xserver libX11 libxcb mesa git update 15 Mar 2011

3 files changed, 2984 insertions, 2823 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);

+}

+

diff --git a/xorg-server/randr/randrstr.h b/xorg-server/randr/randrstr.h
index 7ea608003..262a16420 100644
--- a/xorg-server/randr/randrstr.h
+++ b/xorg-server/randr/randrstr.h
@@ -1,970 +1,974 @@
-/*
- * Copyright © 2000 Compaq Computer Corporation
- * Copyright © 2002 Hewlett-Packard Company
- * Copyright © 2006 Intel Corporation
- * Copyright © 2008 Red Hat, Inc.
- *
- * 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
-
-#ifndef _RANDRSTR_H_
-#define _RANDRSTR_H_
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "os.h"
-#include "dixstruct.h"
-#include "resource.h"
-#include "scrnintstr.h"
-#include "windowstr.h"
-#include "pixmapstr.h"
-#include "extnsionst.h"
-#include "servermd.h"
-#include "rrtransform.h"
-#include <X11/extensions/randr.h>
-#include <X11/extensions/randrproto.h>
-#include <X11/extensions/render.h> 	/* we share subpixel order information */
-#include "picturestr.h"
-#include <X11/Xfuncproto.h>
-
-/* required for ABI compatibility for now */
-#define RANDR_10_INTERFACE 1
-#define RANDR_12_INTERFACE 1
-#define RANDR_13_INTERFACE 1 /* requires RANDR_12_INTERFACE */
-#define RANDR_GET_CRTC_INTERFACE 1
-
-#define RANDR_INTERFACE_VERSION 0x0103
-
-typedef XID	RRMode;
-typedef XID	RROutput;
-typedef XID	RRCrtc;
-
-extern _X_EXPORT int	RREventBase, RRErrorBase;
-
-extern _X_EXPORT int (*ProcRandrVector[RRNumberRequests])(ClientPtr);
-extern _X_EXPORT int (*SProcRandrVector[RRNumberRequests])(ClientPtr);
-    
-/*
- * Modeline for a monitor. Name follows directly after this struct
- */
-
-#define RRModeName(pMode) ((char *) (pMode + 1))
-typedef struct _rrMode		RRModeRec, *RRModePtr;
-typedef struct _rrPropertyValue	RRPropertyValueRec, *RRPropertyValuePtr;
-typedef struct _rrProperty	RRPropertyRec, *RRPropertyPtr;
-typedef struct _rrCrtc		RRCrtcRec, *RRCrtcPtr;
-typedef struct _rrOutput	RROutputRec, *RROutputPtr;
-
-struct _rrMode {
-    int		    refcnt;
-    xRRModeInfo	    mode;
-    char	    *name;
-    ScreenPtr	    userScreen;
-};
-
-struct _rrPropertyValue {
-    Atom	    type;       /* ignored by server */
-    short	    format;     /* format of data for swapping - 8,16,32 */
-    long	    size;	/* size of data in (format/8) bytes */
-    pointer         data;	/* private to client */
-};
-
-struct _rrProperty {
-    RRPropertyPtr   next;
-    ATOM 	    propertyName;
-    Bool	    is_pending;
-    Bool	    range;
-    Bool	    immutable;
-    int		    num_valid;
-    INT32	    *valid_values;
-    RRPropertyValueRec	current, pending;
-};
-
-struct _rrCrtc {
-    RRCrtc	    id;
-    ScreenPtr	    pScreen;
-    RRModePtr	    mode;
-    int		    x, y;
-    Rotation	    rotation;
-    Rotation	    rotations;
-    Bool	    changed;
-    int		    numOutputs;
-    RROutputPtr	    *outputs;
-    int		    gammaSize;
-    CARD16	    *gammaRed;
-    CARD16	    *gammaBlue;
-    CARD16	    *gammaGreen;
-    void	    *devPrivate;
-    Bool	    transforms;
-    RRTransformRec  client_pending_transform;
-    RRTransformRec  client_current_transform;
-    PictTransform   transform;
-    struct pict_f_transform f_transform;
-    struct pict_f_transform f_inverse;
-};
-
-struct _rrOutput {
-    RROutput	    id;
-    ScreenPtr	    pScreen;
-    char	    *name;
-    int		    nameLength;
-    CARD8	    connection;
-    CARD8	    subpixelOrder;
-    int		    mmWidth;
-    int		    mmHeight;
-    RRCrtcPtr	    crtc;
-    int		    numCrtcs;
-    RRCrtcPtr	    *crtcs;
-    int		    numClones;
-    RROutputPtr	    *clones;
-    int		    numModes;
-    int		    numPreferred;
-    RRModePtr	    *modes;
-    int		    numUserModes;
-    RRModePtr	    *userModes;
-    Bool	    changed;
-    RRPropertyPtr   properties;
-    Bool	    pendingProperties;
-    void	    *devPrivate;
-};
-
-#if RANDR_12_INTERFACE
-typedef Bool (*RRScreenSetSizeProcPtr) (ScreenPtr	pScreen,
-					CARD16		width,
-					CARD16		height,
-					CARD32		mmWidth,
-					CARD32		mmHeight);
-					
-typedef Bool (*RRCrtcSetProcPtr) (ScreenPtr		pScreen,
-				  RRCrtcPtr		crtc,
-				  RRModePtr		mode,
-				  int			x,
-				  int			y,
-				  Rotation		rotation,
-				  int			numOutputs,
-				  RROutputPtr		*outputs);
-
-typedef Bool (*RRCrtcSetGammaProcPtr) (ScreenPtr	pScreen,
-				       RRCrtcPtr	crtc);
-
-typedef Bool (*RRCrtcGetGammaProcPtr) (ScreenPtr	pScreen,
-				       RRCrtcPtr	crtc);
-
-typedef Bool (*RROutputSetPropertyProcPtr) (ScreenPtr		pScreen,
-					    RROutputPtr		output,
-					    Atom		property,
-					    RRPropertyValuePtr	value);
-
-typedef Bool (*RROutputValidateModeProcPtr) (ScreenPtr		pScreen,
-					     RROutputPtr	output,
-					     RRModePtr		mode);
-
-typedef void (*RRModeDestroyProcPtr) (ScreenPtr	    pScreen,
-				      RRModePtr	    mode);
-
-#endif
-
-#if RANDR_13_INTERFACE
-typedef Bool (*RROutputGetPropertyProcPtr) (ScreenPtr		pScreen,
-					    RROutputPtr		output,
-					    Atom		property);
-typedef Bool (*RRGetPanningProcPtr)    (ScreenPtr		pScrn,
-					RRCrtcPtr		crtc,
-					BoxPtr		totalArea,
-					BoxPtr		trackingArea,
-					INT16		*border);
-typedef Bool (*RRSetPanningProcPtr)    (ScreenPtr		pScrn,
-					RRCrtcPtr		crtc,
-					BoxPtr		totalArea,
-					BoxPtr		trackingArea,
-					INT16		*border);
-
-#endif /* RANDR_13_INTERFACE */
-
-typedef Bool (*RRGetInfoProcPtr) (ScreenPtr pScreen, Rotation *rotations);
-typedef Bool (*RRCloseScreenProcPtr) ( int i, ScreenPtr pscreen);
-
-/* These are for 1.0 compatibility */
- 
-typedef struct _rrRefresh {
-    CARD16	    rate;
-    RRModePtr	    mode;
-} RRScreenRate, *RRScreenRatePtr;
-
-typedef struct _rrScreenSize {
-    int		    id;
-    short	    width, height;
-    short	    mmWidth, mmHeight;
-    int		    nRates;
-    RRScreenRatePtr pRates;
-} RRScreenSize, *RRScreenSizePtr;
-
-#ifdef RANDR_10_INTERFACE
-
-typedef Bool (*RRSetConfigProcPtr) (ScreenPtr		pScreen,
-				    Rotation		rotation,
-				    int			rate,
-				    RRScreenSizePtr	pSize);
-
-#endif
-	
-
-typedef struct _rrScrPriv {
-    /*
-     * 'public' part of the structure; DDXen fill this in
-     * as they initialize
-     */
-#if RANDR_10_INTERFACE
-    RRSetConfigProcPtr	    rrSetConfig;
-#endif
-    RRGetInfoProcPtr	    rrGetInfo;
-#if RANDR_12_INTERFACE
-    RRScreenSetSizeProcPtr  rrScreenSetSize;
-    RRCrtcSetProcPtr	    rrCrtcSet;
-    RRCrtcSetGammaProcPtr   rrCrtcSetGamma;
-    RRCrtcGetGammaProcPtr   rrCrtcGetGamma;
-    RROutputSetPropertyProcPtr	rrOutputSetProperty;
-    RROutputValidateModeProcPtr	rrOutputValidateMode;
-    RRModeDestroyProcPtr	rrModeDestroy;
-#endif
-#if RANDR_13_INTERFACE
-    RROutputGetPropertyProcPtr	rrOutputGetProperty;
-    RRGetPanningProcPtr	rrGetPanning;
-    RRSetPanningProcPtr	rrSetPanning;
-#endif
-    
-    /*
-     * Private part of the structure; not considered part of the ABI
-     */
-    TimeStamp		    lastSetTime;	/* last changed by client */
-    TimeStamp		    lastConfigTime;	/* possible configs changed */
-    RRCloseScreenProcPtr    CloseScreen;
-
-    Bool		    changed;		/* some config changed */
-    Bool		    configChanged;	/* configuration changed */
-    Bool		    layoutChanged;	/* screen layout changed */
-
-    CARD16		    minWidth, minHeight;
-    CARD16		    maxWidth, maxHeight;
-    CARD16		    width, height;	/* last known screen size */
-    CARD16		    mmWidth, mmHeight;	/* last known screen size */
-
-    int			    numOutputs;
-    RROutputPtr		    *outputs;
-    RROutputPtr		    primaryOutput;
-
-    int			    numCrtcs;
-    RRCrtcPtr		    *crtcs;
-
-    /* Last known pointer position */
-    RRCrtcPtr		    pointerCrtc;
-
-#ifdef RANDR_10_INTERFACE
-    /*
-     * Configuration information
-     */
-    Rotation		    rotations;
-    CARD16		    reqWidth, reqHeight;
-    
-    int			    nSizes;
-    RRScreenSizePtr	    pSizes;
-    
-    Rotation		    rotation;
-    int			    rate;
-    int			    size;
-#endif
-} rrScrPrivRec, *rrScrPrivPtr;
-
-extern _X_EXPORT DevPrivateKeyRec rrPrivKeyRec;
-#define rrPrivKey (&rrPrivKeyRec)
-
-#define rrGetScrPriv(pScr)  ((rrScrPrivPtr)dixLookupPrivate(&(pScr)->devPrivates, rrPrivKey))
-#define rrScrPriv(pScr)	rrScrPrivPtr    pScrPriv = rrGetScrPriv(pScr)
-#define SetRRScreen(s,p) dixSetPrivate(&(s)->devPrivates, rrPrivKey, p)
-
-/*
- * each window has a list of clients requesting
- * RRNotify events.  Each client has a resource
- * for each window it selects RRNotify input for,
- * this resource is used to delete the RRNotifyRec
- * entry from the per-window queue.
- */
-
-typedef struct _RREvent *RREventPtr;
-
-typedef struct _RREvent {
-    RREventPtr  next;
-    ClientPtr	client;
-    WindowPtr	window;
-    XID		clientResource;
-    int		mask;
-} RREventRec;
-
-typedef struct _RRTimes {
-    TimeStamp	setTime;
-    TimeStamp	configTime;
-} RRTimesRec, *RRTimesPtr;
-
-typedef struct _RRClient {
-    int		major_version;
-    int		minor_version;
-/*  RRTimesRec	times[0]; */
-} RRClientRec, *RRClientPtr;
-
-extern _X_EXPORT RESTYPE RRClientType, RREventType; /* resource types for event masks */
-extern _X_EXPORT DevPrivateKeyRec RRClientPrivateKeyRec;
-#define RRClientPrivateKey (&RRClientPrivateKeyRec)
-extern _X_EXPORT RESTYPE RRCrtcType, RRModeType, RROutputType;
-
-#define VERIFY_RR_OUTPUT(id, ptr, a)\
-    {\
-	int rc = dixLookupResourceByType((pointer *)&(ptr), id,\
-	                                 RROutputType, client, a);\
-	if (rc != Success) {\
-	    client->errorValue = id;\
-	    return rc;\
-	}\
-    }
-
-#define VERIFY_RR_CRTC(id, ptr, a)\
-    {\
-	int rc = dixLookupResourceByType((pointer *)&(ptr), id,\
-	                                 RRCrtcType, client, a);\
-	if (rc != Success) {\
-	    client->errorValue = id;\
-	    return rc;\
-	}\
-    }
-
-#define VERIFY_RR_MODE(id, ptr, a)\
-    {\
-	int rc = dixLookupResourceByType((pointer *)&(ptr), id,\
-	                                 RRModeType, client, a);\
-	if (rc != Success) {\
-	    client->errorValue = id;\
-	    return rc;\
-	}\
-    }
-
-#define GetRRClient(pClient)    ((RRClientPtr)dixLookupPrivate(&(pClient)->devPrivates, RRClientPrivateKey))
-#define rrClientPriv(pClient)	RRClientPtr pRRClient = GetRRClient(pClient)
-
-/* Initialize the extension */
-extern _X_EXPORT void
-RRExtensionInit (void);
-
-#ifdef RANDR_12_INTERFACE
-/*
- * Set the range of sizes for the screen
- */
-extern _X_EXPORT void
-RRScreenSetSizeRange (ScreenPtr	pScreen,
-		      CARD16	minWidth,
-		      CARD16	minHeight,
-		      CARD16	maxWidth,
-		      CARD16	maxHeight);
-#endif
-
-/* rrscreen.c */
-/*
- * 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
- */
-extern _X_EXPORT void
-RRScreenSizeNotify (ScreenPtr	pScreen);
-
-/*
- * Request that the screen be resized
- */
-extern _X_EXPORT Bool
-RRScreenSizeSet (ScreenPtr  pScreen,
-		 CARD16	    width,
-		 CARD16	    height,
-		 CARD32	    mmWidth,
-		 CARD32	    mmHeight);
-
-/*
- * Send ConfigureNotify event to root window when 'something' happens
- */
-extern _X_EXPORT void
-RRSendConfigNotify (ScreenPtr pScreen);
-    
-/*
- * screen dispatch
- */
-extern _X_EXPORT int
-ProcRRGetScreenSizeRange (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRSetScreenSize (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRGetScreenResources (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRGetScreenResourcesCurrent (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRSetScreenConfig (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRGetScreenInfo (ClientPtr client);
-
-/*
- * Deliver a ScreenNotify event
- */
-extern _X_EXPORT void
-RRDeliverScreenEvent (ClientPtr client, WindowPtr pWin, ScreenPtr pScreen);
-    
-/* randr.c */
-/*
- * Send all pending events
- */
-extern _X_EXPORT void
-RRTellChanged (ScreenPtr pScreen);
-
-/*
- * Poll the driver for changed information
- */
-extern _X_EXPORT Bool
-RRGetInfo (ScreenPtr pScreen, Bool force_query);
-
-extern _X_EXPORT Bool RRInit (void);
-
-extern _X_EXPORT Bool RRScreenInit(ScreenPtr pScreen);
-
-extern _X_EXPORT RROutputPtr
-RRFirstOutput (ScreenPtr pScreen);
-
-extern _X_EXPORT Rotation
-RRGetRotation (ScreenPtr pScreen);
-
-extern _X_EXPORT CARD16
-RRVerticalRefresh (xRRModeInfo *mode);
-
-#ifdef RANDR_10_INTERFACE					
-/*
- * This is the old interface, deprecated but left
- * around for compatibility
- */
-
-/*
- * Then, register the specific size with the screen
- */
-
-extern _X_EXPORT RRScreenSizePtr
-RRRegisterSize (ScreenPtr		pScreen,
-		short			width, 
-		short			height,
-		short			mmWidth,
-		short			mmHeight);
-
-extern _X_EXPORT Bool
-RRRegisterRate (ScreenPtr		pScreen,
-		     RRScreenSizePtr	pSize,
-		     int		rate);
-
-/*
- * Finally, set the current configuration of the screen
- */
-
-extern _X_EXPORT void
-RRSetCurrentConfig (ScreenPtr		pScreen,
-		    Rotation		rotation,
-		    int			rate,
-		    RRScreenSizePtr	pSize);
-
-extern _X_EXPORT Bool RRScreenInit (ScreenPtr pScreen);
-
-extern _X_EXPORT Rotation
-RRGetRotation (ScreenPtr pScreen);
-
-#endif					
-
-/* rrcrtc.c */
-
-/*
- * Notify the CRTC of some change; layoutChanged indicates that
- * some position or size element changed
- */
-extern _X_EXPORT void
-RRCrtcChanged (RRCrtcPtr crtc, Bool layoutChanged);
-
-/*
- * Create a CRTC
- */
-extern _X_EXPORT RRCrtcPtr
-RRCrtcCreate (ScreenPtr pScreen, void	*devPrivate);
-
-/*
- * Set the allowed rotations on a CRTC
- */
-extern _X_EXPORT void
-RRCrtcSetRotations (RRCrtcPtr crtc, Rotation rotations);
-
-/*
- * Set whether transforms are allowed on a CRTC
- */
-extern _X_EXPORT void
-RRCrtcSetTransformSupport (RRCrtcPtr crtc, Bool transforms);
-
-/*
- * Notify the extension that the Crtc has been reconfigured,
- * the driver calls this whenever it has updated the mode
- */
-extern _X_EXPORT Bool
-RRCrtcNotify (RRCrtcPtr	    crtc,
-	      RRModePtr	    mode,
-	      int	    x,
-	      int	    y,
-	      Rotation	    rotation,
-	      RRTransformPtr transform,
-	      int	    numOutputs,
-	      RROutputPtr   *outputs);
-
-extern _X_EXPORT void
-RRDeliverCrtcEvent (ClientPtr client, WindowPtr pWin, RRCrtcPtr crtc);
-    
-/*
- * Request that the Crtc be reconfigured
- */
-extern _X_EXPORT Bool
-RRCrtcSet (RRCrtcPtr    crtc,
-	   RRModePtr	mode,
-	   int		x,
-	   int		y,
-	   Rotation	rotation,
-	   int		numOutput,
-	   RROutputPtr  *outputs);
-
-/*
- * Request that the Crtc gamma be changed
- */
-
-extern _X_EXPORT Bool
-RRCrtcGammaSet (RRCrtcPtr   crtc,
-		CARD16	    *red,
-		CARD16	    *green,
-		CARD16	    *blue);
-
-/*
- * Request current gamma back from the DDX (if possible).
- * This includes gamma size.
- */
- 
-extern _X_EXPORT Bool
-RRCrtcGammaGet(RRCrtcPtr crtc);
-
-/*
- * Notify the extension that the Crtc gamma has been changed
- * The driver calls this whenever it has changed the gamma values
- * in the RRCrtcRec
- */
-
-extern _X_EXPORT Bool
-RRCrtcGammaNotify (RRCrtcPtr	crtc);
-
-/*
- * Set the size of the gamma table at server startup time
- */
-
-extern _X_EXPORT Bool
-RRCrtcGammaSetSize (RRCrtcPtr	crtc,
-		    int		size);
-
-/*
- * Return the area of the frame buffer scanned out by the crtc,
- * taking into account the current mode and rotation
- */
-
-extern _X_EXPORT void
-RRCrtcGetScanoutSize(RRCrtcPtr crtc, int *width, int *height);
-
-/*
- * Compute the complete transformation matrix including
- * client-specified transform, rotation/reflection values and the crtc 
- * offset.
- *
- * Return TRUE if the resulting transform is not a simple translation.
- */
-extern _X_EXPORT Bool
-RRTransformCompute (int			    x,
-		    int			    y,
-		    int			    width,
-		    int			    height,
-		    Rotation		    rotation,
-		    RRTransformPtr	    rr_transform,
-
-		    PictTransformPtr	    transform,
-		    struct pict_f_transform *f_transform,
-		    struct pict_f_transform *f_inverse);
-
-/*
- * Return crtc transform
- */
-extern _X_EXPORT RRTransformPtr
-RRCrtcGetTransform (RRCrtcPtr crtc);
-
-/*
- * Check whether the pending and current transforms are the same
- */
-extern _X_EXPORT Bool
-RRCrtcPendingTransform (RRCrtcPtr crtc);
-
-/*
- * Destroy a Crtc at shutdown
- */
-extern _X_EXPORT void
-RRCrtcDestroy (RRCrtcPtr crtc);
-
-
-/*
- * Set the pending CRTC transformation
- */
-
-extern _X_EXPORT int
-RRCrtcTransformSet (RRCrtcPtr		crtc,
-		    PictTransformPtr	transform,
-		    struct pict_f_transform *f_transform,
-		    struct pict_f_transform *f_inverse,
-		    char		*filter,
-		    int			filter_len,
-		    xFixed		*params,
-		    int			nparams);
-
-/*
- * Initialize crtc type
- */
-extern _X_EXPORT Bool
-RRCrtcInit (void);
-
-/*
- * Initialize crtc type error value
- */
-extern _X_EXPORT void
-RRCrtcInitErrorValue (void);
-
-/*
- * Crtc dispatch
- */
-
-extern _X_EXPORT int
-ProcRRGetCrtcInfo (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRSetCrtcConfig (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRGetCrtcGammaSize (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRGetCrtcGamma (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRSetCrtcGamma (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRSetCrtcTransform (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRGetCrtcTransform (ClientPtr client);
-
-int
-ProcRRGetPanning (ClientPtr client);
-
-int
-ProcRRSetPanning (ClientPtr client);
-
-/* rrdispatch.c */
-extern _X_EXPORT Bool
-RRClientKnowsRates (ClientPtr	pClient);
-
-/* rrmode.c */
-/*
- * Find, and if necessary, create a mode
- */
-
-extern _X_EXPORT RRModePtr
-RRModeGet (xRRModeInfo	*modeInfo,
-	   const char	*name);
-
-/*
- * Destroy a mode.
- */
-
-extern _X_EXPORT void
-RRModeDestroy (RRModePtr mode);
-
-/*
- * Return a list of modes that are valid for some output in pScreen
- */
-extern _X_EXPORT RRModePtr *
-RRModesForScreen (ScreenPtr pScreen, int *num_ret);
-    
-/*
- * Initialize mode type
- */
-extern _X_EXPORT Bool
-RRModeInit (void);
-
-/*
- * Initialize mode type error value
- */
-extern _X_EXPORT void
-RRModeInitErrorValue (void);
-    
-extern _X_EXPORT int
-ProcRRCreateMode (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRDestroyMode (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRAddOutputMode (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRDeleteOutputMode (ClientPtr client);
-
-/* rroutput.c */
-
-/*
- * Notify the output of some change. configChanged indicates whether
- * any external configuration (mode list, clones, connected status)
- * has changed, or whether the change was strictly internal
- * (which crtc is in use)
- */
-extern _X_EXPORT void
-RROutputChanged (RROutputPtr output, Bool configChanged);
-
-/*
- * Create an output
- */
-
-extern _X_EXPORT RROutputPtr
-RROutputCreate (ScreenPtr   pScreen,
-		const char  *name,
-		int	    nameLength,
-		void	    *devPrivate);
-
-/*
- * Notify extension that output parameters have been changed
- */
-extern _X_EXPORT Bool
-RROutputSetClones (RROutputPtr  output,
-		   RROutputPtr  *clones,
-		   int		numClones);
-
-extern _X_EXPORT Bool
-RROutputSetModes (RROutputPtr	output,
-		  RRModePtr	*modes,
-		  int		numModes,
-		  int		numPreferred);
-
-extern _X_EXPORT int
-RROutputAddUserMode (RROutputPtr    output,
-		     RRModePtr	    mode);
-
-extern _X_EXPORT int
-RROutputDeleteUserMode (RROutputPtr output,
-			RRModePtr   mode);
-
-extern _X_EXPORT Bool
-RROutputSetCrtcs (RROutputPtr	output,
-		  RRCrtcPtr	*crtcs,
-		  int		numCrtcs);
-
-extern _X_EXPORT Bool
-RROutputSetConnection (RROutputPtr  output,
-		       CARD8	    connection);
-
-extern _X_EXPORT Bool
-RROutputSetSubpixelOrder (RROutputPtr output,
-			  int	      subpixelOrder);
-
-extern _X_EXPORT Bool
-RROutputSetPhysicalSize (RROutputPtr	output,
-			 int		mmWidth,
-			 int		mmHeight);
-
-extern _X_EXPORT void
-RRDeliverOutputEvent(ClientPtr client, WindowPtr pWin, RROutputPtr output);
-
-extern _X_EXPORT void
-RROutputDestroy (RROutputPtr	output);
-
-extern _X_EXPORT int
-ProcRRGetOutputInfo (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRSetOutputPrimary (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRGetOutputPrimary (ClientPtr client);
-
-/*
- * Initialize output type
- */
-extern _X_EXPORT Bool
-RROutputInit (void);
-
-/*
- * Initialize output type error value
- */
-extern _X_EXPORT void
-RROutputInitErrorValue (void);
-    
-/* rrpointer.c */
-extern _X_EXPORT void
-RRPointerMoved (ScreenPtr pScreen, int x, int y);
-
-extern _X_EXPORT void
-RRPointerScreenConfigured (ScreenPtr pScreen);
-
-/* rrproperty.c */
-
-extern _X_EXPORT void
-RRDeleteAllOutputProperties (RROutputPtr output);
-
-extern _X_EXPORT RRPropertyValuePtr
-RRGetOutputProperty (RROutputPtr output, Atom property, Bool pending);
-
-extern _X_EXPORT RRPropertyPtr
-RRQueryOutputProperty (RROutputPtr output, Atom property);
-		       
-extern _X_EXPORT void
-RRDeleteOutputProperty (RROutputPtr output, Atom property);
-
-extern _X_EXPORT Bool
-RRPostPendingProperties (RROutputPtr output);
-    
-extern _X_EXPORT int
-RRChangeOutputProperty (RROutputPtr output, Atom property, Atom type,
-			int format, int mode, unsigned long len,
-			pointer value, Bool sendevent, Bool pending);
-
-extern _X_EXPORT int
-RRConfigureOutputProperty (RROutputPtr output, Atom property,
-			   Bool pending, Bool range, Bool immutable,
-			   int num_values, INT32 *values);
-extern _X_EXPORT int
-ProcRRChangeOutputProperty (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRGetOutputProperty (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRListOutputProperties (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRQueryOutputProperty (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRConfigureOutputProperty (ClientPtr client);
-
-extern _X_EXPORT int
-ProcRRDeleteOutputProperty (ClientPtr client);
-
-/* rrxinerama.c */
-#ifdef XINERAMA
-extern _X_EXPORT void
-RRXineramaExtensionInit(void);
-#endif
-
-#endif /* _RANDRSTR_H_ */
-
-/*
- 
-randr extension implementation structure
-
-Query state:
-    ProcRRGetScreenInfo/ProcRRGetScreenResources
-	RRGetInfo
- 
-	    • Request configuration from driver, either 1.0 or 1.2 style
-	    • These functions only record state changes, all
-	      other actions are pended until RRTellChanged is called
- 
-	    ->rrGetInfo
-	    1.0:
-		RRRegisterSize
-		RRRegisterRate
-		RRSetCurrentConfig
-	    1.2:
-		RRScreenSetSizeRange
-		RROutputSetCrtcs
-		RRModeGet
-		RROutputSetModes
-		RROutputSetConnection
-		RROutputSetSubpixelOrder
-		RROutputSetClones
-		RRCrtcNotify
- 
-	• Must delay scanning configuration until after ->rrGetInfo returns
-	  because some drivers will call SetCurrentConfig in the middle
-	  of the ->rrGetInfo operation.
- 
-	1.0:
-
-	    • Scan old configuration, mirror to new structures
- 
-	    RRScanOldConfig
-		RRCrtcCreate
-		RROutputCreate
-		RROutputSetCrtcs
-		RROutputSetConnection
-		RROutputSetSubpixelOrder
-		RROldModeAdd	• This adds modes one-at-a-time
-		    RRModeGet
-		RRCrtcNotify
- 
-	• send events, reset pointer if necessary
- 
-	RRTellChanged
-	    WalkTree (sending events)
- 
-	    • when layout has changed:
-		RRPointerScreenConfigured
-		RRSendConfigNotify
- 
-Asynchronous state setting (1.2 only)
-    When setting state asynchronously, the driver invokes the
-    ->rrGetInfo function and then calls RRTellChanged to flush
-    the changes to the clients and reset pointer if necessary
-
-Set state
-
-    ProcRRSetScreenConfig
-	RRCrtcSet
-	    1.2:
-		->rrCrtcSet
-		    RRCrtcNotify
-	    1.0:
-		->rrSetConfig
-		RRCrtcNotify
-	    RRTellChanged
- */
+/*

+ * Copyright © 2000 Compaq Computer Corporation

+ * Copyright © 2002 Hewlett-Packard Company

+ * Copyright © 2006 Intel Corporation

+ * Copyright © 2008 Red Hat, Inc.

+ *

+ * 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

+

+#ifndef _RANDRSTR_H_

+#define _RANDRSTR_H_

+

+#include <X11/X.h>

+#include <X11/Xproto.h>

+#include "misc.h"

+#include "os.h"

+#include "dixstruct.h"

+#include "resource.h"

+#include "scrnintstr.h"

+#include "windowstr.h"

+#include "pixmapstr.h"

+#include "extnsionst.h"

+#include "servermd.h"

+#include "rrtransform.h"

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

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

+#include <X11/extensions/render.h> 	/* we share subpixel order information */

+#include "picturestr.h"

+#include <X11/Xfuncproto.h>

+

+/* required for ABI compatibility for now */

+#define RANDR_10_INTERFACE 1

+#define RANDR_12_INTERFACE 1

+#define RANDR_13_INTERFACE 1 /* requires RANDR_12_INTERFACE */

+#define RANDR_GET_CRTC_INTERFACE 1

+

+#define RANDR_INTERFACE_VERSION 0x0103

+

+typedef XID	RRMode;

+typedef XID	RROutput;

+typedef XID	RRCrtc;

+

+extern _X_EXPORT int	RREventBase, RRErrorBase;

+

+extern _X_EXPORT int (*ProcRandrVector[RRNumberRequests])(ClientPtr);

+extern _X_EXPORT int (*SProcRandrVector[RRNumberRequests])(ClientPtr);

+    

+/*

+ * Modeline for a monitor. Name follows directly after this struct

+ */

+

+#define RRModeName(pMode) ((char *) (pMode + 1))

+typedef struct _rrMode		RRModeRec, *RRModePtr;

+typedef struct _rrPropertyValue	RRPropertyValueRec, *RRPropertyValuePtr;

+typedef struct _rrProperty	RRPropertyRec, *RRPropertyPtr;

+typedef struct _rrCrtc		RRCrtcRec, *RRCrtcPtr;

+typedef struct _rrOutput	RROutputRec, *RROutputPtr;

+

+struct _rrMode {

+    int		    refcnt;

+    xRRModeInfo	    mode;

+    char	    *name;

+    ScreenPtr	    userScreen;

+};

+

+struct _rrPropertyValue {

+    Atom	    type;       /* ignored by server */

+    short	    format;     /* format of data for swapping - 8,16,32 */

+    long	    size;	/* size of data in (format/8) bytes */

+    pointer         data;	/* private to client */

+};

+

+struct _rrProperty {

+    RRPropertyPtr   next;

+    ATOM 	    propertyName;

+    Bool	    is_pending;

+    Bool	    range;

+    Bool	    immutable;

+    int		    num_valid;

+    INT32	    *valid_values;

+    RRPropertyValueRec	current, pending;

+};

+

+struct _rrCrtc {

+    RRCrtc	    id;

+    ScreenPtr	    pScreen;

+    RRModePtr	    mode;

+    int		    x, y;

+    Rotation	    rotation;

+    Rotation	    rotations;

+    Bool	    changed;

+    int		    numOutputs;

+    RROutputPtr	    *outputs;

+    int		    gammaSize;

+    CARD16	    *gammaRed;

+    CARD16	    *gammaBlue;

+    CARD16	    *gammaGreen;

+    void	    *devPrivate;

+    Bool	    transforms;

+    RRTransformRec  client_pending_transform;

+    RRTransformRec  client_current_transform;

+    PictTransform   transform;

+    struct pict_f_transform f_transform;

+    struct pict_f_transform f_inverse;

+};

+

+struct _rrOutput {

+    RROutput	    id;

+    ScreenPtr	    pScreen;

+    char	    *name;

+    int		    nameLength;

+    CARD8	    connection;

+    CARD8	    subpixelOrder;

+    int		    mmWidth;

+    int		    mmHeight;

+    RRCrtcPtr	    crtc;

+    int		    numCrtcs;

+    RRCrtcPtr	    *crtcs;

+    int		    numClones;

+    RROutputPtr	    *clones;

+    int		    numModes;

+    int		    numPreferred;

+    RRModePtr	    *modes;

+    int		    numUserModes;

+    RRModePtr	    *userModes;

+    Bool	    changed;

+    RRPropertyPtr   properties;

+    Bool	    pendingProperties;

+    void	    *devPrivate;

+};

+

+#if RANDR_12_INTERFACE

+typedef Bool (*RRScreenSetSizeProcPtr) (ScreenPtr	pScreen,

+					CARD16		width,

+					CARD16		height,

+					CARD32		mmWidth,

+					CARD32		mmHeight);

+					

+typedef Bool (*RRCrtcSetProcPtr) (ScreenPtr		pScreen,

+				  RRCrtcPtr		crtc,

+				  RRModePtr		mode,

+				  int			x,

+				  int			y,

+				  Rotation		rotation,

+				  int			numOutputs,

+				  RROutputPtr		*outputs);

+

+typedef Bool (*RRCrtcSetGammaProcPtr) (ScreenPtr	pScreen,

+				       RRCrtcPtr	crtc);

+

+typedef Bool (*RRCrtcGetGammaProcPtr) (ScreenPtr	pScreen,

+				       RRCrtcPtr	crtc);

+

+typedef Bool (*RROutputSetPropertyProcPtr) (ScreenPtr		pScreen,

+					    RROutputPtr		output,

+					    Atom		property,

+					    RRPropertyValuePtr	value);

+

+typedef Bool (*RROutputValidateModeProcPtr) (ScreenPtr		pScreen,

+					     RROutputPtr	output,

+					     RRModePtr		mode);

+

+typedef void (*RRModeDestroyProcPtr) (ScreenPtr	    pScreen,

+				      RRModePtr	    mode);

+

+#endif

+

+#if RANDR_13_INTERFACE

+typedef Bool (*RROutputGetPropertyProcPtr) (ScreenPtr		pScreen,

+					    RROutputPtr		output,

+					    Atom		property);

+typedef Bool (*RRGetPanningProcPtr)    (ScreenPtr		pScrn,

+					RRCrtcPtr		crtc,

+					BoxPtr		totalArea,

+					BoxPtr		trackingArea,

+					INT16		*border);

+typedef Bool (*RRSetPanningProcPtr)    (ScreenPtr		pScrn,

+					RRCrtcPtr		crtc,

+					BoxPtr		totalArea,

+					BoxPtr		trackingArea,

+					INT16		*border);

+

+#endif /* RANDR_13_INTERFACE */

+

+typedef Bool (*RRGetInfoProcPtr) (ScreenPtr pScreen, Rotation *rotations);

+typedef Bool (*RRCloseScreenProcPtr) ( int i, ScreenPtr pscreen);

+

+/* These are for 1.0 compatibility */

+ 

+typedef struct _rrRefresh {

+    CARD16	    rate;

+    RRModePtr	    mode;

+} RRScreenRate, *RRScreenRatePtr;

+

+typedef struct _rrScreenSize {

+    int		    id;

+    short	    width, height;

+    short	    mmWidth, mmHeight;

+    int		    nRates;

+    RRScreenRatePtr pRates;

+} RRScreenSize, *RRScreenSizePtr;

+

+#ifdef RANDR_10_INTERFACE

+

+typedef Bool (*RRSetConfigProcPtr) (ScreenPtr		pScreen,

+				    Rotation		rotation,

+				    int			rate,

+				    RRScreenSizePtr	pSize);

+

+#endif

+	

+

+typedef struct _rrScrPriv {

+    /*

+     * 'public' part of the structure; DDXen fill this in

+     * as they initialize

+     */

+#if RANDR_10_INTERFACE

+    RRSetConfigProcPtr	    rrSetConfig;

+#endif

+    RRGetInfoProcPtr	    rrGetInfo;

+#if RANDR_12_INTERFACE

+    RRScreenSetSizeProcPtr  rrScreenSetSize;

+    RRCrtcSetProcPtr	    rrCrtcSet;

+    RRCrtcSetGammaProcPtr   rrCrtcSetGamma;

+    RRCrtcGetGammaProcPtr   rrCrtcGetGamma;

+    RROutputSetPropertyProcPtr	rrOutputSetProperty;

+    RROutputValidateModeProcPtr	rrOutputValidateMode;

+    RRModeDestroyProcPtr	rrModeDestroy;

+#endif

+#if RANDR_13_INTERFACE

+    RROutputGetPropertyProcPtr	rrOutputGetProperty;

+    RRGetPanningProcPtr	rrGetPanning;

+    RRSetPanningProcPtr	rrSetPanning;

+#endif

+    

+    /*

+     * Private part of the structure; not considered part of the ABI

+     */

+    TimeStamp		    lastSetTime;	/* last changed by client */

+    TimeStamp		    lastConfigTime;	/* possible configs changed */

+    RRCloseScreenProcPtr    CloseScreen;

+

+    Bool		    changed;		/* some config changed */

+    Bool		    configChanged;	/* configuration changed */

+    Bool		    layoutChanged;	/* screen layout changed */

+

+    CARD16		    minWidth, minHeight;

+    CARD16		    maxWidth, maxHeight;

+    CARD16		    width, height;	/* last known screen size */

+    CARD16		    mmWidth, mmHeight;	/* last known screen size */

+

+    int			    numOutputs;

+    RROutputPtr		    *outputs;

+    RROutputPtr		    primaryOutput;

+

+    int			    numCrtcs;

+    RRCrtcPtr		    *crtcs;

+

+    /* Last known pointer position */

+    RRCrtcPtr		    pointerCrtc;

+

+#ifdef RANDR_10_INTERFACE

+    /*

+     * Configuration information

+     */

+    Rotation		    rotations;

+    CARD16		    reqWidth, reqHeight;

+    

+    int			    nSizes;

+    RRScreenSizePtr	    pSizes;

+    

+    Rotation		    rotation;

+    int			    rate;

+    int			    size;

+#endif

+    Bool                   discontiguous;

+} rrScrPrivRec, *rrScrPrivPtr;

+

+extern _X_EXPORT DevPrivateKeyRec rrPrivKeyRec;

+#define rrPrivKey (&rrPrivKeyRec)

+

+#define rrGetScrPriv(pScr)  ((rrScrPrivPtr)dixLookupPrivate(&(pScr)->devPrivates, rrPrivKey))

+#define rrScrPriv(pScr)	rrScrPrivPtr    pScrPriv = rrGetScrPriv(pScr)

+#define SetRRScreen(s,p) dixSetPrivate(&(s)->devPrivates, rrPrivKey, p)

+

+/*

+ * each window has a list of clients requesting

+ * RRNotify events.  Each client has a resource

+ * for each window it selects RRNotify input for,

+ * this resource is used to delete the RRNotifyRec

+ * entry from the per-window queue.

+ */

+

+typedef struct _RREvent *RREventPtr;

+

+typedef struct _RREvent {

+    RREventPtr  next;

+    ClientPtr	client;

+    WindowPtr	window;

+    XID		clientResource;

+    int		mask;

+} RREventRec;

+

+typedef struct _RRTimes {

+    TimeStamp	setTime;

+    TimeStamp	configTime;

+} RRTimesRec, *RRTimesPtr;

+

+typedef struct _RRClient {

+    int		major_version;

+    int		minor_version;

+/*  RRTimesRec	times[0]; */

+} RRClientRec, *RRClientPtr;

+

+extern _X_EXPORT RESTYPE RRClientType, RREventType; /* resource types for event masks */

+extern _X_EXPORT DevPrivateKeyRec RRClientPrivateKeyRec;

+#define RRClientPrivateKey (&RRClientPrivateKeyRec)

+extern _X_EXPORT RESTYPE RRCrtcType, RRModeType, RROutputType;

+

+#define VERIFY_RR_OUTPUT(id, ptr, a)\

+    {\

+	int rc = dixLookupResourceByType((pointer *)&(ptr), id,\

+	                                 RROutputType, client, a);\

+	if (rc != Success) {\

+	    client->errorValue = id;\

+	    return rc;\

+	}\

+    }

+

+#define VERIFY_RR_CRTC(id, ptr, a)\

+    {\

+	int rc = dixLookupResourceByType((pointer *)&(ptr), id,\

+	                                 RRCrtcType, client, a);\

+	if (rc != Success) {\

+	    client->errorValue = id;\

+	    return rc;\

+	}\

+    }

+

+#define VERIFY_RR_MODE(id, ptr, a)\

+    {\

+	int rc = dixLookupResourceByType((pointer *)&(ptr), id,\

+	                                 RRModeType, client, a);\

+	if (rc != Success) {\

+	    client->errorValue = id;\

+	    return rc;\

+	}\

+    }

+

+#define GetRRClient(pClient)    ((RRClientPtr)dixLookupPrivate(&(pClient)->devPrivates, RRClientPrivateKey))

+#define rrClientPriv(pClient)	RRClientPtr pRRClient = GetRRClient(pClient)

+

+/* Initialize the extension */

+extern _X_EXPORT void

+RRExtensionInit (void);

+

+#ifdef RANDR_12_INTERFACE

+/*

+ * Set the range of sizes for the screen

+ */

+extern _X_EXPORT void

+RRScreenSetSizeRange (ScreenPtr	pScreen,

+		      CARD16	minWidth,

+		      CARD16	minHeight,

+		      CARD16	maxWidth,

+		      CARD16	maxHeight);

+#endif

+

+/* rrscreen.c */

+/*

+ * 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

+ */

+extern _X_EXPORT void

+RRScreenSizeNotify (ScreenPtr	pScreen);

+

+/*

+ * Request that the screen be resized

+ */

+extern _X_EXPORT Bool

+RRScreenSizeSet (ScreenPtr  pScreen,

+		 CARD16	    width,

+		 CARD16	    height,

+		 CARD32	    mmWidth,

+		 CARD32	    mmHeight);

+

+/*

+ * Send ConfigureNotify event to root window when 'something' happens

+ */

+extern _X_EXPORT void

+RRSendConfigNotify (ScreenPtr pScreen);

+    

+/*

+ * screen dispatch

+ */

+extern _X_EXPORT int

+ProcRRGetScreenSizeRange (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRSetScreenSize (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRGetScreenResources (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRGetScreenResourcesCurrent (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRSetScreenConfig (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRGetScreenInfo (ClientPtr client);

+

+/*

+ * Deliver a ScreenNotify event

+ */

+extern _X_EXPORT void

+RRDeliverScreenEvent (ClientPtr client, WindowPtr pWin, ScreenPtr pScreen);

+    

+/* randr.c */

+/*

+ * Send all pending events

+ */

+extern _X_EXPORT void

+RRTellChanged (ScreenPtr pScreen);

+

+/*

+ * Poll the driver for changed information

+ */

+extern _X_EXPORT Bool

+RRGetInfo (ScreenPtr pScreen, Bool force_query);

+

+extern _X_EXPORT Bool RRInit (void);

+

+extern _X_EXPORT Bool RRScreenInit(ScreenPtr pScreen);

+

+extern _X_EXPORT RROutputPtr

+RRFirstOutput (ScreenPtr pScreen);

+

+extern _X_EXPORT Rotation

+RRGetRotation (ScreenPtr pScreen);

+

+extern _X_EXPORT CARD16

+RRVerticalRefresh (xRRModeInfo *mode);

+

+#ifdef RANDR_10_INTERFACE					

+/*

+ * This is the old interface, deprecated but left

+ * around for compatibility

+ */

+

+/*

+ * Then, register the specific size with the screen

+ */

+

+extern _X_EXPORT RRScreenSizePtr

+RRRegisterSize (ScreenPtr		pScreen,

+		short			width, 

+		short			height,

+		short			mmWidth,

+		short			mmHeight);

+

+extern _X_EXPORT Bool

+RRRegisterRate (ScreenPtr		pScreen,

+		     RRScreenSizePtr	pSize,

+		     int		rate);

+

+/*

+ * Finally, set the current configuration of the screen

+ */

+

+extern _X_EXPORT void

+RRSetCurrentConfig (ScreenPtr		pScreen,

+		    Rotation		rotation,

+		    int			rate,

+		    RRScreenSizePtr	pSize);

+

+extern _X_EXPORT Bool RRScreenInit (ScreenPtr pScreen);

+

+extern _X_EXPORT Rotation

+RRGetRotation (ScreenPtr pScreen);

+

+#endif					

+

+/* rrcrtc.c */

+

+/*

+ * Notify the CRTC of some change; layoutChanged indicates that

+ * some position or size element changed

+ */

+extern _X_EXPORT void

+RRCrtcChanged (RRCrtcPtr crtc, Bool layoutChanged);

+

+/*

+ * Create a CRTC

+ */

+extern _X_EXPORT RRCrtcPtr

+RRCrtcCreate (ScreenPtr pScreen, void	*devPrivate);

+

+/*

+ * Set the allowed rotations on a CRTC

+ */

+extern _X_EXPORT void

+RRCrtcSetRotations (RRCrtcPtr crtc, Rotation rotations);

+

+/*

+ * Set whether transforms are allowed on a CRTC

+ */

+extern _X_EXPORT void

+RRCrtcSetTransformSupport (RRCrtcPtr crtc, Bool transforms);

+

+/*

+ * Notify the extension that the Crtc has been reconfigured,

+ * the driver calls this whenever it has updated the mode

+ */

+extern _X_EXPORT Bool

+RRCrtcNotify (RRCrtcPtr	    crtc,

+	      RRModePtr	    mode,

+	      int	    x,

+	      int	    y,

+	      Rotation	    rotation,

+	      RRTransformPtr transform,

+	      int	    numOutputs,

+	      RROutputPtr   *outputs);

+

+extern _X_EXPORT void

+RRDeliverCrtcEvent (ClientPtr client, WindowPtr pWin, RRCrtcPtr crtc);

+    

+/*

+ * Request that the Crtc be reconfigured

+ */

+extern _X_EXPORT Bool

+RRCrtcSet (RRCrtcPtr    crtc,

+	   RRModePtr	mode,

+	   int		x,

+	   int		y,

+	   Rotation	rotation,

+	   int		numOutput,

+	   RROutputPtr  *outputs);

+

+/*

+ * Request that the Crtc gamma be changed

+ */

+

+extern _X_EXPORT Bool

+RRCrtcGammaSet (RRCrtcPtr   crtc,

+		CARD16	    *red,

+		CARD16	    *green,

+		CARD16	    *blue);

+

+/*

+ * Request current gamma back from the DDX (if possible).

+ * This includes gamma size.

+ */

+ 

+extern _X_EXPORT Bool

+RRCrtcGammaGet(RRCrtcPtr crtc);

+

+/*

+ * Notify the extension that the Crtc gamma has been changed

+ * The driver calls this whenever it has changed the gamma values

+ * in the RRCrtcRec

+ */

+

+extern _X_EXPORT Bool

+RRCrtcGammaNotify (RRCrtcPtr	crtc);

+

+/*

+ * Set the size of the gamma table at server startup time

+ */

+

+extern _X_EXPORT Bool

+RRCrtcGammaSetSize (RRCrtcPtr	crtc,

+		    int		size);

+

+/*

+ * Return the area of the frame buffer scanned out by the crtc,

+ * taking into account the current mode and rotation

+ */

+

+extern _X_EXPORT void

+RRCrtcGetScanoutSize(RRCrtcPtr crtc, int *width, int *height);

+

+/*

+ * Compute the complete transformation matrix including

+ * client-specified transform, rotation/reflection values and the crtc 

+ * offset.

+ *

+ * Return TRUE if the resulting transform is not a simple translation.

+ */

+extern _X_EXPORT Bool

+RRTransformCompute (int			    x,

+		    int			    y,

+		    int			    width,

+		    int			    height,

+		    Rotation		    rotation,

+		    RRTransformPtr	    rr_transform,

+

+		    PictTransformPtr	    transform,

+		    struct pict_f_transform *f_transform,

+		    struct pict_f_transform *f_inverse);

+

+/*

+ * Return crtc transform

+ */

+extern _X_EXPORT RRTransformPtr

+RRCrtcGetTransform (RRCrtcPtr crtc);

+

+/*

+ * Check whether the pending and current transforms are the same

+ */

+extern _X_EXPORT Bool

+RRCrtcPendingTransform (RRCrtcPtr crtc);

+

+/*

+ * Destroy a Crtc at shutdown

+ */

+extern _X_EXPORT void

+RRCrtcDestroy (RRCrtcPtr crtc);

+

+

+/*

+ * Set the pending CRTC transformation

+ */

+

+extern _X_EXPORT int

+RRCrtcTransformSet (RRCrtcPtr		crtc,

+		    PictTransformPtr	transform,

+		    struct pict_f_transform *f_transform,

+		    struct pict_f_transform *f_inverse,

+		    char		*filter,

+		    int			filter_len,

+		    xFixed		*params,

+		    int			nparams);

+

+/*

+ * Initialize crtc type

+ */

+extern _X_EXPORT Bool

+RRCrtcInit (void);

+

+/*

+ * Initialize crtc type error value

+ */

+extern _X_EXPORT void

+RRCrtcInitErrorValue (void);

+

+/*

+ * Crtc dispatch

+ */

+

+extern _X_EXPORT int

+ProcRRGetCrtcInfo (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRSetCrtcConfig (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRGetCrtcGammaSize (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRGetCrtcGamma (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRSetCrtcGamma (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRSetCrtcTransform (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRGetCrtcTransform (ClientPtr client);

+

+int

+ProcRRGetPanning (ClientPtr client);

+

+int

+ProcRRSetPanning (ClientPtr client);

+

+void

+RRConstrainCursorHarder (DeviceIntPtr, ScreenPtr, int, int *, int *);

+

+/* rrdispatch.c */

+extern _X_EXPORT Bool

+RRClientKnowsRates (ClientPtr	pClient);

+

+/* rrmode.c */

+/*

+ * Find, and if necessary, create a mode

+ */

+

+extern _X_EXPORT RRModePtr

+RRModeGet (xRRModeInfo	*modeInfo,

+	   const char	*name);

+

+/*

+ * Destroy a mode.

+ */

+

+extern _X_EXPORT void

+RRModeDestroy (RRModePtr mode);

+

+/*

+ * Return a list of modes that are valid for some output in pScreen

+ */

+extern _X_EXPORT RRModePtr *

+RRModesForScreen (ScreenPtr pScreen, int *num_ret);

+    

+/*

+ * Initialize mode type

+ */

+extern _X_EXPORT Bool

+RRModeInit (void);

+

+/*

+ * Initialize mode type error value

+ */

+extern _X_EXPORT void

+RRModeInitErrorValue (void);

+    

+extern _X_EXPORT int

+ProcRRCreateMode (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRDestroyMode (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRAddOutputMode (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRDeleteOutputMode (ClientPtr client);

+

+/* rroutput.c */

+

+/*

+ * Notify the output of some change. configChanged indicates whether

+ * any external configuration (mode list, clones, connected status)

+ * has changed, or whether the change was strictly internal

+ * (which crtc is in use)

+ */

+extern _X_EXPORT void

+RROutputChanged (RROutputPtr output, Bool configChanged);

+

+/*

+ * Create an output

+ */

+

+extern _X_EXPORT RROutputPtr

+RROutputCreate (ScreenPtr   pScreen,

+		const char  *name,

+		int	    nameLength,

+		void	    *devPrivate);

+

+/*

+ * Notify extension that output parameters have been changed

+ */

+extern _X_EXPORT Bool

+RROutputSetClones (RROutputPtr  output,

+		   RROutputPtr  *clones,

+		   int		numClones);

+

+extern _X_EXPORT Bool

+RROutputSetModes (RROutputPtr	output,

+		  RRModePtr	*modes,

+		  int		numModes,

+		  int		numPreferred);

+

+extern _X_EXPORT int

+RROutputAddUserMode (RROutputPtr    output,

+		     RRModePtr	    mode);

+

+extern _X_EXPORT int

+RROutputDeleteUserMode (RROutputPtr output,

+			RRModePtr   mode);

+

+extern _X_EXPORT Bool

+RROutputSetCrtcs (RROutputPtr	output,

+		  RRCrtcPtr	*crtcs,

+		  int		numCrtcs);

+

+extern _X_EXPORT Bool

+RROutputSetConnection (RROutputPtr  output,

+		       CARD8	    connection);

+

+extern _X_EXPORT Bool

+RROutputSetSubpixelOrder (RROutputPtr output,

+			  int	      subpixelOrder);

+

+extern _X_EXPORT Bool

+RROutputSetPhysicalSize (RROutputPtr	output,

+			 int		mmWidth,

+			 int		mmHeight);

+

+extern _X_EXPORT void

+RRDeliverOutputEvent(ClientPtr client, WindowPtr pWin, RROutputPtr output);

+

+extern _X_EXPORT void

+RROutputDestroy (RROutputPtr	output);

+

+extern _X_EXPORT int

+ProcRRGetOutputInfo (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRSetOutputPrimary (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRGetOutputPrimary (ClientPtr client);

+

+/*

+ * Initialize output type

+ */

+extern _X_EXPORT Bool

+RROutputInit (void);

+

+/*

+ * Initialize output type error value

+ */

+extern _X_EXPORT void

+RROutputInitErrorValue (void);

+    

+/* rrpointer.c */

+extern _X_EXPORT void

+RRPointerMoved (ScreenPtr pScreen, int x, int y);

+

+extern _X_EXPORT void

+RRPointerScreenConfigured (ScreenPtr pScreen);

+

+/* rrproperty.c */

+

+extern _X_EXPORT void

+RRDeleteAllOutputProperties (RROutputPtr output);

+

+extern _X_EXPORT RRPropertyValuePtr

+RRGetOutputProperty (RROutputPtr output, Atom property, Bool pending);

+

+extern _X_EXPORT RRPropertyPtr

+RRQueryOutputProperty (RROutputPtr output, Atom property);

+		       

+extern _X_EXPORT void

+RRDeleteOutputProperty (RROutputPtr output, Atom property);

+

+extern _X_EXPORT Bool

+RRPostPendingProperties (RROutputPtr output);

+    

+extern _X_EXPORT int

+RRChangeOutputProperty (RROutputPtr output, Atom property, Atom type,

+			int format, int mode, unsigned long len,

+			pointer value, Bool sendevent, Bool pending);

+

+extern _X_EXPORT int

+RRConfigureOutputProperty (RROutputPtr output, Atom property,

+			   Bool pending, Bool range, Bool immutable,

+			   int num_values, INT32 *values);

+extern _X_EXPORT int

+ProcRRChangeOutputProperty (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRGetOutputProperty (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRListOutputProperties (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRQueryOutputProperty (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRConfigureOutputProperty (ClientPtr client);

+

+extern _X_EXPORT int

+ProcRRDeleteOutputProperty (ClientPtr client);

+

+/* rrxinerama.c */

+#ifdef XINERAMA

+extern _X_EXPORT void

+RRXineramaExtensionInit(void);

+#endif

+

+#endif /* _RANDRSTR_H_ */

+

+/*

+ 

+randr extension implementation structure

+

+Query state:

+    ProcRRGetScreenInfo/ProcRRGetScreenResources

+	RRGetInfo

+ 

+	    • Request configuration from driver, either 1.0 or 1.2 style

+	    • These functions only record state changes, all

+	      other actions are pended until RRTellChanged is called

+ 

+	    ->rrGetInfo

+	    1.0:

+		RRRegisterSize

+		RRRegisterRate

+		RRSetCurrentConfig

+	    1.2:

+		RRScreenSetSizeRange

+		RROutputSetCrtcs

+		RRModeGet

+		RROutputSetModes

+		RROutputSetConnection

+		RROutputSetSubpixelOrder

+		RROutputSetClones

+		RRCrtcNotify

+ 

+	• Must delay scanning configuration until after ->rrGetInfo returns

+	  because some drivers will call SetCurrentConfig in the middle

+	  of the ->rrGetInfo operation.

+ 

+	1.0:

+

+	    • Scan old configuration, mirror to new structures

+ 

+	    RRScanOldConfig

+		RRCrtcCreate

+		RROutputCreate

+		RROutputSetCrtcs

+		RROutputSetConnection

+		RROutputSetSubpixelOrder

+		RROldModeAdd	• This adds modes one-at-a-time

+		    RRModeGet

+		RRCrtcNotify

+ 

+	• send events, reset pointer if necessary

+ 

+	RRTellChanged

+	    WalkTree (sending events)

+ 

+	    • when layout has changed:

+		RRPointerScreenConfigured

+		RRSendConfigNotify

+ 

+Asynchronous state setting (1.2 only)

+    When setting state asynchronously, the driver invokes the

+    ->rrGetInfo function and then calls RRTellChanged to flush

+    the changes to the clients and reset pointer if necessary

+

+Set state

+

+    ProcRRSetScreenConfig

+	RRCrtcSet

+	    1.2:

+		->rrCrtcSet

+		    RRCrtcNotify

+	    1.0:

+		->rrSetConfig

+		RRCrtcNotify

+	    RRTellChanged

+ */

diff --git a/xorg-server/randr/rrcrtc.c b/xorg-server/randr/rrcrtc.c
index 98206a2b9..a846ad3d1 100644
--- a/xorg-server/randr/rrcrtc.c
+++ b/xorg-server/randr/rrcrtc.c
@@ -1,1351 +1,1506 @@
-/*
- * 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.
- */
-
-#include "randrstr.h"
-#include "swaprep.h"
-
-RESTYPE	RRCrtcType;
-
-/*
- * Notify the CRTC of some change
- */
-void
-RRCrtcChanged (RRCrtcPtr crtc, Bool layoutChanged)
-{
-    ScreenPtr	pScreen = crtc->pScreen;
-
-    crtc->changed = TRUE;
-    if (pScreen)
-    {
-	rrScrPriv(pScreen);
-    
-	pScrPriv->changed = TRUE;
-	/*
-	 * Send ConfigureNotify on any layout change
-	 */
-	if (layoutChanged)
-	    pScrPriv->layoutChanged = TRUE;
-    }
-}
-
-/*
- * Create a CRTC
- */
-RRCrtcPtr
-RRCrtcCreate (ScreenPtr pScreen, void *devPrivate)
-{
-    RRCrtcPtr	    crtc;
-    RRCrtcPtr	    *crtcs;
-    rrScrPrivPtr    pScrPriv;
-
-    if (!RRInit())
-	return NULL;
-    
-    pScrPriv = rrGetScrPriv(pScreen);
-
-    /* make space for the crtc pointer */
-    if (pScrPriv->numCrtcs)
-	crtcs = realloc(pScrPriv->crtcs, 
-			  (pScrPriv->numCrtcs + 1) * sizeof (RRCrtcPtr));
-    else
-	crtcs = malloc(sizeof (RRCrtcPtr));
-    if (!crtcs)
-	return FALSE;
-    pScrPriv->crtcs = crtcs;
-    
-    crtc = calloc(1, sizeof (RRCrtcRec));
-    if (!crtc)
-	return NULL;
-    crtc->id = FakeClientID (0);
-    crtc->pScreen = pScreen;
-    crtc->mode = NULL;
-    crtc->x = 0;
-    crtc->y = 0;
-    crtc->rotation = RR_Rotate_0;
-    crtc->rotations = RR_Rotate_0;
-    crtc->outputs = NULL;
-    crtc->numOutputs = 0;
-    crtc->gammaSize = 0;
-    crtc->gammaRed = crtc->gammaBlue = crtc->gammaGreen = NULL;
-    crtc->changed = FALSE;
-    crtc->devPrivate = devPrivate;
-    RRTransformInit (&crtc->client_pending_transform);
-    RRTransformInit (&crtc->client_current_transform);
-    pixman_transform_init_identity (&crtc->transform);
-    pixman_f_transform_init_identity (&crtc->f_transform);
-    pixman_f_transform_init_identity (&crtc->f_inverse);
-
-    if (!AddResource (crtc->id, RRCrtcType, (pointer) crtc))
-	return NULL;
-
-    /* attach the screen and crtc together */
-    crtc->pScreen = pScreen;
-    pScrPriv->crtcs[pScrPriv->numCrtcs++] = crtc;
-    
-    return crtc;
-}
-
-/*
- * Set the allowed rotations on a CRTC
- */
-void
-RRCrtcSetRotations (RRCrtcPtr crtc, Rotation rotations)
-{
-    crtc->rotations = rotations;
-}
-
-/*
- * Set whether transforms are allowed on a CRTC
- */
-void
-RRCrtcSetTransformSupport (RRCrtcPtr crtc, Bool transforms)
-{
-    crtc->transforms = transforms;
-}
-
-/*
- * Notify the extension that the Crtc has been reconfigured,
- * the driver calls this whenever it has updated the mode
- */
-Bool
-RRCrtcNotify (RRCrtcPtr	    crtc,
-	      RRModePtr	    mode,
-	      int	    x,
-	      int	    y,
-	      Rotation	    rotation,
-	      RRTransformPtr transform,
-	      int	    numOutputs,
-	      RROutputPtr   *outputs)
-{
-    int	    i, j;
-    
-    /*
-     * Check to see if any of the new outputs were
-     * not in the old list and mark them as changed
-     */
-    for (i = 0; i < numOutputs; i++)
-    {
-	for (j = 0; j < crtc->numOutputs; j++)
-	    if (outputs[i] == crtc->outputs[j])
-		break;
-	if (j == crtc->numOutputs)
-	{
-	    outputs[i]->crtc = crtc;
-	    RROutputChanged (outputs[i], FALSE);
-	    RRCrtcChanged (crtc, FALSE);
-	}
-    }
-    /*
-     * Check to see if any of the old outputs are
-     * not in the new list and mark them as changed
-     */
-    for (j = 0; j < crtc->numOutputs; j++)
-    {
-	for (i = 0; i < numOutputs; i++)
-	    if (outputs[i] == crtc->outputs[j])
-		break;
-	if (i == numOutputs)
-	{
-	    if (crtc->outputs[j]->crtc == crtc)
-		crtc->outputs[j]->crtc = NULL;
-	    RROutputChanged (crtc->outputs[j], FALSE);
-	    RRCrtcChanged (crtc, FALSE);
-	}
-    }
-    /*
-     * Reallocate the crtc output array if necessary
-     */
-    if (numOutputs != crtc->numOutputs)
-    {
-	RROutputPtr *newoutputs;
-	
-	if (numOutputs)
-	{
-	    if (crtc->numOutputs)
-		newoutputs = realloc(crtc->outputs,
-				    numOutputs * sizeof (RROutputPtr));
-	    else
-		newoutputs = malloc(numOutputs * sizeof (RROutputPtr));
-	    if (!newoutputs)
-		return FALSE;
-	}
-	else
-	{
-	    free(crtc->outputs);
-	    newoutputs = NULL;
-	}
-	crtc->outputs = newoutputs;
-	crtc->numOutputs = numOutputs;
-    }
-    /*
-     * Copy the new list of outputs into the crtc
-     */
-    memcpy (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr));
-    /*
-     * Update remaining crtc fields
-     */
-    if (mode != crtc->mode)
-    {
-	if (crtc->mode)
-	    RRModeDestroy (crtc->mode);
-	crtc->mode = mode;
-	if (mode != NULL)
-	    mode->refcnt++;
-	RRCrtcChanged (crtc, TRUE);
-    }
-    if (x != crtc->x)
-    {
-	crtc->x = x;
-	RRCrtcChanged (crtc, TRUE);
-    }
-    if (y != crtc->y)
-    {
-	crtc->y = y;
-	RRCrtcChanged (crtc, TRUE);
-    }
-    if (rotation != crtc->rotation)
-    {
-	crtc->rotation = rotation;
-	RRCrtcChanged (crtc, TRUE);
-    }
-    if (!RRTransformEqual (transform, &crtc->client_current_transform)) {
-	RRTransformCopy (&crtc->client_current_transform, transform);
-	RRCrtcChanged (crtc, TRUE);
-    }
-    if (crtc->changed && mode)
-    {
-	RRTransformCompute (x, y,
-			    mode->mode.width, mode->mode.height,
-			    rotation,
-			    &crtc->client_current_transform,
-			    &crtc->transform, &crtc->f_transform,
-			    &crtc->f_inverse);
-    }
-    return TRUE;
-}
-
-void
-RRDeliverCrtcEvent (ClientPtr client, WindowPtr pWin, RRCrtcPtr crtc)
-{
-    ScreenPtr pScreen = pWin->drawable.pScreen;
-    rrScrPriv (pScreen);
-    xRRCrtcChangeNotifyEvent	ce;
-    RRModePtr	mode = crtc->mode;
-    
-    ce.type = RRNotify + RREventBase;
-    ce.subCode = RRNotify_CrtcChange;
-    ce.timestamp = pScrPriv->lastSetTime.milliseconds;
-    ce.window = pWin->drawable.id;
-    ce.crtc = crtc->id;
-    ce.rotation = crtc->rotation;
-    if (mode)
-    {
-	ce.mode = mode->mode.id;
-	ce.x = crtc->x;
-	ce.y = crtc->y;
-	ce.width = mode->mode.width;
-	ce.height = mode->mode.height;
-    }
-    else
-    {
-	ce.mode = None;
-	ce.x = 0;
-	ce.y = 0;
-	ce.width = 0;
-	ce.height = 0;
-    }
-    WriteEventsToClient (client, 1, (xEvent *) &ce);
-}
-
-static Bool
-RRCrtcPendingProperties (RRCrtcPtr crtc)
-{
-    ScreenPtr	pScreen = crtc->pScreen;
-    rrScrPriv(pScreen);
-    int		o;
-
-    for (o = 0; o < pScrPriv->numOutputs; o++)
-    {
-	RROutputPtr output = pScrPriv->outputs[o];
-	if (output->crtc == crtc && output->pendingProperties)
-	    return TRUE;
-    }
-    return FALSE;
-}
-
-/*
- * Request that the Crtc be reconfigured
- */
-Bool
-RRCrtcSet (RRCrtcPtr    crtc,
-	   RRModePtr	mode,
-	   int		x,
-	   int		y,
-	   Rotation	rotation,
-	   int		numOutputs,
-	   RROutputPtr  *outputs)
-{
-    ScreenPtr	pScreen = crtc->pScreen;
-    Bool	ret = FALSE;
-    rrScrPriv(pScreen);
-
-    /* See if nothing changed */
-    if (crtc->mode == mode &&
-	crtc->x == x &&
-	crtc->y == y &&
-	crtc->rotation == rotation &&
-	crtc->numOutputs == numOutputs &&
-	!memcmp (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr)) &&
-	!RRCrtcPendingProperties (crtc) &&
-	!RRCrtcPendingTransform (crtc))
-    {
-	ret = TRUE;
-    }
-    else
-    {
-#if RANDR_12_INTERFACE
-	if (pScrPriv->rrCrtcSet)
-	{
-	    ret = (*pScrPriv->rrCrtcSet) (pScreen, crtc, mode, x, y, 
-					  rotation, numOutputs, outputs);
-	}
-	else
-#endif
-	{
-#if RANDR_10_INTERFACE
-	    if (pScrPriv->rrSetConfig)
-	    {
-		RRScreenSize	    size;
-		RRScreenRate	    rate;
-
-		if (!mode)
-		{
-		    RRCrtcNotify (crtc, NULL, x, y, rotation, NULL, 0, NULL);
-		    ret = TRUE;
-		}
-		else
-		{
-		    size.width = mode->mode.width;
-		    size.height = mode->mode.height;
-		    if (outputs[0]->mmWidth && outputs[0]->mmHeight)
-		    {
-			size.mmWidth = outputs[0]->mmWidth;
-			size.mmHeight = outputs[0]->mmHeight;
-		    }
-		    else
-		    {
-			size.mmWidth = pScreen->mmWidth;
-			size.mmHeight = pScreen->mmHeight;
-		    }
-		    size.nRates = 1;
-		    rate.rate = RRVerticalRefresh (&mode->mode);
-		    size.pRates = &rate;
-		    ret = (*pScrPriv->rrSetConfig) (pScreen, rotation, rate.rate, &size);
-		    /*
-		     * Old 1.0 interface tied screen size to mode size
-		     */
-		    if (ret)
-		    {
-			RRCrtcNotify (crtc, mode, x, y, rotation, NULL, 1, outputs);
-			RRScreenSizeNotify (pScreen);
-		    }
-		}
-	    }
-#endif
-	}
-	if (ret)
-	{
-	    int	o;
-	    RRTellChanged (pScreen);
-
-	    for (o = 0; o < numOutputs; o++)
-		RRPostPendingProperties (outputs[o]);
-	}
-    }
-    return ret;
-}
-
-/*
- * Return crtc transform
- */
-RRTransformPtr
-RRCrtcGetTransform (RRCrtcPtr crtc)
-{
-    RRTransformPtr  transform = &crtc->client_pending_transform;
-
-    if (pixman_transform_is_identity (&transform->transform))
-	return NULL;
-    return transform;
-}
-
-/*
- * Check whether the pending and current transforms are the same
- */
-Bool
-RRCrtcPendingTransform (RRCrtcPtr crtc)
-{
-    return memcmp (&crtc->client_current_transform.transform,
-		   &crtc->client_pending_transform.transform,
-		   sizeof (PictTransform)) != 0;
-}
-
-/*
- * Destroy a Crtc at shutdown
- */
-void
-RRCrtcDestroy (RRCrtcPtr crtc)
-{
-    FreeResource (crtc->id, 0);
-}
-
-static int
-RRCrtcDestroyResource (pointer value, XID pid)
-{
-    RRCrtcPtr	crtc = (RRCrtcPtr) value;
-    ScreenPtr	pScreen = crtc->pScreen;
-
-    if (pScreen)
-    {
-	rrScrPriv(pScreen);
-	int		i;
-    
-	for (i = 0; i < pScrPriv->numCrtcs; i++)
-	{
-	    if (pScrPriv->crtcs[i] == crtc)
-	    {
-		memmove (pScrPriv->crtcs + i, pScrPriv->crtcs + i + 1,
-			 (pScrPriv->numCrtcs - (i + 1)) * sizeof (RRCrtcPtr));
-		--pScrPriv->numCrtcs;
-		break;
-	    }
-	}
-    }
-    free(crtc->gammaRed);
-    if (crtc->mode)
-	RRModeDestroy (crtc->mode);
-    free(crtc);
-    return 1;
-}
-
-/*
- * Request that the Crtc gamma be changed
- */
-
-Bool
-RRCrtcGammaSet (RRCrtcPtr   crtc,
-		CARD16	    *red,
-		CARD16	    *green,
-		CARD16	    *blue)
-{
-    Bool	ret = TRUE;
-#if RANDR_12_INTERFACE
-    ScreenPtr	pScreen = crtc->pScreen;
-#endif
-    
-    memcpy (crtc->gammaRed, red, crtc->gammaSize * sizeof (CARD16));
-    memcpy (crtc->gammaGreen, green, crtc->gammaSize * sizeof (CARD16));
-    memcpy (crtc->gammaBlue, blue, crtc->gammaSize * sizeof (CARD16));
-#if RANDR_12_INTERFACE
-    if (pScreen)
-    {
-	rrScrPriv(pScreen);
-	if (pScrPriv->rrCrtcSetGamma)
-	    ret = (*pScrPriv->rrCrtcSetGamma) (pScreen, crtc);
-    }
-#endif
-    return ret;
-}
-
-/*
- * Request current gamma back from the DDX (if possible).
- * This includes gamma size.
- */
-Bool
-RRCrtcGammaGet(RRCrtcPtr crtc)
-{
-    Bool ret = TRUE;
-#if RANDR_12_INTERFACE
-    ScreenPtr	pScreen = crtc->pScreen;
-#endif
-
-#if RANDR_12_INTERFACE
-    if (pScreen)
-    {
-        rrScrPriv(pScreen);
-        if (pScrPriv->rrCrtcGetGamma)
-            ret = (*pScrPriv->rrCrtcGetGamma) (pScreen, crtc);
-    }
-#endif
-    return ret;
-}
-
-/*
- * Notify the extension that the Crtc gamma has been changed
- * The driver calls this whenever it has changed the gamma values
- * in the RRCrtcRec
- */
-
-Bool
-RRCrtcGammaNotify (RRCrtcPtr	crtc)
-{
-    return TRUE;    /* not much going on here */
-}
-
-static void
-RRModeGetScanoutSize (RRModePtr mode, PictTransformPtr transform,
-		      int *width, int *height)
-{
-    BoxRec  box;
-
-    if (mode == NULL) {
-	*width = 0;
-	*height = 0;
-	return;
-    }
-
-    box.x1 = 0;
-    box.y1 = 0;
-    box.x2 = mode->mode.width;
-    box.y2 = mode->mode.height;
-
-    pixman_transform_bounds (transform, &box);
-    *width = box.x2 - box.x1;
-    *height = box.y2 - box.y1;
-}
-
-/**
- * Returns the width/height that the crtc scans out from the framebuffer
- */
-void
-RRCrtcGetScanoutSize(RRCrtcPtr crtc, int *width, int *height)
-{
-    return RRModeGetScanoutSize (crtc->mode, &crtc->transform, width, height);
-}
-
-/*
- * Set the size of the gamma table at server startup time
- */
-
-Bool
-RRCrtcGammaSetSize (RRCrtcPtr	crtc,
-		    int		size)
-{
-    CARD16  *gamma;
-
-    if (size == crtc->gammaSize)
-	return TRUE;
-    if (size)
-    {
-	gamma = malloc(size * 3 * sizeof (CARD16));
-	if (!gamma)
-	    return FALSE;
-    }
-    else
-	gamma = NULL;
-    free(crtc->gammaRed);
-    crtc->gammaRed = gamma;
-    crtc->gammaGreen = gamma + size;
-    crtc->gammaBlue = gamma + size*2;
-    crtc->gammaSize = size;
-    return TRUE;
-}
-
-/*
- * Set the pending CRTC transformation
- */
-
-int
-RRCrtcTransformSet (RRCrtcPtr		crtc,
-		    PictTransformPtr	transform,
-		    struct pixman_f_transform *f_transform,
-		    struct pixman_f_transform *f_inverse,
-		    char		*filter_name,
-		    int			filter_len,
-		    xFixed		*params,
-		    int			nparams)
-{
-    PictFilterPtr   filter = NULL;
-    int		    width = 0, height = 0;
-
-    if (!crtc->transforms)
-	return BadValue;
-
-    if (filter_len)
-    {
-	filter = PictureFindFilter (crtc->pScreen,
-				    filter_name,
-				    filter_len);
-	if (!filter)
-	    return BadName;
-	if (filter->ValidateParams)
-	{
-	    if (!filter->ValidateParams (crtc->pScreen, filter->id,
-					 params, nparams, &width, &height))
-		return BadMatch;
-	}
-	else {
-	    width = filter->width;
-	    height = filter->height;
-	}
-    }
-    else
-    {
-	if (nparams)
-	    return BadMatch;
-    }
-    if (!RRTransformSetFilter (&crtc->client_pending_transform,
-			       filter, params, nparams, width, height))
-	return BadAlloc;
-
-    crtc->client_pending_transform.transform = *transform;
-    crtc->client_pending_transform.f_transform = *f_transform;
-    crtc->client_pending_transform.f_inverse = *f_inverse;
-    return Success;
-}
-
-/*
- * Initialize crtc type
- */
-Bool
-RRCrtcInit (void)
-{
-    RRCrtcType = CreateNewResourceType (RRCrtcDestroyResource, "CRTC");
-    if (!RRCrtcType)
-	return FALSE;
-    
-    return TRUE;
-}
-
-/*
- * Initialize crtc type error value
- */
-void
-RRCrtcInitErrorValue(void)
-{
-    SetResourceTypeErrorValue(RRCrtcType, RRErrorBase + BadRRCrtc);
-}
-
-int
-ProcRRGetCrtcInfo (ClientPtr client)
-{
-    REQUEST(xRRGetCrtcInfoReq);
-    xRRGetCrtcInfoReply	rep;
-    RRCrtcPtr			crtc;
-    CARD8			*extra;
-    unsigned long		extraLen;
-    ScreenPtr			pScreen;
-    rrScrPrivPtr		pScrPriv;
-    RRModePtr			mode;
-    RROutput			*outputs;
-    RROutput			*possible;
-    int				i, j, k, n;
-    int				width, height;
-    BoxRec			panned_area;
-    
-    REQUEST_SIZE_MATCH(xRRGetCrtcInfoReq);
-    VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);
-
-    /* All crtcs must be associated with screens before client
-     * requests are processed
-     */
-    pScreen = crtc->pScreen;
-    pScrPriv = rrGetScrPriv(pScreen);
-
-    mode = crtc->mode;
-    
-    rep.type = X_Reply;
-    rep.status = RRSetConfigSuccess;
-    rep.sequenceNumber = client->sequence;
-    rep.length = 0;
-    rep.timestamp = pScrPriv->lastSetTime.milliseconds;
-    if (pScrPriv->rrGetPanning &&
-	pScrPriv->rrGetPanning (pScreen, crtc, &panned_area, NULL, NULL) &&
-	(panned_area.x2 > panned_area.x1) && (panned_area.y2 > panned_area.y1))
-    {
- 	rep.x = panned_area.x1;
-	rep.y = panned_area.y1;
-	rep.width = panned_area.x2 - panned_area.x1;
-	rep.height = panned_area.y2 - panned_area.y1;
-    }
-    else
-    {
-	RRCrtcGetScanoutSize (crtc, &width, &height);
-	rep.x = crtc->x;
-	rep.y = crtc->y;
-	rep.width = width;
-	rep.height = height;
-    }
-    rep.mode = mode ? mode->mode.id : 0;
-    rep.rotation = crtc->rotation;
-    rep.rotations = crtc->rotations;
-    rep.nOutput = crtc->numOutputs;
-    k = 0;
-    for (i = 0; i < pScrPriv->numOutputs; i++)
-	for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++)
-	    if (pScrPriv->outputs[i]->crtcs[j] == crtc)
-		k++;
-    rep.nPossibleOutput = k;
-    
-    rep.length = rep.nOutput + rep.nPossibleOutput;
-
-    extraLen = rep.length << 2;
-    if (extraLen)
-    {
-	extra = malloc(extraLen);
-	if (!extra)
-	    return BadAlloc;
-    }
-    else
-	extra = NULL;
-
-    outputs = (RROutput *) extra;
-    possible = (RROutput *) (outputs + rep.nOutput);
-    
-    for (i = 0; i < crtc->numOutputs; i++)
-    {
-	outputs[i] = crtc->outputs[i]->id;
-	if (client->swapped)
-	    swapl (&outputs[i], n);
-    }
-    k = 0;
-    for (i = 0; i < pScrPriv->numOutputs; i++)
-	for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++)
-	    if (pScrPriv->outputs[i]->crtcs[j] == crtc)
-	    {
-		possible[k] = pScrPriv->outputs[i]->id;
-		if (client->swapped)
-		    swapl (&possible[k], n);
-		k++;
-	    }
-    
-    if (client->swapped) {
-	swaps(&rep.sequenceNumber, n);
-	swapl(&rep.length, n);
-	swapl(&rep.timestamp, n);
-	swaps(&rep.x, n);
-	swaps(&rep.y, n);
-	swaps(&rep.width, n);
-	swaps(&rep.height, n);
-	swapl(&rep.mode, n);
-	swaps(&rep.rotation, n);
-	swaps(&rep.rotations, n);
-	swaps(&rep.nOutput, n);
-	swaps(&rep.nPossibleOutput, n);
-    }
-    WriteToClient(client, sizeof(xRRGetCrtcInfoReply), (char *)&rep);
-    if (extraLen)
-    {
-	WriteToClient (client, extraLen, (char *) extra);
-	free(extra);
-    }
-    
-    return Success;
-}
-
-int
-ProcRRSetCrtcConfig (ClientPtr client)
-{
-    REQUEST(xRRSetCrtcConfigReq);
-    xRRSetCrtcConfigReply   rep;
-    ScreenPtr		    pScreen;
-    rrScrPrivPtr	    pScrPriv;
-    RRCrtcPtr		    crtc;
-    RRModePtr		    mode;
-    int			    numOutputs;
-    RROutputPtr		    *outputs = NULL;
-    RROutput		    *outputIds;
-    TimeStamp		    configTime;
-    TimeStamp		    time;
-    Rotation		    rotation;
-    int			    rc, i, j;
-    
-    REQUEST_AT_LEAST_SIZE(xRRSetCrtcConfigReq);
-    numOutputs = (stuff->length - bytes_to_int32(SIZEOF (xRRSetCrtcConfigReq)));
-    
-    VERIFY_RR_CRTC(stuff->crtc, crtc, DixSetAttrAccess);
-
-    if (stuff->mode == None)
-    {
-	mode = NULL;
-	if (numOutputs > 0)
-	    return BadMatch;
-    }
-    else
-    {
-	VERIFY_RR_MODE(stuff->mode, mode, DixSetAttrAccess);
-	if (numOutputs == 0)
-	    return BadMatch;
-    }
-    if (numOutputs)
-    {
-	outputs = malloc(numOutputs * sizeof (RROutputPtr));
-	if (!outputs)
-	    return BadAlloc;
-    }
-    else
-	outputs = NULL;
-    
-    outputIds = (RROutput *) (stuff + 1);
-    for (i = 0; i < numOutputs; i++)
-    {
-	rc = dixLookupResourceByType((pointer *)(outputs + i), outputIds[i],
-				     RROutputType, client, DixSetAttrAccess);
-	if (rc != Success)
-	{
-	    free(outputs);
-	    return rc;
-	}
-	/* validate crtc for this output */
-	for (j = 0; j < outputs[i]->numCrtcs; j++)
-	    if (outputs[i]->crtcs[j] == crtc)
-		break;
-	if (j == outputs[i]->numCrtcs)
-	{
-	    free(outputs);
-	    return BadMatch;
-	}
-	/* validate mode for this output */
-	for (j = 0; j < outputs[i]->numModes + outputs[i]->numUserModes; j++)
-	{
-	    RRModePtr	m = (j < outputs[i]->numModes ? 
-			     outputs[i]->modes[j] :
-			     outputs[i]->userModes[j - outputs[i]->numModes]);
-	    if (m == mode)
-		break;
-	}
-	if (j == outputs[i]->numModes + outputs[i]->numUserModes)
-	{
-	    free(outputs);
-	    return BadMatch;
-	}
-    }
-    /* validate clones */
-    for (i = 0; i < numOutputs; i++)
-    {
-	for (j = 0; j < numOutputs; j++)
-	{
-	    int k;
-	    if (i == j)
-		continue;
-	    for (k = 0; k < outputs[i]->numClones; k++)
-	    {
-		if (outputs[i]->clones[k] == outputs[j])
-		    break;
-	    }
-	    if (k == outputs[i]->numClones)
-	    {
-		free(outputs);
-		return BadMatch;
-	    }
-	}
-    }
-
-    pScreen = crtc->pScreen;
-    pScrPriv = rrGetScrPriv(pScreen);
-    
-    time = ClientTimeToServerTime(stuff->timestamp);
-    configTime = ClientTimeToServerTime(stuff->configTimestamp);
-    
-    if (!pScrPriv)
-    {
-	time = currentTime;
-	rep.status = RRSetConfigFailed;
-	goto sendReply;
-    }
-    
-    /*
-     * 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;
-	free(outputs);
-	return BadValue;
-    }
-
-    if (mode)
-    {
-	if ((~crtc->rotations) & rotation)
-	{
-	    /*
-	     * requested rotation or reflection not supported by screen
-	     */
-	    client->errorValue = stuff->rotation;
-	    free(outputs);
-	    return BadMatch;
-	}
-    
-#ifdef RANDR_12_INTERFACE
-	/*
-	 * Check screen size bounds if the DDX provides a 1.2 interface
-	 * for setting screen size. Else, assume the CrtcSet sets
-	 * the size along with the mode. If the driver supports transforms,
-	 * then it must allow crtcs to display a subset of the screen, so
-	 * only do this check for drivers without transform support.
-	 */
-	if (pScrPriv->rrScreenSetSize && !crtc->transforms)
-	{
-	    int source_width;
-	    int	source_height;
-	    PictTransform transform;
-	    struct pixman_f_transform f_transform, f_inverse;
-
-	    RRTransformCompute (stuff->x, stuff->y,
-				mode->mode.width, mode->mode.height,
-				rotation,
-				&crtc->client_pending_transform,
-				&transform, &f_transform, &f_inverse);
-
-	    RRModeGetScanoutSize (mode, &transform, &source_width, &source_height);
-	    if (stuff->x + source_width > pScreen->width)
-	    {
-		client->errorValue = stuff->x;
-		free(outputs);
-		return BadValue;
-	    }
-	    
-	    if (stuff->y + source_height > pScreen->height)
-	    {
-		client->errorValue = stuff->y;
-		free(outputs);
-		return BadValue;
-	    }
-	}
-#endif
-    }
-    
-    if (!RRCrtcSet (crtc, mode, stuff->x, stuff->y,
-		   rotation, numOutputs, outputs))
-    {
-	rep.status = RRSetConfigFailed;
-	goto sendReply;
-    }
-    rep.status = RRSetConfigSuccess;
-    pScrPriv->lastSetTime = time;
-    
-sendReply:
-    free(outputs);
-    
-    rep.type = X_Reply;
-    /* rep.status has already been filled in */
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-    rep.newTimestamp = pScrPriv->lastSetTime.milliseconds;
-
-    if (client->swapped) 
-    {
-	int n;
-    	swaps(&rep.sequenceNumber, n);
-    	swapl(&rep.length, n);
-	swapl(&rep.newTimestamp, n);
-    }
-    WriteToClient(client, sizeof(xRRSetCrtcConfigReply), (char *)&rep);
-    
-    return Success;
-}
-
-int
-ProcRRGetPanning (ClientPtr client)
-{
-    REQUEST(xRRGetPanningReq);
-    xRRGetPanningReply	rep;
-    RRCrtcPtr		crtc;
-    ScreenPtr		pScreen;
-    rrScrPrivPtr	pScrPriv;
-    BoxRec		total;
-    BoxRec		tracking;
-    INT16		border[4];
-    int			n;
-    
-    REQUEST_SIZE_MATCH(xRRGetPanningReq);
-    VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);
-
-    /* All crtcs must be associated with screens before client
-     * requests are processed
-     */
-    pScreen = crtc->pScreen;
-    pScrPriv = rrGetScrPriv(pScreen);
-
-    if (!pScrPriv)
-	return RRErrorBase + BadRRCrtc;
-
-    memset(&rep, 0, sizeof(rep));
-    rep.type = X_Reply;
-    rep.status = RRSetConfigSuccess;
-    rep.sequenceNumber = client->sequence;
-    rep.length = 1;
-    rep.timestamp = pScrPriv->lastSetTime.milliseconds;
-
-    if (pScrPriv->rrGetPanning &&
-	pScrPriv->rrGetPanning (pScreen, crtc, &total, &tracking, border)) {
-	rep.left          = total.x1;
-	rep.top           = total.y1;
-	rep.width         = total.x2 - total.x1;
-	rep.height        = total.y2 - total.y1;
-	rep.track_left    = tracking.x1;
-	rep.track_top     = tracking.y1;
-	rep.track_width   = tracking.x2 - tracking.x1;
-	rep.track_height  = tracking.y2 - tracking.y1;
-	rep.border_left   = border[0];
-	rep.border_top    = border[1];
-	rep.border_right  = border[2];
-	rep.border_bottom = border[3];
-    }
-
-    if (client->swapped) {
-	swaps(&rep.sequenceNumber, n);
-	swapl(&rep.length, n);
-	swaps(&rep.timestamp, n);
-	swaps(&rep.left, n);
-	swaps(&rep.top, n);
-	swaps(&rep.width, n);
-	swaps(&rep.height, n);
-	swaps(&rep.track_left, n);
-	swaps(&rep.track_top, n);
-	swaps(&rep.track_width, n);
-	swaps(&rep.track_height, n);
-	swaps(&rep.border_left, n);
-	swaps(&rep.border_top, n);
-	swaps(&rep.border_right, n);
-	swaps(&rep.border_bottom, n);
-    }
-    WriteToClient(client, sizeof(xRRGetPanningReply), (char *)&rep);
-    return Success;
-}
-
-int
-ProcRRSetPanning (ClientPtr client)
-{
-    REQUEST(xRRSetPanningReq);
-    xRRSetPanningReply	rep;
-    RRCrtcPtr		crtc;
-    ScreenPtr		pScreen;
-    rrScrPrivPtr	pScrPriv;
-    TimeStamp		time;
-    BoxRec		total;
-    BoxRec		tracking;
-    INT16		border[4];
-    int			n;
-    
-    REQUEST_SIZE_MATCH(xRRSetPanningReq);
-    VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);
-
-    /* All crtcs must be associated with screens before client
-     * requests are processed
-     */
-    pScreen = crtc->pScreen;
-    pScrPriv = rrGetScrPriv(pScreen);
-
-    if (!pScrPriv) {
-	time = currentTime;
-	rep.status = RRSetConfigFailed;
-	goto sendReply;
-    }
-    
-    time = ClientTimeToServerTime(stuff->timestamp);
-    
-    if (!pScrPriv->rrGetPanning)
-	return RRErrorBase + BadRRCrtc;
-
-    total.x1    = stuff->left;
-    total.y1    = stuff->top;
-    total.x2    = total.x1 + stuff->width;
-    total.y2    = total.y1 + stuff->height;
-    tracking.x1 = stuff->track_left;
-    tracking.y1 = stuff->track_top;
-    tracking.x2 = tracking.x1 + stuff->track_width;
-    tracking.y2 = tracking.y1 + stuff->track_height;
-    border[0]   = stuff->border_left;
-    border[1]   = stuff->border_top;
-    border[2]   = stuff->border_right;
-    border[3]   = stuff->border_bottom;
-
-    if (! pScrPriv->rrSetPanning (pScreen, crtc, &total, &tracking, border))
-	return BadMatch;
-
-    pScrPriv->lastSetTime = time;
-
-    rep.status = RRSetConfigSuccess;
-
-sendReply:
-    rep.type = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.length = 0;
-    rep.newTimestamp = pScrPriv->lastSetTime.milliseconds;
-
-    if (client->swapped) {
-	swaps(&rep.sequenceNumber, n);
-	swapl(&rep.length, n);
-	swaps(&rep.newTimestamp, n);
-    }
-    WriteToClient(client, sizeof(xRRSetPanningReply), (char *)&rep);
-    return Success;
-}
-
-int
-ProcRRGetCrtcGammaSize (ClientPtr client)
-{
-    REQUEST(xRRGetCrtcGammaSizeReq);
-    xRRGetCrtcGammaSizeReply	reply;
-    RRCrtcPtr			crtc;
-    int				n;
-
-    REQUEST_SIZE_MATCH(xRRGetCrtcGammaSizeReq);
-    VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);
-
-    /* Gamma retrieval failed, any better error? */
-    if (!RRCrtcGammaGet(crtc))
-        return RRErrorBase + BadRRCrtc;
-
-    reply.type = X_Reply;
-    reply.sequenceNumber = client->sequence;
-    reply.length = 0;
-    reply.size = crtc->gammaSize;
-    if (client->swapped) {
-	swaps (&reply.sequenceNumber, n);
-	swapl (&reply.length, n);
-	swaps (&reply.size, n);
-    }
-    WriteToClient (client, sizeof (xRRGetCrtcGammaSizeReply), (char *) &reply);
-    return Success;
-}
-
-int
-ProcRRGetCrtcGamma (ClientPtr client)
-{
-    REQUEST(xRRGetCrtcGammaReq);
-    xRRGetCrtcGammaReply	reply;
-    RRCrtcPtr			crtc;
-    int				n;
-    unsigned long		len;
-    char			*extra = NULL;
-    
-    REQUEST_SIZE_MATCH(xRRGetCrtcGammaReq);
-    VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);
-
-    /* Gamma retrieval failed, any better error? */
-    if (!RRCrtcGammaGet(crtc))
-        return RRErrorBase + BadRRCrtc;
-
-    len = crtc->gammaSize * 3 * 2;
-    
-    if (crtc->gammaSize) {
-	extra = malloc(len);
-	if (!extra)
-	    return BadAlloc;
-    }
-
-    reply.type = X_Reply;
-    reply.sequenceNumber = client->sequence;
-    reply.length = bytes_to_int32(len);
-    reply.size = crtc->gammaSize;
-    if (client->swapped) {
-	swaps (&reply.sequenceNumber, n);
-	swapl (&reply.length, n);
-	swaps (&reply.size, n);
-    }
-    WriteToClient (client, sizeof (xRRGetCrtcGammaReply), (char *) &reply);
-    if (crtc->gammaSize)
-    {
-	memcpy(extra, crtc->gammaRed, len);
-	client->pSwapReplyFunc = (ReplySwapPtr)CopySwap16Write;
-	WriteSwappedDataToClient (client, len, extra);
-	free(extra);
-    }
-    return Success;
-}
-
-int
-ProcRRSetCrtcGamma (ClientPtr client)
-{
-    REQUEST(xRRSetCrtcGammaReq);
-    RRCrtcPtr			crtc;
-    unsigned long		len;
-    CARD16			*red, *green, *blue;
-    
-    REQUEST_AT_LEAST_SIZE(xRRSetCrtcGammaReq);
-    VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);
-    
-    len = client->req_len - bytes_to_int32(sizeof (xRRSetCrtcGammaReq));
-    if (len < (stuff->size * 3 + 1) >> 1)
-	return BadLength;
-
-    if (stuff->size != crtc->gammaSize)
-	return BadMatch;
-    
-    red = (CARD16 *) (stuff + 1);
-    green = red + crtc->gammaSize;
-    blue = green + crtc->gammaSize;
-    
-    RRCrtcGammaSet (crtc, red, green, blue);
-
-    return Success;
-}
-
-/* Version 1.3 additions */
-
-int
-ProcRRSetCrtcTransform (ClientPtr client)
-{
-    REQUEST(xRRSetCrtcTransformReq);
-    RRCrtcPtr		    crtc;
-    PictTransform	    transform;
-    struct pixman_f_transform f_transform, f_inverse;
-    char		    *filter;
-    int			    nbytes;
-    xFixed		    *params;
-    int			    nparams;
-
-    REQUEST_AT_LEAST_SIZE(xRRSetCrtcTransformReq);
-    VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);
-
-    PictTransform_from_xRenderTransform (&transform, &stuff->transform);
-    pixman_f_transform_from_pixman_transform (&f_transform, &transform);
-    if (!pixman_f_transform_invert (&f_inverse, &f_transform))
-	return BadMatch;
-
-    filter = (char *) (stuff + 1);
-    nbytes = stuff->nbytesFilter;
-    params = (xFixed *) (filter + pad_to_int32(nbytes));
-    nparams = ((xFixed *) stuff + client->req_len) - params;
-    if (nparams < 0)
-	return BadLength;
-
-    return RRCrtcTransformSet (crtc, &transform, &f_transform, &f_inverse,
-			       filter, nbytes, params, nparams);
-}
-
-
-#define CrtcTransformExtra	(SIZEOF(xRRGetCrtcTransformReply) - 32)
-				
-static int
-transform_filter_length (RRTransformPtr transform)
-{
-    int	nbytes, nparams;
-
-    if (transform->filter == NULL)
-	return 0;
-    nbytes = strlen (transform->filter->name);
-    nparams = transform->nparams;
-    return pad_to_int32(nbytes) + (nparams * sizeof (xFixed));
-}
-
-static int
-transform_filter_encode (ClientPtr client, char *output,
-			 CARD16	*nbytesFilter,
-			 CARD16	*nparamsFilter,
-			 RRTransformPtr transform)
-{
-    int	    nbytes, nparams;
-    int	    n;
-
-    if (transform->filter == NULL) {
-	*nbytesFilter = 0;
-	*nparamsFilter = 0;
-	return 0;
-    }
-    nbytes = strlen (transform->filter->name);
-    nparams = transform->nparams;
-    *nbytesFilter = nbytes;
-    *nparamsFilter = nparams;
-    memcpy (output, transform->filter->name, nbytes);
-    while ((nbytes & 3) != 0)
-	output[nbytes++] = 0;
-    memcpy (output + nbytes, transform->params, nparams * sizeof (xFixed));
-    if (client->swapped) {
-	swaps (nbytesFilter, n);
-	swaps (nparamsFilter, n);
-	SwapLongs ((CARD32 *) (output + nbytes), nparams);
-    }
-    nbytes += nparams * sizeof (xFixed);
-    return nbytes;
-}
-
-static void
-transform_encode (ClientPtr client, xRenderTransform *wire, PictTransform *pict)
-{
-    xRenderTransform_from_PictTransform (wire, pict);
-    if (client->swapped)
-	SwapLongs ((CARD32 *) wire, bytes_to_int32(sizeof(xRenderTransform)));
-}
-
-int
-ProcRRGetCrtcTransform (ClientPtr client)
-{
-    REQUEST(xRRGetCrtcTransformReq);
-    xRRGetCrtcTransformReply	*reply;
-    RRCrtcPtr			crtc;
-    int				n, nextra;
-    RRTransformPtr		current, pending;
-    char			*extra;
-
-    REQUEST_SIZE_MATCH (xRRGetCrtcTransformReq);
-    VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);
-
-    pending = &crtc->client_pending_transform;
-    current = &crtc->client_current_transform;
-
-    nextra = (transform_filter_length (pending) +
-	      transform_filter_length (current));
-
-    reply = malloc(sizeof (xRRGetCrtcTransformReply) + nextra);
-    if (!reply)
-	return BadAlloc;
-
-    extra = (char *) (reply + 1);
-    reply->type = X_Reply;
-    reply->sequenceNumber = client->sequence;
-    reply->length = bytes_to_int32(CrtcTransformExtra + nextra);
-
-    reply->hasTransforms = crtc->transforms;
-
-    transform_encode (client, &reply->pendingTransform, &pending->transform);
-    extra += transform_filter_encode (client, extra,
-				      &reply->pendingNbytesFilter,
-				      &reply->pendingNparamsFilter,
-				      pending);
-
-    transform_encode (client, &reply->currentTransform, &current->transform);
-    extra += transform_filter_encode (client, extra,
-				      &reply->currentNbytesFilter,
-				      &reply->currentNparamsFilter,
-				      current);
-
-    if (client->swapped) {
-	swaps (&reply->sequenceNumber, n);
-	swapl (&reply->length, n);
-    }
-    WriteToClient (client, sizeof (xRRGetCrtcTransformReply) + nextra, (char *) reply);
-    free(reply);
-    return Success;
-}
+/*

+ * Copyright © 2006 Keith Packard

+ * Copyright 2010 Red Hat, Inc

+ *

+ * 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.

+ */

+

+#include "randrstr.h"

+#include "swaprep.h"

+#include "mipointer.h"

+

+RESTYPE	RRCrtcType;

+

+/*

+ * Notify the CRTC of some change

+ */

+void

+RRCrtcChanged (RRCrtcPtr crtc, Bool layoutChanged)

+{

+    ScreenPtr	pScreen = crtc->pScreen;

+

+    crtc->changed = TRUE;

+    if (pScreen)

+    {

+	rrScrPriv(pScreen);

+    

+	pScrPriv->changed = TRUE;

+	/*

+	 * Send ConfigureNotify on any layout change

+	 */

+	if (layoutChanged)

+	    pScrPriv->layoutChanged = TRUE;

+    }

+}

+

+/*

+ * Create a CRTC

+ */

+RRCrtcPtr

+RRCrtcCreate (ScreenPtr pScreen, void *devPrivate)

+{

+    RRCrtcPtr	    crtc;

+    RRCrtcPtr	    *crtcs;

+    rrScrPrivPtr    pScrPriv;

+

+    if (!RRInit())

+	return NULL;

+    

+    pScrPriv = rrGetScrPriv(pScreen);

+

+    /* make space for the crtc pointer */

+    if (pScrPriv->numCrtcs)

+	crtcs = realloc(pScrPriv->crtcs, 

+			  (pScrPriv->numCrtcs + 1) * sizeof (RRCrtcPtr));

+    else

+	crtcs = malloc(sizeof (RRCrtcPtr));

+    if (!crtcs)

+	return FALSE;

+    pScrPriv->crtcs = crtcs;

+    

+    crtc = calloc(1, sizeof (RRCrtcRec));

+    if (!crtc)

+	return NULL;

+    crtc->id = FakeClientID (0);

+    crtc->pScreen = pScreen;

+    crtc->mode = NULL;

+    crtc->x = 0;

+    crtc->y = 0;

+    crtc->rotation = RR_Rotate_0;

+    crtc->rotations = RR_Rotate_0;

+    crtc->outputs = NULL;

+    crtc->numOutputs = 0;

+    crtc->gammaSize = 0;

+    crtc->gammaRed = crtc->gammaBlue = crtc->gammaGreen = NULL;

+    crtc->changed = FALSE;

+    crtc->devPrivate = devPrivate;

+    RRTransformInit (&crtc->client_pending_transform);

+    RRTransformInit (&crtc->client_current_transform);

+    pixman_transform_init_identity (&crtc->transform);

+    pixman_f_transform_init_identity (&crtc->f_transform);

+    pixman_f_transform_init_identity (&crtc->f_inverse);

+

+    if (!AddResource (crtc->id, RRCrtcType, (pointer) crtc))

+	return NULL;

+

+    /* attach the screen and crtc together */

+    crtc->pScreen = pScreen;

+    pScrPriv->crtcs[pScrPriv->numCrtcs++] = crtc;

+    

+    return crtc;

+}

+

+/*

+ * Set the allowed rotations on a CRTC

+ */

+void

+RRCrtcSetRotations (RRCrtcPtr crtc, Rotation rotations)

+{

+    crtc->rotations = rotations;

+}

+

+/*

+ * Set whether transforms are allowed on a CRTC

+ */

+void

+RRCrtcSetTransformSupport (RRCrtcPtr crtc, Bool transforms)

+{

+    crtc->transforms = transforms;

+}

+

+/*

+ * Notify the extension that the Crtc has been reconfigured,

+ * the driver calls this whenever it has updated the mode

+ */

+Bool

+RRCrtcNotify (RRCrtcPtr	    crtc,

+	      RRModePtr	    mode,

+	      int	    x,

+	      int	    y,

+	      Rotation	    rotation,

+	      RRTransformPtr transform,

+	      int	    numOutputs,

+	      RROutputPtr   *outputs)

+{

+    int	    i, j;

+    

+    /*

+     * Check to see if any of the new outputs were

+     * not in the old list and mark them as changed

+     */

+    for (i = 0; i < numOutputs; i++)

+    {

+	for (j = 0; j < crtc->numOutputs; j++)

+	    if (outputs[i] == crtc->outputs[j])

+		break;

+	if (j == crtc->numOutputs)

+	{

+	    outputs[i]->crtc = crtc;

+	    RROutputChanged (outputs[i], FALSE);

+	    RRCrtcChanged (crtc, FALSE);

+	}

+    }

+    /*

+     * Check to see if any of the old outputs are

+     * not in the new list and mark them as changed

+     */

+    for (j = 0; j < crtc->numOutputs; j++)

+    {

+	for (i = 0; i < numOutputs; i++)

+	    if (outputs[i] == crtc->outputs[j])

+		break;

+	if (i == numOutputs)

+	{

+	    if (crtc->outputs[j]->crtc == crtc)

+		crtc->outputs[j]->crtc = NULL;

+	    RROutputChanged (crtc->outputs[j], FALSE);

+	    RRCrtcChanged (crtc, FALSE);

+	}

+    }

+    /*

+     * Reallocate the crtc output array if necessary

+     */

+    if (numOutputs != crtc->numOutputs)

+    {

+	RROutputPtr *newoutputs;

+	

+	if (numOutputs)

+	{

+	    if (crtc->numOutputs)

+		newoutputs = realloc(crtc->outputs,

+				    numOutputs * sizeof (RROutputPtr));

+	    else

+		newoutputs = malloc(numOutputs * sizeof (RROutputPtr));

+	    if (!newoutputs)

+		return FALSE;

+	}

+	else

+	{

+	    free(crtc->outputs);

+	    newoutputs = NULL;

+	}

+	crtc->outputs = newoutputs;

+	crtc->numOutputs = numOutputs;

+    }

+    /*

+     * Copy the new list of outputs into the crtc

+     */

+    memcpy (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr));

+    /*

+     * Update remaining crtc fields

+     */

+    if (mode != crtc->mode)

+    {

+	if (crtc->mode)

+	    RRModeDestroy (crtc->mode);

+	crtc->mode = mode;

+	if (mode != NULL)

+	    mode->refcnt++;

+	RRCrtcChanged (crtc, TRUE);

+    }

+    if (x != crtc->x)

+    {

+	crtc->x = x;

+	RRCrtcChanged (crtc, TRUE);

+    }

+    if (y != crtc->y)

+    {

+	crtc->y = y;

+	RRCrtcChanged (crtc, TRUE);

+    }

+    if (rotation != crtc->rotation)

+    {

+	crtc->rotation = rotation;

+	RRCrtcChanged (crtc, TRUE);

+    }

+    if (!RRTransformEqual (transform, &crtc->client_current_transform)) {

+	RRTransformCopy (&crtc->client_current_transform, transform);

+	RRCrtcChanged (crtc, TRUE);

+    }

+    if (crtc->changed && mode)

+    {

+	RRTransformCompute (x, y,

+			    mode->mode.width, mode->mode.height,

+			    rotation,

+			    &crtc->client_current_transform,

+			    &crtc->transform, &crtc->f_transform,

+			    &crtc->f_inverse);

+    }

+    return TRUE;

+}

+

+void

+RRDeliverCrtcEvent (ClientPtr client, WindowPtr pWin, RRCrtcPtr crtc)

+{

+    ScreenPtr pScreen = pWin->drawable.pScreen;

+    rrScrPriv (pScreen);

+    xRRCrtcChangeNotifyEvent	ce;

+    RRModePtr	mode = crtc->mode;

+    

+    ce.type = RRNotify + RREventBase;

+    ce.subCode = RRNotify_CrtcChange;

+    ce.timestamp = pScrPriv->lastSetTime.milliseconds;

+    ce.window = pWin->drawable.id;

+    ce.crtc = crtc->id;

+    ce.rotation = crtc->rotation;

+    if (mode)

+    {

+	ce.mode = mode->mode.id;

+	ce.x = crtc->x;

+	ce.y = crtc->y;

+	ce.width = mode->mode.width;

+	ce.height = mode->mode.height;

+    }

+    else

+    {

+	ce.mode = None;

+	ce.x = 0;

+	ce.y = 0;

+	ce.width = 0;

+	ce.height = 0;

+    }

+    WriteEventsToClient (client, 1, (xEvent *) &ce);

+}

+

+static Bool

+RRCrtcPendingProperties (RRCrtcPtr crtc)

+{

+    ScreenPtr	pScreen = crtc->pScreen;

+    rrScrPriv(pScreen);

+    int		o;

+

+    for (o = 0; o < pScrPriv->numOutputs; o++)

+    {

+	RROutputPtr output = pScrPriv->outputs[o];

+	if (output->crtc == crtc && output->pendingProperties)

+	    return TRUE;

+    }

+    return FALSE;

+}

+

+static void

+crtc_bounds(RRCrtcPtr crtc, int *left, int *right, int *top, int *bottom)

+{

+    *left = crtc->x;

+    *top = crtc->y;

+

+    switch (crtc->rotation) {

+    case RR_Rotate_0:

+    case RR_Rotate_180:

+    default:

+       *right = crtc->x + crtc->mode->mode.width;

+       *bottom = crtc->y + crtc->mode->mode.height;

+       return;

+    case RR_Rotate_90:

+    case RR_Rotate_270:

+       *right = crtc->x + crtc->mode->mode.height;

+       *bottom = crtc->y + crtc->mode->mode.width;

+       return;

+    }

+}

+

+/* overlapping counts as adjacent */

+static Bool

+crtcs_adjacent(const RRCrtcPtr a, const RRCrtcPtr b)

+{

+    /* left, right, top, bottom... */

+    int al, ar, at, ab;

+    int bl, br, bt, bb;

+    int cl, cr, ct, cb; /* the overlap, if any */

+

+    crtc_bounds(a, &al, &ar, &at, &ab);

+    crtc_bounds(b, &bl, &br, &bt, &bb);

+

+    cl = max(al, bl);

+    cr = min(ar, br);

+    ct = max(at, bt);

+    cb = min(ab, bb);

+

+    return (cl <= cr) && (ct <= cb);

+}

+

+/* Depth-first search and mark all CRTCs reachable from cur */

+static void

+mark_crtcs (rrScrPrivPtr pScrPriv, int *reachable, int cur)

+{

+    int i;

+    reachable[cur] = TRUE;

+    for (i = 0; i < pScrPriv->numCrtcs; ++i) {

+        if (reachable[i] || !pScrPriv->crtcs[i]->mode)

+            continue;

+        if (crtcs_adjacent(pScrPriv->crtcs[cur], pScrPriv->crtcs[i]))

+            mark_crtcs(pScrPriv, reachable, i);

+    }

+}

+

+static void

+RRComputeContiguity (ScreenPtr pScreen)

+{

+    rrScrPriv(pScreen);

+    Bool discontiguous = TRUE;

+    int i, n = pScrPriv->numCrtcs;

+

+    int *reachable = calloc(n, sizeof(int));

+    if (!reachable)

+        goto out;

+

+    /* Find first enabled CRTC and start search for reachable CRTCs from it */

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

+        if (pScrPriv->crtcs[i]->mode) {

+            mark_crtcs(pScrPriv, reachable, i);

+            break;

+        }

+    }

+

+    /* Check that all enabled CRTCs were marked as reachable */

+    for (i = 0; i < n; ++i)

+        if (pScrPriv->crtcs[i]->mode && !reachable[i])

+            goto out;

+

+    discontiguous = FALSE;

+

+out:

+    free(reachable);

+    pScrPriv->discontiguous = discontiguous;

+}

+

+/*

+ * Request that the Crtc be reconfigured

+ */

+Bool

+RRCrtcSet (RRCrtcPtr    crtc,

+	   RRModePtr	mode,

+	   int		x,

+	   int		y,

+	   Rotation	rotation,

+	   int		numOutputs,

+	   RROutputPtr  *outputs)

+{

+    ScreenPtr	pScreen = crtc->pScreen;

+    Bool	ret = FALSE;

+    Bool	recompute = TRUE;

+    rrScrPriv(pScreen);

+

+    /* See if nothing changed */

+    if (crtc->mode == mode &&

+	crtc->x == x &&

+	crtc->y == y &&

+	crtc->rotation == rotation &&

+	crtc->numOutputs == numOutputs &&

+	!memcmp (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr)) &&

+	!RRCrtcPendingProperties (crtc) &&

+	!RRCrtcPendingTransform (crtc))

+    {

+	recompute = FALSE;

+	ret = TRUE;

+    }

+    else

+    {

+#if RANDR_12_INTERFACE

+	if (pScrPriv->rrCrtcSet)

+	{

+	    ret = (*pScrPriv->rrCrtcSet) (pScreen, crtc, mode, x, y, 

+					  rotation, numOutputs, outputs);

+	}

+	else

+#endif

+	{

+#if RANDR_10_INTERFACE

+	    if (pScrPriv->rrSetConfig)

+	    {

+		RRScreenSize	    size;

+		RRScreenRate	    rate;

+

+		if (!mode)

+		{

+		    RRCrtcNotify (crtc, NULL, x, y, rotation, NULL, 0, NULL);

+		    ret = TRUE;

+		}

+		else

+		{

+		    size.width = mode->mode.width;

+		    size.height = mode->mode.height;

+		    if (outputs[0]->mmWidth && outputs[0]->mmHeight)

+		    {

+			size.mmWidth = outputs[0]->mmWidth;

+			size.mmHeight = outputs[0]->mmHeight;

+		    }

+		    else

+		    {

+			size.mmWidth = pScreen->mmWidth;

+			size.mmHeight = pScreen->mmHeight;

+		    }

+		    size.nRates = 1;

+		    rate.rate = RRVerticalRefresh (&mode->mode);

+		    size.pRates = &rate;

+		    ret = (*pScrPriv->rrSetConfig) (pScreen, rotation, rate.rate, &size);

+		    /*

+		     * Old 1.0 interface tied screen size to mode size

+		     */

+		    if (ret)

+		    {

+			RRCrtcNotify (crtc, mode, x, y, rotation, NULL, 1, outputs);

+			RRScreenSizeNotify (pScreen);

+		    }

+		}

+	    }

+#endif

+	}

+	if (ret)

+	{

+	    int	o;

+	    RRTellChanged (pScreen);

+

+	    for (o = 0; o < numOutputs; o++)

+		RRPostPendingProperties (outputs[o]);

+	}

+    }

+

+    if (recompute)

+       RRComputeContiguity(pScreen);

+

+    return ret;

+}

+

+/*

+ * Return crtc transform

+ */

+RRTransformPtr

+RRCrtcGetTransform (RRCrtcPtr crtc)

+{

+    RRTransformPtr  transform = &crtc->client_pending_transform;

+

+    if (pixman_transform_is_identity (&transform->transform))

+	return NULL;

+    return transform;

+}

+

+/*

+ * Check whether the pending and current transforms are the same

+ */

+Bool

+RRCrtcPendingTransform (RRCrtcPtr crtc)

+{

+    return memcmp (&crtc->client_current_transform.transform,

+		   &crtc->client_pending_transform.transform,

+		   sizeof (PictTransform)) != 0;

+}

+

+/*

+ * Destroy a Crtc at shutdown

+ */

+void

+RRCrtcDestroy (RRCrtcPtr crtc)

+{

+    FreeResource (crtc->id, 0);

+}

+

+static int

+RRCrtcDestroyResource (pointer value, XID pid)

+{

+    RRCrtcPtr	crtc = (RRCrtcPtr) value;

+    ScreenPtr	pScreen = crtc->pScreen;

+

+    if (pScreen)

+    {

+	rrScrPriv(pScreen);

+	int		i;

+    

+	for (i = 0; i < pScrPriv->numCrtcs; i++)

+	{

+	    if (pScrPriv->crtcs[i] == crtc)

+	    {

+		memmove (pScrPriv->crtcs + i, pScrPriv->crtcs + i + 1,

+			 (pScrPriv->numCrtcs - (i + 1)) * sizeof (RRCrtcPtr));

+		--pScrPriv->numCrtcs;

+		break;

+	    }

+	}

+    }

+    free(crtc->gammaRed);

+    if (crtc->mode)

+	RRModeDestroy (crtc->mode);

+    free(crtc);

+    return 1;

+}

+

+/*

+ * Request that the Crtc gamma be changed

+ */

+

+Bool

+RRCrtcGammaSet (RRCrtcPtr   crtc,

+		CARD16	    *red,

+		CARD16	    *green,

+		CARD16	    *blue)

+{

+    Bool	ret = TRUE;

+#if RANDR_12_INTERFACE

+    ScreenPtr	pScreen = crtc->pScreen;

+#endif

+    

+    memcpy (crtc->gammaRed, red, crtc->gammaSize * sizeof (CARD16));

+    memcpy (crtc->gammaGreen, green, crtc->gammaSize * sizeof (CARD16));

+    memcpy (crtc->gammaBlue, blue, crtc->gammaSize * sizeof (CARD16));

+#if RANDR_12_INTERFACE

+    if (pScreen)

+    {

+	rrScrPriv(pScreen);

+	if (pScrPriv->rrCrtcSetGamma)

+	    ret = (*pScrPriv->rrCrtcSetGamma) (pScreen, crtc);

+    }

+#endif

+    return ret;

+}

+

+/*

+ * Request current gamma back from the DDX (if possible).

+ * This includes gamma size.

+ */

+Bool

+RRCrtcGammaGet(RRCrtcPtr crtc)

+{

+    Bool ret = TRUE;

+#if RANDR_12_INTERFACE

+    ScreenPtr	pScreen = crtc->pScreen;

+#endif

+

+#if RANDR_12_INTERFACE

+    if (pScreen)

+    {

+        rrScrPriv(pScreen);

+        if (pScrPriv->rrCrtcGetGamma)

+            ret = (*pScrPriv->rrCrtcGetGamma) (pScreen, crtc);

+    }

+#endif

+    return ret;

+}

+

+/*

+ * Notify the extension that the Crtc gamma has been changed

+ * The driver calls this whenever it has changed the gamma values

+ * in the RRCrtcRec

+ */

+

+Bool

+RRCrtcGammaNotify (RRCrtcPtr	crtc)

+{

+    return TRUE;    /* not much going on here */

+}

+

+static void

+RRModeGetScanoutSize (RRModePtr mode, PictTransformPtr transform,

+		      int *width, int *height)

+{

+    BoxRec  box;

+

+    if (mode == NULL) {

+	*width = 0;

+	*height = 0;

+	return;

+    }

+

+    box.x1 = 0;

+    box.y1 = 0;

+    box.x2 = mode->mode.width;

+    box.y2 = mode->mode.height;

+

+    pixman_transform_bounds (transform, &box);

+    *width = box.x2 - box.x1;

+    *height = box.y2 - box.y1;

+}

+

+/**

+ * Returns the width/height that the crtc scans out from the framebuffer

+ */

+void

+RRCrtcGetScanoutSize(RRCrtcPtr crtc, int *width, int *height)

+{

+    return RRModeGetScanoutSize (crtc->mode, &crtc->transform, width, height);

+}

+

+/*

+ * Set the size of the gamma table at server startup time

+ */

+

+Bool

+RRCrtcGammaSetSize (RRCrtcPtr	crtc,

+		    int		size)

+{

+    CARD16  *gamma;

+

+    if (size == crtc->gammaSize)

+	return TRUE;

+    if (size)

+    {

+	gamma = malloc(size * 3 * sizeof (CARD16));

+	if (!gamma)

+	    return FALSE;

+    }

+    else

+	gamma = NULL;

+    free(crtc->gammaRed);

+    crtc->gammaRed = gamma;

+    crtc->gammaGreen = gamma + size;

+    crtc->gammaBlue = gamma + size*2;

+    crtc->gammaSize = size;

+    return TRUE;

+}

+

+/*

+ * Set the pending CRTC transformation

+ */

+

+int

+RRCrtcTransformSet (RRCrtcPtr		crtc,

+		    PictTransformPtr	transform,

+		    struct pixman_f_transform *f_transform,

+		    struct pixman_f_transform *f_inverse,

+		    char		*filter_name,

+		    int			filter_len,

+		    xFixed		*params,

+		    int			nparams)

+{

+    PictFilterPtr   filter = NULL;

+    int		    width = 0, height = 0;

+

+    if (!crtc->transforms)

+	return BadValue;

+

+    if (filter_len)

+    {

+	filter = PictureFindFilter (crtc->pScreen,

+				    filter_name,

+				    filter_len);

+	if (!filter)

+	    return BadName;

+	if (filter->ValidateParams)

+	{

+	    if (!filter->ValidateParams (crtc->pScreen, filter->id,

+					 params, nparams, &width, &height))

+		return BadMatch;

+	}

+	else {

+	    width = filter->width;

+	    height = filter->height;

+	}

+    }

+    else

+    {

+	if (nparams)

+	    return BadMatch;

+    }

+    if (!RRTransformSetFilter (&crtc->client_pending_transform,

+			       filter, params, nparams, width, height))

+	return BadAlloc;

+

+    crtc->client_pending_transform.transform = *transform;

+    crtc->client_pending_transform.f_transform = *f_transform;

+    crtc->client_pending_transform.f_inverse = *f_inverse;

+    return Success;

+}

+

+/*

+ * Initialize crtc type

+ */

+Bool

+RRCrtcInit (void)

+{

+    RRCrtcType = CreateNewResourceType (RRCrtcDestroyResource, "CRTC");

+    if (!RRCrtcType)

+	return FALSE;

+    

+    return TRUE;

+}

+

+/*

+ * Initialize crtc type error value

+ */

+void

+RRCrtcInitErrorValue(void)

+{

+    SetResourceTypeErrorValue(RRCrtcType, RRErrorBase + BadRRCrtc);

+}

+

+int

+ProcRRGetCrtcInfo (ClientPtr client)

+{

+    REQUEST(xRRGetCrtcInfoReq);

+    xRRGetCrtcInfoReply	rep;

+    RRCrtcPtr			crtc;

+    CARD8			*extra;

+    unsigned long		extraLen;

+    ScreenPtr			pScreen;

+    rrScrPrivPtr		pScrPriv;

+    RRModePtr			mode;

+    RROutput			*outputs;

+    RROutput			*possible;

+    int				i, j, k, n;

+    int				width, height;

+    BoxRec			panned_area;

+    

+    REQUEST_SIZE_MATCH(xRRGetCrtcInfoReq);

+    VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);

+

+    /* All crtcs must be associated with screens before client

+     * requests are processed

+     */

+    pScreen = crtc->pScreen;

+    pScrPriv = rrGetScrPriv(pScreen);

+

+    mode = crtc->mode;

+    

+    rep.type = X_Reply;

+    rep.status = RRSetConfigSuccess;

+    rep.sequenceNumber = client->sequence;

+    rep.length = 0;

+    rep.timestamp = pScrPriv->lastSetTime.milliseconds;

+    if (pScrPriv->rrGetPanning &&

+	pScrPriv->rrGetPanning (pScreen, crtc, &panned_area, NULL, NULL) &&

+	(panned_area.x2 > panned_area.x1) && (panned_area.y2 > panned_area.y1))

+    {

+ 	rep.x = panned_area.x1;

+	rep.y = panned_area.y1;

+	rep.width = panned_area.x2 - panned_area.x1;

+	rep.height = panned_area.y2 - panned_area.y1;

+    }

+    else

+    {

+	RRCrtcGetScanoutSize (crtc, &width, &height);

+	rep.x = crtc->x;

+	rep.y = crtc->y;

+	rep.width = width;

+	rep.height = height;

+    }

+    rep.mode = mode ? mode->mode.id : 0;

+    rep.rotation = crtc->rotation;

+    rep.rotations = crtc->rotations;

+    rep.nOutput = crtc->numOutputs;

+    k = 0;

+    for (i = 0; i < pScrPriv->numOutputs; i++)

+	for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++)

+	    if (pScrPriv->outputs[i]->crtcs[j] == crtc)

+		k++;

+    rep.nPossibleOutput = k;

+    

+    rep.length = rep.nOutput + rep.nPossibleOutput;

+

+    extraLen = rep.length << 2;

+    if (extraLen)

+    {

+	extra = malloc(extraLen);

+	if (!extra)

+	    return BadAlloc;

+    }

+    else

+	extra = NULL;

+

+    outputs = (RROutput *) extra;

+    possible = (RROutput *) (outputs + rep.nOutput);

+    

+    for (i = 0; i < crtc->numOutputs; i++)

+    {

+	outputs[i] = crtc->outputs[i]->id;

+	if (client->swapped)

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

+    }

+    k = 0;

+    for (i = 0; i < pScrPriv->numOutputs; i++)

+	for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++)

+	    if (pScrPriv->outputs[i]->crtcs[j] == crtc)

+	    {

+		possible[k] = pScrPriv->outputs[i]->id;

+		if (client->swapped)

+		    swapl (&possible[k], n);

+		k++;

+	    }

+    

+    if (client->swapped) {

+	swaps(&rep.sequenceNumber, n);

+	swapl(&rep.length, n);

+	swapl(&rep.timestamp, n);

+	swaps(&rep.x, n);

+	swaps(&rep.y, n);

+	swaps(&rep.width, n);

+	swaps(&rep.height, n);

+	swapl(&rep.mode, n);

+	swaps(&rep.rotation, n);

+	swaps(&rep.rotations, n);

+	swaps(&rep.nOutput, n);

+	swaps(&rep.nPossibleOutput, n);

+    }

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

+    if (extraLen)

+    {

+	WriteToClient (client, extraLen, (char *) extra);

+	free(extra);

+    }

+    

+    return Success;

+}

+

+int

+ProcRRSetCrtcConfig (ClientPtr client)

+{

+    REQUEST(xRRSetCrtcConfigReq);

+    xRRSetCrtcConfigReply   rep;

+    ScreenPtr		    pScreen;

+    rrScrPrivPtr	    pScrPriv;

+    RRCrtcPtr		    crtc;

+    RRModePtr		    mode;

+    int			    numOutputs;

+    RROutputPtr		    *outputs = NULL;

+    RROutput		    *outputIds;

+    TimeStamp		    configTime;

+    TimeStamp		    time;

+    Rotation		    rotation;

+    int			    rc, i, j;

+    

+    REQUEST_AT_LEAST_SIZE(xRRSetCrtcConfigReq);

+    numOutputs = (stuff->length - bytes_to_int32(SIZEOF (xRRSetCrtcConfigReq)));

+    

+    VERIFY_RR_CRTC(stuff->crtc, crtc, DixSetAttrAccess);

+

+    if (stuff->mode == None)

+    {

+	mode = NULL;

+	if (numOutputs > 0)

+	    return BadMatch;

+    }

+    else

+    {

+	VERIFY_RR_MODE(stuff->mode, mode, DixSetAttrAccess);

+	if (numOutputs == 0)

+	    return BadMatch;

+    }

+    if (numOutputs)

+    {

+	outputs = malloc(numOutputs * sizeof (RROutputPtr));

+	if (!outputs)

+	    return BadAlloc;

+    }

+    else

+	outputs = NULL;

+    

+    outputIds = (RROutput *) (stuff + 1);

+    for (i = 0; i < numOutputs; i++)

+    {

+	rc = dixLookupResourceByType((pointer *)(outputs + i), outputIds[i],

+				     RROutputType, client, DixSetAttrAccess);

+	if (rc != Success)

+	{

+	    free(outputs);

+	    return rc;

+	}

+	/* validate crtc for this output */

+	for (j = 0; j < outputs[i]->numCrtcs; j++)

+	    if (outputs[i]->crtcs[j] == crtc)

+		break;

+	if (j == outputs[i]->numCrtcs)

+	{

+	    free(outputs);

+	    return BadMatch;

+	}

+	/* validate mode for this output */

+	for (j = 0; j < outputs[i]->numModes + outputs[i]->numUserModes; j++)

+	{

+	    RRModePtr	m = (j < outputs[i]->numModes ? 

+			     outputs[i]->modes[j] :

+			     outputs[i]->userModes[j - outputs[i]->numModes]);

+	    if (m == mode)

+		break;

+	}

+	if (j == outputs[i]->numModes + outputs[i]->numUserModes)

+	{

+	    free(outputs);

+	    return BadMatch;

+	}

+    }

+    /* validate clones */

+    for (i = 0; i < numOutputs; i++)

+    {

+	for (j = 0; j < numOutputs; j++)

+	{

+	    int k;

+	    if (i == j)

+		continue;

+	    for (k = 0; k < outputs[i]->numClones; k++)

+	    {

+		if (outputs[i]->clones[k] == outputs[j])

+		    break;

+	    }

+	    if (k == outputs[i]->numClones)

+	    {

+		free(outputs);

+		return BadMatch;

+	    }

+	}

+    }

+

+    pScreen = crtc->pScreen;

+    pScrPriv = rrGetScrPriv(pScreen);

+    

+    time = ClientTimeToServerTime(stuff->timestamp);

+    configTime = ClientTimeToServerTime(stuff->configTimestamp);

+    

+    if (!pScrPriv)

+    {

+	time = currentTime;

+	rep.status = RRSetConfigFailed;

+	goto sendReply;

+    }

+    

+    /*

+     * 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;

+	free(outputs);

+	return BadValue;

+    }

+

+    if (mode)

+    {

+	if ((~crtc->rotations) & rotation)

+	{

+	    /*

+	     * requested rotation or reflection not supported by screen

+	     */

+	    client->errorValue = stuff->rotation;

+	    free(outputs);

+	    return BadMatch;

+	}

+    

+#ifdef RANDR_12_INTERFACE

+	/*

+	 * Check screen size bounds if the DDX provides a 1.2 interface

+	 * for setting screen size. Else, assume the CrtcSet sets

+	 * the size along with the mode. If the driver supports transforms,

+	 * then it must allow crtcs to display a subset of the screen, so

+	 * only do this check for drivers without transform support.

+	 */

+	if (pScrPriv->rrScreenSetSize && !crtc->transforms)

+	{

+	    int source_width;

+	    int	source_height;

+	    PictTransform transform;

+	    struct pixman_f_transform f_transform, f_inverse;

+

+	    RRTransformCompute (stuff->x, stuff->y,

+				mode->mode.width, mode->mode.height,

+				rotation,

+				&crtc->client_pending_transform,

+				&transform, &f_transform, &f_inverse);

+

+	    RRModeGetScanoutSize (mode, &transform, &source_width, &source_height);

+	    if (stuff->x + source_width > pScreen->width)

+	    {

+		client->errorValue = stuff->x;

+		free(outputs);

+		return BadValue;

+	    }

+	    

+	    if (stuff->y + source_height > pScreen->height)

+	    {

+		client->errorValue = stuff->y;

+		free(outputs);

+		return BadValue;

+	    }

+	}

+#endif

+    }

+    

+    if (!RRCrtcSet (crtc, mode, stuff->x, stuff->y,

+		   rotation, numOutputs, outputs))

+    {

+	rep.status = RRSetConfigFailed;

+	goto sendReply;

+    }

+    rep.status = RRSetConfigSuccess;

+    pScrPriv->lastSetTime = time;

+    

+sendReply:

+    free(outputs);

+    

+    rep.type = X_Reply;

+    /* rep.status has already been filled in */

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+    rep.newTimestamp = pScrPriv->lastSetTime.milliseconds;

+

+    if (client->swapped) 

+    {

+	int n;

+    	swaps(&rep.sequenceNumber, n);

+    	swapl(&rep.length, n);

+	swapl(&rep.newTimestamp, n);

+    }

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

+    

+    return Success;

+}

+

+int

+ProcRRGetPanning (ClientPtr client)

+{

+    REQUEST(xRRGetPanningReq);

+    xRRGetPanningReply	rep;

+    RRCrtcPtr		crtc;

+    ScreenPtr		pScreen;

+    rrScrPrivPtr	pScrPriv;

+    BoxRec		total;

+    BoxRec		tracking;

+    INT16		border[4];

+    int			n;

+    

+    REQUEST_SIZE_MATCH(xRRGetPanningReq);

+    VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);

+

+    /* All crtcs must be associated with screens before client

+     * requests are processed

+     */

+    pScreen = crtc->pScreen;

+    pScrPriv = rrGetScrPriv(pScreen);

+

+    if (!pScrPriv)

+	return RRErrorBase + BadRRCrtc;

+

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

+    rep.type = X_Reply;

+    rep.status = RRSetConfigSuccess;

+    rep.sequenceNumber = client->sequence;

+    rep.length = 1;

+    rep.timestamp = pScrPriv->lastSetTime.milliseconds;

+

+    if (pScrPriv->rrGetPanning &&

+	pScrPriv->rrGetPanning (pScreen, crtc, &total, &tracking, border)) {

+	rep.left          = total.x1;

+	rep.top           = total.y1;

+	rep.width         = total.x2 - total.x1;

+	rep.height        = total.y2 - total.y1;

+	rep.track_left    = tracking.x1;

+	rep.track_top     = tracking.y1;

+	rep.track_width   = tracking.x2 - tracking.x1;

+	rep.track_height  = tracking.y2 - tracking.y1;

+	rep.border_left   = border[0];

+	rep.border_top    = border[1];

+	rep.border_right  = border[2];

+	rep.border_bottom = border[3];

+    }

+

+    if (client->swapped) {

+	swaps(&rep.sequenceNumber, n);

+	swapl(&rep.length, n);

+	swaps(&rep.timestamp, n);

+	swaps(&rep.left, n);

+	swaps(&rep.top, n);

+	swaps(&rep.width, n);

+	swaps(&rep.height, n);

+	swaps(&rep.track_left, n);

+	swaps(&rep.track_top, n);

+	swaps(&rep.track_width, n);

+	swaps(&rep.track_height, n);

+	swaps(&rep.border_left, n);

+	swaps(&rep.border_top, n);

+	swaps(&rep.border_right, n);

+	swaps(&rep.border_bottom, n);

+    }

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

+    return Success;

+}

+

+int

+ProcRRSetPanning (ClientPtr client)

+{

+    REQUEST(xRRSetPanningReq);

+    xRRSetPanningReply	rep;

+    RRCrtcPtr		crtc;

+    ScreenPtr		pScreen;

+    rrScrPrivPtr	pScrPriv;

+    TimeStamp		time;

+    BoxRec		total;

+    BoxRec		tracking;

+    INT16		border[4];

+    int			n;

+    

+    REQUEST_SIZE_MATCH(xRRSetPanningReq);

+    VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);

+

+    /* All crtcs must be associated with screens before client

+     * requests are processed

+     */

+    pScreen = crtc->pScreen;

+    pScrPriv = rrGetScrPriv(pScreen);

+

+    if (!pScrPriv) {

+	time = currentTime;

+	rep.status = RRSetConfigFailed;

+	goto sendReply;

+    }

+    

+    time = ClientTimeToServerTime(stuff->timestamp);

+    

+    if (!pScrPriv->rrGetPanning)

+	return RRErrorBase + BadRRCrtc;

+

+    total.x1    = stuff->left;

+    total.y1    = stuff->top;

+    total.x2    = total.x1 + stuff->width;

+    total.y2    = total.y1 + stuff->height;

+    tracking.x1 = stuff->track_left;

+    tracking.y1 = stuff->track_top;

+    tracking.x2 = tracking.x1 + stuff->track_width;

+    tracking.y2 = tracking.y1 + stuff->track_height;

+    border[0]   = stuff->border_left;

+    border[1]   = stuff->border_top;

+    border[2]   = stuff->border_right;

+    border[3]   = stuff->border_bottom;

+

+    if (! pScrPriv->rrSetPanning (pScreen, crtc, &total, &tracking, border))

+	return BadMatch;

+

+    pScrPriv->lastSetTime = time;

+

+    rep.status = RRSetConfigSuccess;

+

+sendReply:

+    rep.type = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.length = 0;

+    rep.newTimestamp = pScrPriv->lastSetTime.milliseconds;

+

+    if (client->swapped) {

+	swaps(&rep.sequenceNumber, n);

+	swapl(&rep.length, n);

+	swaps(&rep.newTimestamp, n);

+    }

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

+    return Success;

+}

+

+int

+ProcRRGetCrtcGammaSize (ClientPtr client)

+{

+    REQUEST(xRRGetCrtcGammaSizeReq);

+    xRRGetCrtcGammaSizeReply	reply;

+    RRCrtcPtr			crtc;

+    int				n;

+

+    REQUEST_SIZE_MATCH(xRRGetCrtcGammaSizeReq);

+    VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);

+

+    /* Gamma retrieval failed, any better error? */

+    if (!RRCrtcGammaGet(crtc))

+        return RRErrorBase + BadRRCrtc;

+

+    reply.type = X_Reply;

+    reply.sequenceNumber = client->sequence;

+    reply.length = 0;

+    reply.size = crtc->gammaSize;

+    if (client->swapped) {

+	swaps (&reply.sequenceNumber, n);

+	swapl (&reply.length, n);

+	swaps (&reply.size, n);

+    }

+    WriteToClient (client, sizeof (xRRGetCrtcGammaSizeReply), (char *) &reply);

+    return Success;

+}

+

+int

+ProcRRGetCrtcGamma (ClientPtr client)

+{

+    REQUEST(xRRGetCrtcGammaReq);

+    xRRGetCrtcGammaReply	reply;

+    RRCrtcPtr			crtc;

+    int				n;

+    unsigned long		len;

+    char			*extra = NULL;

+    

+    REQUEST_SIZE_MATCH(xRRGetCrtcGammaReq);

+    VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);

+

+    /* Gamma retrieval failed, any better error? */

+    if (!RRCrtcGammaGet(crtc))

+        return RRErrorBase + BadRRCrtc;

+

+    len = crtc->gammaSize * 3 * 2;

+    

+    if (crtc->gammaSize) {

+	extra = malloc(len);

+	if (!extra)

+	    return BadAlloc;

+    }

+

+    reply.type = X_Reply;

+    reply.sequenceNumber = client->sequence;

+    reply.length = bytes_to_int32(len);

+    reply.size = crtc->gammaSize;

+    if (client->swapped) {

+	swaps (&reply.sequenceNumber, n);

+	swapl (&reply.length, n);

+	swaps (&reply.size, n);

+    }

+    WriteToClient (client, sizeof (xRRGetCrtcGammaReply), (char *) &reply);

+    if (crtc->gammaSize)

+    {

+	memcpy(extra, crtc->gammaRed, len);

+	client->pSwapReplyFunc = (ReplySwapPtr)CopySwap16Write;

+	WriteSwappedDataToClient (client, len, extra);

+	free(extra);

+    }

+    return Success;

+}

+

+int

+ProcRRSetCrtcGamma (ClientPtr client)

+{

+    REQUEST(xRRSetCrtcGammaReq);

+    RRCrtcPtr			crtc;

+    unsigned long		len;

+    CARD16			*red, *green, *blue;

+    

+    REQUEST_AT_LEAST_SIZE(xRRSetCrtcGammaReq);

+    VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);

+    

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

+    if (len < (stuff->size * 3 + 1) >> 1)

+	return BadLength;

+

+    if (stuff->size != crtc->gammaSize)

+	return BadMatch;

+    

+    red = (CARD16 *) (stuff + 1);

+    green = red + crtc->gammaSize;

+    blue = green + crtc->gammaSize;

+    

+    RRCrtcGammaSet (crtc, red, green, blue);

+

+    return Success;

+}

+

+/* Version 1.3 additions */

+

+int

+ProcRRSetCrtcTransform (ClientPtr client)

+{

+    REQUEST(xRRSetCrtcTransformReq);

+    RRCrtcPtr		    crtc;

+    PictTransform	    transform;

+    struct pixman_f_transform f_transform, f_inverse;

+    char		    *filter;

+    int			    nbytes;

+    xFixed		    *params;

+    int			    nparams;

+

+    REQUEST_AT_LEAST_SIZE(xRRSetCrtcTransformReq);

+    VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);

+

+    PictTransform_from_xRenderTransform (&transform, &stuff->transform);

+    pixman_f_transform_from_pixman_transform (&f_transform, &transform);

+    if (!pixman_f_transform_invert (&f_inverse, &f_transform))

+	return BadMatch;

+

+    filter = (char *) (stuff + 1);

+    nbytes = stuff->nbytesFilter;

+    params = (xFixed *) (filter + pad_to_int32(nbytes));

+    nparams = ((xFixed *) stuff + client->req_len) - params;

+    if (nparams < 0)

+	return BadLength;

+

+    return RRCrtcTransformSet (crtc, &transform, &f_transform, &f_inverse,

+			       filter, nbytes, params, nparams);

+}

+

+

+#define CrtcTransformExtra	(SIZEOF(xRRGetCrtcTransformReply) - 32)

+				

+static int

+transform_filter_length (RRTransformPtr transform)

+{

+    int	nbytes, nparams;

+

+    if (transform->filter == NULL)

+	return 0;

+    nbytes = strlen (transform->filter->name);

+    nparams = transform->nparams;

+    return pad_to_int32(nbytes) + (nparams * sizeof (xFixed));

+}

+

+static int

+transform_filter_encode (ClientPtr client, char *output,

+			 CARD16	*nbytesFilter,

+			 CARD16	*nparamsFilter,

+			 RRTransformPtr transform)

+{

+    int	    nbytes, nparams;

+    int	    n;

+

+    if (transform->filter == NULL) {

+	*nbytesFilter = 0;

+	*nparamsFilter = 0;

+	return 0;

+    }

+    nbytes = strlen (transform->filter->name);

+    nparams = transform->nparams;

+    *nbytesFilter = nbytes;

+    *nparamsFilter = nparams;

+    memcpy (output, transform->filter->name, nbytes);

+    while ((nbytes & 3) != 0)

+	output[nbytes++] = 0;

+    memcpy (output + nbytes, transform->params, nparams * sizeof (xFixed));

+    if (client->swapped) {

+	swaps (nbytesFilter, n);

+	swaps (nparamsFilter, n);

+	SwapLongs ((CARD32 *) (output + nbytes), nparams);

+    }

+    nbytes += nparams * sizeof (xFixed);

+    return nbytes;

+}

+

+static void

+transform_encode (ClientPtr client, xRenderTransform *wire, PictTransform *pict)

+{

+    xRenderTransform_from_PictTransform (wire, pict);

+    if (client->swapped)

+	SwapLongs ((CARD32 *) wire, bytes_to_int32(sizeof(xRenderTransform)));

+}

+

+int

+ProcRRGetCrtcTransform (ClientPtr client)

+{

+    REQUEST(xRRGetCrtcTransformReq);

+    xRRGetCrtcTransformReply	*reply;

+    RRCrtcPtr			crtc;

+    int				n, nextra;

+    RRTransformPtr		current, pending;

+    char			*extra;

+

+    REQUEST_SIZE_MATCH (xRRGetCrtcTransformReq);

+    VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);

+

+    pending = &crtc->client_pending_transform;

+    current = &crtc->client_current_transform;

+

+    nextra = (transform_filter_length (pending) +

+	      transform_filter_length (current));

+

+    reply = malloc(sizeof (xRRGetCrtcTransformReply) + nextra);

+    if (!reply)

+	return BadAlloc;

+

+    extra = (char *) (reply + 1);

+    reply->type = X_Reply;

+    reply->sequenceNumber = client->sequence;

+    reply->length = bytes_to_int32(CrtcTransformExtra + nextra);

+

+    reply->hasTransforms = crtc->transforms;

+

+    transform_encode (client, &reply->pendingTransform, &pending->transform);

+    extra += transform_filter_encode (client, extra,

+				      &reply->pendingNbytesFilter,

+				      &reply->pendingNparamsFilter,

+				      pending);

+

+    transform_encode (client, &reply->currentTransform, &current->transform);

+    extra += transform_filter_encode (client, extra,

+				      &reply->currentNbytesFilter,

+				      &reply->currentNparamsFilter,

+				      current);

+

+    if (client->swapped) {

+	swaps (&reply->sequenceNumber, n);

+	swapl (&reply->length, n);

+    }

+    WriteToClient (client, sizeof (xRRGetCrtcTransformReply) + nextra, (char *) reply);

+    free(reply);

+    return Success;

+}

+

+void

+RRConstrainCursorHarder(DeviceIntPtr pDev, ScreenPtr pScreen, int mode, int *x, int *y)

+{

+    rrScrPriv (pScreen);

+    int i;

+

+    /* intentional dead space -> let it float */

+    if (pScrPriv->discontiguous)

+       return;

+

+    /* if we're moving inside a crtc, we're fine */

+    for (i = 0; i < pScrPriv->numCrtcs; i++) {

+       RRCrtcPtr crtc = pScrPriv->crtcs[i];

+

+       int left, right, top, bottom;

+

+       if (!crtc->mode)

+           continue;

+

+       crtc_bounds(crtc, &left, &right, &top, &bottom);

+

+       if ((*x >= left) && (*x <= right) && (*y >= top) && (*y <= bottom))

+           return;

+    }

+

+    /* if we're trying to escape, clamp to the CRTC we're coming from */

+    for (i = 0; i < pScrPriv->numCrtcs; i++) {

+       RRCrtcPtr crtc = pScrPriv->crtcs[i];

+       int nx, ny;

+       int left, right, top, bottom;

+

+       if (!crtc->mode)

+           continue;

+

+       crtc_bounds(crtc, &left, &right, &top, &bottom);

+       miPointerGetPosition(pDev, &nx, &ny);

+

+       if ((nx >= left) && (nx <= right) && (ny >= top) && (ny <= bottom)) {

+           if ((*x <= left) || (*x >= right)) {

+               int dx = *x - nx;

+

+               if (dx > 0)

+                   *x = right;

+               else if (dx < 0)

+                   *x = left;

+           }

+

+           if ((*y <= top) || (*y >= bottom)) {

+               int dy = *y - ny;

+

+               if (dy > 0)

+                   *y = bottom;

+               else if (dy < 0)

+                   *y = top;

+           }

+

+           return;

+       }

+    }

+}