
+    UpdateCurrentTime ();
+
+    if (RRClientKnowsRates (client))
+    {
+	REQUEST_SIZE_MATCH (xRRSetScreenConfigReq);
+	has_rate = TRUE;
+    }
+    else
+    {
+	REQUEST_SIZE_MATCH (xRR1_0SetScreenConfigReq);
+	has_rate = FALSE;
+    }
+    
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixWriteAccess);
+    #else
+    pDraw = SecurityLookupDrawable(stuff->drawable, client, SecurityWriteAccess);
+    rc = pDraw ? Success : BadDrawable;
+    #endif
+    if (rc != Success)
+	return rc;
+
+    pScreen = pDraw->pScreen;
+
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    time = ClientTimeToServerTime(stuff->timestamp);
+    
+    if (!pScrPriv)
+    {
+	time = currentTime;
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+    if (!RRGetInfo (pScreen))
+	return BadAlloc;
+    
+    output = RRFirstOutput (pScreen);
+    if (!output)
+    {
+	time = currentTime;
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+
+    crtc = output->crtc;
+
+    /*
+     * If the client's config timestamp is not the same as the last config
+     * timestamp, then the config information isn't up-to-date and
+     * can't even be validated.
+     *
+     * Note that the client only knows about the milliseconds part of the
+     * timestamp, so using CompareTimeStamps here would cause randr to suddenly
+     * stop working after several hours have passed (freedesktop bug #6502).
+     */
+    if (stuff->configTimestamp != pScrPriv->lastConfigTime.milliseconds)
+    {
+	rep.status = RRSetConfigInvalidConfigTime;
+	goto sendReply;
+    }
+    
+    pData = RR10GetData (pScreen, output);
+    if (!pData)
+	return BadAlloc;
+    
+    if (stuff->sizeID >= pData->nsize)
+    {
+	/*
+	 * Invalid size ID
+	 */
+	client->errorValue = stuff->sizeID;
+	xfree (pData);
+	return BadValue;
+    }
+    pSize = &pData->sizes[stuff->sizeID];
+    
+    /*
+     * Validate requested rotation
+     */
+    rotation = (Rotation) stuff->rotation;
+
+    /* test the rotation bits only! */
+    switch (rotation & 0xf) {
+    case RR_Rotate_0:
+    case RR_Rotate_90:
+    case RR_Rotate_180:
+    case RR_Rotate_270:
+	break;
+    default:
+	/*
+	 * Invalid rotation
+	 */
+	client->errorValue = stuff->rotation;
+	xfree (pData);
+	return BadValue;
+    }
+
+    if ((~crtc->rotations) & rotation)
+    {
+	/*
+	 * requested rotation or reflection not supported by screen
+	 */
+	client->errorValue = stuff->rotation;
+	xfree (pData);
+	return BadMatch;
+    }
+
+    /*
+     * Validate requested refresh
+     */
+    if (has_rate)
+	rate = (int) stuff->rate;
+    else
+	rate = 0;
+
+    if (rate)
+    {
+	for (i = 0; i < pSize->nRates; i++)
+	{
+	    if (pSize->pRates[i].rate == rate)
+		break;
+	}
+	if (i == pSize->nRates)
+	{
+	    /*
+	     * Invalid rate
+	     */
+	    client->errorValue = rate;
+	    xfree (pData);
+	    return BadValue;
+	}
+	mode = pSize->pRates[i].mode;
+    }
+    else
+	mode = pSize->pRates[0].mode;
+    
+    /*
+     * Make sure the requested set-time is not older than
+     * the last set-time
+     */
+    if (CompareTimeStamps (time, pScrPriv->lastSetTime) < 0)
+    {
+	rep.status = RRSetConfigInvalidTime;
+	goto sendReply;
+    }
+
+    /*
+     * If the screen size is changing, adjust all of the other outputs
+     * to fit the new size, mirroring as much as possible
+     */
+    width = mode->mode.width;
+    height = mode->mode.height;
+    if (rotation & (RR_Rotate_90|RR_Rotate_270))
+    {
+	width = mode->mode.height;
+	height = mode->mode.width;
+    }
+    if (width != pScreen->width || height != pScreen->height)
+    {
+	int	c;
+
+	for (c = 0; c < pScrPriv->numCrtcs; c++)
+	{
+	    if (!RRCrtcSet (pScrPriv->crtcs[c], NULL, 0, 0, RR_Rotate_0,
+			    0, NULL))
+	    {
+		rep.status = RRSetConfigFailed;
+		/* XXX recover from failure */
+		goto sendReply;
+	    }
+	}
+	if (!RRScreenSizeSet (pScreen, width, height,
+			      pScreen->mmWidth, pScreen->mmHeight))
+	{
+	    rep.status = RRSetConfigFailed;
+	    /* XXX recover from failure */
+	    goto sendReply;
+	}
+    }
+
+    if (!RRCrtcSet (crtc, mode, 0, 0, stuff->rotation, 1, &output))
+	rep.status = RRSetConfigFailed;
+    #ifndef NXAGENT_SERVER /* Bug 21987 */
+    else
+	rep.status = RRSetConfigSuccess;
+    #else
+    else {
+	rep.status = RRSetConfigSuccess;
+	pScrPriv->lastSetTime = time;
+    }
+    #endif
+
+    /*
+     * XXX Configure other crtcs to mirror as much as possible
+     */
+    
+sendReply:
+    
+    if (pData)
+	xfree (pData);
+
+    rep.type = X_Reply;
+    /* rep.status has already been filled in */
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+
+    rep.newTimestamp = pScrPriv->lastSetTime.milliseconds;
+    rep.newConfigTimestamp = pScrPriv->lastConfigTime.milliseconds;
+    rep.root = WindowTable[pDraw->pScreen->myNum]->drawable.id;
+
+    if (client->swapped) 
+    {
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swapl(&rep.newTimestamp, n);
+	swapl(&rep.newConfigTimestamp, n);
+	swapl(&rep.root, n);
+    }
+    WriteToClient(client, sizeof(xRRSetScreenConfigReply), (char *)&rep);
+
+    return (client->noClientException);
+}
+
+static CARD16
+RR10CurrentSizeID (ScreenPtr pScreen)
+{
+    CARD16	sizeID = 0xffff;
+    RROutputPtr output = RRFirstOutput (pScreen);
+    
+    if (output)
+    {
+	RR10DataPtr data = RR10GetData (pScreen, output);
+	if (data)
+	{
+	    int i;
+	    for (i = 0; i < data->nsize; i++)
+		if (data->sizes[i].width == pScreen->width &&
+		    data->sizes[i].height == pScreen->height)
+		{
+		    sizeID = (CARD16) i;
+		    break;
+		}
+	    xfree (data);
+	}
+    }
+    return sizeID;
+}