3 files changed, 18 insertions, 2 deletions
diff --git a/nx-X11/programs/Xserver/include/globals.h b/nx-X11/programs/Xserver/include/globals.h
index f37fb68ba..853b63e86 100644
--- a/nx-X11/programs/Xserver/include/globals.h
+++ b/nx-X11/programs/Xserver/include/globals.h
@@ -87,6 +87,7 @@ extern Bool noMITShmExtension;
 
 #ifdef RANDR
 extern Bool noRRExtension;
+extern Bool noRRXineramaExtension;
 #endif
 
 #ifdef RENDER
diff --git a/nx-X11/programs/Xserver/os/utils.c b/nx-X11/programs/Xserver/os/utils.c
index 13889ed9a..90cf55d1a 100644
--- a/nx-X11/programs/Xserver/os/utils.c
+++ b/nx-X11/programs/Xserver/os/utils.c
@@ -179,6 +179,7 @@ Bool noMITShmExtension = FALSE;
 #endif
 #ifdef RANDR
 Bool noRRExtension = FALSE;
+Bool noRRXineramaExtension = FALSE;
 #endif
 #ifdef RENDER
 Bool noRenderExtension = FALSE;
@@ -664,10 +665,14 @@ void UseMsg(void)
     ErrorF("-x string              loads named extension at init time \n");
     ErrorF("-maxbigreqsize         set maximal bigrequest size \n");
 #ifdef PANORAMIX
-    ErrorF("+xinerama              Enable XINERAMA extension\n");
-    ErrorF("-xinerama              Disable XINERAMA extension\n");
+    ErrorF("+xinerama              Enable XINERAMA (PanoramiX) extension\n");
+    ErrorF("-xinerama              Disable XINERAMA (PanoramiX) extension (default)\n");
     ErrorF("-disablexineramaextension Disable XINERAMA extension\n");
 #endif
+#ifdef RANDR
+    ErrorF("+rrxinerama            Enable XINERAMA (via RandR) extension (default)\n");
+    ErrorF("-rrxinerama            Disable XINERAMA (via RandR) extension\n");
+#endif
 #ifdef SMART_SCHEDULE
     ErrorF("-dumbSched             Disable smart scheduling, enable old behavior\n");
     ErrorF("-schedInterval int     Set scheduler interval in msec\n");
@@ -1037,6 +1042,14 @@ ProcessCommandLine(int argc, char *argv[])
 	    PanoramiXExtensionDisabledHack = TRUE;
 	}
 #endif
+#ifdef RANDR
+	else if ( strcmp( argv[i], "+rrxinerama") == 0){
+	    noRRXineramaExtension = FALSE;
+	}
+	else if ( strcmp( argv[i], "-rrxinerama") == 0){
+	    noRRXineramaExtension = TRUE;
+	}
+#endif
 	else if ( strcmp( argv[i], "-x") == 0)
 	{
 	    if(++i >= argc)
diff --git a/nx-X11/programs/Xserver/randr/rrxinerama.c b/nx-X11/programs/Xserver/randr/rrxinerama.c
index 2bc17cf21..9ff1e051b 100644
--- a/nx-X11/programs/Xserver/randr/rrxinerama.c
+++ b/nx-X11/programs/Xserver/randr/rrxinerama.c
@@ -107,6 +107,8 @@ static int ProcRRXineramaIsActive(ClientPtr client);
 static int ProcRRXineramaQueryScreens(ClientPtr client);
 static int SProcRRXineramaDispatch(ClientPtr client);
 
+extern Bool noRRXineramaExtension;
+
 /* Proc */
 
 int