Merge branch 'nx-X11'

1 files changed, 535 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/randr/rroutput.c b/nx-X11/programs/Xserver/randr/rroutput.c
new file mode 100644
index 000000000..1ecde31a2
--- /dev/null
+++ b/nx-X11/programs/Xserver/randr/rroutput.c
@@ -0,0 +1,535 @@
+/*
+ * 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 "registry.h"
+
+RESTYPE	RROutputType;
+
+/*
+ * Notify the output of some change
+ */
+void
+RROutputChanged (RROutputPtr output, Bool configChanged)
+{
+    ScreenPtr	pScreen = output->pScreen;
+    
+    output->changed = TRUE;
+    if (pScreen)
+    {
+	rrScrPriv (pScreen);
+	pScrPriv->changed = TRUE;
+	if (configChanged)
+	    pScrPriv->configChanged = TRUE;
+    }
+}
+
+/*
+ * Create an output
+ */
+
+RROutputPtr
+RROutputCreate (ScreenPtr   pScreen,
+		const char  *name,
+		int	    nameLength,
+		void	    *devPrivate)
+{
+    RROutputPtr	    output;
+    RROutputPtr	    *outputs;
+    rrScrPrivPtr    pScrPriv;
+
+    if (!RRInit())
+	return NULL;
+    
+    pScrPriv = rrGetScrPriv(pScreen);
+
+    if (pScrPriv->numOutputs)
+	outputs = xrealloc (pScrPriv->outputs, 
+			    (pScrPriv->numOutputs + 1) * sizeof (RROutputPtr));
+    else
+	outputs = xalloc (sizeof (RROutputPtr));
+    if (!outputs)
+	return FALSE;
+
+    pScrPriv->outputs = outputs;
+    
+    output = xalloc (sizeof (RROutputRec) + nameLength + 1);
+    if (!output)
+	return NULL;
+    output->id = FakeClientID (0);
+    output->pScreen = pScreen;
+    output->name = (char *) (output + 1);
+    output->nameLength = nameLength;
+    memcpy (output->name, name, nameLength);
+    output->name[nameLength] = '\0';
+    output->connection = RR_UnknownConnection;
+    output->subpixelOrder = SubPixelUnknown;
+    output->mmWidth = 0;
+    output->mmHeight = 0;
+    output->crtc = NULL;
+    output->numCrtcs = 0;
+    output->crtcs = NULL;
+    output->numClones = 0;
+    output->clones = NULL;
+    output->numModes = 0;
+    output->numPreferred = 0;
+    output->modes = NULL;
+    output->numUserModes = 0;
+    output->userModes = NULL;
+    output->properties = NULL;
+    output->pendingProperties = FALSE;
+    output->changed = FALSE;
+    output->devPrivate = devPrivate;
+    
+    if (!AddResource (output->id, RROutputType, (pointer) output))
+	return NULL;
+
+    pScrPriv->outputs[pScrPriv->numOutputs++] = output;
+    return output;
+}
+
+/*
+ * Notify extension that output parameters have been changed
+ */
+Bool
+RROutputSetClones (RROutputPtr  output,
+		   RROutputPtr  *clones,
+		   int		numClones)
+{
+    RROutputPtr	*newClones;
+    int		i;
+
+    if (numClones == output->numClones)
+    {
+	for (i = 0; i < numClones; i++)
+	    if (output->clones[i] != clones[i])
+		break;
+	if (i == numClones)
+	    return TRUE;
+    }
+    if (numClones)
+    {
+	newClones = xalloc (numClones * sizeof (RROutputPtr));
+	if (!newClones)
+	    return FALSE;
+    }
+    else
+	newClones = NULL;
+    if (output->clones)
+	xfree (output->clones);
+    memcpy (newClones, clones, numClones * sizeof (RROutputPtr));
+    output->clones = newClones;
+    output->numClones = numClones;
+    RROutputChanged (output, TRUE);
+    return TRUE;
+}
+
+Bool
+RROutputSetModes (RROutputPtr	output,
+		  RRModePtr	*modes,
+		  int		numModes,
+		  int		numPreferred)
+{
+    RRModePtr	*newModes;
+    int		i;
+
+    if (numModes == output->numModes && numPreferred == output->numPreferred)
+    {
+	for (i = 0; i < numModes; i++)
+	    if (output->modes[i] != modes[i])
+		break;
+	if (i == numModes)
+	{
+	    for (i = 0; i < numModes; i++)
+		RRModeDestroy (modes[i]);
+	    return TRUE;
+	}
+    }
+
+    if (numModes)
+    {
+	newModes = xalloc (numModes * sizeof (RRModePtr));
+	if (!newModes)
+	    return FALSE;
+    }
+    else
+	newModes = NULL;
+    if (output->modes)
+    {
+	for (i = 0; i < output->numModes; i++)
+	    RRModeDestroy (output->modes[i]);
+	xfree (output->modes);
+    }
+    memcpy (newModes, modes, numModes * sizeof (RRModePtr));
+    output->modes = newModes;
+    output->numModes = numModes;
+    output->numPreferred = numPreferred;
+    RROutputChanged (output, TRUE);
+    return TRUE;
+}
+
+int
+RROutputAddUserMode (RROutputPtr    output,
+		     RRModePtr	    mode)
+{
+    int		m;
+    ScreenPtr	pScreen = output->pScreen;
+    rrScrPriv(pScreen);
+    RRModePtr	*newModes;
+
+    /* Check to see if this mode is already listed for this output */
+    for (m = 0; m < output->numModes + output->numUserModes; m++)
+    {
+	RRModePtr   e = (m < output->numModes ?
+			 output->modes[m] :
+			 output->userModes[m - output->numModes]);
+	if (mode == e)
+	    return Success;
+    }
+
+    /* Check with the DDX to see if this mode is OK */
+    if (pScrPriv->rrOutputValidateMode)
+	if (!pScrPriv->rrOutputValidateMode (pScreen, output, mode))
+	    return BadMatch;
+
+    if (output->userModes)
+	newModes = xrealloc (output->userModes,
+			     (output->numUserModes + 1) * sizeof (RRModePtr));
+    else
+	newModes = xalloc (sizeof (RRModePtr));
+    if (!newModes)
+	return BadAlloc;
+
+    output->userModes = newModes;
+    output->userModes[output->numUserModes++] = mode;
+    ++mode->refcnt;
+    RROutputChanged (output, TRUE);
+    RRTellChanged (pScreen);
+    return Success;
+}
+
+int
+RROutputDeleteUserMode (RROutputPtr output,
+			RRModePtr   mode)
+{
+    int		m;
+    
+    /* Find this mode in the user mode list */
+    for (m = 0; m < output->numUserModes; m++)
+    {
+	RRModePtr   e = output->userModes[m];
+
+	if (mode == e)
+	    break;
+    }
+    /* Not there, access error */
+    if (m == output->numUserModes)
+	return BadAccess;
+
+    /* make sure the mode isn't active for this output */
+    if (output->crtc && output->crtc->mode == mode)
+	return BadMatch;
+
+    memmove (output->userModes + m, output->userModes + m + 1,
+	     (output->numUserModes - m - 1) * sizeof (RRModePtr));
+    output->numUserModes--;
+    RRModeDestroy (mode);
+    return Success;
+}
+
+Bool
+RROutputSetCrtcs (RROutputPtr	output,
+		  RRCrtcPtr	*crtcs,
+		  int		numCrtcs)
+{
+    RRCrtcPtr	*newCrtcs;
+    int		i;
+
+    if (numCrtcs == output->numCrtcs)
+    {
+	for (i = 0; i < numCrtcs; i++)
+	    if (output->crtcs[i] != crtcs[i])
+		break;
+	if (i == numCrtcs)
+	    return TRUE;
+    }
+    if (numCrtcs)
+    {
+	newCrtcs = xalloc (numCrtcs * sizeof (RRCrtcPtr));
+	if (!newCrtcs)
+	    return FALSE;
+    }
+    else
+	newCrtcs = NULL;
+    if (output->crtcs)
+	xfree (output->crtcs);
+    memcpy (newCrtcs, crtcs, numCrtcs * sizeof (RRCrtcPtr));
+    output->crtcs = newCrtcs;
+    output->numCrtcs = numCrtcs;
+    RROutputChanged (output, TRUE);
+    return TRUE;
+}
+
+Bool
+RROutputSetConnection (RROutputPtr  output,
+		       CARD8	    connection)
+{
+    if (output->connection == connection)
+	return TRUE;
+    output->connection = connection;
+    RROutputChanged (output, TRUE);
+    return TRUE;
+}
+
+Bool
+RROutputSetSubpixelOrder (RROutputPtr output,
+			  int	      subpixelOrder)
+{
+    if (output->subpixelOrder == subpixelOrder)
+	return TRUE;
+
+    output->subpixelOrder = subpixelOrder;
+    RROutputChanged (output, FALSE);
+    return TRUE;
+}
+
+Bool
+RROutputSetPhysicalSize (RROutputPtr	output,
+			 int		mmWidth,
+			 int		mmHeight)
+{
+    if (output->mmWidth == mmWidth && output->mmHeight == mmHeight)
+	return TRUE;
+    output->mmWidth = mmWidth;
+    output->mmHeight = mmHeight;
+    RROutputChanged (output, FALSE);
+    return TRUE;
+}
+
+
+void
+RRDeliverOutputEvent(ClientPtr client, WindowPtr pWin, RROutputPtr output)
+{
+    ScreenPtr pScreen = pWin->drawable.pScreen;
+    rrScrPriv (pScreen);
+    xRROutputChangeNotifyEvent	oe;
+    RRCrtcPtr	crtc = output->crtc;
+    RRModePtr	mode = crtc ? crtc->mode : 0;
+    
+    oe.type = RRNotify + RREventBase;
+    oe.subCode = RRNotify_OutputChange;
+    oe.sequenceNumber = client->sequence;
+    oe.timestamp = pScrPriv->lastSetTime.milliseconds;
+    oe.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+    oe.window = pWin->drawable.id;
+    oe.output = output->id;
+    if (crtc)
+    {
+	oe.crtc = crtc->id;
+	oe.mode = mode ? mode->mode.id : None;
+	oe.rotation = crtc->rotation;
+    }
+    else
+    {
+	oe.crtc = None;
+	oe.mode = None;
+	oe.rotation = RR_Rotate_0;
+    }
+    oe.connection = output->connection;
+    oe.subpixelOrder = output->subpixelOrder;
+    WriteEventsToClient (client, 1, (xEvent *) &oe);
+}
+
+/*
+ * Destroy a Output at shutdown
+ */
+void
+RROutputDestroy (RROutputPtr output)
+{
+    FreeResource (output->id, 0);
+}
+
+static int
+RROutputDestroyResource (pointer value, XID pid)
+{
+    RROutputPtr	output = (RROutputPtr) value;
+    ScreenPtr	pScreen = output->pScreen;
+    int		m;
+
+    if (pScreen)
+    {
+	rrScrPriv(pScreen);
+	int		i;
+    
+	for (i = 0; i < pScrPriv->numOutputs; i++)
+	{
+	    if (pScrPriv->outputs[i] == output)
+	    {
+		memmove (pScrPriv->outputs + i, pScrPriv->outputs + i + 1,
+			 (pScrPriv->numOutputs - (i + 1)) * sizeof (RROutputPtr));
+		--pScrPriv->numOutputs;
+		break;
+	    }
+	}
+    }
+    if (output->modes)
+    {
+	for (m = 0; m < output->numModes; m++)
+	    RRModeDestroy (output->modes[m]);
+	xfree (output->modes);
+    }
+    
+    for (m = 0; m < output->numUserModes; m++)
+	RRModeDestroy (output->userModes[m]);
+    if (output->userModes)
+	xfree (output->userModes);
+
+    if (output->crtcs)
+	xfree (output->crtcs);
+    if (output->clones)
+	xfree (output->clones);
+    RRDeleteAllOutputProperties (output);
+    xfree (output);
+    return 1;
+}
+
+/*
+ * Initialize output type
+ */
+Bool
+RROutputInit (void)
+{
+    RROutputType = CreateNewResourceType (RROutputDestroyResource);
+    if (!RROutputType)
+	return FALSE;
+    RegisterResourceName (RROutputType, "OUTPUT");
+    return TRUE;
+}
+
+#define OutputInfoExtra	(SIZEOF(xRRGetOutputInfoReply) - 32)
+				
+int
+ProcRRGetOutputInfo (ClientPtr client)
+{
+    REQUEST(xRRGetOutputInfoReq);
+    xRRGetOutputInfoReply	rep;
+    RROutputPtr			output;
+    CARD8			*extra;
+    unsigned long		extraLen;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    RRCrtc			*crtcs;
+    RRMode			*modes;
+    RROutput			*clones;
+    char			*name;
+    int				i, n;
+    
+    REQUEST_SIZE_MATCH(xRRGetOutputInfoReq);
+    output = LookupOutput(client, stuff->output, DixReadAccess);
+
+    if (!output)
+    {
+	client->errorValue = stuff->output;
+	return RRErrorBase + BadRROutput;
+    }
+
+    pScreen = output->pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+
+    rep.type = X_Reply;
+    rep.sequenceNumber = client->sequence;
+    rep.length = OutputInfoExtra >> 2;
+    rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+    rep.crtc = output->crtc ? output->crtc->id : None;
+    rep.mmWidth = output->mmWidth;
+    rep.mmHeight = output->mmHeight;
+    rep.connection = output->connection;
+    rep.subpixelOrder = output->subpixelOrder;
+    rep.nCrtcs = output->numCrtcs;
+    rep.nModes = output->numModes + output->numUserModes;
+    rep.nPreferred = output->numPreferred;
+    rep.nClones = output->numClones;
+    rep.nameLength = output->nameLength;
+    
+    extraLen = ((output->numCrtcs + 
+		 output->numModes + output->numUserModes +
+		 output->numClones +
+		 ((rep.nameLength + 3) >> 2)) << 2);
+
+    if (extraLen)
+    {
+	rep.length += extraLen >> 2;
+	extra = xalloc (extraLen);
+	if (!extra)
+	    return BadAlloc;
+    }
+    else
+	extra = NULL;
+
+    crtcs = (RRCrtc *) extra;
+    modes = (RRMode *) (crtcs + output->numCrtcs);
+    clones = (RROutput *) (modes + output->numModes + output->numUserModes);
+    name = (char *) (clones + output->numClones);
+    
+    for (i = 0; i < output->numCrtcs; i++)
+    {
+	crtcs[i] = output->crtcs[i]->id;
+	if (client->swapped)
+	    swapl (&crtcs[i], n);
+    }
+    for (i = 0; i < output->numModes + output->numUserModes; i++)
+    {
+	if (i < output->numModes)
+	    modes[i] = output->modes[i]->mode.id;
+	else
+	    modes[i] = output->userModes[i - output->numModes]->mode.id;
+	if (client->swapped)
+	    swapl (&modes[i], n);
+    }
+    for (i = 0; i < output->numClones; i++)
+    {
+	clones[i] = output->clones[i]->id;
+	if (client->swapped)
+	    swapl (&clones[i], n);
+    }
+    memcpy (name, output->name, output->nameLength);
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swapl(&rep.crtc, n);
+	swapl(&rep.mmWidth, n);
+	swapl(&rep.mmHeight, n);
+	swaps(&rep.nCrtcs, n);
+	swaps(&rep.nModes, n);
+	swaps(&rep.nClones, n);
+	swaps(&rep.nameLength, n);
+    }
+    WriteToClient(client, sizeof(xRRGetOutputInfoReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    
+    return client->noClientException;
+}