1 files changed, 504 insertions, 502 deletions
diff --git a/xorg-server/randr/randr.c b/xorg-server/randr/randr.c
index 607770520..1551c63b1 100644
--- a/xorg-server/randr/randr.c
+++ b/xorg-server/randr/randr.c
@@ -1,502 +1,504 @@
-/*
- * Copyright © 2000 Compaq Computer Corporation
- * Copyright © 2002 Hewlett-Packard Company
- * Copyright © 2006 Intel Corporation
- *
- * 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.
- *
- * Author:  Jim Gettys, Hewlett-Packard Company, Inc.
- *	    Keith Packard, Intel Corporation
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "randrstr.h"
-
-/* From render.h */
-#ifndef SubPixelUnknown
-#define SubPixelUnknown 0
-#endif
-
-#define RR_VALIDATE
-static int	RRNScreens;
-
-#define wrap(priv,real,mem,func) {\
-    priv->mem = real->mem; \
-    real->mem = func; \
-}
-
-#define unwrap(priv,real,mem) {\
-    real->mem = priv->mem; \
-}
-
-static int ProcRRDispatch (ClientPtr pClient);
-static int SProcRRDispatch (ClientPtr pClient);
-
-int	RREventBase;
-int	RRErrorBase;
-RESTYPE RRClientType, RREventType; /* resource types for event masks */
-DevPrivateKeyRec RRClientPrivateKeyRec;
-
-DevPrivateKeyRec rrPrivKeyRec;
-
-static void
-RRClientCallback (CallbackListPtr	*list,
-		  pointer		closure,
-		  pointer		data)
-{
-    NewClientInfoRec	*clientinfo = (NewClientInfoRec *) data;
-    ClientPtr		pClient = clientinfo->client;
-    rrClientPriv(pClient);
-    RRTimesPtr		pTimes = (RRTimesPtr) (pRRClient + 1);
-    int			i;
-
-    pRRClient->major_version = 0;
-    pRRClient->minor_version = 0;
-    for (i = 0; i < screenInfo.numScreens; i++)
-    {
-	ScreenPtr   pScreen = screenInfo.screens[i];
-	rrScrPriv(pScreen);
-
-	if (pScrPriv)
-	{
-	    pTimes[i].setTime = pScrPriv->lastSetTime;
-	    pTimes[i].configTime = pScrPriv->lastConfigTime;
-	}
-    }
-}
-
-static Bool
-RRCloseScreen (int i, ScreenPtr pScreen)
-{
-    rrScrPriv(pScreen);
-    int		    j;
-
-    unwrap (pScrPriv, pScreen, CloseScreen);
-    for (j = pScrPriv->numCrtcs - 1; j >= 0; j--)
-	RRCrtcDestroy (pScrPriv->crtcs[j]);
-    for (j = pScrPriv->numOutputs - 1; j >= 0; j--)
-	RROutputDestroy (pScrPriv->outputs[j]);
-    
-    free(pScrPriv->crtcs);
-    free(pScrPriv->outputs);
-    free(pScrPriv);
-    RRNScreens -= 1;	/* ok, one fewer screen with RandR running */
-    return (*pScreen->CloseScreen) (i, pScreen);    
-}
-
-static void
-SRRScreenChangeNotifyEvent(xRRScreenChangeNotifyEvent *from,
-			   xRRScreenChangeNotifyEvent *to)
-{
-    to->type = from->type;
-    to->rotation = from->rotation;
-    cpswaps(from->sequenceNumber, to->sequenceNumber);
-    cpswapl(from->timestamp, to->timestamp);
-    cpswapl(from->configTimestamp, to->configTimestamp);
-    cpswapl(from->root, to->root);
-    cpswapl(from->window, to->window);
-    cpswaps(from->sizeID, to->sizeID);
-    cpswaps(from->subpixelOrder, to->subpixelOrder);
-    cpswaps(from->widthInPixels, to->widthInPixels);
-    cpswaps(from->heightInPixels, to->heightInPixels);
-    cpswaps(from->widthInMillimeters, to->widthInMillimeters);
-    cpswaps(from->heightInMillimeters, to->heightInMillimeters);
-}
-
-static void
-SRRCrtcChangeNotifyEvent(xRRCrtcChangeNotifyEvent *from,
-			 xRRCrtcChangeNotifyEvent *to)
-{
-    to->type = from->type;
-    to->subCode = from->subCode;
-    cpswaps(from->sequenceNumber, to->sequenceNumber);
-    cpswapl(from->timestamp, to->timestamp);
-    cpswapl(from->window, to->window);
-    cpswapl(from->crtc, to->crtc);
-    cpswapl(from->mode, to->mode);
-    cpswaps(from->rotation, to->rotation);
-    /* pad1 */
-    cpswaps(from->x, to->x);
-    cpswaps(from->y, to->y);
-    cpswaps(from->width, to->width);
-    cpswaps(from->height, to->height);
-}
-
-static void
-SRROutputChangeNotifyEvent(xRROutputChangeNotifyEvent *from,
-			   xRROutputChangeNotifyEvent *to)
-{
-    to->type = from->type;
-    to->subCode = from->subCode;
-    cpswaps(from->sequenceNumber, to->sequenceNumber);
-    cpswapl(from->timestamp, to->timestamp);
-    cpswapl(from->configTimestamp, to->configTimestamp);
-    cpswapl(from->window, to->window);
-    cpswapl(from->output, to->output);
-    cpswapl(from->crtc, to->crtc);
-    cpswapl(from->mode, to->mode);
-    cpswaps(from->rotation, to->rotation);
-    to->connection = from->connection;
-    to->subpixelOrder = from->subpixelOrder;
-}
-
-static void
-SRROutputPropertyNotifyEvent(xRROutputPropertyNotifyEvent *from,
-			     xRROutputPropertyNotifyEvent *to)
-{
-    to->type = from->type;
-    to->subCode = from->subCode;
-    cpswaps(from->sequenceNumber, to->sequenceNumber);
-    cpswapl(from->window, to->window);
-    cpswapl(from->output, to->output);
-    cpswapl(from->atom, to->atom);
-    cpswapl(from->timestamp, to->timestamp);
-    to->state = from->state;
-    /* pad1 */
-    /* pad2 */
-    /* pad3 */
-    /* pad4 */
-}
-
-static void
-SRRNotifyEvent (xEvent *from,
-		xEvent *to)
-{
-    switch (from->u.u.detail) {
-    case RRNotify_CrtcChange:
-	SRRCrtcChangeNotifyEvent ((xRRCrtcChangeNotifyEvent *) from,
-				  (xRRCrtcChangeNotifyEvent *) to);
-	break;
-    case RRNotify_OutputChange:
-	SRROutputChangeNotifyEvent ((xRROutputChangeNotifyEvent *) from,
-				    (xRROutputChangeNotifyEvent *) to);
-	break;
-    case RRNotify_OutputProperty:
-	SRROutputPropertyNotifyEvent ((xRROutputPropertyNotifyEvent *) from,
-				      (xRROutputPropertyNotifyEvent *) to);
-	break;
-    default:
-	break;
-    }
-}
-
-static int RRGeneration;
-
-Bool RRInit (void)
-{
-    if (RRGeneration != serverGeneration)
-    {
-	if (!RRModeInit ())
-	    return FALSE;
-	if (!RRCrtcInit ())
-	    return FALSE;
-	if (!RROutputInit ())
-	    return FALSE;
-	RRGeneration = serverGeneration;
-    }
-    if (!dixRegisterPrivateKey(&rrPrivKeyRec, PRIVATE_SCREEN, 0))
-	return FALSE;
-
-    return TRUE;
-}
-
-Bool RRScreenInit(ScreenPtr pScreen)
-{
-    rrScrPrivPtr   pScrPriv;
-
-    if (!RRInit ())
-	return FALSE;
-
-    pScrPriv = (rrScrPrivPtr) calloc(1, sizeof (rrScrPrivRec));
-    if (!pScrPriv)
-	return FALSE;
-
-    SetRRScreen(pScreen, pScrPriv);
-
-    /*
-     * Calling function best set these function vectors
-     */
-    pScrPriv->rrGetInfo = 0;
-    pScrPriv->maxWidth = pScrPriv->minWidth = pScreen->width;
-    pScrPriv->maxHeight = pScrPriv->minHeight = pScreen->height;
-    
-    pScrPriv->width = pScreen->width;
-    pScrPriv->height = pScreen->height;
-    pScrPriv->mmWidth = pScreen->mmWidth;
-    pScrPriv->mmHeight = pScreen->mmHeight;
-#if RANDR_12_INTERFACE
-    pScrPriv->rrScreenSetSize = NULL;
-    pScrPriv->rrCrtcSet = NULL;
-    pScrPriv->rrCrtcSetGamma = NULL;
-#endif
-#if RANDR_10_INTERFACE    
-    pScrPriv->rrSetConfig = 0;
-    pScrPriv->rotations = RR_Rotate_0;
-    pScrPriv->reqWidth = pScreen->width;
-    pScrPriv->reqHeight = pScreen->height;
-    pScrPriv->nSizes = 0;
-    pScrPriv->pSizes = NULL;
-    pScrPriv->rotation = RR_Rotate_0;
-    pScrPriv->rate = 0;
-    pScrPriv->size = 0;
-#endif
-    
-    /*
-     * This value doesn't really matter -- any client must call
-     * GetScreenInfo before reading it which will automatically update
-     * the time
-     */
-    pScrPriv->lastSetTime = currentTime;
-    pScrPriv->lastConfigTime = currentTime;
-    
-    wrap (pScrPriv, pScreen, CloseScreen, RRCloseScreen);
-
-    pScrPriv->numOutputs = 0;
-    pScrPriv->outputs = NULL;
-    pScrPriv->numCrtcs = 0;
-    pScrPriv->crtcs = NULL;
-    
-    RRNScreens += 1;	/* keep count of screens that implement randr */
-    return TRUE;
-}
-
-/*ARGSUSED*/
-static int
-RRFreeClient (pointer data, XID id)
-{
-    RREventPtr   pRREvent;
-    WindowPtr	    pWin;
-    RREventPtr   *pHead, pCur, pPrev;
-
-    pRREvent = (RREventPtr) data;
-    pWin = pRREvent->window;
-    dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id,
-			    RREventType, serverClient, DixDestroyAccess);
-    if (pHead) {
-	pPrev = 0;
-	for (pCur = *pHead; pCur && pCur != pRREvent; pCur=pCur->next)
-	    pPrev = pCur;
-	if (pCur)
-	{
-	    if (pPrev)
-	    	pPrev->next = pRREvent->next;
-	    else
-	    	*pHead = pRREvent->next;
-	}
-    }
-    free((pointer) pRREvent);
-    return 1;
-}
-
-/*ARGSUSED*/
-static int
-RRFreeEvents (pointer data, XID id)
-{
-    RREventPtr   *pHead, pCur, pNext;
-
-    pHead = (RREventPtr *) data;
-    for (pCur = *pHead; pCur; pCur = pNext) {
-	pNext = pCur->next;
-	FreeResource (pCur->clientResource, RRClientType);
-	free((pointer) pCur);
-    }
-    free((pointer) pHead);
-    return 1;
-}
-
-void
-RRExtensionInit (void)
-{
-    ExtensionEntry *extEntry;
-
-    if (RRNScreens == 0) return;
-
-    if (!dixRegisterPrivateKey(&RRClientPrivateKeyRec, PRIVATE_CLIENT,
-			       sizeof (RRClientRec) +
-			       screenInfo.numScreens * sizeof (RRTimesRec)))
-	return;
-    if (!AddCallback (&ClientStateCallback, RRClientCallback, 0))
-	return;
-
-    RRClientType = CreateNewResourceType(RRFreeClient, "RandRClient");
-    if (!RRClientType)
-	return;
-    RREventType = CreateNewResourceType(RRFreeEvents, "RandREvent");
-    if (!RREventType)
-	return;
-    extEntry = AddExtension (RANDR_NAME, RRNumberEvents, RRNumberErrors,
-			     ProcRRDispatch, SProcRRDispatch,
-			     NULL, StandardMinorOpcode);
-    if (!extEntry)
-	return;
-    RRErrorBase = extEntry->errorBase;
-    RREventBase = extEntry->eventBase;
-    EventSwapVector[RREventBase + RRScreenChangeNotify] = (EventSwapPtr) 
-	SRRScreenChangeNotifyEvent;
-    EventSwapVector[RREventBase + RRNotify] = (EventSwapPtr)
-	SRRNotifyEvent;
-
-    RRModeInitErrorValue();
-    RRCrtcInitErrorValue();
-    RROutputInitErrorValue();
-
-#ifdef PANORAMIX
-    RRXineramaExtensionInit();
-#endif
-}
-
-static int
-TellChanged (WindowPtr pWin, pointer value)
-{
-    RREventPtr			*pHead, pRREvent;
-    ClientPtr			client;
-    ScreenPtr			pScreen = pWin->drawable.pScreen;
-    rrScrPriv(pScreen);
-    int				i;
-
-    dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id,
-			    RREventType, serverClient, DixReadAccess);
-    if (!pHead)
-	return WT_WALKCHILDREN;
-
-    for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) 
-    {
-	client = pRREvent->client;
-	if (client == serverClient || client->clientGone)
-	    continue;
-
-	if (pRREvent->mask & RRScreenChangeNotifyMask)
-	    RRDeliverScreenEvent (client, pWin, pScreen);
-	
-	if (pRREvent->mask & RRCrtcChangeNotifyMask)
-	{
-	    for (i = 0; i < pScrPriv->numCrtcs; i++)
-	    {
-		RRCrtcPtr   crtc = pScrPriv->crtcs[i];
-		if (crtc->changed)
-		    RRDeliverCrtcEvent (client, pWin, crtc);
-	    }
-	}
-	
-	if (pRREvent->mask & RROutputChangeNotifyMask)
-	{
-	    for (i = 0; i < pScrPriv->numOutputs; i++)
-	    {
-		RROutputPtr   output = pScrPriv->outputs[i];
-		if (output->changed)
-		    RRDeliverOutputEvent (client, pWin, output);
-	    }
-	}
-    }
-    return WT_WALKCHILDREN;
-}
-
-/*
- * Something changed; send events and adjust pointer position
- */
-void
-RRTellChanged (ScreenPtr pScreen)
-{
-    rrScrPriv (pScreen);
-    int i;
-    
-    if (pScrPriv->changed)
-    {
-	UpdateCurrentTime ();
-	if (pScrPriv->configChanged)
-	{
-	    pScrPriv->lastConfigTime = currentTime;
-	    pScrPriv->configChanged = FALSE;
-	}
-	pScrPriv->changed = FALSE;
-	WalkTree (pScreen, TellChanged, (pointer) pScreen);
-	for (i = 0; i < pScrPriv->numOutputs; i++)
-	    pScrPriv->outputs[i]->changed = FALSE;
-	for (i = 0; i < pScrPriv->numCrtcs; i++)
-	    pScrPriv->crtcs[i]->changed = FALSE;
-	if (pScrPriv->layoutChanged)
-	{
-	    pScrPriv->layoutChanged = FALSE;
-	    RRPointerScreenConfigured (pScreen);
-	    RRSendConfigNotify (pScreen);
-	}
-    }
-}
-
-/*
- * Return the first output which is connected to an active CRTC
- * Used in emulating 1.0 behaviour
- */
-RROutputPtr
-RRFirstOutput (ScreenPtr pScreen)
-{
-    rrScrPriv(pScreen);
-    RROutputPtr		    output;
-    int	i, j;
-    
-    if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc)
-	return pScrPriv->primaryOutput;
-
-    for (i = 0; i < pScrPriv->numCrtcs; i++)
-    {
-	RRCrtcPtr   crtc = pScrPriv->crtcs[i];
-	for (j = 0; j < pScrPriv->numOutputs; j++)
-	{
-	    output = pScrPriv->outputs[j];
-	    if (output->crtc == crtc)
-		return output;
-	}
-    }
-    return NULL;
-}
-
-CARD16
-RRVerticalRefresh (xRRModeInfo *mode)
-{
-    CARD32  refresh;
-    CARD32  dots = mode->hTotal * mode->vTotal;
-    if (!dots)
-	return 0;
-    refresh = (mode->dotClock + dots/2) / dots;
-    if (refresh > 0xffff)
-	refresh = 0xffff;
-    return (CARD16) refresh;
-}
-
-static int
-ProcRRDispatch (ClientPtr client)
-{
-    REQUEST(xReq);
-    if (stuff->data >= RRNumberRequests || !ProcRandrVector[stuff->data])
-	return BadRequest;
-    return (*ProcRandrVector[stuff->data]) (client);
-}
-
-static int
-SProcRRDispatch (ClientPtr client)
-{
-    REQUEST(xReq);
-    if (stuff->data >= RRNumberRequests || !ProcRandrVector[stuff->data])
-	return BadRequest;
-    return (*SProcRandrVector[stuff->data]) (client);
-}
-
+/*
+ * Copyright © 2000 Compaq Computer Corporation
+ * Copyright © 2002 Hewlett-Packard Company
+ * Copyright © 2006 Intel Corporation
+ *
+ * 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.
+ *
+ * Author:  Jim Gettys, Hewlett-Packard Company, Inc.
+ *	    Keith Packard, Intel Corporation
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "randrstr.h"
+
+/* From render.h */
+#ifndef SubPixelUnknown
+#define SubPixelUnknown 0
+#endif
+
+#define RR_VALIDATE
+static int	RRNScreens;
+
+#define wrap(priv,real,mem,func) {\
+    priv->mem = real->mem; \
+    real->mem = func; \
+}
+
+#define unwrap(priv,real,mem) {\
+    real->mem = priv->mem; \
+}
+
+static int ProcRRDispatch (ClientPtr pClient);
+static int SProcRRDispatch (ClientPtr pClient);
+
+int	RREventBase;
+int	RRErrorBase;
+RESTYPE RRClientType, RREventType; /* resource types for event masks */
+DevPrivateKeyRec RRClientPrivateKeyRec;
+
+DevPrivateKeyRec rrPrivKeyRec;
+
+static void
+RRClientCallback (CallbackListPtr	*list,
+		  pointer		closure,
+		  pointer		data)
+{
+    NewClientInfoRec	*clientinfo = (NewClientInfoRec *) data;
+    ClientPtr		pClient = clientinfo->client;
+    rrClientPriv(pClient);
+    RRTimesPtr		pTimes = (RRTimesPtr) (pRRClient + 1);
+    int			i;
+
+    pRRClient->major_version = 0;
+    pRRClient->minor_version = 0;
+    for (i = 0; i < screenInfo.numScreens; i++)
+    {
+	ScreenPtr   pScreen = screenInfo.screens[i];
+	rrScrPriv(pScreen);
+
+	if (pScrPriv)
+	{
+	    pTimes[i].setTime = pScrPriv->lastSetTime;
+	    pTimes[i].configTime = pScrPriv->lastConfigTime;
+	}
+    }
+}
+
+static Bool
+RRCloseScreen (int i, ScreenPtr pScreen)
+{
+    rrScrPriv(pScreen);
+    int		    j;
+
+    unwrap (pScrPriv, pScreen, CloseScreen);
+    for (j = pScrPriv->numCrtcs - 1; j >= 0; j--)
+	RRCrtcDestroy (pScrPriv->crtcs[j]);
+    for (j = pScrPriv->numOutputs - 1; j >= 0; j--)
+	RROutputDestroy (pScrPriv->outputs[j]);
+    
+    free(pScrPriv->crtcs);
+    free(pScrPriv->outputs);
+    free(pScrPriv);
+    RRNScreens -= 1;	/* ok, one fewer screen with RandR running */
+    return (*pScreen->CloseScreen) (i, pScreen);    
+}
+
+static void
+SRRScreenChangeNotifyEvent(xRRScreenChangeNotifyEvent *from,
+			   xRRScreenChangeNotifyEvent *to)
+{
+    to->type = from->type;
+    to->rotation = from->rotation;
+    cpswaps(from->sequenceNumber, to->sequenceNumber);
+    cpswapl(from->timestamp, to->timestamp);
+    cpswapl(from->configTimestamp, to->configTimestamp);
+    cpswapl(from->root, to->root);
+    cpswapl(from->window, to->window);
+    cpswaps(from->sizeID, to->sizeID);
+    cpswaps(from->subpixelOrder, to->subpixelOrder);
+    cpswaps(from->widthInPixels, to->widthInPixels);
+    cpswaps(from->heightInPixels, to->heightInPixels);
+    cpswaps(from->widthInMillimeters, to->widthInMillimeters);
+    cpswaps(from->heightInMillimeters, to->heightInMillimeters);
+}
+
+static void
+SRRCrtcChangeNotifyEvent(xRRCrtcChangeNotifyEvent *from,
+			 xRRCrtcChangeNotifyEvent *to)
+{
+    to->type = from->type;
+    to->subCode = from->subCode;
+    cpswaps(from->sequenceNumber, to->sequenceNumber);
+    cpswapl(from->timestamp, to->timestamp);
+    cpswapl(from->window, to->window);
+    cpswapl(from->crtc, to->crtc);
+    cpswapl(from->mode, to->mode);
+    cpswaps(from->rotation, to->rotation);
+    /* pad1 */
+    cpswaps(from->x, to->x);
+    cpswaps(from->y, to->y);
+    cpswaps(from->width, to->width);
+    cpswaps(from->height, to->height);
+}
+
+static void
+SRROutputChangeNotifyEvent(xRROutputChangeNotifyEvent *from,
+			   xRROutputChangeNotifyEvent *to)
+{
+    to->type = from->type;
+    to->subCode = from->subCode;
+    cpswaps(from->sequenceNumber, to->sequenceNumber);
+    cpswapl(from->timestamp, to->timestamp);
+    cpswapl(from->configTimestamp, to->configTimestamp);
+    cpswapl(from->window, to->window);
+    cpswapl(from->output, to->output);
+    cpswapl(from->crtc, to->crtc);
+    cpswapl(from->mode, to->mode);
+    cpswaps(from->rotation, to->rotation);
+    to->connection = from->connection;
+    to->subpixelOrder = from->subpixelOrder;
+}
+
+static void
+SRROutputPropertyNotifyEvent(xRROutputPropertyNotifyEvent *from,
+			     xRROutputPropertyNotifyEvent *to)
+{
+    to->type = from->type;
+    to->subCode = from->subCode;
+    cpswaps(from->sequenceNumber, to->sequenceNumber);
+    cpswapl(from->window, to->window);
+    cpswapl(from->output, to->output);
+    cpswapl(from->atom, to->atom);
+    cpswapl(from->timestamp, to->timestamp);
+    to->state = from->state;
+    /* pad1 */
+    /* pad2 */
+    /* pad3 */
+    /* pad4 */
+}
+
+static void
+SRRNotifyEvent (xEvent *from,
+		xEvent *to)
+{
+    switch (from->u.u.detail) {
+    case RRNotify_CrtcChange:
+	SRRCrtcChangeNotifyEvent ((xRRCrtcChangeNotifyEvent *) from,
+				  (xRRCrtcChangeNotifyEvent *) to);
+	break;
+    case RRNotify_OutputChange:
+	SRROutputChangeNotifyEvent ((xRROutputChangeNotifyEvent *) from,
+				    (xRROutputChangeNotifyEvent *) to);
+	break;
+    case RRNotify_OutputProperty:
+	SRROutputPropertyNotifyEvent ((xRROutputPropertyNotifyEvent *) from,
+				      (xRROutputPropertyNotifyEvent *) to);
+	break;
+    default:
+	break;
+    }
+}
+
+static int RRGeneration;
+
+Bool RRInit (void)
+{
+    if (RRGeneration != serverGeneration)
+    {
+	if (!RRModeInit ())
+	    return FALSE;
+	if (!RRCrtcInit ())
+	    return FALSE;
+	if (!RROutputInit ())
+	    return FALSE;
+	RRGeneration = serverGeneration;
+    }
+    if (!dixRegisterPrivateKey(&rrPrivKeyRec, PRIVATE_SCREEN, 0))
+	return FALSE;
+
+    return TRUE;
+}
+
+Bool RRScreenInit(ScreenPtr pScreen)
+{
+    rrScrPrivPtr   pScrPriv;
+
+    if (!RRInit ())
+	return FALSE;
+
+    pScrPriv = (rrScrPrivPtr) calloc(1, sizeof (rrScrPrivRec));
+    if (!pScrPriv)
+	return FALSE;
+
+    SetRRScreen(pScreen, pScrPriv);
+
+    /*
+     * Calling function best set these function vectors
+     */
+    pScrPriv->rrGetInfo = 0;
+    pScrPriv->maxWidth = pScrPriv->minWidth = pScreen->width;
+    pScrPriv->maxHeight = pScrPriv->minHeight = pScreen->height;
+    
+    pScrPriv->width = pScreen->width;
+    pScrPriv->height = pScreen->height;
+    pScrPriv->mmWidth = pScreen->mmWidth;
+    pScrPriv->mmHeight = pScreen->mmHeight;
+#if RANDR_12_INTERFACE
+    pScrPriv->rrScreenSetSize = NULL;
+    pScrPriv->rrCrtcSet = NULL;
+    pScrPriv->rrCrtcSetGamma = NULL;
+#endif
+#if RANDR_10_INTERFACE    
+    pScrPriv->rrSetConfig = 0;
+    pScrPriv->rotations = RR_Rotate_0;
+    pScrPriv->reqWidth = pScreen->width;
+    pScrPriv->reqHeight = pScreen->height;
+    pScrPriv->nSizes = 0;
+    pScrPriv->pSizes = NULL;
+    pScrPriv->rotation = RR_Rotate_0;
+    pScrPriv->rate = 0;
+    pScrPriv->size = 0;
+#endif
+    
+    /*
+     * This value doesn't really matter -- any client must call
+     * GetScreenInfo before reading it which will automatically update
+     * the time
+     */
+    pScrPriv->lastSetTime = currentTime;
+    pScrPriv->lastConfigTime = currentTime;
+    
+    wrap (pScrPriv, pScreen, CloseScreen, RRCloseScreen);
+
+    pScreen->ConstrainCursorHarder = RRConstrainCursorHarder;
+
+    pScrPriv->numOutputs = 0;
+    pScrPriv->outputs = NULL;
+    pScrPriv->numCrtcs = 0;
+    pScrPriv->crtcs = NULL;
+    
+    RRNScreens += 1;	/* keep count of screens that implement randr */
+    return TRUE;
+}
+
+/*ARGSUSED*/
+static int
+RRFreeClient (pointer data, XID id)
+{
+    RREventPtr   pRREvent;
+    WindowPtr	    pWin;
+    RREventPtr   *pHead, pCur, pPrev;
+
+    pRREvent = (RREventPtr) data;
+    pWin = pRREvent->window;
+    dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id,
+			    RREventType, serverClient, DixDestroyAccess);
+    if (pHead) {
+	pPrev = 0;
+	for (pCur = *pHead; pCur && pCur != pRREvent; pCur=pCur->next)
+	    pPrev = pCur;
+	if (pCur)
+	{
+	    if (pPrev)
+	    	pPrev->next = pRREvent->next;
+	    else
+	    	*pHead = pRREvent->next;
+	}
+    }
+    free((pointer) pRREvent);
+    return 1;
+}
+
+/*ARGSUSED*/
+static int
+RRFreeEvents (pointer data, XID id)
+{
+    RREventPtr   *pHead, pCur, pNext;
+
+    pHead = (RREventPtr *) data;
+    for (pCur = *pHead; pCur; pCur = pNext) {
+	pNext = pCur->next;
+	FreeResource (pCur->clientResource, RRClientType);
+	free((pointer) pCur);
+    }
+    free((pointer) pHead);
+    return 1;
+}
+
+void
+RRExtensionInit (void)
+{
+    ExtensionEntry *extEntry;
+
+    if (RRNScreens == 0) return;
+
+    if (!dixRegisterPrivateKey(&RRClientPrivateKeyRec, PRIVATE_CLIENT,
+			       sizeof (RRClientRec) +
+			       screenInfo.numScreens * sizeof (RRTimesRec)))
+	return;
+    if (!AddCallback (&ClientStateCallback, RRClientCallback, 0))
+	return;
+
+    RRClientType = CreateNewResourceType(RRFreeClient, "RandRClient");
+    if (!RRClientType)
+	return;
+    RREventType = CreateNewResourceType(RRFreeEvents, "RandREvent");
+    if (!RREventType)
+	return;
+    extEntry = AddExtension (RANDR_NAME, RRNumberEvents, RRNumberErrors,
+			     ProcRRDispatch, SProcRRDispatch,
+			     NULL, StandardMinorOpcode);
+    if (!extEntry)
+	return;
+    RRErrorBase = extEntry->errorBase;
+    RREventBase = extEntry->eventBase;
+    EventSwapVector[RREventBase + RRScreenChangeNotify] = (EventSwapPtr) 
+	SRRScreenChangeNotifyEvent;
+    EventSwapVector[RREventBase + RRNotify] = (EventSwapPtr)
+	SRRNotifyEvent;
+
+    RRModeInitErrorValue();
+    RRCrtcInitErrorValue();
+    RROutputInitErrorValue();
+
+#ifdef PANORAMIX
+    RRXineramaExtensionInit();
+#endif
+}
+
+static int
+TellChanged (WindowPtr pWin, pointer value)
+{
+    RREventPtr			*pHead, pRREvent;
+    ClientPtr			client;
+    ScreenPtr			pScreen = pWin->drawable.pScreen;
+    rrScrPriv(pScreen);
+    int				i;
+
+    dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id,
+			    RREventType, serverClient, DixReadAccess);
+    if (!pHead)
+	return WT_WALKCHILDREN;
+
+    for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) 
+    {
+	client = pRREvent->client;
+	if (client == serverClient || client->clientGone)
+	    continue;
+
+	if (pRREvent->mask & RRScreenChangeNotifyMask)
+	    RRDeliverScreenEvent (client, pWin, pScreen);
+	
+	if (pRREvent->mask & RRCrtcChangeNotifyMask)
+	{
+	    for (i = 0; i < pScrPriv->numCrtcs; i++)
+	    {
+		RRCrtcPtr   crtc = pScrPriv->crtcs[i];
+		if (crtc->changed)
+		    RRDeliverCrtcEvent (client, pWin, crtc);
+	    }
+	}
+	
+	if (pRREvent->mask & RROutputChangeNotifyMask)
+	{
+	    for (i = 0; i < pScrPriv->numOutputs; i++)
+	    {
+		RROutputPtr   output = pScrPriv->outputs[i];
+		if (output->changed)
+		    RRDeliverOutputEvent (client, pWin, output);
+	    }
+	}
+    }
+    return WT_WALKCHILDREN;
+}
+
+/*
+ * Something changed; send events and adjust pointer position
+ */
+void
+RRTellChanged (ScreenPtr pScreen)
+{
+    rrScrPriv (pScreen);
+    int i;
+    
+    if (pScrPriv->changed)
+    {
+	UpdateCurrentTime ();
+	if (pScrPriv->configChanged)
+	{
+	    pScrPriv->lastConfigTime = currentTime;
+	    pScrPriv->configChanged = FALSE;
+	}
+	pScrPriv->changed = FALSE;
+	WalkTree (pScreen, TellChanged, (pointer) pScreen);
+	for (i = 0; i < pScrPriv->numOutputs; i++)
+	    pScrPriv->outputs[i]->changed = FALSE;
+	for (i = 0; i < pScrPriv->numCrtcs; i++)
+	    pScrPriv->crtcs[i]->changed = FALSE;
+	if (pScrPriv->layoutChanged)
+	{
+	    pScrPriv->layoutChanged = FALSE;
+	    RRPointerScreenConfigured (pScreen);
+	    RRSendConfigNotify (pScreen);
+	}
+    }
+}
+
+/*
+ * Return the first output which is connected to an active CRTC
+ * Used in emulating 1.0 behaviour
+ */
+RROutputPtr
+RRFirstOutput (ScreenPtr pScreen)
+{
+    rrScrPriv(pScreen);
+    RROutputPtr		    output;
+    int	i, j;
+    
+    if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc)
+	return pScrPriv->primaryOutput;
+
+    for (i = 0; i < pScrPriv->numCrtcs; i++)
+    {
+	RRCrtcPtr   crtc = pScrPriv->crtcs[i];
+	for (j = 0; j < pScrPriv->numOutputs; j++)
+	{
+	    output = pScrPriv->outputs[j];
+	    if (output->crtc == crtc)
+		return output;
+	}
+    }
+    return NULL;
+}
+
+CARD16
+RRVerticalRefresh (xRRModeInfo *mode)
+{
+    CARD32  refresh;
+    CARD32  dots = mode->hTotal * mode->vTotal;
+    if (!dots)
+	return 0;
+    refresh = (mode->dotClock + dots/2) / dots;
+    if (refresh > 0xffff)
+	refresh = 0xffff;
+    return (CARD16) refresh;
+}
+
+static int
+ProcRRDispatch (ClientPtr client)
+{
+    REQUEST(xReq);
+    if (stuff->data >= RRNumberRequests || !ProcRandrVector[stuff->data])
+	return BadRequest;
+    return (*ProcRandrVector[stuff->data]) (client);
+}
+
+static int
+SProcRRDispatch (ClientPtr client)
+{
+    REQUEST(xReq);
+    if (stuff->data >= RRNumberRequests || !ProcRandrVector[stuff->data])
+	return BadRequest;
+    return (*SProcRandrVector[stuff->data]) (client);
+}
+