RandR working with old clients and old API.

randr/randr.c

@@ -477,6 +477,7 @@ RRScanOldConfig (ScreenPtr pScreen, Rotation rotations)
 	if (!output)
 	    return;
 	RROutputSetCrtcs (output, &crtc, 1);
+	RROutputSetCrtc (output, crtc);
 	RROutputSetConnection (output, RR_Connected);
     }
 
@@ -552,7 +553,7 @@ RRScanOldConfig (ScreenPtr pScreen, Rotation rotations)
 
     /* notice current mode */
     if (newMode)
-	RRCrtcSet (output->crtc, newMode, 0, 0, pScrPriv->rotation,
+	RRCrtcNotify (output->crtc, newMode, 0, 0, pScrPriv->rotation,
 		      1, &output);
 }
 #endif

randr/randrstr.h

@@ -482,6 +482,9 @@ RROutputSetCrtcs (RROutputPtr	output,
 		  RRCrtcPtr	*crtcs,
 		  int		numCrtcs);
 
+void
+RROutputSetCrtc (RROutputPtr output, RRCrtcPtr crtc);
+    
 Bool
 RROutputSetConnection (RROutputPtr  output,
 		       CARD8	    connection);

randr/rrcrtc.c

@@ -59,7 +59,13 @@ RRCrtcCreate (ScreenPtr	pScreen,
     crtc->numOutputs = 0;
     crtc->changed = TRUE;
     crtc->devPrivate = devPrivate;
+
+    if (!AddResource (crtc->id, RRCrtcType, (pointer) crtc))
+	return NULL;
+
+    pScrPriv->crtcs = crtcs;
     pScrPriv->crtcs[pScrPriv->numCrtcs++] = crtc;
+    pScrPriv->changed = TRUE;
     return crtc;
 }
 
@@ -165,6 +171,16 @@ RRCrtcSet (RRCrtcPtr    crtc,
     ScreenPtr	pScreen = crtc->pScreen;
     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)))
+    {
+	return TRUE;
+    }
 #if RANDR_12_INTERFACE
     if (pScrPriv->rrCrtcSet)
     {

randr/rrdispatch.c

@@ -824,7 +824,7 @@ ProcRRSetCrtcConfig (ClientPtr client)
     if (!crtc)
     {
 	client->errorValue = stuff->crtc;
-	return RRErrorBase + BadCrtc;
+	return RRErrorBase + BadRRCrtc;
     }
     if (stuff->mode == None)
     {
@@ -838,7 +838,7 @@ ProcRRSetCrtcConfig (ClientPtr client)
 	if (!mode)
 	{
 	    client->errorValue = stuff->mode;
-	    return RRErrorBase + BadMode;
+	    return RRErrorBase + BadRRMode;
 	}
 	if (numOutputs == 0)
 	    return BadMatch;
@@ -854,7 +854,7 @@ ProcRRSetCrtcConfig (ClientPtr client)
 	if (!outputs[i])
 	{
 	    client->errorValue = outputIds[i];
-	    return RRErrorBase + BadOutput;
+	    return RRErrorBase + BadRROutput;
 	}
 	/* validate crtc for this output */
 	for (j = 0; j < outputs[i]->numCrtcs; j++)

randr/rrmode.c

@@ -32,6 +32,7 @@ RRModeGet (ScreenPtr	pScreen,
     rrScrPriv (pScreen);
     int	i;
     RRModePtr	mode;
+    RRModePtr	*modes;
 
     for (i = 0; i < pScrPriv->numModes; i++)
     {
@@ -43,16 +44,34 @@ RRModeGet (ScreenPtr	pScreen,
 	    return mode;
 	}
     }
+
     mode = xalloc (sizeof (RRModeRec) + modeInfo->nameLength + 1);
+    if (!mode)
+	return NULL;
     mode->refcnt = 1;
     mode->mode = *modeInfo;
     mode->name = (char *) (mode + 1);
     memcpy (mode->name, name, modeInfo->nameLength);
     mode->name[modeInfo->nameLength] = '\0';
+
+    if (pScrPriv->numModes)
+	modes = xrealloc (pScrPriv->modes,
+			  (pScrPriv->numModes + 1) * sizeof (RRModePtr));
+    else
+	modes = xalloc (sizeof (RRModePtr));
+
+    if (!modes)
+    {
+	xfree (mode);
+	return NULL;
+    }
+
     mode->id = FakeClientID(0);
     if (!AddResource (mode->id, RRModeType, (pointer) mode))
 	return NULL;
     ++mode->refcnt;
+    pScrPriv->modes = modes;
+    pScrPriv->modes[pScrPriv->numModes++] = mode;
     pScrPriv->changed = TRUE;
     return mode;
 }

randr/rroutput.c

@@ -56,6 +56,7 @@ RROutputCreate (ScreenPtr   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->crtc = NULL;
@@ -67,7 +68,13 @@ RROutputCreate (ScreenPtr   pScreen,
     output->modes = NULL;
     output->changed = TRUE;
     output->devPrivate = devPrivate;
+    
+    if (!AddResource (output->id, RROutputType, (pointer) output))
+	return NULL;
+
+    pScrPriv->outputs = outputs;
     pScrPriv->outputs[pScrPriv->numOutputs++] = output;
+    pScrPriv->changed = TRUE;
     return output;
 }
 
@@ -89,6 +96,7 @@ RROutputSetClones (RROutputPtr  output,
     memcpy (newClones, clones, numClones * sizeof (RROutputPtr));
     output->clones = newClones;
     output->numClones = numClones;
+    output->changed = TRUE;
     return TRUE;
 }
 
@@ -107,6 +115,7 @@ RROutputSetModes (RROutputPtr	output,
     memcpy (newModes, modes, numModes * sizeof (RRModePtr));
     output->modes = newModes;
     output->numModes = numModes;
+    output->changed = TRUE;
     return TRUE;
 }
 
@@ -125,14 +134,23 @@ RROutputSetCrtcs (RROutputPtr	output,
     memcpy (newCrtcs, crtcs, numCrtcs * sizeof (RRCrtcPtr));
     output->crtcs = newCrtcs;
     output->numCrtcs = numCrtcs;
+    output->changed = TRUE;
     return TRUE;
 }
 
+void
+RROutputSetCrtc (RROutputPtr output, RRCrtcPtr crtc)
+{
+    output->crtc = crtc;
+    output->changed = TRUE;
+}
+
 Bool
 RROutputSetConnection (RROutputPtr  output,
 		       CARD8	    connection)
 {
     output->connection = connection;
+    output->changed = TRUE;
     return TRUE;
 }