Imported nx-X11-3.5.0-2.tar.gznx-X11/3.5.0-2nx-X11

Summary: Imported nx-X11-3.5.0-2.tar.gz
Keywords:

Imported nx-X11-3.5.0-2.tar.gz
into Git repository

1 files changed, 960 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/randr/rrcrtc.c.X.original b/nx-X11/programs/Xserver/randr/rrcrtc.c.X.original
new file mode 100644
index 000000000..ec65a040e
--- /dev/null
+++ b/nx-X11/programs/Xserver/randr/rrcrtc.c.X.original
@@ -0,0 +1,960 @@
+/*
+ * 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"
+#include "registry.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 = xrealloc (pScrPriv->crtcs, 
+			  (pScrPriv->numCrtcs + 1) * sizeof (RRCrtcPtr));
+    else
+	crtcs = xalloc (sizeof (RRCrtcPtr));
+    if (!crtcs)
+	return FALSE;
+    pScrPriv->crtcs = crtcs;
+    
+    crtc = xcalloc (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;
+
+    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;
+}
+
+/*
+ * 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,
+	      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 = xrealloc (crtc->outputs,
+				    numOutputs * sizeof (RROutputPtr));
+	    else
+		newoutputs = xalloc (numOutputs * sizeof (RROutputPtr));
+	    if (!newoutputs)
+		return FALSE;
+	}
+	else
+	{
+	    if (crtc->outputs)
+		xfree (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);
+    }
+    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.sequenceNumber = client->sequence;
+    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))
+    {
+	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, 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, 1, outputs);
+			RRScreenSizeNotify (pScreen);
+		    }
+		}
+	    }
+#endif
+	}
+	if (ret)
+	{
+	    int	o;
+	    RRTellChanged (pScreen);
+
+	    for (o = 0; o < numOutputs; o++)
+		RRPostPendingProperties (outputs[o]);
+	}
+    }
+    return ret;
+}
+
+/*
+ * 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;
+	    }
+	}
+    }
+    if (crtc->gammaRed)
+	xfree (crtc->gammaRed);
+    if (crtc->mode)
+	RRModeDestroy (crtc->mode);
+    xfree (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;
+}
+
+/*
+ * 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 */
+}
+
+/**
+ * Returns the width/height that the crtc scans out from the framebuffer
+ */
+void
+RRCrtcGetScanoutSize(RRCrtcPtr crtc, int *width, int *height)
+{
+    if (crtc->mode == NULL) {
+	*width = 0;
+	*height = 0;
+	return;
+    }
+
+    switch (crtc->rotation & 0xf) {
+    case RR_Rotate_0:
+    case RR_Rotate_180:
+	*width = crtc->mode->mode.width;
+	*height = crtc->mode->mode.height;
+	break;
+    case RR_Rotate_90:
+    case RR_Rotate_270:
+	*width = crtc->mode->mode.height;
+	*height = crtc->mode->mode.width;
+	break;
+    }
+}
+
+/*
+ * 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 = xalloc (size * 3 * sizeof (CARD16));
+	if (!gamma)
+	    return FALSE;
+    }
+    else
+	gamma = NULL;
+    if (crtc->gammaRed)
+	xfree (crtc->gammaRed);
+    crtc->gammaRed = gamma;
+    crtc->gammaGreen = gamma + size;
+    crtc->gammaBlue = gamma + size*2;
+    crtc->gammaSize = size;
+    return TRUE;
+}
+
+/*
+ * Initialize crtc type
+ */
+Bool
+RRCrtcInit (void)
+{
+    RRCrtcType = CreateNewResourceType (RRCrtcDestroyResource);
+    if (!RRCrtcType)
+	return FALSE;
+    RegisterResourceName (RRCrtcType, "CRTC");
+    return TRUE;
+}
+
+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;
+    
+    REQUEST_SIZE_MATCH(xRRGetCrtcInfoReq);
+    crtc = LookupCrtc(client, stuff->crtc, DixReadAccess);
+
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+
+    /* 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;
+    rep.x = crtc->x;
+    rep.y = crtc->y;
+    RRCrtcGetScanoutSize (crtc, &width, &height);
+    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 = xalloc (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);
+	xfree (extra);
+    }
+    
+    return client->noClientException;
+}
+
+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			    i, j;
+    
+    REQUEST_AT_LEAST_SIZE(xRRSetCrtcConfigReq);
+    numOutputs = (stuff->length - (SIZEOF (xRRSetCrtcConfigReq) >> 2));
+    
+    crtc = LookupIDByType (stuff->crtc, RRCrtcType);
+    if (!crtc)
+    {
+	client->errorValue = stuff->crtc;
+	return RRErrorBase + BadRRCrtc;
+    }
+    if (stuff->mode == None)
+    {
+	mode = NULL;
+	if (numOutputs > 0)
+	    return BadMatch;
+    }
+    else
+    {
+	mode = LookupIDByType (stuff->mode, RRModeType);
+	if (!mode)
+	{
+	    client->errorValue = stuff->mode;
+	    return RRErrorBase + BadRRMode;
+	}
+	if (numOutputs == 0)
+	    return BadMatch;
+    }
+    if (numOutputs)
+    {
+	outputs = xalloc (numOutputs * sizeof (RROutputPtr));
+	if (!outputs)
+	    return BadAlloc;
+    }
+    else
+	outputs = NULL;
+    
+    outputIds = (RROutput *) (stuff + 1);
+    for (i = 0; i < numOutputs; i++)
+    {
+	outputs[i] = (RROutputPtr) LookupIDByType (outputIds[i], RROutputType);
+	if (!outputs[i])
+	{
+	    client->errorValue = outputIds[i];
+	    if (outputs)
+		xfree (outputs);
+	    return RRErrorBase + BadRROutput;
+	}
+	/* 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)
+	{
+	    if (outputs)
+		xfree (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)
+	{
+	    if (outputs)
+		xfree (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)
+	    {
+		if (outputs)
+		    xfree (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;
+    }
+    
+#if 0
+    /*
+     * if the client's config timestamp is not the same as the last config
+     * timestamp, then the config information isn't up-to-date and
+     * can't even be validated
+     */
+    if (CompareTimeStamps (configTime, pScrPriv->lastConfigTime) != 0)
+    {
+	rep.status = RRSetConfigInvalidConfigTime;
+	goto sendReply;
+    }
+#endif
+    
+    /*
+     * 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;
+	if (outputs)
+	    xfree (outputs);
+	return BadValue;
+    }
+
+    if (mode)
+    {
+	if ((~crtc->rotations) & rotation)
+	{
+	    /*
+	     * requested rotation or reflection not supported by screen
+	     */
+	    client->errorValue = stuff->rotation;
+	    if (outputs)
+		xfree (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 (pScrPriv->rrScreenSetSize)
+	{
+	    int source_width = mode->mode.width;
+	    int	source_height = mode->mode.height;
+
+	    if ((rotation & 0xf) == RR_Rotate_90 || (rotation & 0xf) == RR_Rotate_270)
+	    {
+		source_width = mode->mode.height;
+		source_height = mode->mode.width;
+	    }
+	    if (stuff->x + source_width > pScreen->width)
+	    {
+		client->errorValue = stuff->x;
+		if (outputs)
+		    xfree (outputs);
+		return BadValue;
+	    }
+	    
+	    if (stuff->y + source_height > pScreen->height)
+	    {
+		client->errorValue = stuff->y;
+		if (outputs)
+		    xfree (outputs);
+		return BadValue;
+	    }
+	}
+#endif
+    }
+    
+    /*
+     * Make sure the requested set-time is not older than
+     * the last set-time
+     */
+    if (CompareTimeStamps (time, pScrPriv->lastSetTime) < 0)
+    {
+	rep.status = RRSetConfigInvalidTime;
+	goto sendReply;
+    }
+
+    if (!RRCrtcSet (crtc, mode, stuff->x, stuff->y,
+		   rotation, numOutputs, outputs))
+    {
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+    rep.status = RRSetConfigSuccess;
+    
+sendReply:
+    if (outputs)
+	xfree (outputs);
+    
+    rep.type = X_Reply;
+    /* rep.status has already been filled in */
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.newTimestamp = pScrPriv->lastConfigTime.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 client->noClientException;
+}
+
+int
+ProcRRGetCrtcGammaSize (ClientPtr client)
+{
+    REQUEST(xRRGetCrtcGammaSizeReq);
+    xRRGetCrtcGammaSizeReply	reply;
+    RRCrtcPtr			crtc;
+    int				n;
+
+    REQUEST_SIZE_MATCH(xRRGetCrtcGammaSizeReq);
+    crtc = LookupCrtc (client, stuff->crtc, DixReadAccess);
+    if (!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 client->noClientException;
+}
+
+int
+ProcRRGetCrtcGamma (ClientPtr client)
+{
+    REQUEST(xRRGetCrtcGammaReq);
+    xRRGetCrtcGammaReply	reply;
+    RRCrtcPtr			crtc;
+    int				n;
+    unsigned long		len;
+    char			*extra;
+    
+    REQUEST_SIZE_MATCH(xRRGetCrtcGammaReq);
+    crtc = LookupCrtc (client, stuff->crtc, DixReadAccess);
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+    
+    len = crtc->gammaSize * 3 * 2;
+    
+    if (crtc->gammaSize) {
+	extra = xalloc(len);
+	if (!extra)
+	    return BadAlloc;
+    }
+
+    reply.type = X_Reply;
+    reply.sequenceNumber = client->sequence;
+    reply.length = (len + 3) >> 2;
+    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);
+	xfree(extra);
+    }
+    return client->noClientException;
+}
+
+int
+ProcRRSetCrtcGamma (ClientPtr client)
+{
+    REQUEST(xRRSetCrtcGammaReq);
+    RRCrtcPtr			crtc;
+    unsigned long		len;
+    CARD16			*red, *green, *blue;
+    
+    REQUEST_AT_LEAST_SIZE(xRRSetCrtcGammaReq);
+    crtc = LookupCrtc (client, stuff->crtc, DixWriteAccess);
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+    
+    len = client->req_len - (sizeof (xRRSetCrtcGammaReq) >> 2);
+    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;
+}
+