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NEWS

@@ -1,3 +1,37 @@
+3.18.4
+======
+* Fix mouse cursor disappearing in some multi-monitor setups [Rui; #763159]
+* Do not assert on non-fatal runtime errors [Florian; #765058]
+
+Contributors:
+  Rui Matos, Florian Müllner
+
+Translations:
+  Cédric Valmary [oc]
+
+3.18.3
+======
+* Fix initialization of bypass compositor hint [Rui; #758544]
+* Fix crash when initial cursor position is not on a monitor [Marek; #756698]
+* Fix crash when more CRTs are enabled than outputs connected [Rui; #751638]
+* Fix crash during XWayland initialization [Marek; #751845]
+* Ensure to send a ConfigureNotify to just mapped windows [Rui; #759492]
+
+Contributors:
+  Marek Chalupa, Rui Matos, Jasper St. Pierre
+
+3.18.2
+======
+* Misc. crash fixes [Jonas, Rui; #756675, #756660, #757148, #756796]
+* Fix modifiers-only input source switching on Ubuntu [Alberts; #756543]
+* Exit cleanly on initialization errors [Owen; #757311]
+
+Contributors:
+  Jonas Ådahl, Rui Matos, Alberts Muktupāvels, Florian Müllner, Owen W. Taylor
+
+Translations:
+  Daniel Șerbănescu [ro]
+
 3.18.1
 ======
 * Misc. crash fixes [Jonas, Rui, Carlos, Owen, Florian; #755096, #754979,

configure.ac

@@ -2,7 +2,7 @@ AC_PREREQ(2.62)
 
 m4_define([mutter_major_version], [3])
 m4_define([mutter_minor_version], [18])
-m4_define([mutter_micro_version], [1])
+m4_define([mutter_micro_version], [4])
 
 m4_define([mutter_version],
           [mutter_major_version.mutter_minor_version.mutter_micro_version])

src/backends/meta-backend.c

@@ -24,6 +24,8 @@
 
 #include "config.h"
 
+#include <stdlib.h>
+
 #include <meta/meta-backend.h>
 #include "meta-backend-private.h"
 #include "meta-input-settings-private.h"
@@ -626,7 +628,10 @@ meta_clutter_init (void)
   meta_create_backend ();
 
   if (clutter_init (NULL, NULL) != CLUTTER_INIT_SUCCESS)
-    g_error ("Unable to initialize Clutter.\n");
+    {
+      g_warning ("Unable to initialize Clutter.\n");
+      exit (1);
+    }
 
   /*
    * XXX: We cannot handle high dpi scaling yet, so fix the scale to 1

src/backends/meta-cursor-tracker.c

@@ -198,6 +198,7 @@ ensure_xfixes_cursor (MetaCursorTracker *tracker)
   guint8 *cursor_data;
   gboolean free_cursor_data;
   CoglContext *ctx;
+  CoglError *error = NULL;
 
   if (tracker->xfixes_cursor)
     return;
@@ -239,11 +240,17 @@ ensure_xfixes_cursor (MetaCursorTracker *tracker)
                                           CLUTTER_CAIRO_FORMAT_ARGB32,
                                           cursor_image->width * 4, /* stride */
                                           cursor_data,
-                                          NULL);
+                                          &error);
 
   if (free_cursor_data)
     g_free (cursor_data);
 
+  if (error != NULL)
+    {
+      meta_warning ("Failed to allocate cursor sprite texture: %s\n", error->message);
+      cogl_error_free (error);
+    }
+
   if (sprite != NULL)
     {
       MetaCursorSprite *cursor_sprite = meta_cursor_sprite_new ();

src/backends/meta-cursor.c

@@ -136,6 +136,7 @@ meta_cursor_sprite_load_from_xcursor_image (MetaCursorSprite *self,
   ClutterBackend *clutter_backend;
   CoglContext *cogl_context;
   CoglTexture *texture;
+  CoglError *error = NULL;
 
   g_assert (self->texture == NULL);
 
@@ -156,10 +157,19 @@ meta_cursor_sprite_load_from_xcursor_image (MetaCursorSprite *self,
                                            cogl_format,
                                            rowstride,
                                            (uint8_t *) xc_image->pixels,
-                                           NULL);
+                                           &error);
+
+  if (error)
+    {
+      meta_warning ("Failed to allocate cursor texture: %s\n", error->message);
+      cogl_error_free (error);
+    }
+
   meta_cursor_sprite_set_texture (self, texture,
                                   xc_image->xhot, xc_image->yhot);
-  cogl_object_unref (texture);
+
+  if (texture)
+    cogl_object_unref (texture);
 
   meta_cursor_renderer_realize_cursor_from_xcursor (renderer, self, xc_image);
 }

src/backends/meta-monitor-manager-private.h

@@ -414,6 +414,10 @@ gint               meta_monitor_manager_get_monitor_at_point (MetaMonitorManager
                                                               gfloat              x,
                                                               gfloat              y);
 
+void meta_monitor_manager_clear_output (MetaOutput *output);
+void meta_monitor_manager_clear_mode (MetaMonitorMode *mode);
+void meta_monitor_manager_clear_crtc (MetaCRTC *crtc);
+
 /* Returns true if transform causes width and height to be inverted
    This is true for the odd transforms in the enum */
 static inline gboolean

src/backends/meta-monitor-manager.c

@@ -178,7 +178,7 @@ make_logical_config (MetaMonitorManager *manager)
   unsigned int i, j;
 
   monitor_infos = g_array_sized_new (FALSE, TRUE, sizeof (MetaMonitorInfo),
-                                     manager->n_outputs);
+                                     manager->n_crtcs);
 
   /* Walk the list of MetaCRTCs, and build a MetaMonitorInfo
      for each of them, unless they reference a rectangle that
@@ -346,6 +346,23 @@ meta_monitor_manager_constructed (GObject *object)
   manager->in_init = FALSE;
 }
 
+void
+meta_monitor_manager_clear_output (MetaOutput *output)
+{
+  g_free (output->name);
+  g_free (output->vendor);
+  g_free (output->product);
+  g_free (output->serial);
+  g_free (output->modes);
+  g_free (output->possible_crtcs);
+  g_free (output->possible_clones);
+
+  if (output->driver_notify)
+    output->driver_notify (output);
+
+  memset (output, 0, sizeof (*output));
+}
+
 static void
 meta_monitor_manager_free_output_array (MetaOutput *old_outputs,
                                         int         n_old_outputs)
@@ -353,22 +370,22 @@ meta_monitor_manager_free_output_array (MetaOutput *old_outputs,
   int i;
 
   for (i = 0; i < n_old_outputs; i++)
-    {
-      g_free (old_outputs[i].name);
-      g_free (old_outputs[i].vendor);
-      g_free (old_outputs[i].product);
-      g_free (old_outputs[i].serial);
-      g_free (old_outputs[i].modes);
-      g_free (old_outputs[i].possible_crtcs);
-      g_free (old_outputs[i].possible_clones);
-
-      if (old_outputs[i].driver_notify)
-        old_outputs[i].driver_notify (&old_outputs[i]);
-    }
+    meta_monitor_manager_clear_output (&old_outputs[i]);
 
   g_free (old_outputs);
 }
 
+void
+meta_monitor_manager_clear_mode (MetaMonitorMode *mode)
+{
+  g_free (mode->name);
+
+  if (mode->driver_notify)
+    mode->driver_notify (mode);
+
+  memset (mode, 0, sizeof (*mode));
+}
+
 static void
 meta_monitor_manager_free_mode_array (MetaMonitorMode *old_modes,
                                       int              n_old_modes)
@@ -376,16 +393,20 @@ meta_monitor_manager_free_mode_array (MetaMonitorMode *old_modes,
   int i;
 
   for (i = 0; i < n_old_modes; i++)
-    {
-      g_free (old_modes[i].name);
-
-      if (old_modes[i].driver_notify)
-        old_modes[i].driver_notify (&old_modes[i]);
-    }
+    meta_monitor_manager_clear_mode (&old_modes[i]);
 
   g_free (old_modes);
 }
 
+void
+meta_monitor_manager_clear_crtc (MetaCRTC *crtc)
+{
+  if (crtc->driver_notify)
+    crtc->driver_notify (crtc);
+
+  memset (crtc, 0, sizeof (*crtc));
+}
+
 static void
 meta_monitor_manager_free_crtc_array (MetaCRTC *old_crtcs,
                                       int       n_old_crtcs)
@@ -393,10 +414,7 @@ meta_monitor_manager_free_crtc_array (MetaCRTC *old_crtcs,
   int i;
 
   for (i = 0; i < n_old_crtcs; i++)
-    {
-      if (old_crtcs[i].driver_notify)
-        old_crtcs[i].driver_notify (&old_crtcs[i]);
-    }
+    meta_monitor_manager_clear_crtc (&old_crtcs[i]);
 
   g_free (old_crtcs);
 }

src/backends/native/meta-backend-native.c

@@ -37,6 +37,8 @@
 #include "meta-cursor-renderer-native.h"
 #include "meta-launcher.h"
 
+#include <stdlib.h>
+
 struct _MetaBackendNativePrivate
 {
   MetaLauncher *launcher;
@@ -327,8 +329,15 @@ static void
 meta_backend_native_init (MetaBackendNative *native)
 {
   MetaBackendNativePrivate *priv = meta_backend_native_get_instance_private (native);
+  GError *error = NULL;
+
+  priv->launcher = meta_launcher_new (&error);
+  if (priv->launcher == NULL)
+    {
+      g_warning ("Can't initialize KMS backend: %s\n", error->message);
+      exit (1);
+    }
 
-  priv->launcher = meta_launcher_new ();
   priv->barrier_manager = meta_barrier_manager_native_new ();
 
   priv->up_client = up_client_new ();

src/backends/native/meta-launcher.c

@@ -54,30 +54,22 @@ struct _MetaLauncher
   gboolean session_active;
 };
 
-static void
-report_error_and_die (const char *prefix,
-                      GError *error)
-{
-  /* if a function returns due to g_return_val_if_fail,
-   * then the error may not be set */
-  if (error)
-    g_error ("%s: %s", prefix, error->message);
-  else
-    g_error ("%s", prefix);
-
-  /* the error is not freed, but it is ok as g_error aborts the process */
-}
-
 static Login1Session *
-get_session_proxy (GCancellable *cancellable)
+get_session_proxy (GCancellable *cancellable,
+                   GError      **error)
 {
   char *proxy_path;
   char *session_id;
   Login1Session *session_proxy;
-  GError *error = NULL;
 
   if (sd_pid_get_session (getpid (), &session_id) < 0)
-    return NULL;
+    {
+      g_set_error (error,
+                   G_IO_ERROR,
+                   G_IO_ERROR_NOT_FOUND,
+                   "Could not get session ID: %m");
+      return NULL;
+    }
 
   proxy_path = get_escaped_dbus_path ("/org/freedesktop/login1/session", session_id);
 
@@ -85,9 +77,9 @@ get_session_proxy (GCancellable *cancellable)
                                                          G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
                                                          "org.freedesktop.login1",
                                                          proxy_path,
-                                                         cancellable, &error);
+                                                         cancellable, error);
   if (!session_proxy)
-    report_error_and_die ("Failed getting session proxy", error);
+    g_prefix_error(error, "Could not get session proxy: ");
 
   free (proxy_path);
 
@@ -95,16 +87,16 @@ get_session_proxy (GCancellable *cancellable)
 }
 
 static Login1Seat *
-get_seat_proxy (GCancellable *cancellable)
+get_seat_proxy (GCancellable *cancellable,
+                GError      **error)
 {
-  GError *error = NULL;
   Login1Seat *seat = login1_seat_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
                                                          G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
                                                          "org.freedesktop.login1",
                                                          "/org/freedesktop/login1/seat/self",
-                                                         cancellable, &error);
+                                                         cancellable, error);
   if (!seat)
-    report_error_and_die ("Could not get seat proxy", error);
+    g_prefix_error(error, "Could not get seat proxy: ");
 
   return seat;
 }
@@ -357,69 +349,114 @@ out:
   return path;
 }
 
-static void
+static gboolean
 get_kms_fd (Login1Session *session_proxy,
-            const gchar *seat_id,
-            int *fd_out)
+            const gchar   *seat_id,
+            int           *fd_out,
+            GError       **error)
 {
   int major, minor;
   int fd;
-  gchar *path;
-  GError *error = NULL;
 
-  path = get_primary_gpu_path (seat_id);
+  g_autofree gchar *path = get_primary_gpu_path (seat_id);
   if (!path)
-    g_error ("could not find drm kms device");
+    {
+      g_set_error (error,
+                   G_IO_ERROR,
+                   G_IO_ERROR_NOT_FOUND,
+                   "could not find drm kms device");
+      return FALSE;
+    }
 
   if (!get_device_info_from_path (path, &major, &minor))
-    g_error ("Could not stat %s: %m", path);
+    {
+      g_set_error (error,
+                   G_IO_ERROR,
+                   G_IO_ERROR_NOT_FOUND,
+                   "Could not get device info for path %s: %m", path);
+      return FALSE;
+    }
 
-  g_free (path);
-
-  if (!take_device (session_proxy, major, minor, &fd, NULL, &error))
-    report_error_and_die ("Could not open DRM device", error);
+  if (!take_device (session_proxy, major, minor, &fd, NULL, error))
+    {
+      g_prefix_error (error, "Could not open DRM device: ");
+      return FALSE;
+    }
 
   *fd_out = fd;
+
+  return TRUE;
 }
 
 static gchar *
-get_seat_id (void)
+get_seat_id (GError **error)
 {
-  char *session_id, *seat_id = NULL;
+  char *session_id, *seat_id;
+  int r;
 
-  if (sd_pid_get_session (0, &session_id) < 0)
-    return NULL;
+  r = sd_pid_get_session (0, &session_id);
+  if (r < 0)
+    {
+      g_set_error (error,
+                   G_IO_ERROR,
+                   G_IO_ERROR_NOT_FOUND,
+                   "Could not get session for PID: %s", g_strerror (-r));
+      return NULL;
+    }
 
-  /* on error the seat_id will remain NULL */
-  sd_session_get_seat (session_id, &seat_id);
+  r = sd_session_get_seat (session_id, &seat_id);
   free (session_id);
 
+  if (r < 0)
+    {
+      g_set_error (error,
+                   G_IO_ERROR,
+                   G_IO_ERROR_NOT_FOUND,
+                   "Could not get seat for session: %s", g_strerror (-r));
+      return NULL;
+    }
+
   return seat_id;
 }
 
 MetaLauncher *
-meta_launcher_new (void)
+meta_launcher_new (GError **error)
 {
   MetaLauncher *self = NULL;
-  Login1Session *session_proxy;
-  char *seat_id;
-  GError *error = NULL;
+  Login1Session *session_proxy = NULL;
+  Login1Seat *seat_proxy = NULL;
+  char *seat_id = NULL;
+  gboolean have_control = FALSE;
   int kms_fd;
 
-  session_proxy = get_session_proxy (NULL);
-  if (!login1_session_call_take_control_sync (session_proxy, FALSE, NULL, &error))
-    report_error_and_die ("Could not take control", error);
+  session_proxy = get_session_proxy (NULL, error);
+  if (!session_proxy)
+    goto fail;
 
-  seat_id = get_seat_id ();
+  if (!login1_session_call_take_control_sync (session_proxy, FALSE, NULL, error))
+    {
+      g_prefix_error (error, "Could not take control: ");
+      goto fail;
+    }
+
+  have_control = TRUE;
+
+  seat_id = get_seat_id (error);
   if (!seat_id)
-    g_error ("Failed getting seat id");
+    goto fail;
+
+  seat_proxy = get_seat_proxy (NULL, error);
+  if (!seat_proxy)
+    goto fail;
+
+  if (!get_kms_fd (session_proxy, seat_id, &kms_fd, error))
+    goto fail;
 
-  get_kms_fd (session_proxy, seat_id, &kms_fd);
   free (seat_id);
 
   self = g_slice_new0 (MetaLauncher);
   self->session_proxy = session_proxy;
-  self->seat_proxy = get_seat_proxy (NULL);
+  self->seat_proxy = seat_proxy;
 
   self->session_active = TRUE;
 
@@ -429,8 +466,16 @@ meta_launcher_new (void)
                                       self);
 
   g_signal_connect (self->session_proxy, "notify::active", G_CALLBACK (on_active_changed), self);
-
   return self;
+
+ fail:
+  if (have_control)
+    login1_session_call_release_control_sync (session_proxy, NULL, NULL);
+  g_clear_object (&session_proxy);
+  g_clear_object (&seat_proxy);
+  free (seat_id);
+
+  return NULL;
 }
 
 void

src/backends/native/meta-launcher.h

@@ -24,7 +24,7 @@
 
 typedef struct _MetaLauncher MetaLauncher;
 
-MetaLauncher     *meta_launcher_new                     (void);
+MetaLauncher     *meta_launcher_new                     (GError       **error);
 void              meta_launcher_free                    (MetaLauncher  *self);
 
 gboolean          meta_launcher_activate_session        (MetaLauncher  *self,

src/backends/x11/meta-backend-x11.c

@@ -82,6 +82,7 @@ struct _MetaBackendX11Private
   gchar *keymap_layouts;
   gchar *keymap_variants;
   gchar *keymap_options;
+  int locked_group;
 };
 typedef struct _MetaBackendX11Private MetaBackendX11Private;
 
@@ -297,15 +298,23 @@ handle_host_xevent (MetaBackend *backend,
 
   if (event->type == priv->xkb_event_base)
     {
-      XkbAnyEvent *xkb_ev = (XkbAnyEvent *) event;
+      XkbEvent *xkb_ev = (XkbEvent *) event;
 
-      if (xkb_ev->device == META_VIRTUAL_CORE_KEYBOARD_ID)
+      if (xkb_ev->any.device == META_VIRTUAL_CORE_KEYBOARD_ID)
         {
-          switch (xkb_ev->xkb_type)
+          switch (xkb_ev->any.xkb_type)
             {
             case XkbNewKeyboardNotify:
             case XkbMapNotify:
               keymap_changed (backend);
+              break;
+            case XkbStateNotify:
+              if (xkb_ev->state.changed & XkbGroupLockMask)
+                {
+                  if (priv->locked_group != xkb_ev->state.locked_group)
+                    XkbLockGroup (priv->xdisplay, XkbUseCoreKbd, priv->locked_group);
+                }
+              break;
             default:
               break;
             }
@@ -776,6 +785,7 @@ meta_backend_x11_lock_layout_group (MetaBackend *backend,
   MetaBackendX11 *x11 = META_BACKEND_X11 (backend);
   MetaBackendX11Private *priv = meta_backend_x11_get_instance_private (x11);
 
+  priv->locked_group = idx;
   XkbLockGroup (priv->xdisplay, XkbUseCoreKbd, idx);
 }
 

src/backends/x11/meta-monitor-manager-xrandr.c

@@ -637,6 +637,70 @@ output_get_connector_type (MetaMonitorManagerXrandr *manager_xrandr,
   return META_CONNECTOR_TYPE_Unknown;
 }
 
+static void
+output_get_modes (MetaMonitorManager *manager,
+                  MetaOutput         *meta_output,
+                  XRROutputInfo      *output)
+{
+  guint j, k;
+  guint n_actual_modes;
+
+  meta_output->modes = g_new0 (MetaMonitorMode *, output->nmode);
+
+  n_actual_modes = 0;
+  for (j = 0; j < (guint)output->nmode; j++)
+    {
+      for (k = 0; k < manager->n_modes; k++)
+        {
+          if (output->modes[j] == (XID)manager->modes[k].mode_id)
+            {
+              meta_output->modes[n_actual_modes] = &manager->modes[k];
+              n_actual_modes += 1;
+              break;
+            }
+        }
+    }
+  meta_output->n_modes = n_actual_modes;
+  if (n_actual_modes > 0)
+    meta_output->preferred_mode = meta_output->modes[0];
+}
+
+static void
+output_get_crtcs (MetaMonitorManager *manager,
+                  MetaOutput         *meta_output,
+                  XRROutputInfo      *output)
+{
+  guint j, k;
+  guint n_actual_crtcs;
+
+  meta_output->possible_crtcs = g_new0 (MetaCRTC *, output->ncrtc);
+
+  n_actual_crtcs = 0;
+  for (j = 0; j < (unsigned)output->ncrtc; j++)
+    {
+      for (k = 0; k < manager->n_crtcs; k++)
+        {
+          if ((XID)manager->crtcs[k].crtc_id == output->crtcs[j])
+            {
+              meta_output->possible_crtcs[n_actual_crtcs] = &manager->crtcs[k];
+              n_actual_crtcs += 1;
+              break;
+            }
+        }
+    }
+  meta_output->n_possible_crtcs = n_actual_crtcs;
+
+  meta_output->crtc = NULL;
+  for (j = 0; j < manager->n_crtcs; j++)
+    {
+      if ((XID)manager->crtcs[j].crtc_id == output->crtc)
+        {
+          meta_output->crtc = &manager->crtcs[j];
+          break;
+        }
+    }
+}
+
 static char *
 get_xmode_name (XRRModeInfo *xmode)
 {
@@ -773,6 +837,8 @@ meta_monitor_manager_xrandr_read_current (MetaMonitorManager *manager)
       MetaOutput *meta_output;
 
       output = XRRGetOutputInfo (manager_xrandr->xdisplay, resources, resources->outputs[i]);
+      if (!output)
+        continue;
 
       meta_output = &manager->outputs[n_actual_outputs];
 
@@ -796,44 +862,8 @@ meta_monitor_manager_xrandr_read_current (MetaMonitorManager *manager)
           meta_output->connector_type = output_get_connector_type (manager_xrandr, meta_output);
 
 	  output_get_tile_info (manager_xrandr, meta_output);
-	  meta_output->n_modes = output->nmode;
-	  meta_output->modes = g_new0 (MetaMonitorMode *, meta_output->n_modes);
-	  for (j = 0; j < meta_output->n_modes; j++)
-	    {
-	      for (k = 0; k < manager->n_modes; k++)
-		{
-		  if (output->modes[j] == (XID)manager->modes[k].mode_id)
-		    {
-		      meta_output->modes[j] = &manager->modes[k];
-		      break;
-		    }
-		}
-	    }
-	  meta_output->preferred_mode = meta_output->modes[0];
-
-	  meta_output->n_possible_crtcs = output->ncrtc;
-	  meta_output->possible_crtcs = g_new0 (MetaCRTC *, meta_output->n_possible_crtcs);
-	  for (j = 0; j < (unsigned)output->ncrtc; j++)
-	    {
-	      for (k = 0; k < manager->n_crtcs; k++)
-		{
-		  if ((XID)manager->crtcs[k].crtc_id == output->crtcs[j])
-		    {
-		      meta_output->possible_crtcs[j] = &manager->crtcs[k];
-		      break;
-		    }
-		}
-	    }
-
-	  meta_output->crtc = NULL;
-	  for (j = 0; j < manager->n_crtcs; j++)
-	    {
-	      if ((XID)manager->crtcs[j].crtc_id == output->crtc)
-		{
-		  meta_output->crtc = &manager->crtcs[j];
-		  break;
-		}
-	    }
+	  output_get_modes (manager, meta_output, output);
+          output_get_crtcs (manager, meta_output, output);
 
 	  meta_output->n_possible_clones = output->nclone;
 	  meta_output->possible_clones = g_new0 (MetaOutput *, meta_output->n_possible_clones);
@@ -857,7 +887,10 @@ meta_monitor_manager_xrandr_read_current (MetaMonitorManager *manager)
 	  else
 	    meta_output->backlight = -1;
 
-	  n_actual_outputs++;
+          if (meta_output->n_modes == 0 || meta_output->n_possible_crtcs == 0)
+            meta_monitor_manager_clear_output (meta_output);
+          else
+            n_actual_outputs++;
 	}
 
       XRRFreeOutputInfo (output);

src/compositor/meta-background-image.c

@@ -152,6 +152,7 @@ file_loaded (GObject      *source_object,
 {
   MetaBackgroundImage *image = META_BACKGROUND_IMAGE (source_object);
   GError *error = NULL;
+  CoglError *catch_error = NULL;
   GTask *task;
   CoglTexture *texture;
   GdkPixbuf *pixbuf;
@@ -186,9 +187,10 @@ file_loaded (GObject      *source_object,
                               has_alpha ? COGL_PIXEL_FORMAT_RGBA_8888 : COGL_PIXEL_FORMAT_RGB_888,
                               row_stride,
                               pixels, 0,
-                              NULL))
+                              &catch_error))
     {
       g_warning ("Failed to create texture for background");
+      cogl_error_free (catch_error);
       cogl_object_unref (texture);
     }
 

src/compositor/meta-background.c

@@ -17,6 +17,7 @@
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <meta/util.h>
 #include <meta/meta-background.h>
 #include <meta/meta-background-image.h>
 #include "meta-background-private.h"
@@ -542,6 +543,7 @@ ensure_color_texture (MetaBackground *self)
     {
       ClutterBackend *backend = clutter_get_default_backend ();
       CoglContext *ctx = clutter_backend_get_cogl_context (backend);
+      CoglError *error = NULL;
       uint8_t pixels[6];
       int width, height;
 
@@ -582,7 +584,13 @@ ensure_color_texture (MetaBackground *self)
                                                                          COGL_PIXEL_FORMAT_RGB_888,
                                                                          width * 3,
                                                                          pixels,
-                                                                         NULL));
+                                                                         &error));
+
+      if (error != NULL)
+        {
+          meta_warning ("Failed to allocate color texture: %s\n", error->message);
+          cogl_error_free (error);
+        }
     }
 }
 

src/compositor/meta-shadow-factory.c

@@ -27,6 +27,7 @@
 #include <string.h>
 
 #include <meta/meta-shadow-factory.h>
+#include <meta/util.h>
 
 #include "cogl-utils.h"
 #include "region-utils.h"
@@ -707,6 +708,7 @@ make_shadow (MetaShadow     *shadow,
 {
   ClutterBackend *backend = clutter_get_default_backend ();
   CoglContext *ctx = clutter_backend_get_cogl_context (backend);
+  CoglError *error = NULL;
   int d = get_box_filter_size (shadow->key.radius);
   int spread = get_shadow_spread (shadow->key.radius);
   cairo_rectangle_int_t extents;
@@ -804,7 +806,13 @@ make_shadow (MetaShadow     *shadow,
                                                                  (buffer +
                                                                   (y_offset - shadow->outer_border_top) * buffer_width +
                                                                   (x_offset - shadow->outer_border_left)),
-                                                                 NULL));
+                                                                 &error));
+
+  if (error)
+    {
+      meta_warning ("Failed to allocate shadow texture: %s\n", error->message);
+      cogl_error_free (error);
+    }
 
   cairo_region_destroy (row_convolve_region);
   cairo_region_destroy (column_convolve_region);

src/compositor/meta-surface-actor-x11.c

@@ -102,8 +102,7 @@ detach_pixmap (MetaSurfaceActorX11 *self)
   priv->pixmap = None;
   meta_error_trap_pop (display);
 
-  cogl_object_unref (priv->texture);
-  priv->texture = NULL;
+  g_clear_pointer (&priv->texture, cogl_object_unref);
 }
 
 static void
@@ -114,14 +113,20 @@ set_pixmap (MetaSurfaceActorX11 *self,
 
   CoglContext *ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
   MetaShapedTexture *stex = meta_surface_actor_get_texture (META_SURFACE_ACTOR (self));
+  CoglError *error = NULL;
   CoglTexture *texture;
 
   g_assert (priv->pixmap == None);
   priv->pixmap = pixmap;
 
-  texture = COGL_TEXTURE (cogl_texture_pixmap_x11_new (ctx, priv->pixmap, FALSE, NULL));
+  texture = COGL_TEXTURE (cogl_texture_pixmap_x11_new (ctx, priv->pixmap, FALSE, &error));
 
-  if (G_UNLIKELY (!cogl_texture_pixmap_x11_is_using_tfp_extension (COGL_TEXTURE_PIXMAP_X11 (texture))))
+  if (error != NULL)
+    {
+      g_warning ("Failed to allocate stex texture: %s", error->message);
+      cogl_error_free (error);
+    }
+  else if (G_UNLIKELY (!cogl_texture_pixmap_x11_is_using_tfp_extension (COGL_TEXTURE_PIXMAP_X11 (texture))))
     g_warning ("NOTE: Not using GLX TFP!\n");
 
   priv->texture = texture;

src/compositor/meta-window-actor.c

@@ -1752,9 +1752,17 @@ build_and_scan_frame_mask (MetaWindowActor       *self,
     }
   else
     {
+      CoglError *error = NULL;
+
       mask_texture = COGL_TEXTURE (cogl_texture_2d_new_from_data (ctx, tex_width, tex_height,
                                                                   COGL_PIXEL_FORMAT_A_8,
-                                                                  stride, mask_data, NULL));
+                                                                  stride, mask_data, &error));
+
+      if (error)
+        {
+          g_warning ("Failed to allocate mask texture: %s", error->message);
+          cogl_error_free (error);
+        }
     }
 
   meta_shaped_texture_set_mask_texture (stex, mask_texture);

src/core/screen.c

@@ -1267,7 +1267,8 @@ root_cursor_prepare_at (MetaCursorSprite *cursor_sprite,
   monitor = meta_screen_get_monitor_for_point (screen, x, y);
 
   /* Reload the cursor texture if the scale has changed. */
-  meta_cursor_sprite_set_theme_scale (cursor_sprite, monitor->scale);
+  if (monitor)
+    meta_cursor_sprite_set_theme_scale (cursor_sprite, monitor->scale);
 }
 
 static void

src/core/window.c

@@ -3534,10 +3534,7 @@ meta_window_update_for_monitors_changed (MetaWindow *window)
 {
   const MetaMonitorInfo *old, *new;
 
-  if (window->type == META_WINDOW_DESKTOP)
-    return;
-
-  if (window->override_redirect)
+  if (window->override_redirect || window->type == META_WINDOW_DESKTOP)
     {
       meta_window_update_monitor (window, FALSE);
       return;

src/org.freedesktop.login1.xml

@@ -9,6 +9,8 @@
     <method name="TakeControl">
       <arg name="force" type="b"/>
     </method>
+    <method name="ReleaseControl">
+    </method>
     <method name="TakeDevice">
       <annotation name="org.gtk.GDBus.C.UnixFD" value="true"/>
       <arg name="major" type="u" direction="in"/>

src/wayland/meta-wayland-buffer.c

@@ -138,12 +138,19 @@ meta_wayland_buffer_process_damage (MetaWaylandBuffer *buffer,
 
       for (i = 0; i < n_rectangles; i++)
         {
+          CoglError *error = NULL;
           cairo_rectangle_int_t rect;
           cairo_region_get_rectangle (region, i, &rect);
           cogl_wayland_texture_set_region_from_shm_buffer (buffer->texture,
                                                            rect.x, rect.y, rect.width, rect.height,
                                                            shm_buffer,
-                                                           rect.x, rect.y, 0, NULL);
+                                                           rect.x, rect.y, 0, &error);
+
+          if (error)
+            {
+              meta_warning ("Failed to set texture region: %s\n", error->message);
+              cogl_error_free (error);
+            }
         }
 
       wl_shm_buffer_end_access (shm_buffer);

src/wayland/meta-wayland-data-device.c

@@ -112,7 +112,7 @@ struct wl_array *
 meta_wayland_data_source_get_mime_types (const MetaWaylandDataSource *source)
 {
   MetaWaylandDataSourcePrivate *priv =
-    meta_wayland_data_source_get_instance_private (source);
+    meta_wayland_data_source_get_instance_private ((MetaWaylandDataSource *)source);
 
   return &priv->mime_types;
 }
@@ -966,7 +966,7 @@ meta_wayland_data_source_has_mime_type (const MetaWaylandDataSource *source,
                                         const gchar                 *mime_type)
 {
   MetaWaylandDataSourcePrivate *priv =
-    meta_wayland_data_source_get_instance_private (source);
+    meta_wayland_data_source_get_instance_private ((MetaWaylandDataSource *)source);
   gchar **p;
 
   wl_array_for_each (p, &priv->mime_types)

src/wayland/meta-wayland-pointer.c

@@ -823,8 +823,9 @@ cursor_sprite_prepare_at (MetaCursorSprite *cursor_sprite,
   if (!meta_xwayland_is_xwayland_surface (surface))
     {
       monitor = meta_screen_get_monitor_for_point (screen, x, y);
-      meta_cursor_sprite_set_texture_scale (cursor_sprite,
-                                            (float)monitor->scale / surface->scale);
+      if (monitor)
+        meta_cursor_sprite_set_texture_scale (cursor_sprite,
+                                              (float)monitor->scale / surface->scale);
     }
   meta_wayland_surface_update_outputs (surface);
 }

src/wayland/meta-wayland-surface.c

@@ -1515,15 +1515,15 @@ xdg_shell_get_xdg_popup (struct wl_client *client,
                                   surface,
                                   xdg_popup_destructor);
 
+  surface->xdg_popup = popup_resource;
+  surface->xdg_shell_resource = resource;
+
   if (!meta_wayland_pointer_can_popup (&seat->pointer, serial))
     {
       xdg_popup_send_popup_done (popup_resource);
       return;
     }
 
-  surface->xdg_popup = popup_resource;
-  surface->xdg_shell_resource = resource;
-
   surface->popup.parent = parent_surf;
   surface->popup.parent_destroy_listener.notify = handle_popup_parent_destroyed;
   wl_resource_add_destroy_listener (parent_surf->resource,

src/wayland/meta-wayland.c

@@ -337,13 +337,13 @@ meta_wayland_init (void)
   meta_wayland_pointer_gestures_init (compositor);
   meta_wayland_seat_init (compositor);
 
+  if (!meta_xwayland_start (&compositor->xwayland_manager, compositor->wayland_display))
+    g_error ("Failed to start X Wayland");
+
   compositor->display_name = wl_display_add_socket_auto (compositor->wayland_display);
   if (compositor->display_name == NULL)
     g_error ("Failed to create socket");
 
-  if (!meta_xwayland_start (&compositor->xwayland_manager, compositor->wayland_display))
-    g_error ("Failed to start X Wayland");
-
   set_gnome_env ("DISPLAY", meta_wayland_get_xwayland_display_name (compositor));
   set_gnome_env ("WAYLAND_DISPLAY", meta_wayland_get_wayland_display_name (compositor));
 }

src/x11/iconcache.c

@@ -182,6 +182,8 @@ argbdata_to_surface (gulong *argb_data, int w, int h)
         }
     }
 
+  cairo_surface_mark_dirty (surface);
+
   return surface;
 }
 

src/x11/window-props.c

@@ -1843,7 +1843,7 @@ meta_display_init_window_prop_hooks (MetaDisplay *display)
     { display->atom__NET_WM_WINDOW_TYPE, META_PROP_VALUE_ATOM_LIST, reload_net_wm_window_type, LOAD_INIT | INCLUDE_OR | FORCE_INIT },
     { display->atom__NET_WM_STRUT,         META_PROP_VALUE_INVALID, reload_struts, NONE },
     { display->atom__NET_WM_STRUT_PARTIAL, META_PROP_VALUE_INVALID, reload_struts, NONE },
-    { display->atom__NET_WM_BYPASS_COMPOSITOR, META_PROP_VALUE_CARDINAL,  reload_bypass_compositor, NONE },
+    { display->atom__NET_WM_BYPASS_COMPOSITOR, META_PROP_VALUE_CARDINAL,  reload_bypass_compositor, LOAD_INIT | INCLUDE_OR },
     { display->atom__NET_WM_WINDOW_OPACITY, META_PROP_VALUE_CARDINAL, reload_window_opacity, LOAD_INIT | INCLUDE_OR },
     { 0 },
   };

src/x11/window-x11.c

@@ -542,13 +542,10 @@ meta_window_x11_manage (MetaWindow *window)
    * For normal windows, do a full ConfigureRequest based on the
    * window hints, as that's what the ICCCM says to do.
    */
+  priv->client_rect = window->rect;
+  window->buffer_rect = window->rect;
 
-  if (window->override_redirect)
-    {
-      priv->client_rect = window->rect;
-      window->buffer_rect = window->rect;
-    }
-  else
+  if (!window->override_redirect)
     {
       MetaRectangle rect;
       MetaMoveResizeFlags flags;
@@ -1735,9 +1732,9 @@ meta_window_x11_update_input_region (MetaWindow *window)
           region = cairo_region_create ();
         }
       else if (n_rects == 1 &&
-               (rects[0].x == 0 ||
-                rects[0].y == 0 ||
-                rects[0].width == priv->client_rect.width ||
+               (rects[0].x == 0 &&
+                rects[0].y == 0 &&
+                rects[0].width == priv->client_rect.width &&
                 rects[0].height == priv->client_rect.height))
         {
           /* This is the bounding region case. Keep the