xwayland: Don't use abstract socket on non-Linux systems

Abstract socket is a Linux-only feature. On operating systems other than
Linux, we can only use the normal UNIX socket.

This patch allows mutter to run as a nested Wayland compositor under
Xorg on FreeBSD.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/954

.gitlab-ci.yml

@@ -4,7 +4,6 @@ stages:
  - review
  - build
  - test
- - coverage
 
 check-commit-log:
   stage: review
@@ -18,7 +17,7 @@ check-commit-log:
 build-mutter:
   stage: build
   script:
-    - meson . build -Dbuildtype=debugoptimized -Db_coverage=true -Degl_device=true -Dwayland_eglstream=true --werror --prefix /usr
+    - meson . build -Dbuildtype=debugoptimized -Degl_device=true -Dwayland_eglstream=true --werror --prefix /usr
     - ninja -C build
     - ninja -C build install
   artifacts:
@@ -36,8 +35,9 @@ build-without-opengl-and-glx:
     - ninja -C build
     - ninja -C build install
   artifacts:
+    expire_in: 1 day
     paths:
-      - build/meson-logs
+      - build
   only:
     - merge_requests
     - /^.*$/
@@ -49,8 +49,9 @@ build-without-native-backend-and-wayland:
     - ninja -C build
     - ninja -C build install
   artifacts:
+    expire_in: 1 day
     paths:
-      - build/meson-logs
+      - build
   only:
     - merge_requests
     - /^.*$/
@@ -65,6 +66,7 @@ test-mutter:
     G_SLICE: "always-malloc"
     MALLOC_CHECK_: "3"
     NO_AT_BRIDGE: "1"
+    MALLOC_PERTURB_: "123"
   script:
     - dconf update
     - mkdir -m 700 $XDG_RUNTIME_DIR
@@ -72,30 +74,10 @@ test-mutter:
     - >
       dbus-run-session -- xvfb-run -s '+iglx -noreset'
       meson test -C build --no-rebuild -t 10 --verbose --no-stdsplit --print-errorlogs --wrap catchsegv
-  artifacts:
-    expire_in: 1 day
-    paths:
-      - build
   only:
     - merge_requests
     - /^.*$/
 
-test-mutter-coverage:
-  stage: coverage
-  dependencies:
-    - test-mutter
-  script:
-    - ninja -C build coverage
-    - cat build/meson-logs/coverage.txt
-  artifacts:
-    paths:
-      - build/meson-logs
-  when: manual
-  except:
-    refs:
-      - tags
-      - master
-
 can-build-gnome-shell:
   stage: test
   dependencies:

.gitlab-ci/Dockerfile

@@ -16,7 +16,7 @@ RUN dnf -y update && dnf -y upgrade && \
 
     # For running unit tests
     dnf install -y xorg-x11-server-Xvfb mesa-dri-drivers dbus dbus-x11 \
-        '*/xvfb-run' gdm-lib accountsservice-libs gnome-control-center gcovr \
+        '*/xvfb-run' gdm-lib accountsservice-libs gnome-control-center \
         --setopt=install_weak_deps=False && \
 
     # GNOME Shell

NEWS

@@ -1,30 +1,3 @@
-3.37.2
-======
-* Fix move-to-center keybinding with multiple monitors [Sergey; #1073]
-* Fix stuck buttons when a virtual device is destroyed [Carlos; !1239]
-* Use workarea when centering new windows [Akatsuki; #964]
-* Limit mipmap levels when rendering background [Daniel; !1003]
-* Broadcast clipboard/primary offers [Carlos; !1253]
-* Support primary-selection protocol from wayland-protocols [Carlos; !1255]
-* Fix monitor screen cast on X11 [Jonas Å.; !1251]
-* Support a "blank" cursor type [Florian; !1244]
-* Improve stage view damage tracking [Jonas Å.; !1237]
-* Implement touch-mode detecation for the X11 backend [Carlos; !1278]
-* Drop external keyboard detection from touch-mode heuristics [Carlos; !1277]
-* Optimize actor allocations [Jonas D.; !1247]
-* Fixed crashes [Daniel, Carlos, Jonas Å., Jonas D.; !1256, !1258, !1217, !1280]
-* Misc. bug fixes and cleanups [Christian, Jonas D., Olivier, Ting-Wei,
-  Jonas Å., Marco, Corentin, Daniel, Robert, Niels, Florian, Simon; !1231,
-  !1228, !1238, !1229, !1192, !1236, !1171, !1134, #1126, !1234, !1230, !1210,
-  !1242, !1243, !1252, !1113, !1232, !1259, !1245, !1265, !1180, !1261, !788,
-  !1264, !1235, !1218, !1150, !1274, !1271, !1279, !1283, !1272]
-
-Contributors:
-  Marco Trevisan (Treviño), Akatsuki, Jonas Dreßler, Olivier Fourdan,
-  Carlos Garnacho, Niels De Graef, Ting-Wei Lan, Robert Mader, Simon McVittie,
-  Florian Müllner, Corentin Noël, Christian Rauch, Daniel van Vugt,
-  Sergey Zigachev, Jonas Ådahl
-
 3.37.1
 ======
 * Fix screencasting non-maximized windows [Jonas Å.; !1174]

clutter/clutter/clutter-action.h

@@ -33,11 +33,28 @@
 
 G_BEGIN_DECLS
 
-#define CLUTTER_TYPE_ACTION (clutter_action_get_type ())
+#define CLUTTER_TYPE_ACTION             (clutter_action_get_type ())
+#define CLUTTER_ACTION(obj)             (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_ACTION, ClutterAction))
+#define CLUTTER_IS_ACTION(obj)          (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_ACTION))
+#define CLUTTER_ACTION_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_ACTION, ClutterActionClass))
+#define CLUTTER_IS_ACTION_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_ACTION))
+#define CLUTTER_ACTION_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_ACTION, ClutterActionClass))
 
-CLUTTER_EXPORT
+typedef struct _ClutterActionClass      ClutterActionClass;
-G_DECLARE_DERIVABLE_TYPE (ClutterAction, clutter_action,
+
-                          CLUTTER, ACTION, ClutterActorMeta);
+/**
+ * ClutterAction:
+ *
+ * The #ClutterAction structure contains only private data and
+ * should be accessed using the provided API.
+ *
+ * Since: 1.4
+ */
+struct _ClutterAction
+{
+  /*< private >*/
+  ClutterActorMeta parent_instance;
+};
 
 /**
  * ClutterActionClass:
@@ -61,6 +78,9 @@ struct _ClutterActionClass
   void (* _clutter_action8) (void);
 };
 
+CLUTTER_EXPORT
+GType clutter_action_get_type (void) G_GNUC_CONST;
+
 /* ClutterActor API */
 CLUTTER_EXPORT
 void           clutter_actor_add_action            (ClutterActor  *self,

clutter/clutter/clutter-actor-meta.c

@@ -81,47 +81,38 @@ static void
 on_actor_destroy (ClutterActor     *actor,
                   ClutterActorMeta *meta)
 {
-  ClutterActorMetaPrivate *priv =
+  meta->priv->actor = NULL;
-    clutter_actor_meta_get_instance_private (meta);
-
-  priv->actor = NULL;
 }
 
 static void
 clutter_actor_meta_real_set_actor (ClutterActorMeta *meta,
                                    ClutterActor     *actor)
 {
-  ClutterActorMetaPrivate *priv =
+  g_warn_if_fail (!meta->priv->actor ||
-    clutter_actor_meta_get_instance_private (meta);
+                  !CLUTTER_ACTOR_IN_PAINT (meta->priv->actor));
-
-  g_warn_if_fail (!priv->actor ||
-                  !CLUTTER_ACTOR_IN_PAINT (priv->actor));
   g_warn_if_fail (!actor || !CLUTTER_ACTOR_IN_PAINT (actor));
 
-  if (priv->actor == actor)
+  if (meta->priv->actor == actor)
     return;
 
-  g_clear_signal_handler (&priv->destroy_id, priv->actor);
+  g_clear_signal_handler (&meta->priv->destroy_id, meta->priv->actor);
 
-  priv->actor = actor;
+  meta->priv->actor = actor;
 
-  if (priv->actor != NULL)
+  if (meta->priv->actor != NULL)
-    priv->destroy_id = g_signal_connect (priv->actor, "destroy",
+    meta->priv->destroy_id = g_signal_connect (meta->priv->actor, "destroy",
-                                         G_CALLBACK (on_actor_destroy),
+                                               G_CALLBACK (on_actor_destroy),
-                                         meta);
+                                               meta);
 }
 
 static void
 clutter_actor_meta_real_set_enabled (ClutterActorMeta *meta,
                                      gboolean          is_enabled)
 {
-  ClutterActorMetaPrivate *priv =
+  g_warn_if_fail (!meta->priv->actor ||
-    clutter_actor_meta_get_instance_private (meta);
+                  !CLUTTER_ACTOR_IN_PAINT (meta->priv->actor));
 
-  g_warn_if_fail (!priv->actor ||
+  meta->priv->is_enabled = is_enabled;
-                  !CLUTTER_ACTOR_IN_PAINT (priv->actor));
-
-  priv->is_enabled = is_enabled;
 
   g_object_notify_by_pspec (G_OBJECT (meta), obj_props[PROP_ENABLED]);
 }
@@ -156,21 +147,20 @@ clutter_actor_meta_get_property (GObject    *gobject,
                                  GValue     *value,
                                  GParamSpec *pspec)
 {
-  ClutterActorMetaPrivate *priv =
+  ClutterActorMeta *meta = CLUTTER_ACTOR_META (gobject);
-    clutter_actor_meta_get_instance_private (CLUTTER_ACTOR_META (gobject));
 
   switch (prop_id)
     {
     case PROP_ACTOR:
-      g_value_set_object (value, priv->actor);
+      g_value_set_object (value, meta->priv->actor);
       break;
 
     case PROP_NAME:
-      g_value_set_string (value, priv->name);
+      g_value_set_string (value, meta->priv->name);
       break;
 
     case PROP_ENABLED:
-      g_value_set_boolean (value, priv->is_enabled);
+      g_value_set_boolean (value, meta->priv->is_enabled);
       break;
 
     default:
@@ -182,8 +172,7 @@ clutter_actor_meta_get_property (GObject    *gobject,
 static void
 clutter_actor_meta_finalize (GObject *gobject)
 {
-  ClutterActorMetaPrivate *priv =
+  ClutterActorMetaPrivate *priv = CLUTTER_ACTOR_META (gobject)->priv;
-    clutter_actor_meta_get_instance_private (CLUTTER_ACTOR_META (gobject));
 
   if (priv->actor != NULL)
     g_clear_signal_handler (&priv->destroy_id, priv->actor);
@@ -254,11 +243,9 @@ clutter_actor_meta_class_init (ClutterActorMetaClass *klass)
 void
 clutter_actor_meta_init (ClutterActorMeta *self)
 {
-  ClutterActorMetaPrivate *priv =
+  self->priv = clutter_actor_meta_get_instance_private (self);
-    clutter_actor_meta_get_instance_private (self);
+  self->priv->is_enabled = TRUE;
-
+  self->priv->priority = CLUTTER_ACTOR_META_PRIORITY_DEFAULT;
-  priv->is_enabled = TRUE;
-  priv->priority = CLUTTER_ACTOR_META_PRIORITY_DEFAULT;
 }
 
 /**
@@ -276,17 +263,13 @@ void
 clutter_actor_meta_set_name (ClutterActorMeta *meta,
                              const gchar      *name)
 {
-  ClutterActorMetaPrivate *priv;
-
   g_return_if_fail (CLUTTER_IS_ACTOR_META (meta));
 
-  priv = clutter_actor_meta_get_instance_private (meta);
+  if (g_strcmp0 (meta->priv->name, name) == 0)
-
-  if (g_strcmp0 (priv->name, name) == 0)
     return;
 
-  g_free (priv->name);
+  g_free (meta->priv->name);
-  priv->name = g_strdup (name);
+  meta->priv->name = g_strdup (name);
 
   g_object_notify_by_pspec (G_OBJECT (meta), obj_props[PROP_NAME]);
 }
@@ -307,13 +290,9 @@ clutter_actor_meta_set_name (ClutterActorMeta *meta,
 const gchar *
 clutter_actor_meta_get_name (ClutterActorMeta *meta)
 {
-  ClutterActorMetaPrivate *priv;
-
   g_return_val_if_fail (CLUTTER_IS_ACTOR_META (meta), NULL);
 
-  priv = clutter_actor_meta_get_instance_private (meta);
+  return meta->priv->name;
-
-  return priv->name;
 }
 
 /**
@@ -329,14 +308,11 @@ void
 clutter_actor_meta_set_enabled (ClutterActorMeta *meta,
                                 gboolean          is_enabled)
 {
-  ClutterActorMetaPrivate *priv;
-
   g_return_if_fail (CLUTTER_IS_ACTOR_META (meta));
 
-  priv = clutter_actor_meta_get_instance_private (meta);
   is_enabled = !!is_enabled;
 
-  if (priv->is_enabled == is_enabled)
+  if (meta->priv->is_enabled == is_enabled)
     return;
 
   CLUTTER_ACTOR_META_GET_CLASS (meta)->set_enabled (meta, is_enabled);
@@ -355,13 +331,9 @@ clutter_actor_meta_set_enabled (ClutterActorMeta *meta,
 gboolean
 clutter_actor_meta_get_enabled (ClutterActorMeta *meta)
 {
-  ClutterActorMetaPrivate *priv;
-
   g_return_val_if_fail (CLUTTER_IS_ACTOR_META (meta), FALSE);
 
-  priv = clutter_actor_meta_get_instance_private (meta);
+  return meta->priv->is_enabled;
-
-  return priv->is_enabled;
 }
 
 /*
@@ -397,54 +369,40 @@ _clutter_actor_meta_set_actor (ClutterActorMeta *meta,
 ClutterActor *
 clutter_actor_meta_get_actor (ClutterActorMeta *meta)
 {
-  ClutterActorMetaPrivate *priv;
-
   g_return_val_if_fail (CLUTTER_IS_ACTOR_META (meta), NULL);
 
-  priv = clutter_actor_meta_get_instance_private (meta);
+  return meta->priv->actor;
-
-  return priv->actor;
 }
 
 void
 _clutter_actor_meta_set_priority (ClutterActorMeta *meta,
                                   gint priority)
 {
-  ClutterActorMetaPrivate *priv;
-
   g_return_if_fail (CLUTTER_IS_ACTOR_META (meta));
 
-  priv = clutter_actor_meta_get_instance_private (meta);
-
   /* This property shouldn't be modified after the actor meta is in
      use because ClutterMetaGroup doesn't resort the list when it
      changes. If we made the priority public then we could either make
      the priority a construct-only property or listen for
      notifications on the property from the ClutterMetaGroup and
      resort. */
-  g_return_if_fail (priv->actor == NULL);
+  g_return_if_fail (meta->priv->actor == NULL);
 
-  priv->priority = priority;
+  meta->priv->priority = priority;
 }
 
 gint
 _clutter_actor_meta_get_priority (ClutterActorMeta *meta)
 {
-  ClutterActorMetaPrivate *priv;
-
   g_return_val_if_fail (CLUTTER_IS_ACTOR_META (meta), 0);
 
-  priv = clutter_actor_meta_get_instance_private (meta);
+  return meta->priv->priority;
-
-  return priv->priority;
 }
 
 gboolean
 _clutter_actor_meta_is_internal (ClutterActorMeta *meta)
 {
-  ClutterActorMetaPrivate *priv =
+  gint priority = meta->priv->priority;
-    clutter_actor_meta_get_instance_private (meta);
-  gint priority = priv->priority;
 
   return (priority <= CLUTTER_ACTOR_META_PRIORITY_INTERNAL_LOW ||
           priority >= CLUTTER_ACTOR_META_PRIORITY_INTERNAL_HIGH);
@@ -491,21 +449,19 @@ void
 _clutter_meta_group_add_meta (ClutterMetaGroup *group,
                               ClutterActorMeta *meta)
 {
-  ClutterActorMetaPrivate *priv =
-    clutter_actor_meta_get_instance_private (meta);
   GList *prev = NULL, *l;
 
-  if (priv->actor != NULL)
+  if (meta->priv->actor != NULL)
     {
       g_warning ("The meta of type '%s' with name '%s' is "
                  "already attached to actor '%s'",
                  G_OBJECT_TYPE_NAME (meta),
-                 priv->name != NULL
+                 meta->priv->name != NULL
-                   ? priv->name
+                   ? meta->priv->name
                    : "<unknown>",
-                 clutter_actor_get_name (priv->actor) != NULL
+                 clutter_actor_get_name (meta->priv->actor) != NULL
-                   ? clutter_actor_get_name (priv->actor)
+                   ? clutter_actor_get_name (meta->priv->actor)
-                   : G_OBJECT_TYPE_NAME (priv->actor));
+                   : G_OBJECT_TYPE_NAME (meta->priv->actor));
       return;
     }
 
@@ -541,16 +497,13 @@ void
 _clutter_meta_group_remove_meta (ClutterMetaGroup *group,
                                  ClutterActorMeta *meta)
 {
-  ClutterActorMetaPrivate *priv =
+  if (meta->priv->actor != group->actor)
-    clutter_actor_meta_get_instance_private (meta);
-
-  if (priv->actor != group->actor)
     {
       g_warning ("The meta of type '%s' with name '%s' is not "
                  "attached to the actor '%s'",
                  G_OBJECT_TYPE_NAME (meta),
-                 priv->name != NULL
+                 meta->priv->name != NULL
-                   ? priv->name
+                   ? meta->priv->name
                    : "<unknown>",
                  clutter_actor_get_name (group->actor) != NULL
                    ? clutter_actor_get_name (group->actor)
@@ -693,10 +646,8 @@ _clutter_meta_group_get_meta (ClutterMetaGroup *group,
   for (l = group->meta; l != NULL; l = l->next)
     {
       ClutterActorMeta *meta = l->data;
-      ClutterActorMetaPrivate *priv =
-        clutter_actor_meta_get_instance_private (meta);
 
-      if (g_strcmp0 (priv->name, name) == 0)
+      if (g_strcmp0 (meta->priv->name, name) == 0)
         return meta;
     }
 
@@ -716,8 +667,6 @@ _clutter_meta_group_get_meta (ClutterMetaGroup *group,
 const gchar *
 _clutter_actor_meta_get_debug_name (ClutterActorMeta *meta)
 {
-  ClutterActorMetaPrivate *priv =
+  return meta->priv->name != NULL ? meta->priv->name
-    clutter_actor_meta_get_instance_private (meta);
+                                  : G_OBJECT_TYPE_NAME (meta);
-
-  return priv->name != NULL ? priv->name : G_OBJECT_TYPE_NAME (meta);
 }

clutter/clutter/clutter-actor-meta.h

@@ -33,13 +33,31 @@
 
 G_BEGIN_DECLS
 
-#define CLUTTER_TYPE_ACTOR_META (clutter_actor_meta_get_type ())
+#define CLUTTER_TYPE_ACTOR_META                 (clutter_actor_meta_get_type ())
+#define CLUTTER_ACTOR_META(obj)                 (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_ACTOR_META, ClutterActorMeta))
+#define CLUTTER_IS_ACTOR_META(obj)              (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_ACTOR_META))
+#define CLUTTER_ACTOR_META_CLASS(klass)         (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_ACTOR_META, ClutterActorMetaClass))
+#define CLUTTER_IS_ACTOR_META_CLASS(klass)      (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_ACTOR_META))
+#define CLUTTER_ACTOR_META_GET_CLASS(obj)       (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_ACTOR_META, ClutterActorMetaClass))
 
-CLUTTER_EXPORT
+typedef struct _ClutterActorMetaPrivate         ClutterActorMetaPrivate;
-G_DECLARE_DERIVABLE_TYPE (ClutterActorMeta, clutter_actor_meta,
+typedef struct _ClutterActorMetaClass           ClutterActorMetaClass;
-                          CLUTTER, ACTOR_META, GInitiallyUnowned);
 
-typedef struct _ClutterActorMetaPrivate ClutterActorMetaPrivate;
+/**
+ * ClutterActorMeta:
+ *
+ * The #ClutterActorMeta structure contains only
+ * private data and should be accessed using the provided API
+ *
+ * Since: 1.4
+ */
+struct _ClutterActorMeta
+{
+  /*< private >*/
+  GInitiallyUnowned parent_instance;
+
+  ClutterActorMetaPrivate *priv;
+};
 
 /**
  * ClutterActorMetaClass:
@@ -81,6 +99,9 @@ struct _ClutterActorMetaClass
   void (* _clutter_meta6) (void);
 };
 
+CLUTTER_EXPORT
+GType clutter_actor_meta_get_type (void) G_GNUC_CONST;
+
 CLUTTER_EXPORT
 void            clutter_actor_meta_set_name     (ClutterActorMeta *meta,
                                                  const gchar      *name);

clutter/clutter/clutter-actor.h

@@ -175,12 +175,9 @@ struct _ClutterActor
  * @get_preferred_height: virtual function, used when querying the minimum
  *   and natural heights of an actor for a given width; it is used by
  *   clutter_actor_get_preferred_height()
- * @allocate: virtual function, used when setting the coordinates of an
+ * @allocate: virtual function, used when settings the coordinates of an
- *   actor; it is used by clutter_actor_allocate(); when overriding this
+ *   actor; it is used by clutter_actor_allocate(); it must chain up to
- *   function without chaining up, clutter_actor_set_allocation() must be
+ *   the parent's implementation, or call clutter_actor_set_allocation()
- *   called and children must be allocated by the implementation, when
- *   chaining up though, those things will be done by the parent's
- *   implementation.
  * @apply_transform: virtual function, used when applying the transformations
  *   to an actor before painting it or when transforming coordinates or
  *   the allocation; it must chain up to the parent's implementation
@@ -256,7 +253,8 @@ struct _ClutterActorClass
                                  gfloat                 *min_height_p,
                                  gfloat                 *natural_height_p);
   void (* allocate)             (ClutterActor           *self,
-                                 const ClutterActorBox  *box);
+                                 const ClutterActorBox  *box,
+                                 ClutterAllocationFlags  flags);
 
   /* transformations */
   void (* apply_transform)      (ClutterActor           *actor,
@@ -417,29 +415,38 @@ void                            clutter_actor_get_preferred_size
                                                                                  gfloat                      *natural_height_p);
 CLUTTER_EXPORT
 void                            clutter_actor_allocate                          (ClutterActor                *self,
-                                                                                 const ClutterActorBox       *box);
+                                                                                 const ClutterActorBox       *box,
+                                                                                 ClutterAllocationFlags       flags);
 CLUTTER_EXPORT
-void                            clutter_actor_allocate_preferred_size           (ClutterActor                *self);
+void                            clutter_actor_allocate_preferred_size           (ClutterActor                *self,
+                                                                                 ClutterAllocationFlags       flags);
 CLUTTER_EXPORT
 void                            clutter_actor_allocate_available_size           (ClutterActor                *self,
                                                                                  gfloat                       x,
                                                                                  gfloat                       y,
                                                                                  gfloat                       available_width,
-                                                                                 gfloat                       available_height);
+                                                                                 gfloat                       available_height,
+                                                                                 ClutterAllocationFlags       flags);
 CLUTTER_EXPORT
 void                            clutter_actor_allocate_align_fill               (ClutterActor                *self,
                                                                                  const ClutterActorBox       *box,
                                                                                  gdouble                      x_align,
                                                                                  gdouble                      y_align,
                                                                                  gboolean                     x_fill,
-                                                                                 gboolean                     y_fill);
+                                                                                 gboolean                     y_fill,
+                                                                                 ClutterAllocationFlags       flags);
 CLUTTER_EXPORT
 void                            clutter_actor_set_allocation                    (ClutterActor                *self,
-                                                                                 const ClutterActorBox       *box);
+                                                                                 const ClutterActorBox       *box,
+                                                                                 ClutterAllocationFlags       flags);
 CLUTTER_EXPORT
 void                            clutter_actor_get_allocation_box                (ClutterActor                *self,
                                                                                  ClutterActorBox             *box);
 CLUTTER_EXPORT
+void                            clutter_actor_get_allocation_vertices           (ClutterActor                *self,
+                                                                                 ClutterActor                *ancestor,
+                                                                                 graphene_point3d_t          *verts);
+CLUTTER_EXPORT
 gboolean                        clutter_actor_has_allocation                    (ClutterActor                *self);
 CLUTTER_EXPORT
 void                            clutter_actor_set_size                          (ClutterActor                *self,

clutter/clutter/clutter-align-constraint.c

@@ -85,7 +85,8 @@ G_DEFINE_TYPE (ClutterAlignConstraint,
 
 static void
 source_position_changed (ClutterActor           *actor,
-                         GParamSpec             *pspec,
+                         const ClutterActorBox  *allocation,
+                         ClutterAllocationFlags  flags,
                          ClutterAlignConstraint *align)
 {
   if (align->actor != NULL)
@@ -409,7 +410,7 @@ clutter_align_constraint_set_source (ClutterAlignConstraint *align,
   align->source = source;
   if (align->source != NULL)
     {
-      g_signal_connect (align->source, "notify::allocation",
+      g_signal_connect (align->source, "allocation-changed",
                         G_CALLBACK (source_position_changed),
                         align);
       g_signal_connect (align->source, "destroy",

clutter/clutter/clutter-animatable.c

@@ -27,23 +27,35 @@
  * @short_description: Interface for animatable classes
  *
  * #ClutterAnimatable is an interface that allows a #GObject class
- * to control how an actor will animate a property.
+ * to control how a #ClutterAnimation will animate a property.
  *
  * Each #ClutterAnimatable should implement the
  * #ClutterAnimatableInterface.interpolate_property() virtual function of the
  * interface to compute the animation state between two values of an interval
  * depending on a progress factor, expressed as a floating point value.
  *
+ * If a #ClutterAnimatable is animated by a #ClutterAnimation
+ * instance, the #ClutterAnimation will call
+ * clutter_animatable_interpolate_property() passing the name of the
+ * currently animated property; the values interval; and the progress factor.
+ * The #ClutterAnimatable implementation should return the computed value for
+ * the animated
+ * property.
+ *
  * #ClutterAnimatable is available since Clutter 1.0
  */
 
 #include "clutter-build-config.h"
 
+#define CLUTTER_DISABLE_DEPRECATION_WARNINGS
+
 #include "clutter-animatable.h"
 #include "clutter-interval.h"
 #include "clutter-debug.h"
 #include "clutter-private.h"
 
+#include "deprecated/clutter-animation.h"
+
 G_DEFINE_INTERFACE (ClutterAnimatable, clutter_animatable, G_TYPE_OBJECT);
 
 static void

clutter/clutter/clutter-animatable.h

@@ -42,6 +42,8 @@ G_DECLARE_INTERFACE (ClutterAnimatable, clutter_animatable,
 
 /**
  * ClutterAnimatableInterface:
+ * @animate_property: virtual function for custom interpolation of a
+ *   property. This virtual function is deprecated
  * @find_property: virtual function for retrieving the #GParamSpec of
  *   an animatable property
  * @get_initial_state: virtual function for retrieving the initial
@@ -51,6 +53,9 @@ G_DECLARE_INTERFACE (ClutterAnimatable, clutter_animatable,
  * @interpolate_value: virtual function for interpolating the progress
  *   of a property
  *
+ * Base interface for #GObject<!-- -->s that can be animated by a
+ * a #ClutterAnimation.
+ *
  * Since: 1.0
  */
 struct _ClutterAnimatableInterface
@@ -59,6 +64,13 @@ struct _ClutterAnimatableInterface
   GTypeInterface parent_iface;
 
   /*< public >*/
+  gboolean    (* animate_property)  (ClutterAnimatable *animatable,
+                                     ClutterAnimation  *animation,
+                                     const gchar       *property_name,
+                                     const GValue      *initial_value,
+                                     const GValue      *final_value,
+                                     gdouble            progress,
+                                     GValue            *value);
   GParamSpec *(* find_property)     (ClutterAnimatable *animatable,
                                      const gchar       *property_name);
   void        (* get_initial_state) (ClutterAnimatable *animatable,

clutter/clutter/clutter-autocleanups.h

@@ -30,7 +30,9 @@
 
 #ifndef __GI_SCANNER__
 
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterAction, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterActor, g_object_unref)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterActorMeta, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterAlignConstraint, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterBackend, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterBindConstraint, g_object_unref)
@@ -41,6 +43,7 @@ G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterBoxLayout, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterBrightnessContrastEffect, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterCanvas, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterChildMeta, g_object_unref)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterClickAction, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterClone, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterColorizeEffect, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterConstraint, g_object_unref)
@@ -50,6 +53,7 @@ G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterDesaturateEffect, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterEffect, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterFixedLayout, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterFlowLayout, g_object_unref)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterGestureAction, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterGridLayout, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterImage, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterInputDevice, g_object_unref)

clutter/clutter/clutter-bin-layout.c

@@ -406,7 +406,8 @@ get_actor_align_factor (ClutterActorAlign alignment)
 static void
 clutter_bin_layout_allocate (ClutterLayoutManager   *manager,
                              ClutterContainer       *container,
-                             const ClutterActorBox  *allocation)
+                             const ClutterActorBox  *allocation,
+                             ClutterAllocationFlags  flags)
 {
   gfloat allocation_x, allocation_y;
   gfloat available_w, available_h;
@@ -514,7 +515,8 @@ clutter_bin_layout_allocate (ClutterLayoutManager   *manager,
 
       clutter_actor_allocate_align_fill (child, &child_alloc,
                                          x_align, y_align,
-                                         x_fill, y_fill);
+                                         x_fill, y_fill,
+                                         flags);
     }
 }
 

clutter/clutter/clutter-box-layout.h

@@ -105,6 +105,64 @@ void                    clutter_box_layout_set_pack_start       (ClutterBoxLayou
 CLUTTER_EXPORT
 gboolean                clutter_box_layout_get_pack_start       (ClutterBoxLayout    *layout);
 
+CLUTTER_DEPRECATED_FOR(clutter_box_layout_set_orientation)
+void                    clutter_box_layout_set_vertical         (ClutterBoxLayout    *layout,
+                                                                 gboolean             vertical);
+CLUTTER_DEPRECATED_FOR(clutter_box_layout_get_orientation)
+gboolean                clutter_box_layout_get_vertical         (ClutterBoxLayout    *layout);
+
+CLUTTER_EXPORT
+void                    clutter_box_layout_pack                 (ClutterBoxLayout    *layout,
+                                                                 ClutterActor        *actor,
+                                                                 gboolean             expand,
+                                                                 gboolean             x_fill,
+                                                                 gboolean             y_fill,
+                                                                 ClutterBoxAlignment  x_align,
+                                                                 ClutterBoxAlignment  y_align);
+CLUTTER_DEPRECATED
+void                    clutter_box_layout_set_alignment        (ClutterBoxLayout    *layout,
+                                                                 ClutterActor        *actor,
+                                                                 ClutterBoxAlignment  x_align,
+                                                                 ClutterBoxAlignment  y_align);
+CLUTTER_DEPRECATED
+void                    clutter_box_layout_get_alignment        (ClutterBoxLayout    *layout,
+                                                                 ClutterActor        *actor,
+                                                                 ClutterBoxAlignment *x_align,
+                                                                 ClutterBoxAlignment *y_align);
+CLUTTER_DEPRECATED
+void                    clutter_box_layout_set_fill             (ClutterBoxLayout    *layout,
+                                                                 ClutterActor        *actor,
+                                                                 gboolean             x_fill,
+                                                                 gboolean             y_fill);
+CLUTTER_DEPRECATED
+void                    clutter_box_layout_get_fill             (ClutterBoxLayout    *layout,
+                                                                 ClutterActor        *actor,
+                                                                 gboolean            *x_fill,
+                                                                 gboolean            *y_fill);
+CLUTTER_DEPRECATED
+void                    clutter_box_layout_set_expand           (ClutterBoxLayout    *layout,
+                                                                 ClutterActor        *actor,
+                                                                 gboolean             expand);
+CLUTTER_DEPRECATED
+gboolean                clutter_box_layout_get_expand           (ClutterBoxLayout    *layout,
+                                                                 ClutterActor        *actor);
+
+CLUTTER_DEPRECATED
+void                    clutter_box_layout_set_use_animations   (ClutterBoxLayout    *layout,
+                                                                 gboolean             animate);
+CLUTTER_DEPRECATED
+gboolean                clutter_box_layout_get_use_animations   (ClutterBoxLayout    *layout);
+CLUTTER_DEPRECATED
+void                    clutter_box_layout_set_easing_mode      (ClutterBoxLayout    *layout,
+                                                                 gulong               mode);
+CLUTTER_DEPRECATED
+gulong                  clutter_box_layout_get_easing_mode      (ClutterBoxLayout    *layout);
+CLUTTER_DEPRECATED
+void                    clutter_box_layout_set_easing_duration  (ClutterBoxLayout    *layout,
+                                                                 guint                msecs);
+CLUTTER_DEPRECATED
+guint                   clutter_box_layout_get_easing_duration  (ClutterBoxLayout    *layout);
+
 G_END_DECLS
 
 #endif /* __CLUTTER_BOX_LAYOUT_H__ */

clutter/clutter/clutter-click-action.c

@@ -159,8 +159,7 @@ static inline void
 click_action_set_pressed (ClutterClickAction *action,
                           gboolean            is_pressed)
 {
-  ClutterClickActionPrivate *priv =
+  ClutterClickActionPrivate *priv = action->priv;
-    clutter_click_action_get_instance_private (action);
 
   is_pressed = !!is_pressed;
 
@@ -175,8 +174,7 @@ static inline void
 click_action_set_held (ClutterClickAction *action,
                        gboolean            is_held)
 {
-  ClutterClickActionPrivate *priv =
+  ClutterClickActionPrivate *priv = action->priv;
-    clutter_click_action_get_instance_private (action);
 
   is_held = !!is_held;
 
@@ -191,8 +189,7 @@ static gboolean
 click_action_emit_long_press (gpointer data)
 {
   ClutterClickAction *action = data;
-  ClutterClickActionPrivate *priv =
+  ClutterClickActionPrivate *priv = action->priv;
-    clutter_click_action_get_instance_private (action);
   ClutterActor *actor;
   gboolean result;
 
@@ -216,8 +213,7 @@ click_action_emit_long_press (gpointer data)
 static inline void
 click_action_query_long_press (ClutterClickAction *action)
 {
-  ClutterClickActionPrivate *priv =
+  ClutterClickActionPrivate *priv = action->priv;
-    clutter_click_action_get_instance_private (action);
   ClutterActor *actor;
   gboolean result = FALSE;
   gint timeout;
@@ -253,8 +249,7 @@ click_action_query_long_press (ClutterClickAction *action)
 static inline void
 click_action_cancel_long_press (ClutterClickAction *action)
 {
-  ClutterClickActionPrivate *priv =
+  ClutterClickActionPrivate *priv = action->priv;
-    clutter_click_action_get_instance_private (action);
 
   if (priv->long_press_id != 0)
     {
@@ -277,8 +272,7 @@ on_event (ClutterActor       *actor,
           ClutterEvent       *event,
           ClutterClickAction *action)
 {
-  ClutterClickActionPrivate *priv =
+  ClutterClickActionPrivate *priv = action->priv;
-    clutter_click_action_get_instance_private (action);
   gboolean has_button = TRUE;
 
   if (!clutter_actor_meta_get_enabled (CLUTTER_ACTOR_META (action)))
@@ -348,8 +342,7 @@ on_captured_event (ClutterActor       *stage,
                    ClutterEvent       *event,
                    ClutterClickAction *action)
 {
-  ClutterClickActionPrivate *priv =
+  ClutterClickActionPrivate *priv = action->priv;
-    clutter_click_action_get_instance_private (action);
   ClutterActor *actor;
   ClutterModifierType modifier_state;
   gboolean has_button = TRUE;
@@ -441,8 +434,7 @@ clutter_click_action_set_actor (ClutterActorMeta *meta,
                                 ClutterActor     *actor)
 {
   ClutterClickAction *action = CLUTTER_CLICK_ACTION (meta);
-  ClutterClickActionPrivate *priv =
+  ClutterClickActionPrivate *priv = action->priv;
-    clutter_click_action_get_instance_private (action);
 
   if (priv->event_id != 0)
     {
@@ -496,8 +488,7 @@ clutter_click_action_set_property (GObject      *gobject,
                                    const GValue *value,
                                    GParamSpec   *pspec)
 {
-  ClutterClickActionPrivate *priv =
+  ClutterClickActionPrivate *priv = CLUTTER_CLICK_ACTION (gobject)->priv;
-    clutter_click_action_get_instance_private (CLUTTER_CLICK_ACTION (gobject));
 
   switch (prop_id)
     {
@@ -521,8 +512,7 @@ clutter_click_action_get_property (GObject    *gobject,
                                    GValue     *value,
                                    GParamSpec *pspec)
 {
-  ClutterClickActionPrivate *priv =
+  ClutterClickActionPrivate *priv = CLUTTER_CLICK_ACTION (gobject)->priv;
-    clutter_click_action_get_instance_private (CLUTTER_CLICK_ACTION (gobject));
 
   switch (prop_id)
     {
@@ -551,8 +541,7 @@ clutter_click_action_get_property (GObject    *gobject,
 static void
 clutter_click_action_dispose (GObject *gobject)
 {
-  ClutterClickActionPrivate *priv =
+  ClutterClickActionPrivate *priv = CLUTTER_CLICK_ACTION (gobject)->priv;
-    clutter_click_action_get_instance_private (CLUTTER_CLICK_ACTION (gobject));
 
   g_clear_signal_handler (&priv->event_id,
                           clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (gobject)));
@@ -710,11 +699,9 @@ clutter_click_action_class_init (ClutterClickActionClass *klass)
 static void
 clutter_click_action_init (ClutterClickAction *self)
 {
-  ClutterClickActionPrivate *priv =
+  self->priv = clutter_click_action_get_instance_private (self);
-    clutter_click_action_get_instance_private (self);
+  self->priv->long_press_threshold = -1;
-
+  self->priv->long_press_duration = -1;
-  priv->long_press_threshold = -1;
-  priv->long_press_duration = -1;
 }
 
 /**
@@ -754,7 +741,7 @@ clutter_click_action_release (ClutterClickAction *action)
 
   g_return_if_fail (CLUTTER_IS_CLICK_ACTION (action));
 
-  priv = clutter_click_action_get_instance_private (action);
+  priv = action->priv;
 
   if (!priv->is_held)
     return;
@@ -780,13 +767,9 @@ clutter_click_action_release (ClutterClickAction *action)
 guint
 clutter_click_action_get_button (ClutterClickAction *action)
 {
-  ClutterClickActionPrivate *priv;
-
   g_return_val_if_fail (CLUTTER_IS_CLICK_ACTION (action), 0);
 
-  priv = clutter_click_action_get_instance_private (action);
+  return action->priv->press_button;
-
-  return priv->press_button;
 }
 
 /**
@@ -802,13 +785,9 @@ clutter_click_action_get_button (ClutterClickAction *action)
 ClutterModifierType
 clutter_click_action_get_state (ClutterClickAction *action)
 {
-  ClutterClickActionPrivate *priv;
-
   g_return_val_if_fail (CLUTTER_IS_CLICK_ACTION (action), 0);
 
-  priv = clutter_click_action_get_instance_private (action);
+  return action->priv->modifier_state;
-
-  return priv->modifier_state;
 }
 
 /**
@@ -826,15 +805,11 @@ clutter_click_action_get_coords (ClutterClickAction *action,
                                  gfloat             *press_x,
                                  gfloat             *press_y)
 {
-  ClutterClickActionPrivate *priv;
-
   g_return_if_fail (CLUTTER_IS_ACTION (action));
 
-  priv = clutter_click_action_get_instance_private (action);
-
   if (press_x != NULL)
-    *press_x = priv->press_x;
+    *press_x = action->priv->press_x;
 
   if (press_y != NULL)
-    *press_y = priv->press_y;
+    *press_y = action->priv->press_y;
 }

clutter/clutter/clutter-click-action.h

@@ -37,13 +37,32 @@
 
 G_BEGIN_DECLS
 
-#define CLUTTER_TYPE_CLICK_ACTION (clutter_click_action_get_type ())
+#define CLUTTER_TYPE_CLICK_ACTION               (clutter_click_action_get_type ())
+#define CLUTTER_CLICK_ACTION(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_CLICK_ACTION, ClutterClickAction))
+#define CLUTTER_IS_CLICK_ACTION(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_CLICK_ACTION))
+#define CLUTTER_CLICK_ACTION_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_CLICK_ACTION, ClutterClickActionClass))
+#define CLUTTER_IS_CLICK_ACTION_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_CLICK_ACTION))
+#define CLUTTER_CLICK_ACTION_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_CLICK_ACTION, ClutterClickActionClass))
 
-CLUTTER_EXPORT
+typedef struct _ClutterClickAction              ClutterClickAction;
-G_DECLARE_DERIVABLE_TYPE (ClutterClickAction, clutter_click_action,
+typedef struct _ClutterClickActionPrivate       ClutterClickActionPrivate;
-                          CLUTTER, CLICK_ACTION, ClutterAction);
+typedef struct _ClutterClickActionClass         ClutterClickActionClass;
 
-typedef struct _ClutterClickActionPrivate ClutterClickActionPrivate;
+/**
+ * ClutterClickAction:
+ *
+ * The #ClutterClickAction structure contains
+ * only private data and should be accessed using the provided API
+ *
+ * Since: 1.4
+ */
+struct _ClutterClickAction
+{
+  /*< private >*/
+  ClutterAction parent_instance;
+
+  ClutterClickActionPrivate *priv;
+};
 
 /**
  * ClutterClickActionClass:
@@ -78,6 +97,9 @@ struct _ClutterClickActionClass
   void (* _clutter_click_action7) (void);
 };
 
+CLUTTER_EXPORT
+GType clutter_click_action_get_type (void) G_GNUC_CONST;
+
 CLUTTER_EXPORT
 ClutterAction *        clutter_click_action_new        (void);
 

clutter/clutter/clutter-clone.c

@@ -240,14 +240,15 @@ clutter_clone_has_overlaps (ClutterActor *actor)
 
 static void
 clutter_clone_allocate (ClutterActor           *self,
-                        const ClutterActorBox  *box)
+                        const ClutterActorBox  *box,
+                        ClutterAllocationFlags  flags)
 {
   ClutterClonePrivate *priv = CLUTTER_CLONE (self)->priv;
   ClutterActorClass *parent_class;
 
   /* chain up */
   parent_class = CLUTTER_ACTOR_CLASS (clutter_clone_parent_class);
-  parent_class->allocate (self, box);
+  parent_class->allocate (self, box, flags);
 
   if (priv->clone_source == NULL)
     return;
@@ -257,7 +258,7 @@ clutter_clone_allocate (ClutterActor           *self,
    */
   if (clutter_actor_get_parent (priv->clone_source) != NULL &&
       !clutter_actor_has_allocation (priv->clone_source))
-    clutter_actor_allocate_preferred_size (priv->clone_source);
+    clutter_actor_allocate_preferred_size (priv->clone_source, flags);
 
 #if 0
   /* XXX - this is wrong: ClutterClone cannot clone unparented
@@ -272,7 +273,7 @@ clutter_clone_allocate (ClutterActor           *self,
    * paint cycle, we can safely give it as much size as it requires
    */
   if (clutter_actor_get_parent (priv->clone_source) == NULL)
-    clutter_actor_allocate_preferred_size (priv->clone_source);
+    clutter_actor_allocate_preferred_size (priv->clone_source, flags);
 #endif
 }
 

clutter/clutter/clutter-damage-history.c

@@ -1,92 +0,0 @@
-/*
- * Copyright (C) 2007,2008,2009,2010,2011  Intel Corporation.
- * Copyright (C) 2020 Red Hat Inc
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "clutter-build-config.h"
-
-#include "clutter-damage-history.h"
-
-#define DAMAGE_HISTORY_LENGTH 0x10
-
-struct _ClutterDamageHistory
-{
-  cairo_region_t *damages[DAMAGE_HISTORY_LENGTH];
-  int index;
-};
-
-ClutterDamageHistory *
-clutter_damage_history_new (void)
-{
-  ClutterDamageHistory *history;
-
-  history = g_new0 (ClutterDamageHistory, 1);
-
-  return history;
-}
-
-void
-clutter_damage_history_free (ClutterDamageHistory *history)
-{
-  int i;
-
-  for (i = 0; i < G_N_ELEMENTS (history->damages); i++)
-    g_clear_pointer (&history->damages[i], cairo_region_destroy);
-
-  g_free (history);
-}
-
-gboolean
-clutter_damage_history_is_age_valid (ClutterDamageHistory *history,
-                                     int                   age)
-{
-  if (age >= DAMAGE_HISTORY_LENGTH ||
-      age < 1)
-    return FALSE;
-
-  if (!clutter_damage_history_lookup (history, age))
-    return FALSE;
-
-  return TRUE;
-}
-
-void
-clutter_damage_history_record (ClutterDamageHistory *history,
-                               const cairo_region_t *damage)
-{
-  g_clear_pointer (&history->damages[history->index], cairo_region_destroy);
-  history->damages[history->index] = cairo_region_copy (damage);
-}
-
-static inline int
-step_damage_index (int current,
-                   int diff)
-{
-  return (current + diff) & (DAMAGE_HISTORY_LENGTH - 1);
-}
-
-void
-clutter_damage_history_step (ClutterDamageHistory *history)
-{
-  history->index = step_damage_index (history->index, 1);
-}
-
-const cairo_region_t *
-clutter_damage_history_lookup (ClutterDamageHistory *history,
-                               int                   age)
-{
-  return history->damages[step_damage_index (history->index, -age)];
-}

clutter/clutter/clutter-damage-history.h

@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2007,2008,2009,2010,2011  Intel Corporation.
- * Copyright (C) 2020 Red Hat Inc
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef CLUTTER_DAMAGE_HISTORY_H
-#define CLUTTER_DAMAGE_HISTORY_H
-
-#include <cairo.h>
-#include <glib.h>
-
-typedef struct _ClutterDamageHistory ClutterDamageHistory;
-
-ClutterDamageHistory * clutter_damage_history_new (void);
-
-void clutter_damage_history_free (ClutterDamageHistory *history);
-
-gboolean clutter_damage_history_is_age_valid (ClutterDamageHistory *history,
-                                              int                   age);
-
-void clutter_damage_history_record (ClutterDamageHistory *history,
-                                    const cairo_region_t *damage);
-
-void clutter_damage_history_step (ClutterDamageHistory *history);
-
-const cairo_region_t * clutter_damage_history_lookup (ClutterDamageHistory *history,
-                                                      int                   age);
-
-#endif /* CLUTTER_DAMAGE_HISTORY_H */

clutter/clutter/clutter-deform-effect.c

@@ -128,9 +128,10 @@ clutter_deform_effect_deform_vertex (ClutterDeformEffect *effect,
 }
 
 static void
-vbo_invalidate (ClutterActor        *actor,
+vbo_invalidate (ClutterActor           *actor,
-                GParamSpec          *pspec,
+                const ClutterActorBox  *allocation,
-                ClutterDeformEffect *effect)
+                ClutterAllocationFlags  flags,
+                ClutterDeformEffect    *effect)
 {
   effect->priv->is_dirty = TRUE;
 }
@@ -155,7 +156,7 @@ clutter_deform_effect_set_actor (ClutterActorMeta *meta,
    * changes
    */
   if (actor != NULL)
-    priv->allocation_id = g_signal_connect (actor, "notify::allocation",
+    priv->allocation_id = g_signal_connect (actor, "allocation-changed",
                                             G_CALLBACK (vbo_invalidate),
                                             meta);
 

clutter/clutter/clutter-deprecated.h

@@ -4,11 +4,14 @@
 #define __CLUTTER_DEPRECATED_H_INSIDE__
 
 #include "deprecated/clutter-actor.h"
+#include "deprecated/clutter-alpha.h"
+#include "deprecated/clutter-animation.h"
 #include "deprecated/clutter-box.h"
 #include "deprecated/clutter-container.h"
 #include "deprecated/clutter-group.h"
 #include "deprecated/clutter-rectangle.h"
 #include "deprecated/clutter-stage.h"
+#include "deprecated/clutter-state.h"
 #include "deprecated/clutter-timeline.h"
 
 #undef __CLUTTER_DEPRECATED_H_INSIDE__

clutter/clutter/clutter-enums.h

@@ -190,7 +190,7 @@ typedef enum /*< prefix=CLUTTER_REQUEST >*/
  * @CLUTTER_ANIMATION_LAST: last animation mode, used as a guard for
  *   registered global alpha functions
  *
- * The animation modes used by #ClutterAnimatable. This
+ * The animation modes used by #ClutterAlpha and #ClutterAnimation. This
  * enumeration can be expanded in later versions of Clutter.
  *
  * <figure id="easing-modes">
@@ -554,6 +554,32 @@ typedef enum /*< prefix=CLUTTER_OFFSCREEN_REDIRECT >*/
   CLUTTER_OFFSCREEN_REDIRECT_ON_IDLE               = 1 << 2
 } ClutterOffscreenRedirect;
 
+/**
+ * ClutterAllocationFlags:
+ * @CLUTTER_ALLOCATION_NONE: No flag set
+ * @CLUTTER_ABSOLUTE_ORIGIN_CHANGED: Whether the absolute origin of the
+ *   actor has changed; this implies that any ancestor of the actor has
+ *   been moved.
+ * @CLUTTER_DELEGATE_LAYOUT: Whether the allocation should be delegated
+ *   to the #ClutterLayoutManager instance stored inside the
+ *   #ClutterActor:layout-manager property of #ClutterActor. This flag
+ *   should only be used if you are subclassing #ClutterActor and
+ *   overriding the #ClutterActorClass.allocate() virtual function, but
+ *   you wish to use the default implementation of the virtual function
+ *   inside #ClutterActor. Added in Clutter 1.10.
+ *
+ * Flags passed to the #ClutterActorClass.allocate() virtual function
+ * and to the clutter_actor_allocate() function.
+ *
+ * Since: 1.0
+ */
+typedef enum
+{
+  CLUTTER_ALLOCATION_NONE         = 0,
+  CLUTTER_ABSOLUTE_ORIGIN_CHANGED = 1 << 1,
+  CLUTTER_DELEGATE_LAYOUT         = 1 << 2
+} ClutterAllocationFlags;
+
 /**
  * ClutterAlignAxis:
  * @CLUTTER_ALIGN_X_AXIS: Maintain the alignment on the X axis

clutter/clutter/clutter-fixed-layout.c

@@ -131,7 +131,8 @@ clutter_fixed_layout_get_preferred_height (ClutterLayoutManager *manager,
 static void
 clutter_fixed_layout_allocate (ClutterLayoutManager   *manager,
                                ClutterContainer       *container,
-                               const ClutterActorBox  *allocation)
+                               const ClutterActorBox  *allocation,
+                               ClutterAllocationFlags  flags)
 {
   ClutterActor *child;
 
@@ -139,7 +140,7 @@ clutter_fixed_layout_allocate (ClutterLayoutManager   *manager,
        child != NULL;
        child = clutter_actor_get_next_sibling (child))
     {
-      clutter_actor_allocate_preferred_size (child);
+      clutter_actor_allocate_preferred_size (child, flags);
     }
 }
 

clutter/clutter/clutter-flow-layout.c

@@ -566,7 +566,8 @@ clutter_flow_layout_get_preferred_height (ClutterLayoutManager *manager,
 static void
 clutter_flow_layout_allocate (ClutterLayoutManager   *manager,
                               ClutterContainer       *container,
-                              const ClutterActorBox  *allocation)
+                              const ClutterActorBox  *allocation,
+                              ClutterAllocationFlags  flags)
 {
   ClutterFlowLayoutPrivate *priv = CLUTTER_FLOW_LAYOUT (manager)->priv;
   ClutterActor *actor, *child;
@@ -728,7 +729,7 @@ clutter_flow_layout_allocate (ClutterLayoutManager   *manager,
       child_alloc.y1 = ceil (item_y);
       child_alloc.x2 = ceil (child_alloc.x1 + item_width);
       child_alloc.y2 = ceil (child_alloc.y1 + item_height);
-      clutter_actor_allocate (child, &child_alloc);
+      clutter_actor_allocate (child, &child_alloc, flags);
 
       if (priv->orientation == CLUTTER_FLOW_HORIZONTAL)
         item_x = new_x;

clutter/clutter/clutter-gesture-action.c

@@ -157,8 +157,7 @@ G_DEFINE_TYPE_WITH_PRIVATE (ClutterGestureAction, clutter_gesture_action, CLUTTE
 static GesturePoint *
 gesture_register_point (ClutterGestureAction *action, ClutterEvent *event)
 {
-  ClutterGestureActionPrivate *priv =
+  ClutterGestureActionPrivate *priv = action->priv;
-    clutter_gesture_action_get_instance_private (action);
   GesturePoint *point = NULL;
 
   if (priv->points->len >= MAX_GESTURE_POINTS)
@@ -191,8 +190,7 @@ gesture_find_point (ClutterGestureAction *action,
                     ClutterEvent *event,
                     gint *position)
 {
-  ClutterGestureActionPrivate *priv =
+  ClutterGestureActionPrivate *priv = action->priv;
-    clutter_gesture_action_get_instance_private (action);
   GesturePoint *point = NULL;
   ClutterEventType type = clutter_event_type (event);
   ClutterInputDevice *device = clutter_event_get_device (event);
@@ -222,10 +220,9 @@ gesture_find_point (ClutterGestureAction *action,
 static void
 gesture_unregister_point (ClutterGestureAction *action, gint position)
 {
-  ClutterGestureActionPrivate *priv =
+  ClutterGestureActionPrivate *priv = action->priv;
-    clutter_gesture_action_get_instance_private (action);
 
-  if (priv->points->len == 0)
+  if (action->priv->points->len == 0)
     return;
 
   g_array_remove_index (priv->points, position);
@@ -306,8 +303,7 @@ gesture_point_unset (GesturePoint *point)
 static void
 cancel_gesture (ClutterGestureAction *action)
 {
-  ClutterGestureActionPrivate *priv =
+  ClutterGestureActionPrivate *priv = action->priv;
-    clutter_gesture_action_get_instance_private (action);
   ClutterActor *actor;
 
   priv->in_gesture = FALSE;
@@ -317,15 +313,14 @@ cancel_gesture (ClutterGestureAction *action)
   actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (action));
   g_signal_emit (action, gesture_signals[GESTURE_CANCEL], 0, actor);
 
-  g_array_set_size (priv->points, 0);
+  g_array_set_size (action->priv->points, 0);
 }
 
 static gboolean
 begin_gesture (ClutterGestureAction *action,
                ClutterActor         *actor)
 {
-  ClutterGestureActionPrivate *priv =
+  ClutterGestureActionPrivate *priv = action->priv;
-    clutter_gesture_action_get_instance_private (action);
   gboolean return_value;
 
   priv->in_gesture = TRUE;
@@ -358,8 +353,7 @@ stage_captured_event_cb (ClutterActor         *stage,
                          ClutterEvent         *event,
                          ClutterGestureAction *action)
 {
-  ClutterGestureActionPrivate *priv =
+  ClutterGestureActionPrivate *priv = action->priv;
-    clutter_gesture_action_get_instance_private (action);
   ClutterActor *actor;
   gint position;
   float threshold_x, threshold_y;
@@ -494,8 +488,7 @@ actor_captured_event_cb (ClutterActor *actor,
                          ClutterEvent *event,
                          ClutterGestureAction *action)
 {
-  ClutterGestureActionPrivate *priv =
+  ClutterGestureActionPrivate *priv = action->priv;
-    clutter_gesture_action_get_instance_private (action);
   GesturePoint *point G_GNUC_UNUSED;
 
   if ((clutter_event_type (event) != CLUTTER_BUTTON_PRESS) &&
@@ -529,8 +522,7 @@ static void
 clutter_gesture_action_set_actor (ClutterActorMeta *meta,
                                   ClutterActor     *actor)
 {
-  ClutterGestureActionPrivate *priv =
+  ClutterGestureActionPrivate *priv = CLUTTER_GESTURE_ACTION (meta)->priv;
-    clutter_gesture_action_get_instance_private (CLUTTER_GESTURE_ACTION (meta));
   ClutterActorMetaClass *meta_class =
     CLUTTER_ACTOR_META_CLASS (clutter_gesture_action_parent_class);
 
@@ -571,8 +563,7 @@ clutter_gesture_action_set_enabled (ClutterActorMeta *meta,
   ClutterActorMetaClass *meta_class =
     CLUTTER_ACTOR_META_CLASS (clutter_gesture_action_parent_class);
   ClutterGestureAction *gesture_action = CLUTTER_GESTURE_ACTION (meta);
-  ClutterGestureActionPrivate *priv =
+  ClutterGestureActionPrivate *priv = gesture_action->priv;
-    clutter_gesture_action_get_instance_private (gesture_action);
 
   if (!is_enabled && priv->in_gesture)
     cancel_gesture (gesture_action);
@@ -594,8 +585,6 @@ clutter_gesture_action_set_property (GObject      *gobject,
                                      GParamSpec   *pspec)
 {
   ClutterGestureAction *self = CLUTTER_GESTURE_ACTION (gobject);
-  ClutterGestureActionPrivate *priv =
-    clutter_gesture_action_get_instance_private (self);
 
   switch (prop_id)
     {
@@ -608,15 +597,11 @@ clutter_gesture_action_set_property (GObject      *gobject,
       break;
 
     case PROP_THRESHOLD_TRIGGER_DISTANCE_X:
-      clutter_gesture_action_set_threshold_trigger_distance (self,
+      clutter_gesture_action_set_threshold_trigger_distance (self, g_value_get_float (value), self->priv->distance_y);
-                                                             g_value_get_float (value),
-                                                             priv->distance_y);
       break;
 
     case PROP_THRESHOLD_TRIGGER_DISTANCE_Y:
-      clutter_gesture_action_set_threshold_trigger_distance (self,
+      clutter_gesture_action_set_threshold_trigger_distance (self, self->priv->distance_x, g_value_get_float (value));
-                                                             priv->distance_x,
-                                                             g_value_get_float (value));
       break;
 
     default:
@@ -631,29 +616,28 @@ clutter_gesture_action_get_property (GObject    *gobject,
                                      GValue     *value,
                                      GParamSpec *pspec)
 {
-  ClutterGestureActionPrivate *priv =
+  ClutterGestureAction *self = CLUTTER_GESTURE_ACTION (gobject);
-    clutter_gesture_action_get_instance_private (CLUTTER_GESTURE_ACTION (gobject));
 
   switch (prop_id)
     {
     case PROP_N_TOUCH_POINTS:
-      g_value_set_int (value, priv->requested_nb_points);
+      g_value_set_int (value, self->priv->requested_nb_points);
       break;
 
     case PROP_THRESHOLD_TRIGGER_EDGE:
-      g_value_set_enum (value, priv->edge);
+      g_value_set_enum (value, self->priv->edge);
       break;
 
     case PROP_THRESHOLD_TRIGGER_DISTANCE_X:
-      if (priv->distance_x > 0.0)
+      if (self->priv->distance_x > 0.0)
-        g_value_set_float (value, priv->distance_x);
+        g_value_set_float (value, self->priv->distance_x);
       else
         g_value_set_float (value, gesture_get_default_threshold ());
       break;
 
     case PROP_THRESHOLD_TRIGGER_DISTANCE_Y:
-      if (priv->distance_y > 0.0)
+      if (self->priv->distance_y > 0.0)
-        g_value_set_float (value, priv->distance_y);
+        g_value_set_float (value, self->priv->distance_y);
       else
         g_value_set_float (value, gesture_get_default_threshold ());
       break;
@@ -667,8 +651,7 @@ clutter_gesture_action_get_property (GObject    *gobject,
 static void
 clutter_gesture_action_finalize (GObject *gobject)
 {
-  ClutterGestureActionPrivate *priv =
+  ClutterGestureActionPrivate *priv = CLUTTER_GESTURE_ACTION (gobject)->priv;
-    clutter_gesture_action_get_instance_private (CLUTTER_GESTURE_ACTION (gobject));
 
   g_array_unref (priv->points);
 
@@ -860,14 +843,13 @@ clutter_gesture_action_class_init (ClutterGestureActionClass *klass)
 static void
 clutter_gesture_action_init (ClutterGestureAction *self)
 {
-  ClutterGestureActionPrivate *priv =
+  self->priv = clutter_gesture_action_get_instance_private (self);
-    clutter_gesture_action_get_instance_private (self);
 
-  priv->points = g_array_sized_new (FALSE, TRUE, sizeof (GesturePoint), 3);
+  self->priv->points = g_array_sized_new (FALSE, TRUE, sizeof (GesturePoint), 3);
-  g_array_set_clear_func (priv->points, (GDestroyNotify) gesture_point_unset);
+  g_array_set_clear_func (self->priv->points, (GDestroyNotify) gesture_point_unset);
 
-  priv->requested_nb_points = 1;
+  self->priv->requested_nb_points = 1;
-  priv->edge = CLUTTER_GESTURE_TRIGGER_EDGE_NONE;
+  self->priv->edge = CLUTTER_GESTURE_TRIGGER_EDGE_NONE;
 }
 
 /**
@@ -906,21 +888,16 @@ clutter_gesture_action_get_press_coords (ClutterGestureAction *action,
                                          gfloat               *press_x,
                                          gfloat               *press_y)
 {
-  ClutterGestureActionPrivate *priv;
-
   g_return_if_fail (CLUTTER_IS_GESTURE_ACTION (action));
-
+  g_return_if_fail (action->priv->points->len > point);
-  priv = clutter_gesture_action_get_instance_private (action);
-
-  g_return_if_fail (priv->points->len > point);
 
   if (press_x)
-    *press_x = g_array_index (priv->points,
+    *press_x = g_array_index (action->priv->points,
                               GesturePoint,
                               point).press_x;
 
   if (press_y)
-    *press_y = g_array_index (priv->points,
+    *press_y = g_array_index (action->priv->points,
                               GesturePoint,
                               point).press_y;
 }
@@ -946,21 +923,16 @@ clutter_gesture_action_get_motion_coords (ClutterGestureAction *action,
                                           gfloat               *motion_x,
                                           gfloat               *motion_y)
 {
-  ClutterGestureActionPrivate *priv;
-
   g_return_if_fail (CLUTTER_IS_GESTURE_ACTION (action));
-
+  g_return_if_fail (action->priv->points->len > point);
-  priv = clutter_gesture_action_get_instance_private (action);
-
-  g_return_if_fail (priv->points->len > point);
 
   if (motion_x)
-    *motion_x = g_array_index (priv->points,
+    *motion_x = g_array_index (action->priv->points,
                                GesturePoint,
                                point).last_motion_x;
 
   if (motion_y)
-    *motion_y = g_array_index (priv->points,
+    *motion_y = g_array_index (action->priv->points,
                                GesturePoint,
                                point).last_motion_y;
 }
@@ -988,19 +960,15 @@ clutter_gesture_action_get_motion_delta (ClutterGestureAction *action,
                                          gfloat               *delta_x,
                                          gfloat               *delta_y)
 {
-  ClutterGestureActionPrivate *priv;
   gfloat d_x, d_y;
 
   g_return_val_if_fail (CLUTTER_IS_GESTURE_ACTION (action), 0);
+  g_return_val_if_fail (action->priv->points->len > point, 0);
 
-  priv = clutter_gesture_action_get_instance_private (action);
+  d_x = g_array_index (action->priv->points,
-
-  g_return_val_if_fail (priv->points->len > point, 0);
-
-  d_x = g_array_index (priv->points,
                        GesturePoint,
                        point).last_delta_x;
-  d_y = g_array_index (priv->points,
+  d_y = g_array_index (action->priv->points,
                        GesturePoint,
                        point).last_delta_y;
 
@@ -1034,21 +1002,16 @@ clutter_gesture_action_get_release_coords (ClutterGestureAction *action,
                                            gfloat               *release_x,
                                            gfloat               *release_y)
 {
-  ClutterGestureActionPrivate *priv;
-
   g_return_if_fail (CLUTTER_IS_GESTURE_ACTION (action));
-
+  g_return_if_fail (action->priv->points->len > point);
-  priv = clutter_gesture_action_get_instance_private (action);
-
-  g_return_if_fail (priv->points->len > point);
 
   if (release_x)
-    *release_x = g_array_index (priv->points,
+    *release_x = g_array_index (action->priv->points,
                                 GesturePoint,
                                 point).release_x;
 
   if (release_y)
-    *release_y = g_array_index (priv->points,
+    *release_y = g_array_index (action->priv->points,
                                 GesturePoint,
                                 point).release_y;
 }
@@ -1074,20 +1037,16 @@ clutter_gesture_action_get_velocity (ClutterGestureAction *action,
                                      gfloat               *velocity_x,
                                      gfloat               *velocity_y)
 {
-  ClutterGestureActionPrivate *priv;
   gfloat d_x, d_y, distance, velocity;
   gint64 d_t;
 
   g_return_val_if_fail (CLUTTER_IS_GESTURE_ACTION (action), 0);
-
+  g_return_val_if_fail (action->priv->points->len > point, 0);
-  priv = clutter_gesture_action_get_instance_private (action);
-
-  g_return_val_if_fail (priv->points->len > point, 0);
 
   distance = clutter_gesture_action_get_motion_delta (action, point,
                                                       &d_x, &d_y);
 
-  d_t = g_array_index (priv->points,
+  d_t = g_array_index (action->priv->points,
                        GesturePoint,
                        point).last_delta_time;
 
@@ -1114,13 +1073,9 @@ clutter_gesture_action_get_velocity (ClutterGestureAction *action,
 gint
 clutter_gesture_action_get_n_touch_points (ClutterGestureAction *action)
 {
-  ClutterGestureActionPrivate *priv;
-
   g_return_val_if_fail (CLUTTER_IS_GESTURE_ACTION (action), 0);
 
-  priv = clutter_gesture_action_get_instance_private (action);
+  return action->priv->requested_nb_points;
-
-  return priv->requested_nb_points;
 }
 
 /**
@@ -1141,7 +1096,7 @@ clutter_gesture_action_set_n_touch_points (ClutterGestureAction *action,
   g_return_if_fail (CLUTTER_IS_GESTURE_ACTION (action));
   g_return_if_fail (nb_points >= 1);
 
-  priv = clutter_gesture_action_get_instance_private (action);
+  priv = action->priv;
 
   if (priv->requested_nb_points == nb_points)
     return;
@@ -1195,13 +1150,9 @@ clutter_gesture_action_set_n_touch_points (ClutterGestureAction *action,
 guint
 clutter_gesture_action_get_n_current_points (ClutterGestureAction *action)
 {
-  ClutterGestureActionPrivate *priv;
-
   g_return_val_if_fail (CLUTTER_IS_GESTURE_ACTION (action), 0);
 
-  priv = clutter_gesture_action_get_instance_private (action);
+  return action->priv->points->len;
-
-  return priv->points->len;
 }
 
 /**
@@ -1219,15 +1170,10 @@ ClutterEventSequence *
 clutter_gesture_action_get_sequence (ClutterGestureAction *action,
                                      guint                 point)
 {
-  ClutterGestureActionPrivate *priv;
-
   g_return_val_if_fail (CLUTTER_IS_GESTURE_ACTION (action), NULL);
+  g_return_val_if_fail (action->priv->points->len > point, NULL);
 
-  priv = clutter_gesture_action_get_instance_private (action);
+  return g_array_index (action->priv->points, GesturePoint, point).sequence;
-
-  g_return_val_if_fail (priv->points->len > point, NULL);
-
-  return g_array_index (priv->points, GesturePoint, point).sequence;
 }
 
 /**
@@ -1246,15 +1192,10 @@ ClutterInputDevice *
 clutter_gesture_action_get_device (ClutterGestureAction *action,
                                    guint                 point)
 {
-  ClutterGestureActionPrivate *priv;
-
   g_return_val_if_fail (CLUTTER_IS_GESTURE_ACTION (action), NULL);
+  g_return_val_if_fail (action->priv->points->len > point, NULL);
 
-  priv = clutter_gesture_action_get_instance_private (action);
+  return g_array_index (action->priv->points, GesturePoint, point).device;
-
-  g_return_val_if_fail (priv->points->len > point, NULL);
-
-  return g_array_index (priv->points, GesturePoint, point).device;
 }
 
 /**
@@ -1274,15 +1215,11 @@ clutter_gesture_action_get_last_event (ClutterGestureAction *action,
                                        guint                 point)
 {
   GesturePoint *gesture_point;
-  ClutterGestureActionPrivate *priv;
 
   g_return_val_if_fail (CLUTTER_IS_GESTURE_ACTION (action), NULL);
+  g_return_val_if_fail (action->priv->points->len > point, NULL);
 
-  priv = clutter_gesture_action_get_instance_private (action);
+  gesture_point = &g_array_index (action->priv->points, GesturePoint, point);
-
-  g_return_val_if_fail (priv->points->len > point, NULL);
-
-  gesture_point = &g_array_index (priv->points, GesturePoint, point);
 
   return gesture_point->last_event;
 }
@@ -1319,16 +1256,12 @@ void
 clutter_gesture_action_set_threshold_trigger_edge (ClutterGestureAction      *action,
                                                    ClutterGestureTriggerEdge  edge)
 {
-  ClutterGestureActionPrivate *priv;
-
   g_return_if_fail (CLUTTER_IS_GESTURE_ACTION (action));
 
-  priv = clutter_gesture_action_get_instance_private (action);
+  if (action->priv->edge == edge)
-
-  if (priv->edge == edge)
     return;
 
-  priv->edge = edge;
+  action->priv->edge = edge;
 
   g_object_notify_by_pspec (G_OBJECT (action), gesture_props[PROP_THRESHOLD_TRIGGER_EDGE]);
 }
@@ -1347,14 +1280,10 @@ clutter_gesture_action_set_threshold_trigger_edge (ClutterGestureAction      *ac
 ClutterGestureTriggerEdge
 clutter_gesture_action_get_threshold_trigger_edge (ClutterGestureAction *action)
 {
-  ClutterGestureActionPrivate *priv;
-
   g_return_val_if_fail (CLUTTER_IS_GESTURE_ACTION (action),
                         CLUTTER_GESTURE_TRIGGER_EDGE_NONE);
 
-  priv = clutter_gesture_action_get_instance_private (action);
+  return action->priv->edge;
-
-  return priv->edge;
 }
 
 /**
@@ -1394,21 +1323,17 @@ clutter_gesture_action_set_threshold_trigger_distance (ClutterGestureAction
                                                        float                      x,
                                                        float                      y)
 {
-  ClutterGestureActionPrivate *priv;
-
   g_return_if_fail (CLUTTER_IS_GESTURE_ACTION (action));
 
-  priv = clutter_gesture_action_get_instance_private (action);
+  if (fabsf (x - action->priv->distance_x) > FLOAT_EPSILON)
-
-  if (fabsf (x - priv->distance_x) > FLOAT_EPSILON)
     {
-      priv->distance_x = x;
+      action->priv->distance_x = x;
       g_object_notify_by_pspec (G_OBJECT (action), gesture_props[PROP_THRESHOLD_TRIGGER_DISTANCE_X]);
     }
 
-  if (fabsf (y - priv->distance_y) > FLOAT_EPSILON)
+  if (fabsf (y - action->priv->distance_y) > FLOAT_EPSILON)
     {
-      priv->distance_y = y;
+      action->priv->distance_y = y;
       g_object_notify_by_pspec (G_OBJECT (action), gesture_props[PROP_THRESHOLD_TRIGGER_DISTANCE_Y]);
     }
 }
@@ -1429,23 +1354,19 @@ clutter_gesture_action_get_threshold_trigger_distance (ClutterGestureAction *act
                                                        float                *x,
                                                        float                *y)
 {
-  ClutterGestureActionPrivate *priv;
-
   g_return_if_fail (CLUTTER_IS_GESTURE_ACTION (action));
 
-  priv = clutter_gesture_action_get_instance_private (action);
-
   if (x != NULL)
     {
-      if (priv->distance_x > 0.0)
+      if (action->priv->distance_x > 0.0)
-        *x = priv->distance_x;
+        *x = action->priv->distance_x;
       else
         *x = gesture_get_default_threshold ();
     }
   if (y != NULL)
     {
-      if (priv->distance_y > 0.0)
+      if (action->priv->distance_y > 0.0)
-        *y = priv->distance_y;
+        *y = action->priv->distance_y;
       else
         *y = gesture_get_default_threshold ();
     }

clutter/clutter/clutter-gesture-action.h

@@ -34,13 +34,32 @@
 
 G_BEGIN_DECLS
 
-#define CLUTTER_TYPE_GESTURE_ACTION (clutter_gesture_action_get_type ())
+#define CLUTTER_TYPE_GESTURE_ACTION               (clutter_gesture_action_get_type ())
+#define CLUTTER_GESTURE_ACTION(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_GESTURE_ACTION, ClutterGestureAction))
+#define CLUTTER_IS_GESTURE_ACTION(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_GESTURE_ACTION))
+#define CLUTTER_GESTURE_ACTION_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_GESTURE_ACTION, ClutterGestureActionClass))
+#define CLUTTER_IS_GESTURE_ACTION_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_GESTURE_ACTION))
+#define CLUTTER_GESTURE_ACTION_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_GESTURE_ACTION, ClutterGestureActionClass))
 
-CLUTTER_EXPORT
+typedef struct _ClutterGestureAction              ClutterGestureAction;
-G_DECLARE_DERIVABLE_TYPE (ClutterGestureAction, clutter_gesture_action,
+typedef struct _ClutterGestureActionPrivate       ClutterGestureActionPrivate;
-                          CLUTTER, GESTURE_ACTION, ClutterAction);
+typedef struct _ClutterGestureActionClass         ClutterGestureActionClass;
 
-typedef struct _ClutterGestureActionPrivate ClutterGestureActionPrivate;
+/**
+ * ClutterGestureAction:
+ *
+ * The #ClutterGestureAction structure contains
+ * only private data and should be accessed using the provided API
+ *
+ * Since: 1.8
+ */
+struct _ClutterGestureAction
+{
+  /*< private >*/
+  ClutterAction parent_instance;
+
+  ClutterGestureActionPrivate *priv;
+};
 
 /**
  * ClutterGestureActionClass:
@@ -82,6 +101,9 @@ struct _ClutterGestureActionClass
   void (* _clutter_gesture_action6) (void);
 };
 
+CLUTTER_EXPORT
+GType clutter_gesture_action_get_type (void) G_GNUC_CONST;
+
 CLUTTER_EXPORT
 ClutterAction *        clutter_gesture_action_new                      (void);
 

clutter/clutter/clutter-grid-layout.c

@@ -1391,7 +1391,8 @@ allocate_child (ClutterGridRequest *request,
 static void
 clutter_grid_layout_allocate (ClutterLayoutManager   *layout,
                               ClutterContainer       *container,
-                              const ClutterActorBox  *allocation)
+                              const ClutterActorBox  *allocation,
+                              ClutterAllocationFlags  flags)
 {
   ClutterGridLayout *self = CLUTTER_GRID_LAYOUT (layout);
   ClutterOrientation orientation;
@@ -1452,7 +1453,7 @@ clutter_grid_layout_allocate (ClutterLayoutManager   *layout,
       child_allocation.x2 = child_allocation.x1 + width;
       child_allocation.y2 = child_allocation.y1 + height;
 
-      clutter_actor_allocate (child, &child_allocation);
+      clutter_actor_allocate (child, &child_allocation, flags);
     }
 }
 

clutter/clutter/clutter-interval.c

@@ -37,6 +37,9 @@
  * any object taking a reference on a #ClutterInterval instance should
  * also take ownership of the interval by using g_object_ref_sink().
  *
+ * #ClutterInterval is used by #ClutterAnimation to define the
+ * interval of values that an implicit animation should tween over.
+ *
  * #ClutterInterval can be subclassed to override the validation
  * and value computation.
  *

clutter/clutter/clutter-layout-manager.c

@@ -136,6 +136,7 @@
 
 #define CLUTTER_DISABLE_DEPRECATION_WARNINGS
 #include "deprecated/clutter-container.h"
+#include "deprecated/clutter-alpha.h"
 
 #include "clutter-debug.h"
 #include "clutter-layout-manager.h"
@@ -163,6 +164,7 @@ G_DEFINE_ABSTRACT_TYPE (ClutterLayoutManager,
                         G_TYPE_INITIALLY_UNOWNED)
 
 static GQuark quark_layout_meta  = 0;
+static GQuark quark_layout_alpha = 0;
 
 static guint manager_signals[LAST_SIGNAL] = { 0, };
 
@@ -253,7 +255,8 @@ layout_manager_real_get_preferred_height (ClutterLayoutManager *manager,
 static void
 layout_manager_real_allocate (ClutterLayoutManager   *manager,
                               ClutterContainer       *container,
-                              const ClutterActorBox  *allocation)
+                              const ClutterActorBox  *allocation,
+                              ClutterAllocationFlags  flags)
 {
   LAYOUT_MANAGER_WARN_NOT_IMPLEMENTED (manager, "allocate");
 }
@@ -298,12 +301,96 @@ layout_manager_real_get_child_meta_type (ClutterLayoutManager *manager)
   return G_TYPE_INVALID;
 }
 
+/* XXX:2.0 - Remove */
+static ClutterAlpha *
+layout_manager_real_begin_animation (ClutterLayoutManager *manager,
+                                     guint                 duration,
+                                     gulong                mode)
+{
+  ClutterTimeline *timeline;
+  ClutterAlpha *alpha;
+
+  alpha = g_object_get_qdata (G_OBJECT (manager), quark_layout_alpha);
+  if (alpha != NULL)
+    {
+      clutter_alpha_set_mode (alpha, mode);
+
+      timeline = clutter_alpha_get_timeline (alpha);
+      clutter_timeline_set_duration (timeline, duration);
+      clutter_timeline_rewind (timeline);
+
+      return alpha;
+    };
+
+  timeline = clutter_timeline_new (duration);
+
+  alpha = clutter_alpha_new_full (timeline, mode);
+
+  /* let the alpha take ownership of the timeline */
+  g_object_unref (timeline);
+
+  g_signal_connect_swapped (timeline, "new-frame",
+                            G_CALLBACK (clutter_layout_manager_layout_changed),
+                            manager);
+
+  g_object_set_qdata_full (G_OBJECT (manager),
+                           quark_layout_alpha, alpha,
+                           (GDestroyNotify) g_object_unref);
+
+  clutter_timeline_start (timeline);
+
+  return alpha;
+}
+
+/* XXX:2.0 - Remove */
+static gdouble
+layout_manager_real_get_animation_progress (ClutterLayoutManager *manager)
+{
+  ClutterAlpha *alpha;
+
+  alpha = g_object_get_qdata (G_OBJECT (manager), quark_layout_alpha);
+  if (alpha == NULL)
+    return 1.0;
+
+  return clutter_alpha_get_alpha (alpha);
+}
+
+/* XXX:2.0 - Remove */
+static void
+layout_manager_real_end_animation (ClutterLayoutManager *manager)
+{
+  ClutterTimeline *timeline;
+  ClutterAlpha *alpha;
+
+  alpha = g_object_get_qdata (G_OBJECT (manager), quark_layout_alpha);
+  if (alpha == NULL)
+    return;
+
+  timeline = clutter_alpha_get_timeline (alpha);
+  g_assert (timeline != NULL);
+
+  if (clutter_timeline_is_playing (timeline))
+    clutter_timeline_stop (timeline);
+
+  g_signal_handlers_disconnect_by_func (timeline,
+                                        G_CALLBACK (clutter_layout_manager_layout_changed),
+                                        manager);
+
+  g_object_set_qdata (G_OBJECT (manager), quark_layout_alpha, NULL);
+
+  clutter_layout_manager_layout_changed (manager);
+}
+
 static void
 clutter_layout_manager_class_init (ClutterLayoutManagerClass *klass)
 {
   quark_layout_meta =
     g_quark_from_static_string ("clutter-layout-manager-child-meta");
 
+  /* XXX:2.0 - Remove */
+  quark_layout_alpha =
+    g_quark_from_static_string ("clutter-layout-manager-alpha");
+
   klass->get_preferred_width = layout_manager_real_get_preferred_width;
   klass->get_preferred_height = layout_manager_real_get_preferred_height;
   klass->allocate = layout_manager_real_allocate;
@@ -311,6 +398,9 @@ clutter_layout_manager_class_init (ClutterLayoutManagerClass *klass)
   klass->get_child_meta_type = layout_manager_real_get_child_meta_type;
 
   /* XXX:2.0 - Remove */
+  klass->begin_animation = layout_manager_real_begin_animation;
+  klass->get_animation_progress = layout_manager_real_get_animation_progress;
+  klass->end_animation = layout_manager_real_end_animation;
   klass->set_container = layout_manager_real_set_container;
 
   /**
@@ -433,6 +523,7 @@ clutter_layout_manager_get_preferred_height (ClutterLayoutManager *manager,
  * @container: the #ClutterContainer using @manager
  * @allocation: the #ClutterActorBox containing the allocated area
  *   of @container
+ * @flags: the allocation flags
  *
  * Allocates the children of @container given an area
  *
@@ -443,7 +534,8 @@ clutter_layout_manager_get_preferred_height (ClutterLayoutManager *manager,
 void
 clutter_layout_manager_allocate (ClutterLayoutManager   *manager,
                                  ClutterContainer       *container,
-                                 const ClutterActorBox  *allocation)
+                                 const ClutterActorBox  *allocation,
+                                 ClutterAllocationFlags  flags)
 {
   ClutterLayoutManagerClass *klass;
 
@@ -452,7 +544,7 @@ clutter_layout_manager_allocate (ClutterLayoutManager   *manager,
   g_return_if_fail (allocation != NULL);
 
   klass = CLUTTER_LAYOUT_MANAGER_GET_CLASS (manager);
-  klass->allocate (manager, container, allocation);
+  klass->allocate (manager, container, allocation, flags);
 }
 
 /**

clutter/clutter/clutter-layout-manager.h

@@ -115,7 +115,8 @@ struct _ClutterLayoutManagerClass
                                                  gfloat                 *nat_height_p);
   void               (* allocate)               (ClutterLayoutManager   *manager,
                                                  ClutterContainer       *container,
-                                                 const ClutterActorBox  *allocation);
+                                                 const ClutterActorBox  *allocation,
+                                                 ClutterAllocationFlags  flags);
 
   void               (* set_container)          (ClutterLayoutManager   *manager,
                                                  ClutterContainer       *container);
@@ -125,6 +126,15 @@ struct _ClutterLayoutManagerClass
                                                  ClutterContainer       *container,
                                                  ClutterActor           *actor);
 
+  /* deprecated */
+  ClutterAlpha *     (* begin_animation)        (ClutterLayoutManager   *manager,
+                                                 guint                   duration,
+                                                 gulong                  mode);
+  /* deprecated */
+  gdouble            (* get_animation_progress) (ClutterLayoutManager   *manager);
+  /* deprecated */
+  void               (* end_animation)          (ClutterLayoutManager   *manager);
+
   void               (* layout_changed)         (ClutterLayoutManager   *manager);
 
   /*< private >*/
@@ -157,7 +167,8 @@ void               clutter_layout_manager_get_preferred_height  (ClutterLayoutMa
 CLUTTER_EXPORT
 void               clutter_layout_manager_allocate              (ClutterLayoutManager   *manager,
                                                                  ClutterContainer       *container,
-                                                                 const ClutterActorBox  *allocation);
+                                                                 const ClutterActorBox  *allocation,
+                                                                 ClutterAllocationFlags  flags);
 
 CLUTTER_EXPORT
 void               clutter_layout_manager_set_container         (ClutterLayoutManager   *manager,

clutter/clutter/clutter-master-clock-default.c

@@ -199,7 +199,7 @@ master_clock_schedule_stage_updates (ClutterMasterClockDefault *master_clock)
   stages = clutter_stage_manager_peek_stages (stage_manager);
 
   for (l = stages; l != NULL; l = l->next)
-    clutter_stage_schedule_update (l->data);
+    _clutter_stage_schedule_update (l->data);
 }
 
 static GSList *
@@ -252,7 +252,7 @@ master_clock_reschedule_stage_updates (ClutterMasterClockDefault *master_clock,
       if (master_clock->timelines ||
           _clutter_stage_has_queued_events (l->data) ||
           _clutter_stage_needs_update (l->data))
-        clutter_stage_schedule_update (l->data);
+        _clutter_stage_schedule_update (l->data);
     }
 }
 

clutter/clutter/clutter-private.h

@@ -65,6 +65,7 @@ typedef struct _ClutterVertex4          ClutterVertex4;
 
 #define CLUTTER_ACTOR_IS_TOPLEVEL(a)            ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IS_TOPLEVEL) != FALSE)
 #define CLUTTER_ACTOR_IN_DESTRUCTION(a)         ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IN_DESTRUCTION) != FALSE)
+#define CLUTTER_ACTOR_IN_REPARENT(a)            ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IN_REPARENT) != FALSE)
 #define CLUTTER_ACTOR_IN_PAINT(a)               ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IN_PAINT) != FALSE)
 #define CLUTTER_ACTOR_IN_PICK(a)                ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IN_PICK) != FALSE)
 #define CLUTTER_ACTOR_IN_RELAYOUT(a)            ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IN_RELAYOUT) != FALSE)
@@ -98,6 +99,7 @@ typedef enum
 
   CLUTTER_IN_DESTRUCTION = 1 << 0,
   CLUTTER_IS_TOPLEVEL    = 1 << 1,
+  CLUTTER_IN_REPARENT    = 1 << 2,
   CLUTTER_IN_PREF_WIDTH  = 1 << 3,
   CLUTTER_IN_PREF_HEIGHT = 1 << 4,
 

clutter/clutter/clutter-script-parser.c

@@ -34,6 +34,7 @@
 
 #define CLUTTER_DISABLE_DEPRECATION_WARNINGS
 #include "deprecated/clutter-container.h"
+#include "deprecated/clutter-alpha.h"
 
 #include "clutter-actor.h"
 #include "clutter-debug.h"
@@ -798,6 +799,232 @@ parse_signals (ClutterScript *script,
   return retval;
 }
 
+static ClutterTimeline *
+construct_timeline (ClutterScript *script,
+                    JsonObject    *object)
+{
+  ClutterTimeline *retval = NULL;
+  ObjectInfo *oinfo;
+  GList *members, *l;
+
+  /* we fake an ObjectInfo so we can reuse clutter_script_construct_object()
+   * here; we do not save it inside the hash table, because if this had
+   * been a named object then we wouldn't have ended up here in the first
+   * place
+   */
+  oinfo = g_slice_new0 (ObjectInfo);
+  oinfo->gtype = CLUTTER_TYPE_TIMELINE;
+  oinfo->id = g_strdup ("dummy");
+
+  members = json_object_get_members (object);
+  for (l = members; l != NULL; l = l->next)
+    {
+      const gchar *name = l->data;
+      JsonNode *node = json_object_get_member (object, name);
+      PropertyInfo *pinfo = g_slice_new0 (PropertyInfo);
+
+      pinfo->name = g_strdelimit (g_strdup (name), G_STR_DELIMITERS, '-');
+      pinfo->node = json_node_copy (node);
+
+      oinfo->properties = g_list_prepend (oinfo->properties, pinfo);
+    }
+
+  g_list_free (members);
+
+  _clutter_script_construct_object (script, oinfo);
+  _clutter_script_apply_properties (script, oinfo);
+  retval = CLUTTER_TIMELINE (oinfo->object);
+
+  /* we transfer ownership to the alpha function, so we ref before
+   * destroying the ObjectInfo to avoid the timeline going away
+   */
+  g_object_ref (retval);
+  object_info_free (oinfo);
+
+  return retval;
+}
+
+/* define the names of the animation modes to match the ones
+ * that developers might be more accustomed to
+ */
+static const struct
+{
+  const gchar *name;
+  ClutterAnimationMode mode;
+} animation_modes[] = {
+  { "linear", CLUTTER_LINEAR },
+  { "easeInQuad", CLUTTER_EASE_IN_QUAD },
+  { "easeOutQuad", CLUTTER_EASE_OUT_QUAD },
+  { "easeInOutQuad", CLUTTER_EASE_IN_OUT_QUAD },
+  { "easeInCubic", CLUTTER_EASE_IN_CUBIC },
+  { "easeOutCubic", CLUTTER_EASE_OUT_CUBIC },
+  { "easeInOutCubic", CLUTTER_EASE_IN_OUT_CUBIC },
+  { "easeInQuart", CLUTTER_EASE_IN_QUART },
+  { "easeOutQuart", CLUTTER_EASE_OUT_QUART },
+  { "easeInOutQuart", CLUTTER_EASE_IN_OUT_QUART },
+  { "easeInQuint", CLUTTER_EASE_IN_QUINT },
+  { "easeOutQuint", CLUTTER_EASE_OUT_QUINT },
+  { "easeInOutQuint", CLUTTER_EASE_IN_OUT_QUINT },
+  { "easeInSine", CLUTTER_EASE_IN_SINE },
+  { "easeOutSine", CLUTTER_EASE_OUT_SINE },
+  { "easeInOutSine", CLUTTER_EASE_IN_OUT_SINE },
+  { "easeInExpo", CLUTTER_EASE_IN_EXPO },
+  { "easeOutExpo", CLUTTER_EASE_OUT_EXPO },
+  { "easeInOutExpo", CLUTTER_EASE_IN_OUT_EXPO },
+  { "easeInCirc", CLUTTER_EASE_IN_CIRC },
+  { "easeOutCirc", CLUTTER_EASE_OUT_CIRC },
+  { "easeInOutCirc", CLUTTER_EASE_IN_OUT_CIRC },
+  { "easeInElastic", CLUTTER_EASE_IN_ELASTIC },
+  { "easeOutElastic", CLUTTER_EASE_OUT_ELASTIC },
+  { "easeInOutElastic", CLUTTER_EASE_IN_OUT_ELASTIC },
+  { "easeInBack", CLUTTER_EASE_IN_BACK },
+  { "easeOutBack", CLUTTER_EASE_OUT_BACK },
+  { "easeInOutBack", CLUTTER_EASE_IN_OUT_BACK },
+  { "easeInBounce", CLUTTER_EASE_IN_BOUNCE },
+  { "easeOutBounce", CLUTTER_EASE_OUT_BOUNCE },
+  { "easeInOutBounce", CLUTTER_EASE_IN_OUT_BOUNCE },
+};
+
+static const gint n_animation_modes = G_N_ELEMENTS (animation_modes);
+
+gulong
+_clutter_script_resolve_animation_mode (JsonNode *node)
+{
+  gint i, res = CLUTTER_CUSTOM_MODE;
+
+  if (JSON_NODE_TYPE (node) != JSON_NODE_VALUE)
+    return CLUTTER_CUSTOM_MODE;
+
+  if (json_node_get_value_type (node) == G_TYPE_INT64)
+    return json_node_get_int (node);
+
+  if (json_node_get_value_type (node) == G_TYPE_STRING)
+    {
+      const gchar *name = json_node_get_string (node);
+
+      /* XXX - we might be able to optimize by changing the ordering
+       * of the animation_modes array, e.g.
+       *  - special casing linear
+       *  - tokenizing ('ease', 'In', 'Sine') and matching on token
+       *  - binary searching?
+       */
+      for (i = 0; i < n_animation_modes; i++)
+        {
+          if (strcmp (animation_modes[i].name, name) == 0)
+            return animation_modes[i].mode;
+        }
+
+      if (_clutter_script_enum_from_string (CLUTTER_TYPE_ANIMATION_MODE,
+                                            name,
+                                            &res))
+        return res;
+
+      g_warning ("Unable to find the animation mode '%s'", name);
+    }
+
+  return CLUTTER_CUSTOM_MODE;
+}
+
+static ClutterAlphaFunc
+resolve_alpha_func (const gchar *name)
+{
+  static GModule *module = NULL;
+  ClutterAlphaFunc func;
+
+  CLUTTER_NOTE (SCRIPT, "Looking up '%s' alpha function", name);
+
+  if (G_UNLIKELY (!module))
+    module = g_module_open (NULL, 0);
+
+  if (g_module_symbol (module, name, (gpointer) &func))
+    {
+      CLUTTER_NOTE (SCRIPT, "Found '%s' alpha function in the symbols table",
+                    name);
+      return func;
+    }
+
+  return NULL;
+}
+
+GObject *
+_clutter_script_parse_alpha (ClutterScript *script,
+                             JsonNode      *node)
+{
+  GObject *retval = NULL;
+  JsonObject *object;
+  ClutterTimeline *timeline = NULL;
+  ClutterAlphaFunc alpha_func = NULL;
+  ClutterAnimationMode mode = CLUTTER_CUSTOM_MODE;
+  JsonNode *val;
+  gboolean unref_timeline = FALSE;
+
+  if (JSON_NODE_TYPE (node) != JSON_NODE_OBJECT)
+    return NULL;
+
+  object = json_node_get_object (node);
+
+  val = json_object_get_member (object, "timeline");
+  if (val)
+    {
+      if (JSON_NODE_TYPE (val) == JSON_NODE_VALUE &&
+          json_node_get_string (val) != NULL)
+        {
+          const gchar *id_ = json_node_get_string (val);
+
+          timeline =
+            CLUTTER_TIMELINE (clutter_script_get_object (script, id_));
+        }
+      else if (JSON_NODE_TYPE (val) == JSON_NODE_OBJECT)
+        {
+          timeline = construct_timeline (script, json_node_get_object (val));
+          unref_timeline = TRUE;
+        }
+    }
+
+  val = json_object_get_member (object, "mode");
+  if (val != NULL)
+    mode = _clutter_script_resolve_animation_mode (val);
+
+  if (mode == CLUTTER_CUSTOM_MODE)
+    {
+      val = json_object_get_member (object, "function");
+      if (val && json_node_get_string (val) != NULL)
+        {
+          alpha_func = resolve_alpha_func (json_node_get_string (val));
+          if (!alpha_func)
+            {
+              g_warning ("Unable to find the function '%s' in the "
+                         "Clutter alpha functions or the symbols table",
+                         json_node_get_string (val));
+            }
+        }
+    }
+
+  CLUTTER_NOTE (SCRIPT, "Parsed alpha: %s timeline (%p) (mode:%d, func:%p)",
+                unref_timeline ? "implicit" : "explicit",
+                timeline ? timeline : 0x0,
+                mode != CLUTTER_CUSTOM_MODE ? mode : 0,
+                alpha_func ? alpha_func : 0x0);
+
+  retval = g_object_new (CLUTTER_TYPE_ALPHA, NULL);
+
+  if (mode != CLUTTER_CUSTOM_MODE)
+    clutter_alpha_set_mode (CLUTTER_ALPHA (retval), mode);
+
+  if (alpha_func != NULL)
+    clutter_alpha_set_func (CLUTTER_ALPHA (retval), alpha_func, NULL, NULL);
+
+  clutter_alpha_set_timeline (CLUTTER_ALPHA (retval), timeline);
+
+  /* if we created an implicit timeline, the Alpha has full ownership
+   * of it now, since it won't be accessible from ClutterScript
+   */
+  if (unref_timeline)
+    g_object_unref (timeline);
+
+  return retval;
+}
+
 static void
 clutter_script_parser_object_end (JsonParser *json_parser,
                                   JsonObject *object)

clutter/clutter/clutter-script-private.h

@@ -110,6 +110,8 @@ gboolean _clutter_script_parse_node        (ClutterScript *script,
 GType    _clutter_script_get_type_from_symbol (const gchar *symbol);
 GType    _clutter_script_get_type_from_class  (const gchar *name);
 
+gulong   _clutter_script_resolve_animation_mode (JsonNode *node);
+
 gboolean _clutter_script_enum_from_string  (GType          gtype,
                                             const gchar   *string,
                                             gint          *enum_value);
@@ -126,6 +128,8 @@ gboolean _clutter_script_parse_rect        (ClutterScript   *script,
 gboolean _clutter_script_parse_color       (ClutterScript   *script,
                                             JsonNode        *node,
                                             ClutterColor    *color);
+GObject *_clutter_script_parse_alpha       (ClutterScript   *script,
+                                            JsonNode        *node);
 gboolean _clutter_script_parse_point       (ClutterScript    *script,
                                             JsonNode         *node,
                                             graphene_point_t *point);

clutter/clutter/clutter-script.c

@@ -98,6 +98,49 @@
  * respectively) and the "object" string member for calling
  * g_signal_connect_object() instead of g_signal_connect().
  *
+ * Signals can also be directly attached to a specific state defined
+ * inside a #ClutterState instance, for instance:
+ *
+ * |[
+ *   ...
+ *   "signals" : [
+ *     {
+ *       "name" : "enter-event",
+ *       "states" : "button-states",
+ *       "target-state" : "hover"
+ *     },
+ *     {
+ *       "name" : "leave-event",
+ *       "states" : "button-states",
+ *       "target-state" : "base"
+ *     },
+ *     {
+ *       "name" : "button-press-event",
+ *       "states" : "button-states",
+ *       "target-state" : "active",
+ *     },
+ *     {
+ *       "name" : "key-press-event",
+ *       "states" : "button-states",
+ *       "target-state" : "key-focus",
+ *       "warp" : true
+ *     }
+ *   ],
+ *   ...
+ * ]|
+ *
+ * The "states" key defines the #ClutterState instance to be used to
+ * resolve the "target-state" key; it can be either a script id for a
+ * #ClutterState built by the same #ClutterScript instance, or to a
+ * #ClutterState built in code and associated to the #ClutterScript
+ * instance through the clutter_script_add_states() function. If no
+ * "states" key is present, then the default #ClutterState associated to
+ * the #ClutterScript instance will be used; the default #ClutterState
+ * can be set using clutter_script_add_states() using a %NULL name. The
+ * "warp" key can be used to warp to a specific state instead of
+ * animating to it. State changes on signal emission will not affect
+ * the signal emission chain.
+ *
  * Clutter reserves the following names, so classes defining properties
  * through the usual GObject registration process should avoid using these
  * names to avoid collisions:
@@ -141,7 +184,9 @@
 #include "clutter-private.h"
 #include "clutter-debug.h"
 
+#include "deprecated/clutter-alpha.h"
 #include "deprecated/clutter-container.h"
+#include "deprecated/clutter-state.h"
 
 enum
 {
@@ -165,6 +210,8 @@ struct _ClutterScriptPrivate
 
   ClutterScriptParser *parser;
 
+  GHashTable *states;
+
   gchar **search_paths;
 
   gchar *translation_domain;
@@ -217,6 +264,7 @@ signal_info_free (gpointer data)
       g_free (sinfo->name);
       g_free (sinfo->handler);
       g_free (sinfo->object);
+      g_free (sinfo->state);
       g_free (sinfo->target);
 
       g_slice_free (SignalInfo, sinfo);
@@ -271,6 +319,7 @@ clutter_script_finalize (GObject *gobject)
   g_hash_table_destroy (priv->objects);
   g_strfreev (priv->search_paths);
   g_free (priv->filename);
+  g_hash_table_destroy (priv->states);
   g_free (priv->translation_domain);
 
   G_OBJECT_CLASS (clutter_script_parent_class)->finalize (gobject);
@@ -405,6 +454,9 @@ clutter_script_init (ClutterScript *script)
   priv->objects = g_hash_table_new_full (g_str_hash, g_str_equal,
                                          NULL,
                                          object_info_free);
+  priv->states = g_hash_table_new_full (g_str_hash, g_str_equal,
+                                        g_free,
+                                        (GDestroyNotify) g_object_unref);
 }
 
 /**
@@ -920,12 +972,65 @@ clutter_script_connect_signals (ClutterScript *script,
   g_free (cd);
 }
 
+typedef struct {
+  ClutterState *state;
+  GObject *emitter;
+  gchar *target;
+  gulong signal_id;
+  gulong hook_id;
+  gboolean warp_to;
+} HookData;
+
 typedef struct {
   ClutterScript *script;
   ClutterScriptConnectFunc func;
   gpointer user_data;
 } SignalConnectData;
 
+static void
+hook_data_free (gpointer data)
+{
+  if (G_LIKELY (data != NULL))
+    {
+      HookData *hook_data = data;
+
+      g_free (hook_data->target);
+      g_slice_free (HookData, hook_data);
+    }
+}
+
+static gboolean
+clutter_script_state_change_hook (GSignalInvocationHint *ihint,
+                                  guint                  n_params,
+                                  const GValue          *params,
+                                  gpointer               user_data)
+{
+  HookData *hook_data = user_data;
+  GObject *emitter;
+
+  emitter = g_value_get_object (&params[0]);
+
+  if (emitter == hook_data->emitter)
+    {
+      if (hook_data->warp_to)
+        clutter_state_warp_to_state (hook_data->state, hook_data->target);
+      else
+        clutter_state_set_state (hook_data->state, hook_data->target);
+    }
+
+  return TRUE;
+}
+
+static void
+clutter_script_remove_state_change_hook (gpointer  user_data,
+                                         GObject  *object_p)
+{
+  HookData *hook_data = user_data;
+
+  g_signal_remove_emission_hook (hook_data->signal_id,
+                                 hook_data->hook_id);
+}
+
 static void
 connect_each_object (gpointer key,
                      gpointer value,
@@ -965,7 +1070,64 @@ connect_each_object (gpointer key,
         }
       else
         {
-          g_warn_if_reached ();
+          GObject *state_object = NULL;
+          const gchar *signal_name, *signal_detail;
+          gchar **components;
+          GQuark signal_quark;
+          guint signal_id;
+          HookData *hook_data;
+
+          if (sinfo->state == NULL)
+            state_object = (GObject *) clutter_script_get_states (script, NULL);
+          else
+            {
+              state_object = clutter_script_get_object (script, sinfo->state);
+              if (state_object == NULL)
+                state_object = (GObject *) clutter_script_get_states (script, sinfo->state);
+            }
+
+          if (state_object == NULL)
+            continue;
+
+          components = g_strsplit (sinfo->name, "::", 2);
+          if (g_strv_length (components) == 2)
+            {
+              signal_name = components[0];
+              signal_detail = components[1];
+            }
+          else
+            {
+              signal_name = components[0];
+              signal_detail = NULL;
+            }
+
+          signal_id = g_signal_lookup (signal_name, G_OBJECT_TYPE (object));
+          if (signal_id == 0)
+            {
+              g_strfreev (components);
+              continue;
+            }
+
+          if (signal_detail != NULL)
+            signal_quark = g_quark_from_string (signal_detail);
+          else
+            signal_quark = 0;
+
+          hook_data = g_slice_new (HookData);
+          hook_data->emitter = object;
+          hook_data->state = CLUTTER_STATE (state_object);
+          hook_data->target = g_strdup (sinfo->target);
+          hook_data->warp_to = sinfo->warp_to;
+          hook_data->signal_id = signal_id;
+          hook_data->hook_id =
+            g_signal_add_emission_hook (signal_id, signal_quark,
+                                        clutter_script_state_change_hook,
+                                        hook_data,
+                                        hook_data_free);
+
+          g_object_weak_ref (hook_data->emitter,
+                             clutter_script_remove_state_change_hook,
+                             hook_data);
         }
 
       signal_info_free (sinfo);
@@ -1190,6 +1352,72 @@ clutter_script_list_objects (ClutterScript *script)
   return retval;
 }
 
+/**
+ * clutter_script_add_states:
+ * @script: a #ClutterScript
+ * @name: (allow-none): a name for the @state, or %NULL to
+ *   set the default #ClutterState
+ * @state: a #ClutterState
+ *
+ * Associates a #ClutterState to the #ClutterScript instance using the given
+ * name.
+ *
+ * The #ClutterScript instance will use @state to resolve target states when
+ * connecting signal handlers.
+ *
+ * The #ClutterScript instance will take a reference on the #ClutterState
+ * passed to this function.
+ *
+ * Since: 1.8
+ *
+ * Deprecated: 1.12
+ */
+void
+clutter_script_add_states (ClutterScript *script,
+                           const gchar   *name,
+                           ClutterState  *state)
+{
+  g_return_if_fail (CLUTTER_IS_SCRIPT (script));
+  g_return_if_fail (CLUTTER_IS_STATE (state));
+
+  if (name == NULL || *name == '\0')
+    name = "__clutter_script_default_state";
+
+  g_hash_table_replace (script->priv->states,
+                        g_strdup (name),
+                        g_object_ref (state));
+}
+
+/**
+ * clutter_script_get_states:
+ * @script: a #ClutterScript
+ * @name: (allow-none): the name of the #ClutterState, or %NULL
+ *
+ * Retrieves the #ClutterState for the given @state_name.
+ *
+ * If @name is %NULL, this function will return the default
+ * #ClutterState instance.
+ *
+ * Return value: (transfer none): a pointer to the #ClutterState for the
+ *   given name. The #ClutterState is owned by the #ClutterScript instance
+ *   and it should not be unreferenced
+ *
+ * Since: 1.8
+ *
+ * Deprecated: 1.12
+ */
+ClutterState *
+clutter_script_get_states (ClutterScript *script,
+                           const gchar   *name)
+{
+  g_return_val_if_fail (CLUTTER_IS_SCRIPT (script), NULL);
+
+  if (name == NULL || *name == '\0')
+    name = "__clutter_script_default_state";
+
+  return g_hash_table_lookup (script->priv->states, name);
+}
+
 /**
  * clutter_script_set_translation_domain:
  * @script: a #ClutterScript

clutter/clutter/clutter-script.h

@@ -179,6 +179,15 @@ void            clutter_script_unmerge_objects          (ClutterScript
 CLUTTER_EXPORT
 void            clutter_script_ensure_objects           (ClutterScript             *script);
 
+CLUTTER_DEPRECATED
+void            clutter_script_add_states               (ClutterScript             *script,
+                                                         const gchar               *name,
+                                                         ClutterState              *state);
+
+CLUTTER_DEPRECATED
+ClutterState *  clutter_script_get_states               (ClutterScript             *script,
+                                                         const gchar               *name);
+
 CLUTTER_EXPORT
 void            clutter_script_connect_signals          (ClutterScript             *script,
                                                          gpointer                   user_data);

clutter/clutter/clutter-seat.c

@@ -682,6 +682,7 @@ clutter_seat_warp_pointer (ClutterSeat *seat,
  * requirements are fulfilled:
  *
  *  - A touchscreen is available
+ *  - No external keyboard is attached to the device
  *  - A tablet mode switch, if present, is enabled
  *
  * Returns: %TRUE if the device is a tablet that doesn't have an external

clutter/clutter/clutter-stage-private.h

@@ -50,6 +50,11 @@ ClutterStageWindow *_clutter_stage_get_window            (ClutterStage
 void                _clutter_stage_get_projection_matrix (ClutterStage          *stage,
                                                           CoglMatrix            *projection);
 void                _clutter_stage_dirty_projection      (ClutterStage          *stage);
+void                _clutter_stage_set_viewport          (ClutterStage          *stage,
+                                                          float                  x,
+                                                          float                  y,
+                                                          float                  width,
+                                                          float                  height);
 void                _clutter_stage_get_viewport          (ClutterStage          *stage,
                                                           float                 *x,
                                                           float                 *y,
@@ -69,6 +74,7 @@ void     _clutter_stage_queue_event                       (ClutterStage *stage,
 gboolean _clutter_stage_has_queued_events                 (ClutterStage *stage);
 void     _clutter_stage_process_queued_events             (ClutterStage *stage);
 void     _clutter_stage_update_input_devices              (ClutterStage *stage);
+void     _clutter_stage_schedule_update                   (ClutterStage *stage);
 gint64    _clutter_stage_get_update_time                  (ClutterStage *stage);
 void     _clutter_stage_clear_update_time                 (ClutterStage *stage);
 gboolean _clutter_stage_has_full_redraw_queued            (ClutterStage *stage);

clutter/clutter/clutter-stage-view-private.h

@@ -20,28 +20,17 @@
 
 #include "clutter/clutter-stage-view.h"
 
-void clutter_stage_view_after_paint (ClutterStageView *view,
+void clutter_stage_view_after_paint (ClutterStageView *view);
-                                     cairo_region_t   *redraw_clip);
-
-void clutter_stage_view_before_swap_buffer (ClutterStageView     *view,
-                                            const cairo_region_t *swap_region);
 
 gboolean clutter_stage_view_is_dirty_viewport (ClutterStageView *view);
 
-void clutter_stage_view_invalidate_viewport (ClutterStageView *view);
+void clutter_stage_view_set_dirty_viewport (ClutterStageView *view,
-
+                                            gboolean          dirty);
-void clutter_stage_view_set_viewport (ClutterStageView *view,
-                                      float             x,
-                                      float             y,
-                                      float             width,
-                                      float             height);
 
 gboolean clutter_stage_view_is_dirty_projection (ClutterStageView *view);
 
-void clutter_stage_view_invalidate_projection (ClutterStageView *view);
+void clutter_stage_view_set_dirty_projection (ClutterStageView *view,
-
+                                              gboolean          dirty);
-void clutter_stage_view_set_projection (ClutterStageView *view,
-                                        const CoglMatrix *matrix);
 
 void clutter_stage_view_add_redraw_clip (ClutterStageView            *view,
                                          const cairo_rectangle_int_t *clip);
@@ -56,10 +45,4 @@ cairo_region_t * clutter_stage_view_take_redraw_clip (ClutterStageView *view);
 
 CoglScanout * clutter_stage_view_take_scanout (ClutterStageView *view);
 
-void clutter_stage_view_transform_rect_to_onscreen (ClutterStageView            *view,
-                                                    const cairo_rectangle_int_t *src_rect,
-                                                    int                          dst_width,
-                                                    int                          dst_height,
-                                                    cairo_rectangle_int_t       *dst_rect);
-
 #endif /* __CLUTTER_STAGE_VIEW_PRIVATE_H__ */

clutter/clutter/clutter-stage-view.c

@@ -23,7 +23,6 @@
 #include <cairo-gobject.h>
 #include <math.h>
 
-#include "clutter/clutter-damage-history.h"
 #include "clutter/clutter-private.h"
 #include "clutter/clutter-mutter.h"
 #include "cogl/cogl.h"
@@ -32,11 +31,10 @@ enum
 {
   PROP_0,
 
-  PROP_NAME,
   PROP_LAYOUT,
   PROP_FRAMEBUFFER,
   PROP_OFFSCREEN,
-  PROP_USE_SHADOWFB,
+  PROP_SHADOWFB,
   PROP_SCALE,
 
   PROP_LAST
@@ -46,8 +44,6 @@ static GParamSpec *obj_props[PROP_LAST];
 
 typedef struct _ClutterStageViewPrivate
 {
-  char *name;
-
   cairo_rectangle_int_t layout;
   float scale;
   CoglFramebuffer *framebuffer;
@@ -55,16 +51,8 @@ typedef struct _ClutterStageViewPrivate
   CoglOffscreen *offscreen;
   CoglPipeline *offscreen_pipeline;
 
-  gboolean use_shadowfb;
+  CoglOffscreen *shadowfb;
-  struct {
+  CoglPipeline *shadowfb_pipeline;
-    struct {
-      CoglDmaBufHandle *handles[2];
-      int current_idx;
-      ClutterDamageHistory *damage_history;
-    } dma_buf;
-
-    CoglOffscreen *framebuffer;
-  } shadow;
 
   CoglScanout *next_scanout;
 
@@ -103,8 +91,8 @@ clutter_stage_view_get_framebuffer (ClutterStageView *view)
 
   if (priv->offscreen)
     return priv->offscreen;
-  else if (priv->shadow.framebuffer)
+  else if (priv->shadowfb)
-    return priv->shadow.framebuffer;
+    return priv->shadowfb;
   else
     return priv->framebuffer;
 }
@@ -164,6 +152,19 @@ clutter_stage_view_ensure_offscreen_blit_pipeline (ClutterStageView *view)
     view_class->setup_offscreen_blit_pipeline (view, priv->offscreen_pipeline);
 }
 
+static void
+clutter_stage_view_ensure_shadowfb_blit_pipeline (ClutterStageView *view)
+{
+  ClutterStageViewPrivate *priv =
+    clutter_stage_view_get_instance_private (view);
+
+  if (priv->shadowfb_pipeline)
+    return;
+
+  priv->shadowfb_pipeline =
+    clutter_stage_view_create_framebuffer_pipeline (priv->shadowfb);
+}
+
 void
 clutter_stage_view_invalidate_offscreen_blit_pipeline (ClutterStageView *view)
 {
@@ -173,563 +174,85 @@ clutter_stage_view_invalidate_offscreen_blit_pipeline (ClutterStageView *view)
   g_clear_pointer (&priv->offscreen_pipeline, cogl_object_unref);
 }
 
-void
-clutter_stage_view_transform_rect_to_onscreen (ClutterStageView            *view,
-                                               const cairo_rectangle_int_t *src_rect,
-                                               int                          dst_width,
-                                               int                          dst_height,
-                                               cairo_rectangle_int_t       *dst_rect)
-{
-  ClutterStageViewClass *view_class = CLUTTER_STAGE_VIEW_GET_CLASS (view);
-
-  return view_class->transform_rect_to_onscreen (view,
-                                                 src_rect,
-                                                 dst_width,
-                                                 dst_height,
-                                                 dst_rect);
-}
-
 static void
-paint_transformed_framebuffer (ClutterStageView     *view,
+clutter_stage_view_copy_to_framebuffer (ClutterStageView *view,
-                               CoglPipeline         *pipeline,
+                                        CoglPipeline     *pipeline,
-                               CoglFramebuffer      *src_framebuffer,
+                                        CoglFramebuffer  *src_framebuffer,
-                               CoglFramebuffer      *dst_framebuffer,
+                                        CoglFramebuffer  *dst_framebuffer,
-                               const cairo_region_t *redraw_clip)
+                                        gboolean          can_blit)
 {
   CoglMatrix matrix;
-  unsigned int n_rectangles, i;
-  int dst_width, dst_height;
-  cairo_rectangle_int_t view_layout;
-  cairo_rectangle_int_t onscreen_layout;
-  float view_scale;
-  float *coordinates;
 
-  dst_width = cogl_framebuffer_get_width (dst_framebuffer);
+  /* First, try with blit */
-  dst_height = cogl_framebuffer_get_height (dst_framebuffer);
+  if (can_blit)
-  clutter_stage_view_get_layout (view, &view_layout);
+    {
-  clutter_stage_view_transform_rect_to_onscreen (view,
+      if (cogl_blit_framebuffer (src_framebuffer,
-                                                 &(cairo_rectangle_int_t) {
+                                 dst_framebuffer,
-                                                   .width = view_layout.width,
+                                 0, 0,
-                                                   .height = view_layout.height,
+                                 0, 0,
-                                                 },
+                                 cogl_framebuffer_get_width (dst_framebuffer),
-                                                 view_layout.width,
+                                 cogl_framebuffer_get_height (dst_framebuffer),
-                                                 view_layout.height,
+                                 NULL))
-                                                 &onscreen_layout);
+        return;
-  view_scale = clutter_stage_view_get_scale (view);
+    }
 
+  /* If blit fails, fallback to the slower painting method */
   cogl_framebuffer_push_matrix (dst_framebuffer);
 
   cogl_matrix_init_identity (&matrix);
-  cogl_matrix_scale (&matrix,
+  cogl_matrix_translate (&matrix, -1, 1, 0);
-                     1.0 / (dst_width / 2.0),
+  cogl_matrix_scale (&matrix, 2, -2, 0);
-                     -1.0 / (dst_height / 2.0), 0);
-  cogl_matrix_translate (&matrix,
-                         -(dst_width / 2.0),
-                         -(dst_height / 2.0), 0);
   cogl_framebuffer_set_projection_matrix (dst_framebuffer, &matrix);
-  cogl_framebuffer_set_viewport (dst_framebuffer,
-                                 0, 0, dst_width, dst_height);
 
-  n_rectangles = cairo_region_num_rectangles (redraw_clip);
+  cogl_framebuffer_draw_rectangle (dst_framebuffer,
-  coordinates = g_newa (float, 2 * 4 * n_rectangles);
+                                   pipeline,
-
+                                   0, 0, 1, 1);
-  for (i = 0; i < n_rectangles; i++)
-    {
-      cairo_rectangle_int_t src_rect;
-      cairo_rectangle_int_t dst_rect;
-
-      cairo_region_get_rectangle (redraw_clip, i, &src_rect);
-      _clutter_util_rectangle_offset (&src_rect,
-                                      -view_layout.x,
-                                      -view_layout.y,
-                                      &src_rect);
-
-      clutter_stage_view_transform_rect_to_onscreen (view,
-                                                     &src_rect,
-                                                     onscreen_layout.width,
-                                                     onscreen_layout.height,
-                                                     &dst_rect);
-
-      coordinates[i * 8 + 0] = (float) dst_rect.x * view_scale;
-      coordinates[i * 8 + 1] = (float) dst_rect.y * view_scale;
-      coordinates[i * 8 + 2] = ((float) (dst_rect.x + dst_rect.width) *
-                                view_scale);
-      coordinates[i * 8 + 3] = ((float) (dst_rect.y + dst_rect.height) *
-                                view_scale);
-
-      coordinates[i * 8 + 4] = (((float) dst_rect.x / (float) dst_width) *
-                                view_scale);
-      coordinates[i * 8 + 5] = (((float) dst_rect.y / (float) dst_height) *
-                                view_scale);
-      coordinates[i * 8 + 6] = ((float) (dst_rect.x + dst_rect.width) /
-                                (float) dst_width) * view_scale;
-      coordinates[i * 8 + 7] = ((float) (dst_rect.y + dst_rect.height) /
-                                (float) dst_height) * view_scale;
-    }
-
-  cogl_framebuffer_draw_textured_rectangles (dst_framebuffer,
-                                             pipeline,
-                                             coordinates,
-                                             n_rectangles);
 
   cogl_framebuffer_pop_matrix (dst_framebuffer);
 }
 
-static gboolean
-is_shadowfb_double_buffered (ClutterStageView *view)
-{
-  ClutterStageViewPrivate *priv =
-    clutter_stage_view_get_instance_private (view);
-
-  return priv->shadow.dma_buf.handles[0] && priv->shadow.dma_buf.handles[1];
-}
-
-static gboolean
-init_dma_buf_shadowfbs (ClutterStageView  *view,
-                        CoglContext       *cogl_context,
-                        int                width,
-                        int                height,
-                        GError           **error)
-{
-  ClutterStageViewPrivate *priv =
-    clutter_stage_view_get_instance_private (view);
-  CoglRenderer *cogl_renderer = cogl_context_get_renderer (cogl_context);
-  CoglFramebuffer *initial_shadowfb;
-
-  if (!cogl_clutter_winsys_has_feature (COGL_WINSYS_FEATURE_BUFFER_AGE))
-    {
-      g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
-                   "Buffer age not supported");
-      return FALSE;
-    }
-
-  if (!cogl_is_onscreen (priv->framebuffer))
-    {
-      g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
-                   "Tried to use shadow buffer without onscreen");
-      return FALSE;
-    }
-
-  priv->shadow.dma_buf.handles[0] = cogl_renderer_create_dma_buf (cogl_renderer,
-                                                                  width, height,
-                                                                  error);
-  if (!priv->shadow.dma_buf.handles[0])
-    return FALSE;
-
-  priv->shadow.dma_buf.handles[1] = cogl_renderer_create_dma_buf (cogl_renderer,
-                                                                  width, height,
-                                                                  error);
-  if (!priv->shadow.dma_buf.handles[1])
-    {
-      g_clear_pointer (&priv->shadow.dma_buf.handles[0],
-                       cogl_dma_buf_handle_free);
-      return FALSE;
-    }
-
-  priv->shadow.dma_buf.damage_history = clutter_damage_history_new ();
-
-  initial_shadowfb =
-    cogl_dma_buf_handle_get_framebuffer (priv->shadow.dma_buf.handles[0]);
-  priv->shadow.framebuffer = cogl_object_ref (initial_shadowfb);
-
-  return TRUE;
-}
-
-static CoglOffscreen *
-create_offscreen_framebuffer (CoglContext  *context,
-                              int           width,
-                              int           height,
-                              GError      **error)
-{
-  CoglOffscreen *framebuffer;
-  CoglTexture2D *texture;
-
-  texture = cogl_texture_2d_new_with_size (context, width, height);
-  cogl_primitive_texture_set_auto_mipmap (COGL_PRIMITIVE_TEXTURE (texture),
-                                          FALSE);
-
-  if (!cogl_texture_allocate (COGL_TEXTURE (texture), error))
-    {
-      cogl_object_unref (texture);
-      return FALSE;
-    }
-
-  framebuffer = cogl_offscreen_new_with_texture (COGL_TEXTURE (texture));
-  cogl_object_unref (texture);
-  if (!cogl_framebuffer_allocate (COGL_FRAMEBUFFER (framebuffer), error))
-    {
-      cogl_object_unref (framebuffer);
-      return FALSE;
-    }
-
-  return framebuffer;
-}
-
-static gboolean
-init_fallback_shadowfb (ClutterStageView  *view,
-                        CoglContext       *cogl_context,
-                        int                width,
-                        int                height,
-                        GError           **error)
-{
-  ClutterStageViewPrivate *priv =
-    clutter_stage_view_get_instance_private (view);
-  CoglOffscreen *offscreen;
-
-  offscreen = create_offscreen_framebuffer (cogl_context, width, height, error);
-  if (!offscreen)
-    return FALSE;
-
-  priv->shadow.framebuffer = offscreen;
-  return TRUE;
-}
-
-static void
-init_shadowfb (ClutterStageView *view)
-{
-  ClutterStageViewPrivate *priv =
-    clutter_stage_view_get_instance_private (view);
-  g_autoptr (GError) error = NULL;
-  int width;
-  int height;
-  CoglContext *cogl_context;
-
-  width = cogl_framebuffer_get_width (priv->framebuffer);
-  height = cogl_framebuffer_get_height (priv->framebuffer);
-  cogl_context = cogl_framebuffer_get_context (priv->framebuffer);
-
-  if (init_dma_buf_shadowfbs (view, cogl_context, width, height, &error))
-    {
-      g_message ("Initialized double buffered shadow fb for %s", priv->name);
-      return;
-    }
-
-  g_warning ("Failed to initialize double buffered shadow fb for %s: %s",
-             priv->name, error->message);
-  g_clear_error (&error);
-
-  if (!init_fallback_shadowfb (view, cogl_context, width, height, &error))
-    {
-      g_warning ("Failed to initialize single buffered shadow fb for %s: %s",
-                 priv->name, error->message);
-    }
-  else
-    {
-      g_message ("Initialized single buffered shadow fb for %s", priv->name);
-    }
-}
-
 void
-clutter_stage_view_after_paint (ClutterStageView *view,
+clutter_stage_view_after_paint (ClutterStageView *view)
-                                cairo_region_t   *redraw_clip)
 {
   ClutterStageViewPrivate *priv =
     clutter_stage_view_get_instance_private (view);
 
   if (priv->offscreen)
     {
+      gboolean can_blit;
+      CoglMatrix matrix;
+
       clutter_stage_view_ensure_offscreen_blit_pipeline (view);
+      clutter_stage_view_get_offscreen_transformation_matrix (view, &matrix);
+      can_blit = cogl_matrix_is_identity (&matrix);
 
-      if (priv->shadow.framebuffer)
+      if (priv->shadowfb)
         {
-          paint_transformed_framebuffer (view,
+          clutter_stage_view_copy_to_framebuffer (view,
-                                         priv->offscreen_pipeline,
+                                                  priv->offscreen_pipeline,
-                                         priv->offscreen,
+                                                  priv->offscreen,
-                                         priv->shadow.framebuffer,
+                                                  priv->shadowfb,
-                                         redraw_clip);
+                                                  can_blit);
         }
       else
         {
-          paint_transformed_framebuffer (view,
+          clutter_stage_view_copy_to_framebuffer (view,
-                                         priv->offscreen_pipeline,
+                                                  priv->offscreen_pipeline,
-                                         priv->offscreen,
+                                                  priv->offscreen,
-                                         priv->framebuffer,
+                                                  priv->framebuffer,
-                                         redraw_clip);
+                                                  can_blit);
-        }
-    }
-}
-
-static gboolean
-is_tile_dirty (cairo_rectangle_int_t *tile,
-               uint8_t               *current_data,
-               uint8_t               *prev_data,
-               int                    bpp,
-               int                    stride)
-{
-  int y;
-
-  for (y = tile->y; y < tile->y + tile->height; y++)
-    {
-      if (memcmp (prev_data + y * stride + tile->x * bpp,
-                  current_data + y * stride + tile->x * bpp,
-                  tile->width * bpp) != 0)
-        return TRUE;
-    }
-
-  return FALSE;
-}
-
-static int
-flip_dma_buf_idx (int idx)
-{
-  return (idx + 1) % 2;
-}
-
-static cairo_region_t *
-find_damaged_tiles (ClutterStageView      *view,
-                    const cairo_region_t  *damage_region,
-                    GError               **error)
-{
-  ClutterStageViewPrivate *priv =
-    clutter_stage_view_get_instance_private (view);
-  cairo_region_t *tile_damage_region;
-  cairo_rectangle_int_t damage_extents;
-  cairo_rectangle_int_t fb_rect;
-  int prev_dma_buf_idx;
-  CoglDmaBufHandle *prev_dma_buf_handle;
-  uint8_t *prev_data;
-  int current_dma_buf_idx;
-  CoglDmaBufHandle *current_dma_buf_handle;
-  uint8_t *current_data;
-  int width, height, stride, bpp;
-  int tile_x_min, tile_x_max;
-  int tile_y_min, tile_y_max;
-  int tile_x, tile_y;
-  const int tile_size = 16;
-
-  prev_dma_buf_idx = flip_dma_buf_idx (priv->shadow.dma_buf.current_idx);
-  prev_dma_buf_handle = priv->shadow.dma_buf.handles[prev_dma_buf_idx];
-
-  current_dma_buf_idx = priv->shadow.dma_buf.current_idx;
-  current_dma_buf_handle = priv->shadow.dma_buf.handles[current_dma_buf_idx];
-
-  width = cogl_dma_buf_handle_get_width (current_dma_buf_handle);
-  height = cogl_dma_buf_handle_get_height (current_dma_buf_handle);
-  stride = cogl_dma_buf_handle_get_stride (current_dma_buf_handle);
-  bpp = cogl_dma_buf_handle_get_bpp (current_dma_buf_handle);
-
-  cogl_framebuffer_finish (priv->shadow.framebuffer);
-
-  if (!cogl_dma_buf_handle_sync_read_start (prev_dma_buf_handle, error))
-    return NULL;
-
-  if (!cogl_dma_buf_handle_sync_read_start (current_dma_buf_handle, error))
-    goto err_sync_read_current;
-
-  prev_data = cogl_dma_buf_handle_mmap (prev_dma_buf_handle, error);
-  if (!prev_data)
-    goto err_mmap_prev;
-  current_data = cogl_dma_buf_handle_mmap (current_dma_buf_handle, error);
-  if (!current_data)
-    goto err_mmap_current;
-
-  fb_rect = (cairo_rectangle_int_t) {
-    .width = width,
-    .height = height,
-  };
-
-  cairo_region_get_extents (damage_region, &damage_extents);
-
-  tile_x_min = damage_extents.x / tile_size;
-  tile_x_max = ((damage_extents.x + damage_extents.width + tile_size - 1) /
-                tile_size);
-  tile_y_min = damage_extents.y / tile_size;
-  tile_y_max = ((damage_extents.y + damage_extents.height + tile_size - 1) /
-                tile_size);
-
-  tile_damage_region = cairo_region_create ();
-
-  for (tile_y = tile_y_min; tile_y <= tile_y_max; tile_y++)
-    {
-      for (tile_x = tile_x_min; tile_x <= tile_x_max; tile_x++)
-        {
-          cairo_rectangle_int_t tile = {
-            .x = tile_x * tile_size,
-            .y = tile_y * tile_size,
-            .width = tile_size,
-            .height = tile_size,
-          };
-
-          if (cairo_region_contains_rectangle (damage_region, &tile) ==
-              CAIRO_REGION_OVERLAP_OUT)
-            continue;
-
-          _clutter_util_rectangle_intersection (&tile, &fb_rect, &tile);
-
-          if (is_tile_dirty (&tile, current_data, prev_data, bpp, stride))
-            cairo_region_union_rectangle (tile_damage_region, &tile);
         }
     }
 
-  if (!cogl_dma_buf_handle_sync_read_end (prev_dma_buf_handle, error))
+  if (priv->shadowfb)
     {
-      g_warning ("Failed to end DMA buffer read synchronization: %s",
+      clutter_stage_view_ensure_shadowfb_blit_pipeline (view);
-                 (*error)->message);
+      clutter_stage_view_copy_to_framebuffer (view,
-      g_clear_error (error);
+                                              priv->shadowfb_pipeline,
+                                              priv->shadowfb,
+                                              priv->framebuffer,
+                                              TRUE);
     }
-
-  if (!cogl_dma_buf_handle_sync_read_end (current_dma_buf_handle, error))
-    {
-      g_warning ("Failed to end DMA buffer read synchronization: %s",
-                 (*error)->message);
-      g_clear_error (error);
-    }
-
-  cogl_dma_buf_handle_munmap (prev_dma_buf_handle, prev_data, NULL);
-  cogl_dma_buf_handle_munmap (current_dma_buf_handle, current_data, NULL);
-
-  cairo_region_intersect (tile_damage_region, damage_region);
-
-  return tile_damage_region;
-
-err_mmap_current:
-  cogl_dma_buf_handle_munmap (prev_dma_buf_handle, prev_data, NULL);
-
-err_mmap_prev:
-  cogl_dma_buf_handle_sync_read_end (current_dma_buf_handle, NULL);
-
-err_sync_read_current:
-  cogl_dma_buf_handle_sync_read_end (prev_dma_buf_handle, NULL);
-
-  return NULL;
-}
-
-static void
-swap_dma_buf_framebuffer (ClutterStageView *view)
-{
-  ClutterStageViewPrivate *priv =
-    clutter_stage_view_get_instance_private (view);
-  int next_idx;
-  CoglDmaBufHandle *next_dma_buf_handle;
-  CoglOffscreen *next_framebuffer;
-
-  next_idx = ((priv->shadow.dma_buf.current_idx + 1) %
-              G_N_ELEMENTS (priv->shadow.dma_buf.handles));
-  priv->shadow.dma_buf.current_idx = next_idx;
-
-  next_dma_buf_handle = priv->shadow.dma_buf.handles[next_idx];
-  next_framebuffer =
-    cogl_dma_buf_handle_get_framebuffer (next_dma_buf_handle);
-  cogl_clear_object (&priv->shadow.framebuffer);
-  priv->shadow.framebuffer = cogl_object_ref (next_framebuffer);
-}
-
-static void
-copy_shadowfb_to_onscreen (ClutterStageView     *view,
-                           const cairo_region_t *swap_region)
-{
-  ClutterStageViewPrivate *priv =
-    clutter_stage_view_get_instance_private (view);
-  ClutterDamageHistory *damage_history = priv->shadow.dma_buf.damage_history;
-  cairo_region_t *damage_region;
-  int age;
-  int i;
-
-  if (cairo_region_is_empty (swap_region))
-    {
-      cairo_rectangle_int_t full_damage = {
-        .width = cogl_framebuffer_get_width (priv->framebuffer),
-        .height = cogl_framebuffer_get_height (priv->framebuffer),
-      };
-      damage_region = cairo_region_create_rectangle (&full_damage);
-    }
-  else
-    {
-      damage_region = cairo_region_copy (swap_region);
-    }
-
-  if (is_shadowfb_double_buffered (view))
-    {
-      CoglOnscreen *onscreen = COGL_ONSCREEN (priv->framebuffer);
-      cairo_region_t *changed_region;
-
-      if (cogl_onscreen_get_frame_counter (onscreen) >= 1)
-        {
-          g_autoptr (GError) error = NULL;
-
-          changed_region = find_damaged_tiles (view, damage_region, &error);
-          if (!changed_region)
-            {
-              int other_dma_buf_idx;
-
-              g_warning ("Disabling actual damage detection: %s",
-                         error->message);
-
-              other_dma_buf_idx =
-                flip_dma_buf_idx (priv->shadow.dma_buf.current_idx);
-              g_clear_pointer (&priv->shadow.dma_buf.handles[other_dma_buf_idx],
-                               cogl_dma_buf_handle_free);
-            }
-        }
-      else
-        {
-          changed_region = cairo_region_copy (damage_region);
-        }
-
-      if (changed_region)
-        {
-          int buffer_age;
-
-          clutter_damage_history_record (damage_history, changed_region);
-
-          buffer_age = cogl_onscreen_get_buffer_age (onscreen);
-          if (clutter_damage_history_is_age_valid (damage_history, buffer_age))
-            {
-              for (age = 1; age <= buffer_age; age++)
-                {
-                  const cairo_region_t *old_damage;
-
-                  old_damage = clutter_damage_history_lookup (damage_history, age);
-                  cairo_region_union (changed_region, old_damage);
-                }
-
-              cairo_region_destroy (damage_region);
-              damage_region = g_steal_pointer (&changed_region);
-            }
-          else
-            {
-              cairo_region_destroy (changed_region);
-            }
-
-          clutter_damage_history_step (damage_history);
-        }
-    }
-
-  for (i = 0; i < cairo_region_num_rectangles (damage_region); i++)
-    {
-      g_autoptr (GError) error = NULL;
-      cairo_rectangle_int_t rect;
-
-      cairo_region_get_rectangle (damage_region, i, &rect);
-
-      if (!cogl_blit_framebuffer (priv->shadow.framebuffer,
-                                  priv->framebuffer,
-                                  rect.x, rect.y,
-                                  rect.x, rect.y,
-                                  rect.width, rect.height,
-                                  &error))
-        {
-          g_warning ("Failed to blit shadow buffer: %s", error->message);
-          cairo_region_destroy (damage_region);
-          return;
-        }
-    }
-
-  cairo_region_destroy (damage_region);
-
-  if (is_shadowfb_double_buffered (view))
-    swap_dma_buf_framebuffer (view);
-}
-
-void
-clutter_stage_view_before_swap_buffer (ClutterStageView     *view,
-                                       const cairo_region_t *swap_region)
-{
-  ClutterStageViewPrivate *priv =
-    clutter_stage_view_get_instance_private (view);
-
-  if (priv->shadow.framebuffer)
-    copy_shadowfb_to_onscreen (view, swap_region);
 }
 
 float
@@ -741,47 +264,6 @@ clutter_stage_view_get_scale (ClutterStageView *view)
   return priv->scale;
 }
 
-typedef void (*FrontBufferCallback) (CoglFramebuffer *framebuffer,
-                                     gconstpointer    user_data);
-
-static void
-clutter_stage_view_foreach_front_buffer (ClutterStageView    *view,
-                                         FrontBufferCallback  callback,
-                                         gconstpointer        user_data)
-{
-  ClutterStageViewPrivate *priv =
-    clutter_stage_view_get_instance_private (view);
-
-  if (priv->offscreen)
-    {
-      callback (priv->offscreen, user_data);
-    }
-  else if (priv->shadow.framebuffer)
-    {
-      if (is_shadowfb_double_buffered (view))
-        {
-          int i;
-
-          for (i = 0; i < G_N_ELEMENTS (priv->shadow.dma_buf.handles); i++)
-            {
-              CoglDmaBufHandle *handle = priv->shadow.dma_buf.handles[i];
-              CoglFramebuffer *framebuffer =
-                cogl_dma_buf_handle_get_framebuffer (handle);
-
-              callback (framebuffer, user_data);
-            }
-        }
-      else
-        {
-          callback (priv->shadow.framebuffer, user_data);
-        }
-    }
-  else
-    {
-      callback (priv->framebuffer, user_data);
-    }
-}
-
 gboolean
 clutter_stage_view_is_dirty_viewport (ClutterStageView *view)
 {
@@ -792,47 +274,13 @@ clutter_stage_view_is_dirty_viewport (ClutterStageView *view)
 }
 
 void
-clutter_stage_view_invalidate_viewport (ClutterStageView *view)
+clutter_stage_view_set_dirty_viewport (ClutterStageView *view,
+                                       gboolean          dirty)
 {
   ClutterStageViewPrivate *priv =
     clutter_stage_view_get_instance_private (view);
 
-  priv->dirty_viewport = TRUE;
+  priv->dirty_viewport = dirty;
-}
-
-static void
-set_framebuffer_viewport (CoglFramebuffer *framebuffer,
-                          gconstpointer    user_data)
-{
-  const graphene_rect_t *rect = user_data;
-
-  cogl_framebuffer_set_viewport (framebuffer,
-                                 rect->origin.x,
-                                 rect->origin.y,
-                                 rect->size.width,
-                                 rect->size.height);
-}
-
-void
-clutter_stage_view_set_viewport (ClutterStageView *view,
-                                 float             x,
-                                 float             y,
-                                 float             width,
-                                 float             height)
-{
-  ClutterStageViewPrivate *priv =
-    clutter_stage_view_get_instance_private (view);
-  graphene_rect_t rect;
-
-  priv->dirty_viewport = FALSE;
-
-  rect = (graphene_rect_t) {
-    .origin = { .x = x, .y = y },
-    .size = { .width = width, .height = height },
-  };
-  clutter_stage_view_foreach_front_buffer (view,
-                                           set_framebuffer_viewport,
-                                           &rect);
 }
 
 gboolean
@@ -844,33 +292,14 @@ clutter_stage_view_is_dirty_projection (ClutterStageView *view)
   return priv->dirty_projection;
 }
 
-static void
-set_framebuffer_projection_matrix (CoglFramebuffer *framebuffer,
-                                   gconstpointer    user_data)
-{
-  cogl_framebuffer_set_projection_matrix (framebuffer, user_data);
-}
-
 void
-clutter_stage_view_invalidate_projection (ClutterStageView *view)
+clutter_stage_view_set_dirty_projection (ClutterStageView *view,
+                                         gboolean          dirty)
 {
   ClutterStageViewPrivate *priv =
     clutter_stage_view_get_instance_private (view);
 
-  priv->dirty_projection = TRUE;
+  priv->dirty_projection = dirty;
-}
-
-void
-clutter_stage_view_set_projection (ClutterStageView *view,
-                                   const CoglMatrix *matrix)
-{
-  ClutterStageViewPrivate *priv =
-    clutter_stage_view_get_instance_private (view);
-
-  priv->dirty_projection = FALSE;
-  clutter_stage_view_foreach_front_buffer (view,
-                                           set_framebuffer_projection_matrix,
-                                           matrix);
 }
 
 void
@@ -962,6 +391,19 @@ clutter_stage_view_take_redraw_clip (ClutterStageView *view)
   return g_steal_pointer (&priv->redraw_clip);
 }
 
+void
+clutter_stage_view_transform_to_onscreen (ClutterStageView *view,
+                                          gfloat           *x,
+                                          gfloat           *y)
+{
+  gfloat z = 0, w = 1;
+  CoglMatrix matrix;
+
+  clutter_stage_view_get_offscreen_transformation_matrix (view, &matrix);
+  cogl_matrix_get_inverse (&matrix, &matrix);
+  cogl_matrix_transform_point (&matrix, x, y, &z, &w);
+}
+
 static void
 clutter_stage_default_get_offscreen_transformation_matrix (ClutterStageView *view,
                                                            CoglMatrix       *matrix)
@@ -1000,9 +442,6 @@ clutter_stage_view_get_property (GObject    *object,
 
   switch (prop_id)
     {
-    case PROP_NAME:
-      g_value_set_string (value, priv->name);
-      break;
     case PROP_LAYOUT:
       g_value_set_boxed (value, &priv->layout);
       break;
@@ -1012,8 +451,8 @@ clutter_stage_view_get_property (GObject    *object,
     case PROP_OFFSCREEN:
       g_value_set_boxed (value, priv->offscreen);
       break;
-    case PROP_USE_SHADOWFB:
+    case PROP_SHADOWFB:
-      g_value_set_boolean (value, priv->use_shadowfb);
+      g_value_set_boxed (value, priv->shadowfb);
       break;
     case PROP_SCALE:
       g_value_set_float (value, priv->scale);
@@ -1036,9 +475,6 @@ clutter_stage_view_set_property (GObject      *object,
 
   switch (prop_id)
     {
-    case PROP_NAME:
-      priv->name = g_value_dup_string (value);
-      break;
     case PROP_LAYOUT:
       layout = g_value_get_boxed (value);
       priv->layout = *layout;
@@ -1063,8 +499,8 @@ clutter_stage_view_set_property (GObject      *object,
     case PROP_OFFSCREEN:
       priv->offscreen = g_value_dup_boxed (value);
       break;
-    case PROP_USE_SHADOWFB:
+    case PROP_SHADOWFB:
-      priv->use_shadowfb = g_value_get_boolean (value);
+      priv->shadowfb = g_value_dup_boxed (value);
       break;
     case PROP_SCALE:
       priv->scale = g_value_get_float (value);
@@ -1074,41 +510,18 @@ clutter_stage_view_set_property (GObject      *object,
     }
 }
 
-static void
-clutter_stage_view_constructed (GObject *object)
-{
-  ClutterStageView *view = CLUTTER_STAGE_VIEW (object);
-  ClutterStageViewPrivate *priv =
-    clutter_stage_view_get_instance_private (view);
-
-  if (priv->use_shadowfb)
-    init_shadowfb (view);
-
-  G_OBJECT_CLASS (clutter_stage_view_parent_class)->constructed (object);
-}
-
 static void
 clutter_stage_view_dispose (GObject *object)
 {
   ClutterStageView *view = CLUTTER_STAGE_VIEW (object);
   ClutterStageViewPrivate *priv =
     clutter_stage_view_get_instance_private (view);
-  int i;
 
-  g_clear_pointer (&priv->name, g_free);
   g_clear_pointer (&priv->framebuffer, cogl_object_unref);
-
+  g_clear_pointer (&priv->shadowfb, cogl_object_unref);
-  g_clear_pointer (&priv->shadow.framebuffer, cogl_object_unref);
-  for (i = 0; i < G_N_ELEMENTS (priv->shadow.dma_buf.handles); i++)
-    {
-      g_clear_pointer (&priv->shadow.dma_buf.handles[i],
-                       cogl_dma_buf_handle_free);
-    }
-  g_clear_pointer (&priv->shadow.dma_buf.damage_history,
-                   clutter_damage_history_free);
-
   g_clear_pointer (&priv->offscreen, cogl_object_unref);
   g_clear_pointer (&priv->offscreen_pipeline, cogl_object_unref);
+  g_clear_pointer (&priv->shadowfb_pipeline, cogl_object_unref);
   g_clear_pointer (&priv->redraw_clip, cairo_region_destroy);
 
   G_OBJECT_CLASS (clutter_stage_view_parent_class)->dispose (object);
@@ -1135,17 +548,8 @@ clutter_stage_view_class_init (ClutterStageViewClass *klass)
 
   object_class->get_property = clutter_stage_view_get_property;
   object_class->set_property = clutter_stage_view_set_property;
-  object_class->constructed = clutter_stage_view_constructed;
   object_class->dispose = clutter_stage_view_dispose;
 
-  obj_props[PROP_NAME] =
-    g_param_spec_string ("name",
-                         "Name",
-                         "Name of view",
-                         NULL,
-                         G_PARAM_READWRITE |
-                         G_PARAM_CONSTRUCT_ONLY |
-                         G_PARAM_STATIC_STRINGS);
   obj_props[PROP_LAYOUT] =
     g_param_spec_boxed ("layout",
                         "View layout",
@@ -1173,14 +577,14 @@ clutter_stage_view_class_init (ClutterStageViewClass *klass)
                         G_PARAM_CONSTRUCT_ONLY |
                         G_PARAM_STATIC_STRINGS);
 
-  obj_props[PROP_USE_SHADOWFB] =
+  obj_props[PROP_SHADOWFB] =
-    g_param_spec_boolean ("use-shadowfb",
+    g_param_spec_boxed ("shadowfb",
-                          "Use shadowfb",
+                        "Shadow framebuffer",
-                          "Whether to use one or more shadow framebuffers",
+                        "Framebuffer used as intermediate shadow buffer",
-                          FALSE,
+                        COGL_TYPE_HANDLE,
-                          G_PARAM_READWRITE |
+                        G_PARAM_READWRITE |
-                          G_PARAM_CONSTRUCT_ONLY |
+                        G_PARAM_CONSTRUCT_ONLY |
-                          G_PARAM_STATIC_STRINGS);
+                        G_PARAM_STATIC_STRINGS);
 
   obj_props[PROP_SCALE] =
     g_param_spec_float ("scale",

clutter/clutter/clutter-stage-view.h

@@ -43,12 +43,6 @@ struct _ClutterStageViewClass
 
   void (* get_offscreen_transformation_matrix) (ClutterStageView *view,
                                                 CoglMatrix       *matrix);
-
-  void (* transform_rect_to_onscreen) (ClutterStageView            *view,
-                                       const cairo_rectangle_int_t *src_rect,
-                                       int                          dst_width,
-                                       int                          dst_height,
-                                       cairo_rectangle_int_t       *dst_rect);
 };
 
 CLUTTER_EXPORT
@@ -62,6 +56,11 @@ CoglFramebuffer *clutter_stage_view_get_onscreen (ClutterStageView *view);
 CLUTTER_EXPORT
 void             clutter_stage_view_invalidate_offscreen_blit_pipeline (ClutterStageView *view);
 
+CLUTTER_EXPORT
+void             clutter_stage_view_transform_to_onscreen (ClutterStageView *view,
+                                                           gfloat           *x,
+                                                           gfloat           *y);
+
 CLUTTER_EXPORT
 float clutter_stage_view_get_scale (ClutterStageView *view);
 

clutter/clutter/clutter-stage.c

@@ -142,8 +142,6 @@ struct _ClutterStagePrivate
 
   int update_freeze_count;
 
-  gboolean needs_update;
-
   guint redraw_pending         : 1;
   guint throttle_motion_events : 1;
   guint min_size_changed       : 1;
@@ -189,9 +187,6 @@ static void capture_view_into (ClutterStage          *stage,
                                uint8_t               *data,
                                int                    stride);
 static void clutter_stage_update_view_perspective (ClutterStage *stage);
-static void clutter_stage_set_viewport (ClutterStage *stage,
-                                        float         width,
-                                        float         height);
 
 static void clutter_container_iface_init (ClutterContainerIface *iface);
 
@@ -618,18 +613,23 @@ stage_is_default (ClutterStage *stage)
 
 static void
 clutter_stage_allocate (ClutterActor           *self,
-                        const ClutterActorBox  *box)
+                        const ClutterActorBox  *box,
+                        ClutterAllocationFlags  flags)
 {
   ClutterStagePrivate *priv = CLUTTER_STAGE (self)->priv;
   ClutterActorBox alloc = CLUTTER_ACTOR_BOX_INIT_ZERO;
+  float old_width, old_height;
   float new_width, new_height;
   float width, height;
   cairo_rectangle_int_t window_size;
-  ClutterLayoutManager *layout_manager = clutter_actor_get_layout_manager (self);
 
   if (priv->impl == NULL)
     return;
 
+  /* our old allocation */
+  clutter_actor_get_allocation_box (self, &alloc);
+  clutter_actor_box_get_size (&alloc, &old_width, &old_height);
+
   /* the current allocation */
   clutter_actor_box_get_size (box, &width, &height);
 
@@ -643,21 +643,15 @@ clutter_stage_allocate (ClutterActor           *self,
    */
   if (!clutter_feature_available (CLUTTER_FEATURE_STAGE_STATIC))
     {
-      ClutterActorBox children_box;
-
-      children_box.x1 = children_box.y1 = 0.f;
-      children_box.x2 = box->x2 - box->x1;
-      children_box.y2 = box->y2 - box->y1;
-
       CLUTTER_NOTE (LAYOUT,
-                    "Following allocation to %.2fx%.2f",
+                    "Following allocation to %.2fx%.2f (absolute origin %s)",
-                    width, height);
+                    width, height,
+                    (flags & CLUTTER_ABSOLUTE_ORIGIN_CHANGED)
+                      ? "changed"
+                      : "not changed");
 
-      clutter_actor_set_allocation (self, box);
+      clutter_actor_set_allocation (self, box,
-
+                                    flags | CLUTTER_DELEGATE_LAYOUT);
-      clutter_layout_manager_allocate (layout_manager,
-                                       CLUTTER_CONTAINER (self),
-                                       &children_box);
 
       /* Ensure the window is sized correctly */
       if (priv->min_size_changed)
@@ -705,23 +699,39 @@ clutter_stage_allocate (ClutterActor           *self,
 
       CLUTTER_NOTE (LAYOUT,
                     "Overriding original allocation of %.2fx%.2f "
-                    "with %.2fx%.2f",
+                    "with %.2fx%.2f (absolute origin %s)",
                     width, height,
-                    override.x2, override.y2);
+                    override.x2, override.y2,
+                    (flags & CLUTTER_ABSOLUTE_ORIGIN_CHANGED)
+                      ? "changed"
+                      : "not changed");
 
       /* and store the overridden allocation */
-      clutter_actor_set_allocation (self, &override);
+      clutter_actor_set_allocation (self, &override,
-
+                                    flags | CLUTTER_DELEGATE_LAYOUT);
-      clutter_layout_manager_allocate (layout_manager,
-                                       CLUTTER_CONTAINER (self),
-                                       &override);
     }
 
-  /* set the viewport to the new allocation */
+  /* reset the viewport if the allocation effectively changed */
   clutter_actor_get_allocation_box (self, &alloc);
   clutter_actor_box_get_size (&alloc, &new_width, &new_height);
 
-  clutter_stage_set_viewport (CLUTTER_STAGE (self), new_width, new_height);
+  if (CLUTTER_NEARBYINT (old_width) != CLUTTER_NEARBYINT (new_width) ||
+      CLUTTER_NEARBYINT (old_height) != CLUTTER_NEARBYINT (new_height))
+    {
+      int real_width = CLUTTER_NEARBYINT (new_width);
+      int real_height = CLUTTER_NEARBYINT (new_height);
+
+      _clutter_stage_set_viewport (CLUTTER_STAGE (self),
+                                   0, 0,
+                                   real_width,
+                                   real_height);
+
+      /* Note: we don't assume that set_viewport will queue a full redraw
+       * since it may bail-out early if something preemptively set the
+       * viewport before the stage was really allocated its new size.
+       */
+      queue_full_redraw (CLUTTER_STAGE (self));
+    }
 }
 
 typedef struct _Vector4
@@ -1160,7 +1170,7 @@ _clutter_stage_queue_event (ClutterStage *stage,
     {
       ClutterMasterClock *master_clock = _clutter_master_clock_get_default ();
       _clutter_master_clock_start_running (master_clock);
-      clutter_stage_schedule_update (stage);
+      _clutter_stage_schedule_update (stage);
     }
 }
 
@@ -1292,9 +1302,7 @@ _clutter_stage_needs_update (ClutterStage *stage)
 
   priv = stage->priv;
 
-  return (priv->redraw_pending ||
+  return priv->redraw_pending || g_hash_table_size (priv->pending_relayouts) > 0;
-          priv->needs_update ||
-          g_hash_table_size (priv->pending_relayouts) > 0);
 }
 
 void
@@ -1304,7 +1312,7 @@ clutter_stage_queue_actor_relayout (ClutterStage *stage,
   ClutterStagePrivate *priv = stage->priv;
 
   if (g_hash_table_size (priv->pending_relayouts) == 0)
-    clutter_stage_schedule_update (stage);
+    _clutter_stage_schedule_update (stage);
 
   g_hash_table_add (priv->pending_relayouts, g_object_ref (actor));
   priv->pending_relayouts_version++;
@@ -1351,7 +1359,8 @@ _clutter_stage_maybe_relayout (ClutterActor *actor)
       CLUTTER_SET_PRIVATE_FLAGS (queued_actor, CLUTTER_IN_RELAYOUT);
 
       old_version = priv->pending_relayouts_version;
-      clutter_actor_allocate_preferred_size (queued_actor);
+      clutter_actor_allocate_preferred_size (queued_actor,
+                                             CLUTTER_ALLOCATION_NONE);
 
       CLUTTER_UNSET_PRIVATE_FLAGS (queued_actor, CLUTTER_IN_RELAYOUT);
 
@@ -1485,8 +1494,6 @@ _clutter_stage_do_update (ClutterStage *stage)
 
   priv->stage_was_relayout = FALSE;
 
-  priv->needs_update = FALSE;
-
   /* if the stage is being destroyed, or if the destruction already
    * happened and we don't have an StageWindow any more, then we
    * should bail out
@@ -2239,7 +2246,10 @@ clutter_stage_init (ClutterStage *self)
   g_signal_connect (self, "notify::min-height",
                     G_CALLBACK (clutter_stage_notify_min_size), NULL);
 
-  clutter_stage_set_viewport (self, geom.width, geom.height);
+  _clutter_stage_set_viewport (self,
+                               0, 0,
+                               geom.width,
+                               geom.height);
 
   priv->paint_volume_stack =
     g_array_new (FALSE, FALSE, sizeof (ClutterPaintVolume));
@@ -2419,13 +2429,15 @@ _clutter_stage_dirty_projection (ClutterStage *stage)
     {
       ClutterStageView *view = l->data;
 
-      clutter_stage_view_invalidate_projection (view);
+      clutter_stage_view_set_dirty_projection (view, TRUE);
     }
 }
 
 /*
  * clutter_stage_set_viewport:
  * @stage: A #ClutterStage
+ * @x: The X postition to render the stage at, in window coordinates
+ * @y: The Y position to render the stage at, in window coordinates
  * @width: The width to render the stage at, in window coordinates
  * @height: The height to render the stage at, in window coordinates
  *
@@ -2458,22 +2470,19 @@ _clutter_stage_dirty_projection (ClutterStage *stage)
  *
  * Since: 1.6
  */
-static void
+void
-clutter_stage_set_viewport (ClutterStage *stage,
+_clutter_stage_set_viewport (ClutterStage *stage,
-                            float         width,
+                             float         x,
-                            float         height)
+                             float         y,
+                             float         width,
+                             float         height)
 {
   ClutterStagePrivate *priv;
-  float x, y;
 
   g_return_if_fail (CLUTTER_IS_STAGE (stage));
 
   priv = stage->priv;
 
-  x = 0.f;
-  y = 0.f;
-  width = roundf (width);
-  height = roundf (height);
 
   if (x == priv->viewport[0] &&
       y == priv->viewport[1] &&
@@ -2510,7 +2519,7 @@ _clutter_stage_dirty_viewport (ClutterStage *stage)
     {
       ClutterStageView *view = l->data;
 
-      clutter_stage_view_invalidate_viewport (view);
+      clutter_stage_view_set_dirty_viewport (view, TRUE);
     }
 }
 
@@ -3133,6 +3142,7 @@ _clutter_stage_maybe_setup_viewport (ClutterStage     *stage,
                                      ClutterStageView *view)
 {
   ClutterStagePrivate *priv = stage->priv;
+  CoglFramebuffer *fb = clutter_stage_view_get_framebuffer (view);
 
   if (clutter_stage_view_is_dirty_viewport (view))
     {
@@ -3159,14 +3169,19 @@ _clutter_stage_maybe_setup_viewport (ClutterStage     *stage,
       viewport_y = roundf (priv->viewport[1] * fb_scale - viewport_offset_y);
       viewport_width = roundf (priv->viewport[2] * fb_scale);
       viewport_height = roundf (priv->viewport[3] * fb_scale);
+      cogl_framebuffer_set_viewport (fb,
+                                     viewport_x, viewport_y,
+                                     viewport_width, viewport_height);
 
-      clutter_stage_view_set_viewport (view,
+      clutter_stage_view_set_dirty_viewport (view, FALSE);
-                                       viewport_x, viewport_y,
-                                       viewport_width, viewport_height);
     }
 
   if (clutter_stage_view_is_dirty_projection (view))
-    clutter_stage_view_set_projection (view, &priv->projection);
+    {
+      cogl_framebuffer_set_projection_matrix (fb, &priv->projection);
+
+      clutter_stage_view_set_dirty_projection (view, FALSE);
+    }
 }
 
 #undef _DEG_TO_RAD
@@ -3194,7 +3209,7 @@ clutter_stage_ensure_redraw (ClutterStage *stage)
   priv = stage->priv;
 
   if (!_clutter_stage_needs_update (stage))
-    clutter_stage_schedule_update (stage);
+    _clutter_stage_schedule_update (stage);
 
   priv->redraw_pending = TRUE;
 
@@ -3422,13 +3437,13 @@ clutter_stage_get_minimum_size (ClutterStage *stage,
 }
 
 /**
- * clutter_stage_schedule_update:
+ * _clutter_stage_schedule_update:
- * @stage: a #ClutterStage actor
+ * @window: a #ClutterStage actor
  *
  * Schedules a redraw of the #ClutterStage at the next optimal timestamp.
  */
 void
-clutter_stage_schedule_update (ClutterStage *stage)
+_clutter_stage_schedule_update (ClutterStage *stage)
 {
   ClutterStageWindow *stage_window;
 
@@ -3439,8 +3454,6 @@ clutter_stage_schedule_update (ClutterStage *stage)
   if (stage_window == NULL)
     return;
 
-  stage->priv->needs_update = TRUE;
-
   return _clutter_stage_window_schedule_update (stage_window,
                                                 stage->priv->sync_delay);
 }
@@ -3450,7 +3463,7 @@ clutter_stage_schedule_update (ClutterStage *stage)
  * @stage: a #ClutterStage actor
  *
  * Returns the earliest time in which the stage is ready to update. The update
- * time is set when clutter_stage_schedule_update() is called. This can then
+ * time is set when _clutter_stage_schedule_update() is called. This can then
  * be used by e.g. the #ClutterMasterClock to know when the stage needs to be
  * redrawn.
  *
@@ -3560,7 +3573,7 @@ _clutter_stage_queue_actor_redraw (ClutterStage                 *stage,
 
       CLUTTER_NOTE (PAINT, "First redraw request");
 
-      clutter_stage_schedule_update (stage);
+      _clutter_stage_schedule_update (stage);
       priv->redraw_pending = TRUE;
 
       master_clock = _clutter_master_clock_get_default ();

clutter/clutter/clutter-stage.h

@@ -209,9 +209,6 @@ CLUTTER_EXPORT
 void            clutter_stage_skip_sync_delay                   (ClutterStage          *stage);
 #endif
 
-CLUTTER_EXPORT
-void clutter_stage_schedule_update (ClutterStage *stage);
-
 CLUTTER_EXPORT
 gboolean clutter_stage_get_capture_final_size (ClutterStage          *stage,
                                                cairo_rectangle_int_t *rect,

clutter/clutter/clutter-text.c

@@ -3037,7 +3037,8 @@ clutter_text_get_preferred_height (ClutterActor *self,
 
 static void
 clutter_text_allocate (ClutterActor           *self,
-                       const ClutterActorBox  *box)
+                       const ClutterActorBox  *box,
+                       ClutterAllocationFlags  flags)
 {
   ClutterText *text = CLUTTER_TEXT (self);
   ClutterActorClass *parent_class;
@@ -3057,7 +3058,7 @@ clutter_text_allocate (ClutterActor           *self,
                                                   box->y2 - box->y1);
 
   parent_class = CLUTTER_ACTOR_CLASS (clutter_text_parent_class);
-  parent_class->allocate (self, box);
+  parent_class->allocate (self, box, flags);
 }
 
 static gboolean
@@ -4786,11 +4787,11 @@ clutter_text_queue_redraw_or_relayout (ClutterText *self)
   clutter_text_get_preferred_height (actor, preferred_width, NULL, &preferred_height);
 
   if (clutter_actor_has_allocation (actor) &&
-      fabsf (preferred_width - clutter_actor_get_width (actor)) <= 0.001 &&
+      (fabsf (preferred_width - clutter_actor_get_width (actor)) > 0.001 ||
-      fabsf (preferred_height - clutter_actor_get_height (actor)) <= 0.001)
+       fabsf (preferred_height - clutter_actor_get_height (actor)) > 0.001))
-    clutter_text_queue_redraw (actor);
-  else
     clutter_actor_queue_relayout (actor);
+  else
+    clutter_text_queue_redraw (actor);
 }
 
 static void

clutter/clutter/clutter-timeline.c

@@ -24,6 +24,7 @@
 /**
  * SECTION:clutter-timeline
  * @short_description: A class for time-based events
+ * @see_also: #ClutterAnimation, #ClutterAnimator, #ClutterState
  *
  * #ClutterTimeline is a base class for managing time-based event that cause
  * Clutter to redraw a stage, such as animations.
@@ -70,7 +71,7 @@
  * when reaching completion by using the #ClutterTimeline:auto-reverse property.
  *
  * Timelines are used in the Clutter animation framework by classes like
- * #ClutterTransition.
+ * #ClutterAnimation, #ClutterAnimator, and #ClutterState.
  *
  * ## Defining Timelines in ClutterScript
  *

clutter/clutter/clutter-types.h

@@ -79,6 +79,10 @@ typedef struct _ClutterKnot                     ClutterKnot;
 typedef struct _ClutterMargin                   ClutterMargin;
 typedef struct _ClutterPerspective              ClutterPerspective;
 
+typedef struct _ClutterAlpha            	ClutterAlpha;
+typedef struct _ClutterAnimation                ClutterAnimation;
+typedef struct _ClutterState            	ClutterState;
+
 typedef struct _ClutterInputDeviceTool          ClutterInputDeviceTool;
 typedef struct _ClutterInputDevice              ClutterInputDevice;
 typedef struct _ClutterVirtualInputDevice       ClutterVirtualInputDevice;

clutter/clutter/cogl/clutter-stage-cogl.c

@@ -38,7 +38,6 @@
 
 #include "clutter-actor-private.h"
 #include "clutter-backend-private.h"
-#include "clutter-damage-history.h"
 #include "clutter-debug.h"
 #include "clutter-event.h"
 #include "clutter-enum-types.h"
@@ -52,9 +51,13 @@
 
 typedef struct _ClutterStageViewCoglPrivate
 {
-  /* Damage history, in stage view render target framebuffer coordinate space.
+  /*
+   * List of previous damaged areas in stage view framebuffer coordinate space.
    */
-  ClutterDamageHistory *damage_history;
+#define DAMAGE_HISTORY_MAX 16
+#define DAMAGE_HISTORY(x) ((x) & (DAMAGE_HISTORY_MAX - 1))
+  cairo_region_t * damage_history[DAMAGE_HISTORY_MAX];
+  unsigned int damage_index;
 } ClutterStageViewCoglPrivate;
 
 G_DEFINE_TYPE_WITH_PRIVATE (ClutterStageViewCogl, clutter_stage_view_cogl,
@@ -285,13 +288,26 @@ clutter_stage_cogl_resize (ClutterStageWindow *stage_window,
 {
 }
 
+static inline gboolean
+valid_buffer_age (ClutterStageViewCogl *view_cogl,
+                  int                   age)
+{
+  ClutterStageViewCoglPrivate *view_priv =
+    clutter_stage_view_cogl_get_instance_private (view_cogl);
+
+  if (age <= 0)
+    return FALSE;
+
+  return age < MIN (view_priv->damage_index, DAMAGE_HISTORY_MAX);
+}
+
 static void
 paint_damage_region (ClutterStageWindow *stage_window,
                      ClutterStageView   *view,
                      cairo_region_t     *swap_region,
                      cairo_region_t     *queued_redraw_clip)
 {
-  CoglFramebuffer *framebuffer = clutter_stage_view_get_framebuffer (view);
+  CoglFramebuffer *framebuffer = clutter_stage_view_get_onscreen (view);
   CoglContext *ctx = cogl_framebuffer_get_context (framebuffer);
   static CoglPipeline *overlay_blue = NULL;
   ClutterStageCogl *stage_cogl = CLUTTER_STAGE_COGL (stage_window);
@@ -362,26 +378,24 @@ swap_framebuffer (ClutterStageWindow *stage_window,
                   gboolean            swap_with_damage)
 {
   CoglFramebuffer *framebuffer = clutter_stage_view_get_onscreen (view);
+  int *damage, n_rects, i;
 
-  clutter_stage_view_before_swap_buffer (view, swap_region);
+  n_rects = cairo_region_num_rectangles (swap_region);
+  damage = g_newa (int, n_rects * 4);
+  for (i = 0; i < n_rects; i++)
+    {
+      cairo_rectangle_int_t rect;
+
+      cairo_region_get_rectangle (swap_region, i, &rect);
+      damage[i * 4] = rect.x;
+      damage[i * 4 + 1] = rect.y;
+      damage[i * 4 + 2] = rect.width;
+      damage[i * 4 + 3] = rect.height;
+    }
 
   if (cogl_is_onscreen (framebuffer))
     {
       CoglOnscreen *onscreen = COGL_ONSCREEN (framebuffer);
-      int *damage, n_rects, i;
-
-      n_rects = cairo_region_num_rectangles (swap_region);
-      damage = g_newa (int, n_rects * 4);
-      for (i = 0; i < n_rects; i++)
-        {
-          cairo_rectangle_int_t rect;
-
-          cairo_region_get_rectangle (swap_region, i, &rect);
-          damage[i * 4] = rect.x;
-          damage[i * 4 + 1] = rect.y;
-          damage[i * 4 + 2] = rect.width;
-          damage[i * 4 + 3] = rect.height;
-        }
 
       /* push on the screen */
       if (n_rects > 0 && !swap_with_damage)
@@ -416,6 +430,18 @@ swap_framebuffer (ClutterStageWindow *stage_window,
     }
 }
 
+static void
+scale_and_clamp_rect (const graphene_rect_t *rect,
+                      float                  scale,
+                      cairo_rectangle_int_t *dest)
+
+{
+  graphene_rect_t tmp = *rect;
+
+  graphene_rect_scale (&tmp, scale, scale, &tmp);
+  _clutter_util_rectangle_int_extents (&tmp, dest);
+}
+
 static cairo_region_t *
 offset_scale_and_clamp_region (const cairo_region_t *region,
                                int                   offset_x,
@@ -437,52 +463,15 @@ offset_scale_and_clamp_region (const cairo_region_t *region,
     rects = freeme = g_new (cairo_rectangle_int_t, n_rects);
 
   for (i = 0; i < n_rects; i++)
-    {
+    cairo_region_get_rectangle (region, i, &rects[i]);
-      cairo_rectangle_int_t *rect = &rects[i];
-      graphene_rect_t tmp;
-
-      cairo_region_get_rectangle (region, i, rect);
-
-      _clutter_util_rect_from_rectangle (rect, &tmp);
-      graphene_rect_offset (&tmp, offset_x, offset_y);
-      graphene_rect_scale (&tmp, scale, scale, &tmp);
-      _clutter_util_rectangle_int_extents (&tmp, rect);
-    }
-
-  return cairo_region_create_rectangles (rects, n_rects);
-}
-
-static cairo_region_t *
-scale_offset_and_clamp_region (const cairo_region_t *region,
-                               float                 scale,
-                               int                   offset_x,
-                               int                   offset_y)
-{
-  int n_rects, i;
-  cairo_rectangle_int_t *rects;
-  g_autofree cairo_rectangle_int_t *freeme = NULL;
-
-  n_rects = cairo_region_num_rectangles (region);
-
-  if (n_rects == 0)
-    return cairo_region_create ();
-
-  if (n_rects < MAX_STACK_RECTS)
-    rects = g_newa (cairo_rectangle_int_t, n_rects);
-  else
-    rects = freeme = g_new (cairo_rectangle_int_t, n_rects);
 
   for (i = 0; i < n_rects; i++)
     {
-      cairo_rectangle_int_t *rect = &rects[i];
       graphene_rect_t tmp;
 
-      cairo_region_get_rectangle (region, i, rect);
+      _clutter_util_rect_from_rectangle (&rects[i], &tmp);
-
-      _clutter_util_rect_from_rectangle (rect, &tmp);
-      graphene_rect_scale (&tmp, scale, scale, &tmp);
       graphene_rect_offset (&tmp, offset_x, offset_y);
-      _clutter_util_rectangle_int_extents (&tmp, rect);
+      scale_and_clamp_rect (&tmp, scale, &rects[i]);
     }
 
   return cairo_region_create_rectangles (rects, n_rects);
@@ -498,38 +487,107 @@ paint_stage (ClutterStageCogl *stage_cogl,
   _clutter_stage_maybe_setup_viewport (stage, view);
   clutter_stage_paint_view (stage, view, redraw_clip);
 
-  clutter_stage_view_after_paint (view, redraw_clip);
+  clutter_stage_view_after_paint (view);
+}
+
+static void
+fill_current_damage_history (ClutterStageView *view,
+                             cairo_region_t   *damage)
+{
+  ClutterStageViewCogl *view_cogl = CLUTTER_STAGE_VIEW_COGL (view);
+  ClutterStageViewCoglPrivate *view_priv =
+    clutter_stage_view_cogl_get_instance_private (view_cogl);
+  cairo_region_t **current_fb_damage;
+
+  current_fb_damage =
+    &view_priv->damage_history[DAMAGE_HISTORY (view_priv->damage_index)];
+
+  g_clear_pointer (current_fb_damage, cairo_region_destroy);
+  *current_fb_damage = cairo_region_copy (damage);
+  view_priv->damage_index++;
+}
+
+static void
+fill_current_damage_history_rectangle (ClutterStageView            *view,
+                                       const cairo_rectangle_int_t *rect)
+{
+  cairo_region_t *damage;
+
+  damage = cairo_region_create_rectangle (rect);
+  fill_current_damage_history (view, damage);
+  cairo_region_destroy (damage);
 }
 
 static cairo_region_t *
 transform_swap_region_to_onscreen (ClutterStageView *view,
                                    cairo_region_t   *swap_region)
 {
-  CoglFramebuffer *onscreen = clutter_stage_view_get_onscreen (view);
+  CoglFramebuffer *framebuffer;
+  cairo_rectangle_int_t layout;
+  gint width, height;
   int n_rects, i;
   cairo_rectangle_int_t *rects;
   cairo_region_t *transformed_region;
-  int width, height;
 
-  width = cogl_framebuffer_get_width (onscreen);
+  framebuffer = clutter_stage_view_get_onscreen (view);
-  height = cogl_framebuffer_get_height (onscreen);
+  clutter_stage_view_get_layout (view, &layout);
+
+  width = cogl_framebuffer_get_width (framebuffer);
+  height = cogl_framebuffer_get_height (framebuffer);
 
   n_rects = cairo_region_num_rectangles (swap_region);
   rects = g_newa (cairo_rectangle_int_t, n_rects);
   for (i = 0; i < n_rects; i++)
     {
+      gfloat x1, y1, x2, y2;
+
       cairo_region_get_rectangle (swap_region, i, &rects[i]);
-      clutter_stage_view_transform_rect_to_onscreen (view,
+
-                                                     &rects[i],
+      x1 = (float) rects[i].x / layout.width;
-                                                     width,
+      y1 = (float) rects[i].y / layout.height;
-                                                     height,
+      x2 = (float) (rects[i].x + rects[i].width) / layout.width;
-                                                     &rects[i]);
+      y2 = (float) (rects[i].y + rects[i].height) / layout.height;
+
+      clutter_stage_view_transform_to_onscreen (view, &x1, &y1);
+      clutter_stage_view_transform_to_onscreen (view, &x2, &y2);
+
+      x1 = floor (x1 * width);
+      y1 = floor (height - (y1 * height));
+      x2 = ceil (x2 * width);
+      y2 = ceil (height - (y2 * height));
+
+      rects[i].x = x1;
+      rects[i].y = y1;
+      rects[i].width = x2 - x1;
+      rects[i].height = y2 - y1;
     }
   transformed_region = cairo_region_create_rectangles (rects, n_rects);
 
   return transformed_region;
 }
 
+static void
+calculate_scissor_region (cairo_rectangle_int_t *fb_clip_region,
+                          int                    subpixel_compensation,
+                          int                    fb_width,
+                          int                    fb_height,
+                          cairo_rectangle_int_t *out_scissor_rect)
+{
+  *out_scissor_rect = *fb_clip_region;
+
+  if (subpixel_compensation == 0)
+    return;
+
+  if (fb_clip_region->x > 0)
+    out_scissor_rect->x += subpixel_compensation;
+  if (fb_clip_region->y > 0)
+    out_scissor_rect->y += subpixel_compensation;
+  if (fb_clip_region->x + fb_clip_region->width < fb_width)
+    out_scissor_rect->width -= 2 * subpixel_compensation;
+  if (fb_clip_region->y + fb_clip_region->height < fb_height)
+    out_scissor_rect->height -= 2 * subpixel_compensation;
+}
+
 static inline gboolean
 is_buffer_age_enabled (void)
 {
@@ -548,21 +606,27 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
   ClutterStageViewCoglPrivate *view_priv =
     clutter_stage_view_cogl_get_instance_private (view_cogl);
   CoglFramebuffer *fb = clutter_stage_view_get_framebuffer (view);
-  CoglFramebuffer *onscreen = clutter_stage_view_get_onscreen (view);
   cairo_rectangle_int_t view_rect;
   gboolean is_full_redraw;
+  gboolean may_use_clipped_redraw;
   gboolean use_clipped_redraw;
   gboolean can_blit_sub_buffer;
   gboolean has_buffer_age;
+  gboolean do_swap_buffer;
   gboolean swap_with_damage;
+  ClutterActor *wrapper;
   cairo_region_t *redraw_clip;
   cairo_region_t *queued_redraw_clip = NULL;
   cairo_region_t *fb_clip_region;
   cairo_region_t *swap_region;
+  cairo_rectangle_int_t redraw_rect;
+  gboolean clip_region_empty;
   float fb_scale;
+  int subpixel_compensation = 0;
   int fb_width, fb_height;
   int buffer_age;
-  gboolean res;
+
+  wrapper = CLUTTER_ACTOR (stage_cogl->wrapper);
 
   clutter_stage_view_get_layout (view, &view_rect);
   fb_scale = clutter_stage_view_get_scale (view);
@@ -570,10 +634,10 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
   fb_height = cogl_framebuffer_get_height (fb);
 
   can_blit_sub_buffer =
-    cogl_is_onscreen (onscreen) &&
+    cogl_is_onscreen (fb) &&
     cogl_clutter_winsys_has_feature (COGL_WINSYS_FEATURE_SWAP_REGION);
 
-  has_buffer_age = cogl_is_onscreen (onscreen) && is_buffer_age_enabled ();
+  has_buffer_age = cogl_is_onscreen (fb) && is_buffer_age_enabled ();
 
   redraw_clip = clutter_stage_view_take_redraw_clip (view);
   if (G_UNLIKELY (clutter_paint_debug_flags & CLUTTER_DEBUG_PAINT_DAMAGE_REGION))
@@ -585,35 +649,51 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
   else
     is_full_redraw = FALSE;
 
-  if (has_buffer_age)
+  may_use_clipped_redraw =
-    {
-      buffer_age = cogl_onscreen_get_buffer_age (COGL_ONSCREEN (onscreen));
-      if (!clutter_damage_history_is_age_valid (view_priv->damage_history,
-                                                buffer_age))
-        {
-          CLUTTER_NOTE (CLIPPING,
-                        "Invalid back buffer(age=%d): forcing full redraw\n",
-                        buffer_age);
-          use_clipped_redraw = FALSE;
-        }
-    }
-
-  use_clipped_redraw =
-    use_clipped_redraw &&
-    !(clutter_paint_debug_flags & CLUTTER_DEBUG_DISABLE_CLIPPED_REDRAWS) &&
     _clutter_stage_window_can_clip_redraws (stage_window) &&
     (can_blit_sub_buffer || has_buffer_age) &&
     !is_full_redraw &&
     /* some drivers struggle to get going and produce some junk
      * frames when starting up... */
-    cogl_onscreen_get_frame_counter (COGL_ONSCREEN (onscreen)) > 3;
+    cogl_onscreen_get_frame_counter (COGL_ONSCREEN (fb)) > 3;
 
-  if (use_clipped_redraw)
+  if (has_buffer_age)
+    {
+      buffer_age = cogl_onscreen_get_buffer_age (COGL_ONSCREEN (fb));
+      if (!valid_buffer_age (view_cogl, buffer_age))
+        {
+          CLUTTER_NOTE (CLIPPING, "Invalid back buffer(age=%d): forcing full redraw\n", buffer_age);
+          may_use_clipped_redraw = FALSE;
+        }
+    }
+
+  if (may_use_clipped_redraw)
     {
       fb_clip_region = offset_scale_and_clamp_region (redraw_clip,
                                                       -view_rect.x,
                                                       -view_rect.y,
                                                       fb_scale);
+
+      if (fb_scale != floorf (fb_scale))
+        {
+          int n_rects, i;
+          cairo_rectangle_int_t *rects;
+
+          subpixel_compensation = ceilf (fb_scale);
+
+          n_rects = cairo_region_num_rectangles (fb_clip_region);
+          rects = g_newa (cairo_rectangle_int_t, n_rects);
+          for (i = 0; i < n_rects; i++)
+            {
+              cairo_region_get_rectangle (fb_clip_region, i, &rects[i]);
+              rects[i].x -= subpixel_compensation;
+              rects[i].y -= subpixel_compensation;
+              rects[i].width += 2 * subpixel_compensation;
+              rects[i].height += 2 * subpixel_compensation;
+            }
+          cairo_region_destroy (fb_clip_region);
+          fb_clip_region = cairo_region_create_rectangles (rects, n_rects);
+        }
     }
   else
     {
@@ -629,40 +709,46 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
       redraw_clip = cairo_region_create_rectangle (&view_rect);
     }
 
-  g_return_val_if_fail (!cairo_region_is_empty (fb_clip_region), FALSE);
+  if (may_use_clipped_redraw &&
+      G_LIKELY (!(clutter_paint_debug_flags & CLUTTER_DEBUG_DISABLE_CLIPPED_REDRAWS)))
+    use_clipped_redraw = TRUE;
+  else
+    use_clipped_redraw = FALSE;
+
+  clip_region_empty = may_use_clipped_redraw && cairo_region_is_empty (fb_clip_region);
 
   swap_with_damage = FALSE;
   if (has_buffer_age)
     {
-      clutter_damage_history_record (view_priv->damage_history,
+      if (use_clipped_redraw && !clip_region_empty)
-                                     fb_clip_region);
-
-      if (use_clipped_redraw)
         {
           cairo_region_t *fb_damage;
           cairo_region_t *view_damage;
-          int age;
+          int i;
+
+          fill_current_damage_history (view, fb_clip_region);
 
           fb_damage = cairo_region_create ();
 
-          for (age = 1; age <= buffer_age; age++)
+          for (i = 1; i <= buffer_age; i++)
             {
-              const cairo_region_t *old_damage;
+              int damage_index;
 
-              old_damage =
+              damage_index = DAMAGE_HISTORY (view_priv->damage_index - i - 1);
-                clutter_damage_history_lookup (view_priv->damage_history, age);
+              cairo_region_union (fb_damage,
-              cairo_region_union (fb_damage, old_damage);
+                                  view_priv->damage_history[damage_index]);
             }
 
           /* Update the fb clip region with the extra damage. */
           cairo_region_union (fb_clip_region, fb_damage);
 
-          /* Update the redraw clip with the extra damage done to the view */
+          view_damage = offset_scale_and_clamp_region (fb_damage,
-          view_damage = scale_offset_and_clamp_region (fb_damage,
+                                                       0, 0,
-                                                       1.0f / fb_scale,
+                                                       1.0f / fb_scale);
-                                                       view_rect.x,
+          cairo_region_translate (view_damage, view_rect.x, view_rect.y);
-                                                       view_rect.y);
+          cairo_region_intersect_rectangle (view_damage, &view_rect);
 
+          /* Update the redraw clip region with the extra damage. */
           cairo_region_union (redraw_clip, view_damage);
 
           cairo_region_destroy (view_damage);
@@ -674,13 +760,55 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
 
           swap_with_damage = TRUE;
         }
+      else if (!use_clipped_redraw)
+        {
+          cairo_rectangle_int_t fb_damage;
 
-      clutter_damage_history_step (view_priv->damage_history);
+          fb_damage = (cairo_rectangle_int_t) {
+            .x = 0,
+            .y = 0,
+            .width = ceilf (view_rect.width * fb_scale),
+            .height = ceilf (view_rect.height * fb_scale)
+          };
+          fill_current_damage_history_rectangle (view, &fb_damage);
+        }
     }
 
-  if (use_clipped_redraw)
+  if (use_clipped_redraw && clip_region_empty)
     {
-      cogl_framebuffer_push_region_clip (fb, fb_clip_region);
+      CLUTTER_NOTE (CLIPPING, "Empty stage output paint\n");
+    }
+  else if (use_clipped_redraw)
+    {
+      cairo_rectangle_int_t clip_rect;
+      cairo_rectangle_int_t scissor_rect;
+
+      if (cairo_region_num_rectangles (fb_clip_region) == 1)
+        {
+          cairo_region_get_extents (fb_clip_region, &clip_rect);
+
+          calculate_scissor_region (&clip_rect,
+                                    subpixel_compensation,
+                                    fb_width, fb_height,
+                                    &scissor_rect);
+
+          CLUTTER_NOTE (CLIPPING,
+                        "Stage clip pushed: x=%d, y=%d, width=%d, height=%d\n",
+                        scissor_rect.x,
+                        scissor_rect.y,
+                        scissor_rect.width,
+                        scissor_rect.height);
+
+          cogl_framebuffer_push_scissor_clip (fb,
+                                              scissor_rect.x,
+                                              scissor_rect.y,
+                                              scissor_rect.width,
+                                              scissor_rect.height);
+        }
+      else
+        {
+          cogl_framebuffer_push_region_clip (fb, fb_clip_region);
+        }
 
       paint_stage (stage_cogl, view, redraw_clip);
 
@@ -690,7 +818,77 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
     {
       CLUTTER_NOTE (CLIPPING, "Unclipped stage paint\n");
 
-      paint_stage (stage_cogl, view, redraw_clip);
+      /* If we are trying to debug redraw issues then we want to pass
+       * the redraw_clip so it can be visualized */
+      if (G_UNLIKELY (clutter_paint_debug_flags & CLUTTER_DEBUG_DISABLE_CLIPPED_REDRAWS) &&
+          may_use_clipped_redraw &&
+          !clip_region_empty)
+        {
+          cairo_rectangle_int_t clip_rect;
+          cairo_rectangle_int_t scissor_rect;
+
+          cairo_region_get_extents (fb_clip_region, &clip_rect);
+
+          calculate_scissor_region (&clip_rect,
+                                    subpixel_compensation,
+                                    fb_width, fb_height,
+                                    &scissor_rect);
+
+          cogl_framebuffer_push_scissor_clip (fb,
+                                              scissor_rect.x,
+                                              scissor_rect.y,
+                                              scissor_rect.width,
+                                              scissor_rect.height);
+
+          paint_stage (stage_cogl, view, redraw_clip);
+
+          cogl_framebuffer_pop_clip (fb);
+        }
+      else
+        {
+          paint_stage (stage_cogl, view, redraw_clip);
+        }
+    }
+
+  cairo_region_get_extents (redraw_clip, &redraw_rect);
+
+  if (may_use_clipped_redraw &&
+      G_UNLIKELY ((clutter_paint_debug_flags & CLUTTER_DEBUG_REDRAWS)))
+    {
+      CoglContext *ctx = cogl_framebuffer_get_context (fb);
+      static CoglPipeline *outline = NULL;
+      ClutterActor *actor = CLUTTER_ACTOR (wrapper);
+      float x_1 = redraw_rect.x;
+      float x_2 = redraw_rect.x + redraw_rect.width;
+      float y_1 = redraw_rect.y;
+      float y_2 = redraw_rect.y + redraw_rect.height;
+      CoglVertexP2 quad[4] = {
+        { x_1, y_1 },
+        { x_2, y_1 },
+        { x_2, y_2 },
+        { x_1, y_2 }
+      };
+      CoglPrimitive *prim;
+      CoglMatrix modelview;
+
+      if (outline == NULL)
+        {
+          outline = cogl_pipeline_new (ctx);
+          cogl_pipeline_set_color4ub (outline, 0xff, 0x00, 0x00, 0xff);
+        }
+
+      prim = cogl_primitive_new_p2 (ctx,
+                                    COGL_VERTICES_MODE_LINE_LOOP,
+                                    4, /* n_vertices */
+                                    quad);
+
+      cogl_framebuffer_push_matrix (fb);
+      cogl_matrix_init_identity (&modelview);
+      _clutter_actor_apply_modelview_transform (actor, &modelview);
+      cogl_framebuffer_set_modelview_matrix (fb, &modelview);
+      cogl_framebuffer_draw_primitive (fb, outline, prim);
+      cogl_framebuffer_pop_matrix (fb);
+      cogl_object_unref (prim);
     }
 
   /* XXX: It seems there will be a race here in that the stage
@@ -702,42 +900,65 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
    * artefacts.
    */
   if (use_clipped_redraw)
-    swap_region = cairo_region_copy (fb_clip_region);
+    {
+      if (clip_region_empty)
+        {
+          do_swap_buffer = FALSE;
+        }
+      else
+        {
+          swap_region = cairo_region_copy (fb_clip_region);
+          do_swap_buffer = TRUE;
+        }
+    }
   else
-    swap_region = cairo_region_create ();
+    {
+      swap_region = cairo_region_create ();
+      do_swap_buffer = TRUE;
+    }
 
   g_clear_pointer (&redraw_clip, cairo_region_destroy);
   g_clear_pointer (&fb_clip_region, cairo_region_destroy);
 
-  COGL_TRACE_BEGIN_SCOPED (ClutterStageCoglRedrawViewSwapFramebuffer,
+  if (do_swap_buffer)
-                           "Paint (swap framebuffer)");
-
-  if (clutter_stage_view_get_onscreen (view) !=
-      clutter_stage_view_get_framebuffer (view))
     {
-      cairo_region_t *transformed_swap_region;
+      gboolean res;
+
+      COGL_TRACE_BEGIN_SCOPED (ClutterStageCoglRedrawViewSwapFramebuffer,
+                               "Paint (swap framebuffer)");
+
+      if (clutter_stage_view_get_onscreen (view) !=
+          clutter_stage_view_get_framebuffer (view))
+        {
+          cairo_region_t *transformed_swap_region;
+
+          transformed_swap_region =
+            transform_swap_region_to_onscreen (view, swap_region);
+          cairo_region_destroy (swap_region);
+          swap_region = transformed_swap_region;
+        }
+
+      if (queued_redraw_clip)
+        {
+          paint_damage_region (stage_window, view,
+                               swap_region, queued_redraw_clip);
+          cairo_region_destroy (queued_redraw_clip);
+        }
+
+      res = swap_framebuffer (stage_window,
+                              view,
+                              swap_region,
+                              swap_with_damage);
 
-      transformed_swap_region =
-        transform_swap_region_to_onscreen (view, swap_region);
       cairo_region_destroy (swap_region);
-      swap_region = transformed_swap_region;
-    }
 
-  if (queued_redraw_clip)
+      return res;
+    }
+  else
     {
-      paint_damage_region (stage_window, view,
+      g_clear_pointer (&queued_redraw_clip, cairo_region_destroy);
-                           swap_region, queued_redraw_clip);
+      return FALSE;
-      cairo_region_destroy (queued_redraw_clip);
     }
-
-  res = swap_framebuffer (stage_window,
-                          view,
-                          swap_region,
-                          swap_with_damage);
-
-  cairo_region_destroy (swap_region);
-
-  return res;
 }
 
 static void
@@ -862,31 +1083,12 @@ _clutter_stage_cogl_init (ClutterStageCogl *stage)
   stage->update_time = -1;
 }
 
-static void
-clutter_stage_view_cogl_finalize (GObject *object)
-{
-  ClutterStageViewCogl *view_cogl = CLUTTER_STAGE_VIEW_COGL (object);
-  ClutterStageViewCoglPrivate *view_priv =
-    clutter_stage_view_cogl_get_instance_private (view_cogl);
-
-  clutter_damage_history_free (view_priv->damage_history);
-
-  G_OBJECT_CLASS (clutter_stage_view_cogl_parent_class)->finalize (object);
-}
-
 static void
 clutter_stage_view_cogl_init (ClutterStageViewCogl *view_cogl)
 {
-  ClutterStageViewCoglPrivate *view_priv =
-    clutter_stage_view_cogl_get_instance_private (view_cogl);
-
-  view_priv->damage_history = clutter_damage_history_new ();
 }
 
 static void
 clutter_stage_view_cogl_class_init (ClutterStageViewCoglClass *klass)
 {
-  GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
-  object_class->finalize = clutter_stage_view_cogl_finalize;
 }

clutter/clutter/deprecated/clutter-alpha.c

@@ -0,0 +1,819 @@
+/*
+ * Clutter.
+ *
+ * An OpenGL based 'interactive canvas' library.
+ *
+ * Authored By Matthew Allum  <mallum@openedhand.com>
+ *             Jorn Baayen  <jorn@openedhand.com>
+ *             Emmanuele Bassi  <ebassi@openedhand.com>
+ *             Tomas Frydrych <tf@openedhand.com>
+ *
+ * Copyright (C) 2006, 2007, 2008 OpenedHand
+ * Copyright (C) 2009, 2010 Intel Corp.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * SECTION:clutter-alpha
+ * @short_description: A class for calculating a value as a function of time
+ *
+ * #ClutterAlpha is a class for calculating an floating point value
+ * dependent only on the position of a #ClutterTimeline.
+ *
+ * For newly written code, it is recommended to use the
+ * #ClutterTimeline:progress-mode property of #ClutterTimeline, or the
+ * clutter_timeline_set_progress_func() function instead of #ClutterAlpha.
+ * The #ClutterAlpha class will be deprecated in the future, and will not
+ * be available any more in the next major version of Clutter.
+ *
+ * A #ClutterAlpha binds a #ClutterTimeline to a progress function which
+ * translates the time T into an adimensional factor alpha.
+ *
+ * You should provide a #ClutterTimeline and bind it to the #ClutterAlpha
+ * instance using clutter_alpha_set_timeline(). You should also set an
+ * "animation mode", by using the #ClutterAnimationMode values that
+ * Clutter provides.
+ *
+ * Instead of a #ClutterAnimationMode you may provide a function returning
+ * the alpha value depending on the progress of the timeline, using
+ * clutter_alpha_set_func() or clutter_alpha_set_closure(). The alpha
+ * function will be executed each time a new frame in the #ClutterTimeline
+ * is reached.
+ *
+ * Since the alpha function is controlled by the timeline instance, you can
+ * pause, stop or resume the #ClutterAlpha from calling the alpha function by
+ * using the appropriate functions of the #ClutterTimeline object.
+ *
+ * #ClutterAlpha is available since Clutter 0.2.
+ *
+ * #ClutterAlpha is deprecated since Clutter 1.12. #ClutterTimeline and
+ * the #ClutterTimeline:progress-mode property replace this whole class.
+ *
+ * ## ClutterAlpha custom properties for #ClutterScript
+ *
+ * #ClutterAlpha defines a custom `function` property for
+ * #ClutterScript which allows to reference a custom alpha function
+ * available in the source code. Setting the `function` property
+ * is equivalent to calling clutter_alpha_set_func() with the
+ * specified function name. No user data or #GDestroyNotify is
+ * available to be passed.
+ *
+ * The following JSON fragment defines a #ClutterAlpha
+ * using a #ClutterTimeline with id "sine-timeline" and an alpha
+ * function called `my_sine_alpha`.
+ *
+ * |[
+ * {
+ *   "id" : "sine-alpha",
+ *   "timeline" : {
+ *     "id" : "sine-timeline",
+ *     "duration" : 500,
+ *     "loop" : true
+ *   },
+ *   "function" : "my_sine_alpha"
+ * }
+ * ]|
+ */
+
+#include "clutter-build-config.h"
+
+#include <math.h>
+
+#include <gmodule.h>
+
+#define CLUTTER_DISABLE_DEPRECATION_WARNINGS
+
+#include "clutter-alpha.h"
+#include "clutter-debug.h"
+#include "clutter-enum-types.h"
+#include "clutter-easing.h"
+#include "clutter-main.h"
+#include "clutter-marshal.h"
+#include "clutter-private.h"
+#include "clutter-scriptable.h"
+#include "clutter-script-private.h"
+
+struct _ClutterAlphaPrivate
+{
+  ClutterTimeline *timeline;
+  guint timeline_new_frame_id;
+
+  gdouble alpha;
+
+  GClosure *closure;
+
+  ClutterAlphaFunc func;
+  gpointer user_data;
+  GDestroyNotify notify;
+
+  gulong mode;
+};
+
+enum
+{
+  PROP_0,
+  
+  PROP_TIMELINE,
+  PROP_ALPHA,
+  PROP_MODE,
+
+  PROP_LAST
+};
+
+static GParamSpec *obj_props[PROP_LAST];
+
+static void clutter_scriptable_iface_init (ClutterScriptableIface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (ClutterAlpha,
+                         clutter_alpha,
+                         G_TYPE_INITIALLY_UNOWNED,
+                         G_ADD_PRIVATE (ClutterAlpha)
+                         G_IMPLEMENT_INTERFACE (CLUTTER_TYPE_SCRIPTABLE,
+                                                clutter_scriptable_iface_init));
+
+static void
+timeline_new_frame_cb (ClutterTimeline *timeline,
+                       guint            msecs,
+                       ClutterAlpha    *alpha)
+{
+  ClutterAlphaPrivate *priv = alpha->priv;
+
+  /* Update alpha value and notify */
+  priv->alpha = clutter_alpha_get_alpha (alpha);
+  g_object_notify_by_pspec (G_OBJECT (alpha), obj_props[PROP_ALPHA]);
+}
+
+static void 
+clutter_alpha_set_property (GObject      *object, 
+			    guint         prop_id,
+			    const GValue *value, 
+			    GParamSpec   *pspec)
+{
+  ClutterAlpha *alpha = CLUTTER_ALPHA (object);
+
+  switch (prop_id) 
+    {
+    case PROP_TIMELINE:
+      clutter_alpha_set_timeline (alpha, g_value_get_object (value));
+      break;
+
+    case PROP_MODE:
+      clutter_alpha_set_mode (alpha, g_value_get_ulong (value));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static void 
+clutter_alpha_get_property (GObject    *object, 
+			    guint       prop_id,
+			    GValue     *value, 
+			    GParamSpec *pspec)
+{
+  ClutterAlphaPrivate *priv = CLUTTER_ALPHA (object)->priv;
+
+  switch (prop_id) 
+    {
+    case PROP_TIMELINE:
+      g_value_set_object (value, priv->timeline);
+      break;
+
+    case PROP_ALPHA:
+      g_value_set_double (value, priv->alpha);
+      break;
+
+    case PROP_MODE:
+      g_value_set_ulong (value, priv->mode);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static void 
+clutter_alpha_finalize (GObject *object)
+{
+  ClutterAlphaPrivate *priv = CLUTTER_ALPHA (object)->priv;
+
+  if (priv->notify != NULL)
+    priv->notify (priv->user_data);
+  else if (priv->closure != NULL)
+    g_closure_unref (priv->closure);
+
+  G_OBJECT_CLASS (clutter_alpha_parent_class)->finalize (object);
+}
+
+static void 
+clutter_alpha_dispose (GObject *object)
+{
+  ClutterAlpha *self = CLUTTER_ALPHA(object);
+
+  clutter_alpha_set_timeline (self, NULL);
+
+  G_OBJECT_CLASS (clutter_alpha_parent_class)->dispose (object);
+}
+
+static ClutterAlphaFunc
+resolve_alpha_func (const gchar *name)
+{
+  static GModule *module = NULL;
+  ClutterAlphaFunc func;
+
+  CLUTTER_NOTE (SCRIPT, "Looking up '%s' alpha function", name);
+
+  if (G_UNLIKELY (module == NULL))
+    module = g_module_open (NULL, 0);
+
+  if (g_module_symbol (module, name, (gpointer) &func))
+    {
+      CLUTTER_NOTE (SCRIPT, "Found '%s' alpha function in the symbols table",
+                    name);
+      return func;
+    }
+
+  return NULL;
+}
+
+static void
+clutter_alpha_set_custom_property (ClutterScriptable *scriptable,
+                                   ClutterScript     *script,
+                                   const gchar       *name,
+                                   const GValue      *value)
+{
+  if (strncmp (name, "function", 8) == 0)
+    {
+      g_assert (G_VALUE_HOLDS (value, G_TYPE_POINTER));
+      if (g_value_get_pointer (value) != NULL)
+        {
+          clutter_alpha_set_func (CLUTTER_ALPHA (scriptable),
+                                  g_value_get_pointer (value),
+                                  NULL, NULL);
+        }
+    }
+  else
+    g_object_set_property (G_OBJECT (scriptable), name, value);
+}
+
+static gboolean
+clutter_alpha_parse_custom_node (ClutterScriptable *scriptable,
+                                 ClutterScript     *script,
+                                 GValue            *value,
+                                 const gchar       *name,
+                                 JsonNode          *node)
+{
+  if (strncmp (name, "function", 8) == 0)
+    {
+      const gchar *func_name = json_node_get_string (node);
+
+      g_value_init (value, G_TYPE_POINTER);
+      g_value_set_pointer (value, resolve_alpha_func (func_name));
+
+      return TRUE;
+    }
+
+  /* we need to do this because we use gulong in place
+   * of ClutterAnimationMode for ClutterAlpha:mode
+   */
+  if (strncmp (name, "mode", 4) == 0)
+    {
+      gulong mode;
+
+      mode = _clutter_script_resolve_animation_mode (node);
+
+      g_value_init (value, G_TYPE_ULONG);
+      g_value_set_ulong (value, mode);
+
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+static void
+clutter_scriptable_iface_init (ClutterScriptableIface *iface)
+{
+  iface->parse_custom_node = clutter_alpha_parse_custom_node;
+  iface->set_custom_property = clutter_alpha_set_custom_property;
+}
+
+static void
+clutter_alpha_class_init (ClutterAlphaClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->set_property = clutter_alpha_set_property;
+  object_class->get_property = clutter_alpha_get_property;
+  object_class->finalize     = clutter_alpha_finalize;
+  object_class->dispose      = clutter_alpha_dispose;
+
+  /**
+   * ClutterAlpha:timeline:
+   *
+   * A #ClutterTimeline instance used to drive the alpha function.
+   *
+   * Since: 0.2
+   *
+   * Deprecated: 1.12
+   */
+  obj_props[PROP_TIMELINE] =
+    g_param_spec_object ("timeline",
+                               P_("Timeline"),
+                               P_("Timeline used by the alpha"),
+                               CLUTTER_TYPE_TIMELINE,
+                               CLUTTER_PARAM_READWRITE);
+
+  /**
+   * ClutterAlpha:alpha:
+   *
+   * The alpha value as computed by the alpha function. The linear
+   * interval is 0.0 to 1.0, but the Alpha allows overshooting by
+   * one unit in each direction, so the valid interval is -1.0 to 2.0.
+   *
+   * Since: 0.2
+   * Deprecated: 1.12: Use #ClutterTimeline::new-frame and
+   *   clutter_timeline_get_progress() instead
+   */
+  obj_props[PROP_ALPHA] =
+    g_param_spec_double ("alpha",
+                               P_("Alpha value"),
+                               P_("Alpha value as computed by the alpha"),
+                               -1.0, 2.0,
+                               0.0,
+                               CLUTTER_PARAM_READABLE);
+
+  /**
+   * ClutterAlpha:mode:
+   *
+   * The progress function logical id - a value from the
+   * #ClutterAnimationMode enumeration.
+   *
+   * If %CLUTTER_CUSTOM_MODE is used then the function set using
+   * clutter_alpha_set_closure() or clutter_alpha_set_func()
+   * will be used.
+   *
+   * Since: 1.0
+   * Deprecated: 1.12: Use #ClutterTimeline:progress-mode
+   */
+  obj_props[PROP_MODE] =
+    g_param_spec_ulong ("mode",
+                              P_("Mode"),
+                              P_("Progress mode"),
+                              0, G_MAXULONG,
+                              CLUTTER_CUSTOM_MODE,
+                              G_PARAM_CONSTRUCT | CLUTTER_PARAM_READWRITE);
+
+  g_object_class_install_properties (object_class,
+                                     PROP_LAST,
+                                     obj_props);
+}
+
+static void
+clutter_alpha_init (ClutterAlpha *self)
+{
+  self->priv = clutter_alpha_get_instance_private (self);
+  self->priv->mode = CLUTTER_CUSTOM_MODE;
+  self->priv->alpha = 0.0;
+}
+
+/**
+ * clutter_alpha_get_alpha:
+ * @alpha: A #ClutterAlpha
+ *
+ * Query the current alpha value.
+ *
+ * Return Value: The current alpha value for the alpha
+ *
+ * Since: 0.2
+ *
+ * Deprecated: 1.12: Use clutter_timeline_get_progress()
+ */
+gdouble
+clutter_alpha_get_alpha (ClutterAlpha *alpha)
+{
+  ClutterAlphaPrivate *priv;
+  gdouble retval = 0;
+
+  g_return_val_if_fail (CLUTTER_IS_ALPHA (alpha), 0);
+
+  priv = alpha->priv;
+
+  if (G_LIKELY (priv->func))
+    {
+      return priv->func (alpha, priv->user_data);
+    }
+  else if (priv->closure)
+    {
+      GValue params = G_VALUE_INIT;
+      GValue result_value = G_VALUE_INIT;
+
+      g_object_ref (alpha);
+
+      g_value_init (&result_value, G_TYPE_DOUBLE);
+
+      g_value_init (&params, CLUTTER_TYPE_ALPHA);
+      g_value_set_object (&params, alpha);
+
+      g_closure_invoke (priv->closure, &result_value, 1, &params, NULL);
+
+      retval = g_value_get_double (&result_value);
+
+      g_value_unset (&result_value);
+      g_value_unset (&params);
+
+      g_object_unref (alpha);
+    }
+
+  return retval;
+}
+
+/*
+ * clutter_alpha_set_closure_internal:
+ * @alpha: a #ClutterAlpha
+ * @closure: a #GClosure
+ *
+ * Sets the @closure for @alpha. This function does not
+ * set the #ClutterAlpha:mode property and does not emit
+ * the #GObject::notify signal for it.
+ */
+static inline void
+clutter_alpha_set_closure_internal (ClutterAlpha *alpha,
+                                    GClosure     *closure)
+{
+  ClutterAlphaPrivate *priv = alpha->priv;
+
+  if (priv->notify != NULL)
+    priv->notify (priv->user_data);
+  else if (priv->closure != NULL)
+    g_closure_unref (priv->closure);
+
+  priv->func = NULL;
+  priv->user_data = NULL;
+  priv->notify = NULL;
+
+  if (closure == NULL)
+    return;
+
+  /* need to take ownership of the closure before sinking it */
+  priv->closure = g_closure_ref (closure);
+  g_closure_sink (closure);
+
+  /* set the marshaller */
+  if (G_CLOSURE_NEEDS_MARSHAL (closure))
+    {
+      GClosureMarshal marshal = _clutter_marshal_DOUBLE__VOID;
+
+      g_closure_set_marshal (priv->closure, marshal);
+    }
+}
+
+/**
+ * clutter_alpha_set_closure:
+ * @alpha: A #ClutterAlpha
+ * @closure: A #GClosure
+ *
+ * Sets the #GClosure used to compute the alpha value at each
+ * frame of the #ClutterTimeline bound to @alpha.
+ *
+ * Since: 0.8
+ *
+ * Deprecated: 1.12: Use clutter_timeline_set_progress_func()
+ */
+void
+clutter_alpha_set_closure (ClutterAlpha *alpha,
+                           GClosure     *closure)
+{
+  ClutterAlphaPrivate *priv;
+
+  g_return_if_fail (CLUTTER_IS_ALPHA (alpha));
+  g_return_if_fail (closure != NULL);
+
+  priv = alpha->priv;
+
+  clutter_alpha_set_closure_internal (alpha, closure);
+
+  priv->mode = CLUTTER_CUSTOM_MODE;
+  g_object_notify_by_pspec (G_OBJECT (alpha), obj_props[PROP_MODE]);
+}
+
+/**
+ * clutter_alpha_set_func:
+ * @alpha: A #ClutterAlpha
+ * @func: A #ClutterAlphaFunc
+ * @data: user data to be passed to the alpha function, or %NULL
+ * @destroy: notify function used when disposing the alpha function
+ *
+ * Sets the #ClutterAlphaFunc function used to compute
+ * the alpha value at each frame of the #ClutterTimeline
+ * bound to @alpha.
+ *
+ * This function will not register @func as a global alpha function.
+ *
+ * Since: 0.2
+ *
+ * Deprecated: 1.12: Use clutter_timeline_set_progress_func()
+ */
+void
+clutter_alpha_set_func (ClutterAlpha    *alpha,
+		        ClutterAlphaFunc func,
+                        gpointer         data,
+                        GDestroyNotify   destroy)
+{
+  ClutterAlphaPrivate *priv;
+
+  g_return_if_fail (CLUTTER_IS_ALPHA (alpha));
+  g_return_if_fail (func != NULL);
+
+  priv = alpha->priv;
+
+  if (priv->notify != NULL)
+    {
+      priv->notify (priv->user_data);
+    }
+  else if (priv->closure != NULL)
+    {
+      g_closure_unref (priv->closure);
+      priv->closure = NULL;
+    }
+
+  priv->func = func;
+  priv->user_data = data;
+  priv->notify = destroy;
+
+  priv->mode = CLUTTER_CUSTOM_MODE;
+
+  g_object_notify_by_pspec (G_OBJECT (alpha), obj_props[PROP_MODE]);
+}
+
+/**
+ * clutter_alpha_set_timeline:
+ * @alpha: A #ClutterAlpha
+ * @timeline: A #ClutterTimeline
+ *
+ * Binds @alpha to @timeline.
+ *
+ * Since: 0.2
+ *
+ * Deprecated: 1.12: Use #ClutterTimeline directly
+ */
+void
+clutter_alpha_set_timeline (ClutterAlpha    *alpha,
+                            ClutterTimeline *timeline)
+{
+  ClutterAlphaPrivate *priv;
+
+  g_return_if_fail (CLUTTER_IS_ALPHA (alpha));
+  g_return_if_fail (timeline == NULL || CLUTTER_IS_TIMELINE (timeline));
+  
+  priv = alpha->priv;
+
+  if (priv->timeline == timeline)
+    return;
+
+  if (priv->timeline)
+    {
+      g_signal_handlers_disconnect_by_func (priv->timeline,
+                                            timeline_new_frame_cb,
+                                            alpha);
+
+      g_object_unref (priv->timeline);
+      priv->timeline = NULL;
+    }
+
+  if (timeline)
+    {
+      priv->timeline = g_object_ref (timeline);
+
+      g_signal_connect (priv->timeline, "new-frame",
+                        G_CALLBACK (timeline_new_frame_cb),
+                        alpha);
+    }
+
+  g_object_notify_by_pspec (G_OBJECT (alpha), obj_props[PROP_TIMELINE]);
+}
+
+/**
+ * clutter_alpha_get_timeline:
+ * @alpha: A #ClutterAlpha
+ *
+ * Gets the #ClutterTimeline bound to @alpha.
+ *
+ * Return value: (transfer none): a #ClutterTimeline instance
+ *
+ * Since: 0.2
+ *
+ * Deprecated: 1.12: Use #ClutterTimeline directlry
+ */
+ClutterTimeline *
+clutter_alpha_get_timeline (ClutterAlpha *alpha)
+{
+  g_return_val_if_fail (CLUTTER_IS_ALPHA (alpha), NULL);
+
+  return alpha->priv->timeline;
+}
+
+/**
+ * clutter_alpha_new:
+ * 
+ * Creates a new #ClutterAlpha instance.  You must set a function
+ * to compute the alpha value using clutter_alpha_set_func() and
+ * bind a #ClutterTimeline object to the #ClutterAlpha instance
+ * using clutter_alpha_set_timeline().
+ *
+ * Return value: the newly created empty #ClutterAlpha instance.
+ *
+ * Since: 0.2
+ *
+ * Deprecated: 1.12: Use #ClutterTimeline instead
+ */
+ClutterAlpha *
+clutter_alpha_new (void)
+{
+  return g_object_new (CLUTTER_TYPE_ALPHA, NULL);
+}
+
+/**
+ * clutter_alpha_new_full:
+ * @timeline: #ClutterTimeline timeline
+ * @mode: animation mode
+ *
+ * Creates a new #ClutterAlpha instance and sets the timeline
+ * and animation mode.
+ *
+ * See also clutter_alpha_set_timeline() and clutter_alpha_set_mode().
+ *
+ * Return Value: the newly created #ClutterAlpha
+ *
+ * Since: 1.0
+ *
+ * Deprecated: 1.12: Use #ClutterTimeline instead
+ */
+ClutterAlpha *
+clutter_alpha_new_full (ClutterTimeline *timeline,
+                        gulong           mode)
+{
+  g_return_val_if_fail (CLUTTER_IS_TIMELINE (timeline), NULL);
+  g_return_val_if_fail (mode != CLUTTER_ANIMATION_LAST, NULL);
+
+  return g_object_new (CLUTTER_TYPE_ALPHA,
+                       "timeline", timeline,
+                       "mode", mode,
+                       NULL);
+}
+
+/**
+ * clutter_alpha_get_mode:
+ * @alpha: a #ClutterAlpha
+ *
+ * Retrieves the #ClutterAnimationMode used by @alpha.
+ *
+ * Return value: the animation mode
+ *
+ * Since: 1.0
+ *
+ * Deprecated: 1.12: Use #ClutterTimeline instead
+ */
+gulong
+clutter_alpha_get_mode (ClutterAlpha *alpha)
+{
+  g_return_val_if_fail (CLUTTER_IS_ALPHA (alpha), CLUTTER_CUSTOM_MODE);
+
+  return alpha->priv->mode;
+}
+
+typedef struct _AlphaData {
+  guint closure_set : 1;
+
+  ClutterAlphaFunc func;
+  gpointer data;
+
+  GClosure *closure;
+} AlphaData;
+
+static GPtrArray *clutter_alphas = NULL;
+
+static gdouble
+clutter_alpha_easing_func (ClutterAlpha *alpha,
+                           gpointer      data G_GNUC_UNUSED)
+{
+  ClutterAlphaPrivate *priv = alpha->priv;
+  ClutterTimeline *timeline = priv->timeline;
+  gdouble t, d;
+
+  if (G_UNLIKELY (priv->timeline == NULL))
+    return 0.0;
+
+  t = clutter_timeline_get_elapsed_time (timeline);
+  d = clutter_timeline_get_duration (timeline);
+
+  return clutter_easing_for_mode (priv->mode, t, d);
+}
+
+/**
+ * clutter_alpha_set_mode:
+ * @alpha: a #ClutterAlpha
+ * @mode: a #ClutterAnimationMode
+ *
+ * Sets the progress function of @alpha using the symbolic value
+ * of @mode, as taken by the #ClutterAnimationMode enumeration.
+ *
+ * Since: 1.0
+ *
+ * Deprecated: 1.12: Use #ClutterTimeline and
+ *   clutter_timeline_set_progress_mode() instead
+ */
+void
+clutter_alpha_set_mode (ClutterAlpha *alpha,
+                        gulong        mode)
+{
+  ClutterAlphaPrivate *priv;
+
+  g_return_if_fail (CLUTTER_IS_ALPHA (alpha));
+  g_return_if_fail (mode != CLUTTER_ANIMATION_LAST);
+
+  priv = alpha->priv;
+
+  if (mode == CLUTTER_CUSTOM_MODE)
+    {
+      priv->mode = mode;
+    }
+  else if (mode < CLUTTER_ANIMATION_LAST)
+    {
+      if (priv->mode == mode)
+        return;
+
+      /* sanity check to avoid getting an out of sync
+       * enum/function mapping
+       */
+      g_assert (clutter_get_easing_func_for_mode (mode) != NULL);
+
+      clutter_alpha_set_closure_internal (alpha, NULL);
+
+      priv->mode = mode;
+
+      CLUTTER_NOTE (ANIMATION, "New easing mode '%s'[%lu]\n",
+                    clutter_get_easing_name_for_mode (priv->mode),
+                    priv->mode);
+
+      priv->func = clutter_alpha_easing_func;
+      priv->user_data = NULL;
+      priv->notify = NULL;
+    }
+  else if (mode > CLUTTER_ANIMATION_LAST)
+    {
+      AlphaData *alpha_data = NULL;
+      gulong real_index = 0;
+
+      if (priv->mode == mode)
+        return;
+
+      if (G_UNLIKELY (clutter_alphas == NULL))
+        {
+          g_warning ("No alpha functions defined for ClutterAlpha to use. ");
+          return;
+        }
+
+      real_index = mode - CLUTTER_ANIMATION_LAST - 1;
+
+      alpha_data = g_ptr_array_index (clutter_alphas, real_index);
+      if (G_UNLIKELY (alpha_data == NULL))
+        {
+          g_warning ("No alpha function registered for mode %lu.",
+                     mode);
+          return;
+        }
+
+      if (alpha_data->closure_set)
+        clutter_alpha_set_closure (alpha, alpha_data->closure);
+      else
+        {
+          clutter_alpha_set_closure_internal (alpha, NULL);
+
+          priv->func = alpha_data->func;
+          priv->user_data = alpha_data->data;
+          priv->notify = NULL;
+        }
+
+      priv->mode = mode;
+    }
+  else
+    g_assert_not_reached ();
+
+  g_object_notify_by_pspec (G_OBJECT (alpha), obj_props[PROP_MODE]);
+}

clutter/clutter/deprecated/clutter-alpha.h

@@ -0,0 +1,138 @@
+/*
+ * Clutter.
+ *
+ * An OpenGL based 'interactive canvas' library.
+ *
+ * Authored By Matthew Allum  <mallum@openedhand.com>
+ *             Jorn Baayen  <jorn@openedhand.com>
+ *             Emmanuele Bassi  <ebassi@openedhand.com>
+ *             Tomas Frydrych <tf@openedhand.com>
+ *
+ * Copyright (C) 2006, 2007, 2008 OpenedHand
+ * Copyright (C) 2009 Intel Corp.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
+#error "Only <clutter/clutter.h> can be included directly."
+#endif
+
+#ifndef __CLUTTER_ALPHA_H__
+#define __CLUTTER_ALPHA_H__
+
+#include <clutter/clutter-timeline.h>
+#include <clutter/clutter-types.h>
+
+G_BEGIN_DECLS
+
+#define CLUTTER_TYPE_ALPHA              (clutter_alpha_get_type ())
+#define CLUTTER_ALPHA(obj)              (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_ALPHA, ClutterAlpha))
+#define CLUTTER_ALPHA_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_ALPHA, ClutterAlphaClass))
+#define CLUTTER_IS_ALPHA(obj)           (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_ALPHA))
+#define CLUTTER_IS_ALPHA_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_ALPHA))
+#define CLUTTER_ALPHA_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_ALPHA, ClutterAlphaClass))
+
+typedef struct _ClutterAlphaClass       ClutterAlphaClass;
+typedef struct _ClutterAlphaPrivate     ClutterAlphaPrivate;
+
+/**
+ * ClutterAlphaFunc:
+ * @alpha: a #ClutterAlpha
+ * @user_data: user data passed to the function
+ *
+ * A function returning a value depending on the position of
+ * the #ClutterTimeline bound to @alpha.
+ *
+ * Return value: a floating point value
+ *
+ * Since: 0.2
+ *
+ * Deprecated: 1.12: Use #ClutterTimelineProgressFunc instead.
+ */
+typedef gdouble (*ClutterAlphaFunc) (ClutterAlpha *alpha,
+                                     gpointer      user_data); 
+
+/**
+ * ClutterAlpha:
+ *
+ * #ClutterAlpha combines a #ClutterTimeline and a function.
+ * The contents of the #ClutterAlpha structure are private and should
+ * only be accessed using the provided API.
+ *
+ * Since: 0.2
+ *
+ * Deprecated: 1.12: Use #ClutterTimeline instead
+ */
+struct _ClutterAlpha
+{
+  /*< private >*/
+  GInitiallyUnowned parent;
+
+  ClutterAlphaPrivate *priv;
+};
+
+/**
+ * ClutterAlphaClass:
+ *
+ * Base class for #ClutterAlpha
+ *
+ * Since: 0.2
+ *
+ * Deprecated: 1.12: Use #ClutterTimeline instead
+ */
+struct _ClutterAlphaClass
+{
+  /*< private >*/
+  GInitiallyUnownedClass parent_class;
+  
+  void (*_clutter_alpha_1) (void);
+  void (*_clutter_alpha_2) (void);
+  void (*_clutter_alpha_3) (void);
+  void (*_clutter_alpha_4) (void);
+  void (*_clutter_alpha_5) (void);
+}; 
+
+CLUTTER_DEPRECATED
+GType clutter_alpha_get_type (void) G_GNUC_CONST;
+
+CLUTTER_DEPRECATED
+ClutterAlpha *   clutter_alpha_new              (void);
+CLUTTER_DEPRECATED
+ClutterAlpha *   clutter_alpha_new_full         (ClutterTimeline  *timeline,
+                                                 gulong            mode);
+CLUTTER_DEPRECATED
+gdouble          clutter_alpha_get_alpha        (ClutterAlpha     *alpha);
+CLUTTER_DEPRECATED
+void             clutter_alpha_set_func         (ClutterAlpha     *alpha,
+                                                 ClutterAlphaFunc  func,
+                                                 gpointer          data,
+                                                 GDestroyNotify    destroy);
+CLUTTER_DEPRECATED
+void             clutter_alpha_set_closure      (ClutterAlpha     *alpha,
+                                                 GClosure         *closure);
+CLUTTER_DEPRECATED
+void             clutter_alpha_set_timeline     (ClutterAlpha     *alpha,
+                                                 ClutterTimeline  *timeline);
+CLUTTER_DEPRECATED
+ClutterTimeline *clutter_alpha_get_timeline     (ClutterAlpha     *alpha);
+CLUTTER_DEPRECATED
+void             clutter_alpha_set_mode         (ClutterAlpha     *alpha,
+                                                 gulong            mode);
+CLUTTER_DEPRECATED
+gulong           clutter_alpha_get_mode         (ClutterAlpha     *alpha);
+
+G_END_DECLS
+
+#endif /* __CLUTTER_ALPHA_H__ */

clutter/clutter/deprecated/clutter-animation.h

@@ -0,0 +1,152 @@
+/*
+ * Clutter.
+ *
+ * An OpenGL based 'interactive canvas' library.
+ *
+ * Copyright (C) 2008  Intel Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   Emmanuele Bassi <ebassi@linux.intel.com>
+ */
+
+#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
+#error "Only <clutter/clutter.h> can be included directly."
+#endif
+
+#ifndef __CLUTTER_ANIMATION_H__
+#define __CLUTTER_ANIMATION_H__
+
+#include <clutter/clutter-types.h>
+
+G_BEGIN_DECLS
+
+#define CLUTTER_TYPE_ANIMATION                  (clutter_animation_get_type ())
+#define CLUTTER_ANIMATION(obj)                  (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_ANIMATION, ClutterAnimation))
+#define CLUTTER_IS_ANIMATION(obj)               (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_ANIMATION))
+#define CLUTTER_ANIMATION_CLASS(klass)          (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_ANIMATION, ClutterAnimationClass))
+#define CLUTTER_IS_ANIMATION_CLASS(klass)       (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_ANIMATION))
+#define CLUTTER_ANIMATION_GET_CLASS(obj)        (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_ANIMATION, ClutterAnimationClass))
+
+typedef struct _ClutterAnimationPrivate         ClutterAnimationPrivate;
+typedef struct _ClutterAnimationClass           ClutterAnimationClass;
+
+/**
+ * ClutterAnimation:
+ *
+ * The #ClutterAnimation structure contains only private data and should
+ * be accessed using the provided functions.
+ *
+ * Since: 1.0
+ *
+ * Deprecated: 1.12: Use the implicit animation on #ClutterActor
+ */
+struct _ClutterAnimation
+{
+  /*< private >*/
+  GObject parent_instance;
+
+  ClutterAnimationPrivate *priv;
+};
+
+/**
+ * ClutterAnimationClass:
+ * @started: class handler for the #ClutterAnimation::started signal
+ * @completed: class handler for the #ClutterAnimation::completed signal
+ *
+ * The #ClutterAnimationClass structure contains only private data and
+ * should be accessed using the provided functions.
+ *
+ * Since: 1.0
+ *
+ * Deprecated: 1.12: Use the implicit animation on #ClutterActor
+ */
+struct _ClutterAnimationClass
+{
+  /*< private >*/
+  GObjectClass parent_class;
+
+  /*< public >*/
+  void (* started)   (ClutterAnimation *animation);
+  void (* completed) (ClutterAnimation *animation);
+
+  /*< private >*/
+  /* padding for future expansion */
+  void (*_clutter_reserved1) (void);
+  void (*_clutter_reserved2) (void);
+  void (*_clutter_reserved3) (void);
+  void (*_clutter_reserved4) (void);
+  void (*_clutter_reserved5) (void);
+  void (*_clutter_reserved6) (void);
+  void (*_clutter_reserved7) (void);
+  void (*_clutter_reserved8) (void);
+};
+
+CLUTTER_DEPRECATED
+GType clutter_animation_get_type (void) G_GNUC_CONST;
+
+CLUTTER_DEPRECATED_FOR(clutter_property_transition_new)
+ClutterAnimation *      clutter_animation_new                   (void);
+
+CLUTTER_DEPRECATED_FOR(clutter_transition_set_animatable)
+void                    clutter_animation_set_object            (ClutterAnimation     *animation,
+                                                                 GObject              *object);
+CLUTTER_DEPRECATED_FOR(clutter_timeline_set_progress_mode)
+void                    clutter_animation_set_mode              (ClutterAnimation     *animation,
+                                                                 gulong                mode);
+CLUTTER_DEPRECATED_FOR(clutter_timeline_get_progress_mode)
+gulong                  clutter_animation_get_mode              (ClutterAnimation     *animation);
+CLUTTER_DEPRECATED_FOR(clutter_timeline_set_duration)
+void                    clutter_animation_set_duration          (ClutterAnimation     *animation,
+                                                                 guint                 msecs);
+CLUTTER_DEPRECATED_FOR(clutter_timeline_get_duration)
+guint                   clutter_animation_get_duration          (ClutterAnimation     *animation);
+CLUTTER_DEPRECATED_FOR(clutter_timeline_set_repeat_count)
+void                    clutter_animation_set_loop              (ClutterAnimation     *animation,
+                                                                 gboolean              loop);
+CLUTTER_DEPRECATED_FOR(clutter_timeline_get_repeat_count)
+gboolean                clutter_animation_get_loop              (ClutterAnimation     *animation);
+CLUTTER_DEPRECATED
+void                    clutter_animation_set_timeline          (ClutterAnimation     *animation,
+                                                                 ClutterTimeline      *timeline);
+CLUTTER_DEPRECATED
+ClutterTimeline *       clutter_animation_get_timeline          (ClutterAnimation     *animation);
+CLUTTER_DEPRECATED
+gboolean                clutter_animation_has_property          (ClutterAnimation     *animation,
+                                                                 const gchar          *property_name);
+CLUTTER_DEPRECATED
+ClutterInterval     *   clutter_animation_get_interval          (ClutterAnimation     *animation,
+                                                                 const gchar          *property_name);
+
+/*
+ * ClutterActor API
+ */
+
+CLUTTER_DEPRECATED
+ClutterAnimation *      clutter_actor_animate                   (ClutterActor         *actor,
+                                                                 gulong                mode,
+                                                                 guint                 duration,
+                                                                 const gchar          *first_property_name,
+                                                                 ...) G_GNUC_NULL_TERMINATED;
+CLUTTER_DEPRECATED
+ClutterAnimation *      clutter_actor_animate_with_timeline     (ClutterActor         *actor,
+                                                                 gulong                mode,
+                                                                 ClutterTimeline      *timeline,
+                                                                 const gchar          *first_property_name,
+                                                                 ...) G_GNUC_NULL_TERMINATED;
+
+G_END_DECLS
+
+#endif /* __CLUTTER_ANIMATION_DEPRECATED_H__ */

clutter/clutter/deprecated/clutter-group.c

@@ -333,20 +333,21 @@ clutter_group_real_get_preferred_height (ClutterActor *actor,
 
 static void
 clutter_group_real_allocate (ClutterActor           *actor,
-                             const ClutterActorBox  *allocation)
+                             const ClutterActorBox  *allocation,
+                             ClutterAllocationFlags  flags)
 {
   ClutterGroupPrivate *priv = CLUTTER_GROUP (actor)->priv;
   ClutterActorClass *klass;
 
   klass = CLUTTER_ACTOR_CLASS (clutter_group_parent_class);
-  klass->allocate (actor, allocation);
+  klass->allocate (actor, allocation, flags);
 
   if (priv->children == NULL)
     return;
 
   clutter_layout_manager_allocate (priv->layout,
                                    CLUTTER_CONTAINER (actor),
-                                   allocation);
+                                   allocation, flags);
 }
 
 static void

clutter/clutter/deprecated/clutter-state.h

@@ -0,0 +1,147 @@
+/*
+ * Clutter.
+ *
+ * An OpenGL based 'interactive canvas' library.
+ *
+ * Authored By Øyvind Kolås <pippin@linux.intel.com>
+ *
+ * Copyright (C) 2009 Intel Corporation
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __CLUTTER_STATE_H__
+#define __CLUTTER_STATE_H__
+
+#include <clutter/clutter-types.h>
+
+G_BEGIN_DECLS
+
+#define CLUTTER_TYPE_STATE_KEY          (clutter_state_key_get_type ())
+#define CLUTTER_TYPE_STATE              (clutter_state_get_type ())
+#define CLUTTER_STATE(obj)              (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_STATE, ClutterState))
+#define CLUTTER_STATE_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_STATE, ClutterStateClass))
+#define CLUTTER_IS_STATE(obj)           (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_STATE))
+#define CLUTTER_IS_STATE_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_STATE))
+#define CLUTTER_STATE_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_STATE, ClutterStateClass))
+
+typedef struct _ClutterStatePrivate ClutterStatePrivate;
+typedef struct _ClutterStateClass   ClutterStateClass;
+
+/**
+ * ClutterStateKey:
+ *
+ * #ClutterStateKey is an opaque structure whose
+ * members cannot be accessed directly
+ *
+ * Since: 1.4
+ */
+typedef struct _ClutterStateKey     ClutterStateKey;
+
+/**
+ * ClutterState:
+ *
+ * The #ClutterState structure contains only
+ * private data and should be accessed using the provided API
+ *
+ * Since: 1.4
+ */
+struct _ClutterState
+{
+  /*< private >*/
+  GObject        parent;
+  ClutterStatePrivate *priv;
+};
+
+/**
+ * ClutterStateClass:
+ * @completed: class handler for the #ClutterState::completed signal
+ *
+ * The #ClutterStateClass structure contains
+ * only private data
+ *
+ * Since: 1.4
+ *
+ * Deprecated: 1.12
+ */
+struct _ClutterStateClass
+{
+  /*< private >*/
+  GObjectClass parent_class;
+
+  /*< public >*/
+  void (* completed) (ClutterState *state);
+
+  /*< private >*/
+  /* padding for future expansion */
+  gpointer _padding_dummy[8];
+};
+
+CLUTTER_DEPRECATED
+GType clutter_state_get_type (void) G_GNUC_CONST;
+
+CLUTTER_DEPRECATED
+ClutterState    *clutter_state_new            (void);
+
+
+CLUTTER_DEPRECATED
+ClutterTimeline * clutter_state_set_state     (ClutterState    *state,
+                                               const gchar     *target_state_name);
+CLUTTER_DEPRECATED
+ClutterTimeline * clutter_state_warp_to_state (ClutterState    *state,
+                                               const gchar     *target_state_name);
+CLUTTER_DEPRECATED
+ClutterState *    clutter_state_set_key       (ClutterState    *state,
+                                               const gchar     *source_state_name,
+                                               const gchar     *target_state_name,
+                                               GObject         *object,
+                                               const gchar     *property_name,
+                                               guint            mode,
+                                               const GValue    *value,
+                                               gdouble          pre_delay,
+                                               gdouble          post_delay);
+CLUTTER_DEPRECATED
+void              clutter_state_set_duration  (ClutterState    *state,
+                                               const gchar     *source_state_name,
+                                               const gchar     *target_state_name,
+                                               guint            duration);
+CLUTTER_DEPRECATED
+guint             clutter_state_get_duration  (ClutterState    *state,
+                                               const gchar     *source_state_name,
+                                               const gchar     *target_state_name);
+CLUTTER_DEPRECATED
+void              clutter_state_set           (ClutterState    *state,
+                                               const gchar     *source_state_name,
+                                               const gchar     *target_state_name,
+                                               gpointer         first_object,
+                                               const gchar     *first_property_name,
+                                               gulong           first_mode,
+                                                ...) G_GNUC_NULL_TERMINATED;
+CLUTTER_DEPRECATED
+GList           * clutter_state_get_states    (ClutterState    *state);
+CLUTTER_DEPRECATED
+const gchar *     clutter_state_get_state     (ClutterState    *state);
+
+/*
+ * ClutterStateKey
+ */
+
+CLUTTER_DEPRECATED
+GType                 clutter_state_key_get_type              (void) G_GNUC_CONST;
+CLUTTER_DEPRECATED
+GType                 clutter_state_key_get_property_type     (const ClutterStateKey *key);
+
+G_END_DECLS
+
+#endif /* __CLUTTER_STATE_H__ */

clutter/clutter/meson.build

@@ -114,7 +114,6 @@ clutter_sources = [
   'clutter-constraint.c',
   'clutter-container.c',
   'clutter-content.c',
-  'clutter-damage-history.c',
   'clutter-deform-effect.c',
   'clutter-desaturate-effect.c',
   'clutter-effect.c',
@@ -186,7 +185,6 @@ clutter_private_headers = [
   'clutter-bezier.h',
   'clutter-constraint-private.h',
   'clutter-content-private.h',
-  'clutter-damage-history.h',
   'clutter-debug.h',
   'clutter-easing.h',
   'clutter-effect-private.h',
@@ -221,18 +219,24 @@ clutter_nonintrospected_sources = [
 
 clutter_deprecated_headers = [
   'deprecated/clutter-actor.h',
+  'deprecated/clutter-alpha.h',
+  'deprecated/clutter-animation.h',
   'deprecated/clutter-box.h',
   'deprecated/clutter-container.h',
   'deprecated/clutter-group.h',
   'deprecated/clutter-rectangle.h',
   'deprecated/clutter-stage.h',
+  'deprecated/clutter-state.h',
   'deprecated/clutter-timeline.h',
 ]
 
 clutter_deprecated_sources = [
+  'deprecated/clutter-alpha.c',
+  'deprecated/clutter-animation.c',
   'deprecated/clutter-box.c',
   'deprecated/clutter-group.c',
   'deprecated/clutter-rectangle.c',
+  'deprecated/clutter-state.c',
 ]
 
 clutter_backend_sources = []

cogl/cogl/cogl-blit.c

@@ -158,7 +158,7 @@ _cogl_blit_framebuffer_begin (CoglBlitData *data)
      supported. */
   if ((_cogl_texture_get_format (data->src_tex) & COGL_PREMULT_BIT) !=
       (_cogl_texture_get_format (data->dst_tex) & COGL_PREMULT_BIT) ||
-      !cogl_has_feature (ctx, COGL_FEATURE_ID_BLIT_FRAMEBUFFER))
+      !_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_BLIT_FRAMEBUFFER))
     return FALSE;
 
   dst_offscreen = _cogl_offscreen_new_with_texture_full

cogl/cogl/cogl-context.h

@@ -193,8 +193,6 @@ cogl_is_context (void *object);
  *    expected to return age values other than 0.
  * @COGL_FEATURE_ID_PRESENTATION_TIME: Whether frame presentation
  *    time stamps will be recorded in #CoglFrameInfo objects.
- * @COGL_FEATURE_ID_BLIT_FRAMEBUFFER: Whether blitting using
- *    cogl_blit_framebuffer() is supported.
  *
  * All the capabilities that can vary between different GPUs supported
  * by Cogl. Applications that depend on any of these features should explicitly
@@ -213,7 +211,6 @@ typedef enum _CoglFeatureID
   COGL_FEATURE_ID_TEXTURE_RG,
   COGL_FEATURE_ID_BUFFER_AGE,
   COGL_FEATURE_ID_TEXTURE_EGL_IMAGE_EXTERNAL,
-  COGL_FEATURE_ID_BLIT_FRAMEBUFFER,
 
   /*< private >*/
   _COGL_N_FEATURE_IDS   /*< skip >*/

cogl/cogl/cogl-dma-buf-handle.c

@@ -34,22 +34,12 @@
 #include "cogl-dma-buf-handle.h"
 #include "cogl-object.h"
 
-#include <errno.h>
-#include <gio/gio.h>
-#include <linux/dma-buf.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
 #include <unistd.h>
 
 struct _CoglDmaBufHandle
 {
   CoglFramebuffer *framebuffer;
   int dmabuf_fd;
-  int width;
-  int height;
-  int stride;
-  int offset;
-  int bpp;
   gpointer user_data;
   GDestroyNotify destroy_func;
 };
@@ -57,11 +47,6 @@ struct _CoglDmaBufHandle
 CoglDmaBufHandle *
 cogl_dma_buf_handle_new (CoglFramebuffer *framebuffer,
                          int              dmabuf_fd,
-                         int              width,
-                         int              height,
-                         int              stride,
-                         int              offset,
-                         int              bpp,
                          gpointer         user_data,
                          GDestroyNotify   destroy_func)
 {
@@ -76,12 +61,6 @@ cogl_dma_buf_handle_new (CoglFramebuffer *framebuffer,
   dmabuf_handle->user_data = user_data;
   dmabuf_handle->destroy_func = destroy_func;
 
-  dmabuf_handle->width = width;
-  dmabuf_handle->height = height;
-  dmabuf_handle->stride = stride;
-  dmabuf_handle->offset = offset;
-  dmabuf_handle->bpp = bpp;
-
   return dmabuf_handle;
 }
 
@@ -101,93 +80,6 @@ cogl_dma_buf_handle_free (CoglDmaBufHandle *dmabuf_handle)
   g_free (dmabuf_handle);
 }
 
-static gboolean
-sync_read (CoglDmaBufHandle  *dmabuf_handle,
-           uint64_t           start_or_end,
-           GError           **error)
-{
-  struct dma_buf_sync sync = { 0 };
-
-  sync.flags = start_or_end | DMA_BUF_SYNC_READ;
-
-  while (TRUE)
-    {
-      int ret;
-
-      ret = ioctl (dmabuf_handle->dmabuf_fd, DMA_BUF_IOCTL_SYNC, &sync);
-      if (ret == -1 && errno == EINTR)
-        {
-          continue;
-        }
-      else if (ret == -1)
-        {
-          g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno),
-                       "ioctl: %s", g_strerror (errno));
-          return FALSE;
-        }
-      else
-        {
-          break;
-        }
-    }
-
-  return TRUE;
-}
-
-gboolean
-cogl_dma_buf_handle_sync_read_start (CoglDmaBufHandle  *dmabuf_handle,
-                                     GError           **error)
-{
-  return sync_read (dmabuf_handle, DMA_BUF_SYNC_START, error);
-}
-
-gboolean
-cogl_dma_buf_handle_sync_read_end (CoglDmaBufHandle  *dmabuf_handle,
-                                   GError           **error)
-{
-  return sync_read (dmabuf_handle, DMA_BUF_SYNC_END, error);
-}
-
-gpointer
-cogl_dma_buf_handle_mmap (CoglDmaBufHandle  *dmabuf_handle,
-                          GError           **error)
-{
-  size_t size;
-  gpointer data;
-
-  size = dmabuf_handle->height * dmabuf_handle->stride;
-
-  data = mmap (NULL, size, PROT_READ, MAP_PRIVATE,
-               dmabuf_handle->dmabuf_fd,
-               dmabuf_handle->offset);
-  if (data == MAP_FAILED)
-    {
-      g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno),
-                   "mmap failed: %s", g_strerror (errno));
-      return NULL;
-    }
-
-  return data;
-}
-
-gboolean
-cogl_dma_buf_handle_munmap (CoglDmaBufHandle  *dmabuf_handle,
-                            gpointer           data,
-                            GError           **error)
-{
-  size_t size;
-
-  size = dmabuf_handle->height * dmabuf_handle->stride;
-  if (munmap (data, size) != 0)
-    {
-      g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno),
-                   "munmap failed: %s", g_strerror (errno));
-      return FALSE;
-    }
-
-  return TRUE;
-}
-
 CoglFramebuffer *
 cogl_dma_buf_handle_get_framebuffer (CoglDmaBufHandle *dmabuf_handle)
 {
@@ -200,32 +92,3 @@ cogl_dma_buf_handle_get_fd (CoglDmaBufHandle *dmabuf_handle)
   return dmabuf_handle->dmabuf_fd;
 }
 
-int
-cogl_dma_buf_handle_get_width (CoglDmaBufHandle *dmabuf_handle)
-{
-  return dmabuf_handle->width;
-}
-
-int
-cogl_dma_buf_handle_get_height (CoglDmaBufHandle *dmabuf_handle)
-{
-  return dmabuf_handle->height;
-}
-
-int
-cogl_dma_buf_handle_get_stride (CoglDmaBufHandle *dmabuf_handle)
-{
-  return dmabuf_handle->stride;
-}
-
-int
-cogl_dma_buf_handle_get_offset (CoglDmaBufHandle *dmabuf_handle)
-{
-  return dmabuf_handle->offset;
-}
-
-int
-cogl_dma_buf_handle_get_bpp (CoglDmaBufHandle *dmabuf_handle)
-{
-  return dmabuf_handle->bpp;
-}

cogl/cogl/cogl-dma-buf-handle.h

@@ -46,12 +46,7 @@
 COGL_EXPORT CoglDmaBufHandle *
 cogl_dma_buf_handle_new (CoglFramebuffer *framebuffer,
                          int              dmabuf_fd,
-                         int              width,
+                         gpointer         data,
-                         int              height,
-                         int              stride,
-                         int              offset,
-                         int              bpp,
-                         gpointer         user_data,
                          GDestroyNotify   destroy_func);
 
 /**
@@ -63,23 +58,6 @@ cogl_dma_buf_handle_new (CoglFramebuffer *framebuffer,
 COGL_EXPORT void
 cogl_dma_buf_handle_free (CoglDmaBufHandle *dmabuf_handle);
 
-COGL_EXPORT gboolean
-cogl_dma_buf_handle_sync_read_start (CoglDmaBufHandle  *dmabuf_handle,
-                                     GError           **error);
-
-COGL_EXPORT gboolean
-cogl_dma_buf_handle_sync_read_end (CoglDmaBufHandle  *dmabuf_handle,
-                                   GError           **error);
-
-COGL_EXPORT gpointer
-cogl_dma_buf_handle_mmap (CoglDmaBufHandle  *dmabuf_handle,
-                          GError           **error);
-
-COGL_EXPORT gboolean
-cogl_dma_buf_handle_munmap (CoglDmaBufHandle  *dmabuf_handle,
-                            gpointer           data,
-                            GError           **error);
-
 /**
  * cogl_dma_buf_handle_get_framebuffer: (skip)
  *
@@ -101,44 +79,5 @@ cogl_dma_buf_handle_get_framebuffer (CoglDmaBufHandle *dmabuf_handle);
 COGL_EXPORT int
 cogl_dma_buf_handle_get_fd (CoglDmaBufHandle *dmabuf_handle);
 
-/**
- * cogl_dmabuf_handle_get_width: (skip)
- *
- * Returns: the buffer width
- */
-COGL_EXPORT int
-cogl_dma_buf_handle_get_width (CoglDmaBufHandle *dmabuf_handle);
-
-/**
- * cogl_dmabuf_handle_get_height: (skip)
- *
- * Returns: the buffer height
- */
-COGL_EXPORT int
-cogl_dma_buf_handle_get_height (CoglDmaBufHandle *dmabuf_handle);
-
-/**
- * cogl_dmabuf_handle_get_stride: (skip)
- *
- * Returns: the buffer stride
- */
-COGL_EXPORT int
-cogl_dma_buf_handle_get_stride (CoglDmaBufHandle *dmabuf_handle);
-
-/**
- * cogl_dmabuf_handle_get_offset: (skip)
- *
- * Returns: the buffer offset
- */
-COGL_EXPORT int
-cogl_dma_buf_handle_get_offset (CoglDmaBufHandle *dmabuf_handle);
-
-/**
- * cogl_dmabuf_handle_get_bpp: (skip)
- *
- * Returns: the number of bytes per pixel
- */
-COGL_EXPORT int
-cogl_dma_buf_handle_get_bpp (CoglDmaBufHandle *dmabuf_handle);
 
 #endif /* __COGL_DMA_BUF_HANDLE_H__ */

cogl/cogl/cogl-framebuffer.c

@@ -1292,7 +1292,7 @@ cogl_blit_framebuffer (CoglFramebuffer *src,
   int src_x1, src_y1, src_x2, src_y2;
   int dst_x1, dst_y1, dst_x2, dst_y2;
 
-  if (!cogl_has_feature (ctx, COGL_FEATURE_ID_BLIT_FRAMEBUFFER))
+  if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_BLIT_FRAMEBUFFER))
     {
       g_set_error_literal (error, COGL_SYSTEM_ERROR,
                            COGL_SYSTEM_ERROR_UNSUPPORTED,

cogl/cogl/cogl-framebuffer.h

@@ -1509,7 +1509,7 @@ cogl_is_framebuffer (void *object);
  *
  * This blits a region of the color buffer of the source buffer
  * to the destination buffer. This function should only be
- * called if the COGL_FEATURE_ID_BLIT_FRAMEBUFFER feature is
+ * called if the COGL_PRIVATE_FEATURE_BLIT_FRAMEBUFFER feature is
  * advertised.
  *
  * The source and destination rectangles are defined in offscreen

cogl/cogl/cogl-pipeline-layer-state.c

@@ -1361,17 +1361,6 @@ cogl_pipeline_set_layer_filters (CoglPipeline      *pipeline,
                                           sampler_state);
 }
 
-void
-cogl_pipeline_set_layer_max_mipmap_level (CoglPipeline *pipeline,
-                                          int           layer,
-                                          int           max_level)
-{
-  CoglTexture *texture = cogl_pipeline_get_layer_texture (pipeline, layer);
-
-  if (texture != NULL)
-    cogl_texture_set_max_level (texture, max_level);
-}
-
 const CoglSamplerCacheEntry *
 _cogl_pipeline_layer_get_sampler_state (CoglPipelineLayer *layer)
 {

cogl/cogl/cogl-pipeline-layer-state.h

@@ -568,11 +568,6 @@ cogl_pipeline_add_layer_snippet (CoglPipeline *pipeline,
                                  int layer,
                                  CoglSnippet *snippet);
 
-COGL_EXPORT void
-cogl_pipeline_set_layer_max_mipmap_level (CoglPipeline *pipeline,
-                                          int           layer,
-                                          int           max_level);
-
 G_END_DECLS
 
 #endif /* __COGL_PIPELINE_LAYER_STATE_H__ */

cogl/cogl/cogl-private.h

@@ -42,6 +42,7 @@ typedef enum
 {
   COGL_PRIVATE_FEATURE_TEXTURE_2D_FROM_EGL_IMAGE,
   COGL_PRIVATE_FEATURE_MESA_PACK_INVERT,
+  COGL_PRIVATE_FEATURE_BLIT_FRAMEBUFFER,
   COGL_PRIVATE_FEATURE_PBOS,
   COGL_PRIVATE_FEATURE_EXT_PACKED_DEPTH_STENCIL,
   COGL_PRIVATE_FEATURE_OES_PACKED_DEPTH_STENCIL,

cogl/cogl/cogl-texture-private.h

@@ -204,8 +204,7 @@ struct _CoglTexture
   CoglContext *context;
   CoglTextureLoader *loader;
   GList *framebuffers;
-  int max_level_set;
+  int max_level;
-  int max_level_requested;
   int width;
   int height;
   gboolean allocated;
@@ -378,10 +377,6 @@ _cogl_texture_needs_premult_conversion (CoglPixelFormat src_format,
 int
 _cogl_texture_get_n_levels (CoglTexture *texture);
 
-void
-cogl_texture_set_max_level (CoglTexture *texture,
-                            int          max_level);
-
 void
 _cogl_texture_get_level_size (CoglTexture *texture,
                               int level,

cogl/cogl/cogl-texture.c

@@ -115,8 +115,7 @@ _cogl_texture_init (CoglTexture *texture,
                     const CoglTextureVtable *vtable)
 {
   texture->context = context;
-  texture->max_level_set = 0;
+  texture->max_level = 0;
-  texture->max_level_requested = 1000; /* OpenGL default GL_TEXTURE_MAX_LEVEL */
   texture->width = width;
   texture->height = height;
   texture->allocated = FALSE;
@@ -230,16 +229,8 @@ _cogl_texture_get_n_levels (CoglTexture *texture)
   int width = cogl_texture_get_width (texture);
   int height = cogl_texture_get_height (texture);
   int max_dimension = MAX (width, height);
-  int n_levels = _cogl_util_fls (max_dimension);
 
-  return MIN (n_levels, texture->max_level_requested + 1);
+  return _cogl_util_fls (max_dimension);
-}
-
-void
-cogl_texture_set_max_level (CoglTexture *texture,
-                            int          max_level)
-{
-  texture->max_level_requested = max_level;
 }
 
 void

cogl/cogl/driver/gl/cogl-framebuffer-gl.c

@@ -388,8 +388,8 @@ _cogl_framebuffer_gl_flush_state (CoglFramebuffer *draw_buffer,
         {
           /* NB: Currently we only take advantage of binding separate
            * read/write buffers for framebuffer blit purposes. */
-          g_return_if_fail (cogl_has_feature
+          g_return_if_fail (_cogl_has_private_feature
-                            (ctx, COGL_FEATURE_ID_BLIT_FRAMEBUFFER));
+                            (ctx, COGL_PRIVATE_FEATURE_BLIT_FRAMEBUFFER));
 
           _cogl_framebuffer_gl_bind (draw_buffer, GL_DRAW_FRAMEBUFFER);
           _cogl_framebuffer_gl_bind (read_buffer, GL_READ_FRAMEBUFFER);

cogl/cogl/driver/gl/cogl-texture-2d-gl.c

@@ -567,9 +567,6 @@ _cogl_texture_2d_gl_copy_from_bitmap (CoglTexture2D *tex_2d,
                                           &gl_format,
                                           &gl_type);
 
-  if (tex->max_level_set < level)
-    cogl_texture_gl_set_max_level (tex, level);
-
   status = ctx->texture_driver->upload_subregion_to_gl (ctx,
                                                         tex,
                                                         src_x, src_y,
@@ -583,6 +580,8 @@ _cogl_texture_2d_gl_copy_from_bitmap (CoglTexture2D *tex_2d,
 
   cogl_object_unref (upload_bmp);
 
+  _cogl_texture_gl_maybe_update_max_level (tex, level);
+
   return status;
 }
 

cogl/cogl/driver/gl/cogl-texture-gl-private.h

@@ -53,8 +53,8 @@ _cogl_texture_gl_flush_legacy_texobj_filters (CoglTexture *texture,
                                               unsigned int mag_filter);
 
 void
-cogl_texture_gl_set_max_level (CoglTexture *texture,
+_cogl_texture_gl_maybe_update_max_level (CoglTexture *texture,
-                               int max_level);
+                                         int max_level);
 
 void
 _cogl_texture_gl_generate_mipmaps (CoglTexture *texture);

cogl/cogl/driver/gl/cogl-texture-gl.c

@@ -97,36 +97,32 @@ _cogl_texture_gl_flush_legacy_texobj_filters (CoglTexture *texture,
                                                    min_filter, mag_filter);
 }
 
-/* GL and GLES3 have this by default, but GLES2 does not except via extension.
- * So really it's probably always available. Even if we used it and it wasn't
- * available in some driver then there are no adverse consequences to the
- * command simply being ignored...
- */
-#ifndef GL_TEXTURE_MAX_LEVEL
-#define GL_TEXTURE_MAX_LEVEL 0x813D
-#endif
-
 void
-cogl_texture_gl_set_max_level (CoglTexture *texture,
+_cogl_texture_gl_maybe_update_max_level (CoglTexture *texture,
-                               int max_level)
+                                         int max_level)
 {
+  /* This isn't supported on GLES */
+#ifdef HAVE_COGL_GL
   CoglContext *ctx = texture->context;
 
-  if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_TEXTURE_MAX_LEVEL))
+  if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_TEXTURE_MAX_LEVEL) &&
+      texture->max_level < max_level)
     {
+      CoglContext *ctx = texture->context;
       GLuint gl_handle;
       GLenum gl_target;
 
       cogl_texture_get_gl_texture (texture, &gl_handle, &gl_target);
 
-      texture->max_level_set = max_level;
+      texture->max_level = max_level;
 
       _cogl_bind_gl_texture_transient (gl_target,
                                        gl_handle);
 
       GE( ctx, glTexParameteri (gl_target,
-                                GL_TEXTURE_MAX_LEVEL, texture->max_level_set));
+                                GL_TEXTURE_MAX_LEVEL, texture->max_level));
     }
+#endif /* HAVE_COGL_GL */
 }
 
 void
@@ -137,8 +133,7 @@ _cogl_texture_gl_generate_mipmaps (CoglTexture *texture)
   GLuint gl_handle;
   GLenum gl_target;
 
-  if (texture->max_level_set != n_levels - 1)
+  _cogl_texture_gl_maybe_update_max_level (texture, n_levels - 1);
-    cogl_texture_gl_set_max_level (texture, n_levels - 1);
 
   cogl_texture_get_gl_texture (texture, &gl_handle, &gl_target);
 

cogl/cogl/driver/gl/gl/cogl-driver-gl.c

@@ -455,8 +455,8 @@ _cogl_driver_update_features (CoglContext *ctx,
                   TRUE);
 
   if (ctx->glBlitFramebuffer)
-    COGL_FLAGS_SET (ctx->features,
+    COGL_FLAGS_SET (private_features,
-                    COGL_FEATURE_ID_BLIT_FRAMEBUFFER, TRUE);
+                    COGL_PRIVATE_FEATURE_BLIT_FRAMEBUFFER, TRUE);
 
   COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_PBOS, TRUE);
 

cogl/cogl/driver/gl/gl/cogl-texture-driver-gl.c

@@ -255,7 +255,7 @@ _cogl_texture_driver_upload_subregion_to_gl (CoglContext *ctx,
        * glTexImage2D first to assert that the storage for this
        * level exists.
        */
-      if (texture->max_level_set < level)
+      if (texture->max_level < level)
         {
           ctx->glTexImage2D (gl_target,
                              level,

cogl/cogl/driver/gl/gles/cogl-driver-gles.c

@@ -318,8 +318,8 @@ _cogl_driver_update_features (CoglContext *context,
     COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_SAMPLER_OBJECTS, TRUE);
 
   if (context->glBlitFramebuffer)
-    COGL_FLAGS_SET (context->features,
+    COGL_FLAGS_SET (private_features,
-                    COGL_FEATURE_ID_BLIT_FRAMEBUFFER, TRUE);
+                    COGL_PRIVATE_FEATURE_BLIT_FRAMEBUFFER, TRUE);
 
   if (_cogl_check_extension ("GL_OES_element_index_uint", gl_extensions))
     {

cogl/cogl/driver/gl/gles/cogl-texture-driver-gles.c

@@ -303,7 +303,7 @@ _cogl_texture_driver_upload_subregion_to_gl (CoglContext *ctx,
        * glTexImage2D first to assert that the storage for this
        * level exists.
        */
-      if (texture->max_level_set < level)
+      if (texture->max_level < level)
         {
           ctx->glTexImage2D (gl_target,
                              level,

cogl/meson.build

@@ -17,7 +17,6 @@ cogl_config_h = configure_file(
 
 cogl_pkg_deps = [
   glib_dep,
-  gio_dep,
   gobject_dep,
   graphene_dep,
 ]

cogl/test-fixtures/test-utils.c

@@ -77,7 +77,7 @@ is_boolean_env_set (const char *variable)
   return ret;
 }
 
-gboolean
+void
 test_utils_init (TestFlags requirement_flags,
                  TestFlags known_failure_flags)
 {
@@ -156,8 +156,6 @@ test_utils_init (TestFlags requirement_flags,
     g_print ("WARNING: Missing required feature[s] for this test\n");
   else if (known_failure)
     g_print ("WARNING: Test is known to fail\n");
-
-  return (!missing_requirement && !known_failure);
 }
 
 void
@@ -252,17 +250,7 @@ void
 test_utils_check_pixel_rgb (CoglFramebuffer *test_fb,
                             int x, int y, int r, int g, int b)
 {
-  g_return_if_fail (r >= 0);
+  test_utils_check_pixel (test_fb, x, y, (r << 24) | (g << 16) | (b << 8));
-  g_return_if_fail (g >= 0);
-  g_return_if_fail (b >= 0);
-  g_return_if_fail (r <= 0xFF);
-  g_return_if_fail (g <= 0xFF);
-  g_return_if_fail (b <= 0xFF);
-
-  test_utils_check_pixel (test_fb, x, y,
-                          (((guint32) r) << 24) |
-                          (((guint32) g) << 16) |
-                          (((guint32) b) << 8));
 }
 
 void

cogl/test-fixtures/test-utils.h

@@ -68,7 +68,7 @@ typedef enum
 extern CoglContext *test_ctx;
 extern CoglFramebuffer *test_fb;
 
-gboolean
+void
 test_utils_init (TestFlags requirement_flags,
                  TestFlags known_failure_flags);
 

cogl/tests/conform/test-atlas-migration.c

@@ -99,9 +99,9 @@ verify_texture (CoglTexture *texture, int size)
             };
 
           test_utils_compare_pixel (p,
-                                    (((guint32) real_color.red) << 24) |
+                                    (real_color.red << 24) |
-                                    (((guint32) real_color.green) << 16) |
+                                    (real_color.green << 16) |
-                                    (((guint32) real_color.blue) << 8) |
+                                    (real_color.blue << 8) |
                                     opacity);
           g_assert_cmpint (p[3], ==, opacity);
 

cogl/tests/conform/test-conform-main.c

@@ -15,17 +15,10 @@
   G_STMT_START {                                                        \
     if (strcmp (#FUNC, argv[1]) == 0)                                   \
       {                                                                 \
-        if (test_utils_init (REQUIREMENTS, KNOWN_FAIL_REQUIREMENTS)     \
+        test_utils_init (REQUIREMENTS, KNOWN_FAIL_REQUIREMENTS);        \
-            || g_getenv ("COGL_TEST_TRY_EVERYTHING") != NULL)           \
+        FUNC ();                                                        \
-          {                                                             \
+        test_utils_fini ();                                             \
-            FUNC ();                                                    \
+        exit (0);                                                       \
-            test_utils_fini ();                                         \
-            exit (0);                                                   \
-          }                                                             \
-        else                                                            \
-          {                                                             \
-            exit (1);                                                   \
-          }                                                             \
       }                                                                 \
   } G_STMT_END
 
@@ -62,7 +55,7 @@ main (int argc, char **argv)
   ADD_TEST (test_pipeline_user_matrix, 0, 0);
   ADD_TEST (test_blend_strings, 0, 0);
   ADD_TEST (test_blend, 0, 0);
-  ADD_TEST (test_premult, 0, 0);
+  ADD_TEST (test_premult, 0, TEST_KNOWN_FAILURE);
   UNPORTED_TEST (test_readpixels);
   ADD_TEST (test_depth_test, 0, 0);
   ADD_TEST (test_backface_culling, 0, TEST_REQUIREMENT_NPOT);

cogl/tests/conform/test-premult.c

@@ -50,7 +50,6 @@ make_texture (uint32_t color,
 	      CoglPixelFormat src_format,
               MakeTextureFlags flags)
 {
-  static CoglUserDataKey bitmap_free_key;
   CoglTexture2D *tex_2d;
   guchar *tex_data = gen_tex_data (color);
   CoglBitmap *bmp = cogl_bitmap_new_for_data (test_ctx,
@@ -59,10 +58,6 @@ make_texture (uint32_t color,
                                               src_format,
                                               QUAD_WIDTH * 4,
                                               tex_data);
-  cogl_object_set_user_data (COGL_OBJECT (bmp),
-                             &bitmap_free_key,
-                             tex_data,
-                             g_free);
 
   tex_2d = cogl_texture_2d_new_from_bitmap (bmp);
 
@@ -72,6 +67,7 @@ make_texture (uint32_t color,
     cogl_texture_set_premultiplied (tex_2d, FALSE);
 
   cogl_object_unref (bmp);
+  g_free (tex_data);
 
   return tex_2d;
 }

cogl/tests/unit/test-unit-main.c

@@ -36,16 +36,10 @@ main (int argc, char **argv)
       return 1;
     }
 
-  if (test_utils_init (unit_test->requirement_flags,
+  test_utils_init (unit_test->requirement_flags,
-                       unit_test->known_failure_flags)
+                   unit_test->known_failure_flags);
-      || g_getenv ("COGL_TEST_TRY_EVERYTHING") != NULL)
+  unit_test->run ();
-    {
+  test_utils_fini ();
-      unit_test->run ();
+
-      test_utils_fini ();
+  return 0;
-      return 0;
-    }
-  else
-    {
-      return 1;
-    }
 }

meson.build

@@ -1,5 +1,5 @@
 project('mutter', 'c',
-  version: '3.37.2',
+  version: '3.37.1',
   meson_version: '>= 0.50.0',
   license: 'GPLv2+'
 )
@@ -487,7 +487,6 @@ output = [
   '        Cogl tests............... ' + have_cogl_tests.to_string(),
   '        Clutter tests............ ' + have_clutter_tests.to_string(),
   '        Installed tests.......... ' + have_installed_tests.to_string(),
-  '        Coverage................. ' + get_option('b_coverage').to_string(),
   '',
   '  Now type \'ninja -C ' + meson.build_root() + '\' to build ' + meson.project_name(),
   '',

src/backends/meta-backend-private.h

@@ -108,14 +108,6 @@ struct _MetaBackendClass
 
 void meta_init_backend (GType backend_gtype);
 
-#ifdef HAVE_WAYLAND
-MetaWaylandCompositor * meta_backend_get_wayland_compositor (MetaBackend *backend);
-
-void meta_backend_init_wayland_display (MetaBackend *backend);
-
-void meta_backend_init_wayland (MetaBackend *backend);
-#endif
-
 ClutterBackend * meta_backend_get_clutter_backend (MetaBackend *backend);
 
 MetaIdleMonitor * meta_backend_get_idle_monitor (MetaBackend        *backend,

src/backends/meta-backend-types.h

@@ -54,6 +54,4 @@ typedef struct _MetaScreenCast MetaScreenCast;
 typedef struct _MetaScreenCastSession MetaScreenCastSession;
 typedef struct _MetaScreenCastStream MetaScreenCastStream;
 
-typedef struct _MetaWaylandCompositor MetaWaylandCompositor;
-
 #endif /* META_BACKEND_TYPE_H */

src/backends/meta-backend.c

@@ -81,10 +81,6 @@
 #include "backends/native/meta-backend-native.h"
 #endif
 
-#ifdef HAVE_WAYLAND
-#include "wayland/meta-wayland.h"
-#endif
-
 enum
 {
   KEYMAP_CHANGED,
@@ -134,10 +130,6 @@ struct _MetaBackendPrivate
   MetaRemoteDesktop *remote_desktop;
 #endif
 
-#ifdef HAVE_WAYLAND
-  MetaWaylandCompositor *wayland_compositor;
-#endif
-
 #ifdef HAVE_PROFILER
   MetaProfiler *profiler;
 #endif
@@ -872,120 +864,6 @@ system_bus_gotten_cb (GObject      *object,
                                         NULL);
 }
 
-#ifdef HAVE_WAYLAND
-MetaWaylandCompositor *
-meta_backend_get_wayland_compositor (MetaBackend *backend)
-{
-  MetaBackendPrivate *priv = meta_backend_get_instance_private (backend);
-
-  return priv->wayland_compositor;
-}
-
-void
-meta_backend_init_wayland_display (MetaBackend *backend)
-{
-  MetaBackendPrivate *priv = meta_backend_get_instance_private (backend);
-
-  priv->wayland_compositor = meta_wayland_compositor_new (backend);
-}
-
-void
-meta_backend_init_wayland (MetaBackend *backend)
-{
-  MetaBackendPrivate *priv = meta_backend_get_instance_private (backend);
-
-  meta_wayland_compositor_setup (priv->wayland_compositor);
-}
-#endif
-
-/* Mutter is responsible for pulling events off the X queue, so Clutter
- * doesn't need (and shouldn't) run its normal event source which polls
- * the X fd, but we do have to deal with dispatching events that accumulate
- * in the clutter queue. This happens, for example, when clutter generate
- * enter/leave events on mouse motion - several events are queued in the
- * clutter queue but only one dispatched. It could also happen because of
- * explicit calls to clutter_event_put(). We add a very simple custom
- * event loop source which is simply responsible for pulling events off
- * of the queue and dispatching them before we block for new events.
- */
-
-static gboolean
-clutter_source_prepare (GSource *source,
-                        int     *timeout)
-{
-  *timeout = -1;
-
-  return clutter_events_pending ();
-}
-
-static gboolean
-clutter_source_check (GSource *source)
-{
-  return clutter_events_pending ();
-}
-
-static gboolean
-clutter_source_dispatch (GSource     *source,
-                         GSourceFunc  callback,
-                         gpointer     user_data)
-{
-  ClutterEvent *event = clutter_event_get ();
-
-  if (event)
-    {
-      clutter_do_event (event);
-      clutter_event_free (event);
-    }
-
-  return TRUE;
-}
-
-static GSourceFuncs clutter_source_funcs = {
-  clutter_source_prepare,
-  clutter_source_check,
-  clutter_source_dispatch
-};
-
-static ClutterBackend *
-meta_get_clutter_backend (void)
-{
-  MetaBackend *backend = meta_get_backend ();
-
-  return meta_backend_get_clutter_backend (backend);
-}
-
-static gboolean
-init_clutter (MetaBackend  *backend,
-              GError      **error)
-{
-  GSource *source;
-
-  clutter_set_custom_backend_func (meta_get_clutter_backend);
-
-  if (clutter_init (NULL, NULL) != CLUTTER_INIT_SUCCESS)
-    {
-      g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
-                   "Unable to initialize Clutter");
-      return FALSE;
-    }
-
-  source = g_source_new (&clutter_source_funcs, sizeof (GSource));
-  g_source_attach (source, NULL);
-  g_source_unref (source);
-
-  return TRUE;
-}
-
-static void
-meta_backend_post_init (MetaBackend *backend)
-{
-  MetaBackendPrivate *priv = meta_backend_get_instance_private (backend);
-
-  META_BACKEND_GET_CLASS (backend)->post_init (backend);
-
-  meta_settings_post_init (priv->settings);
-}
-
 static gboolean
 meta_backend_initable_init (GInitable     *initable,
                             GCancellable  *cancellable,
@@ -1024,11 +902,6 @@ meta_backend_initable_init (GInitable     *initable,
   priv->profiler = meta_profiler_new ();
 #endif
 
-  if (!init_clutter (backend, error))
-    return FALSE;
-
-  meta_backend_post_init (backend);
-
   return TRUE;
 }
 
@@ -1044,6 +917,16 @@ meta_backend_init (MetaBackend *backend)
   _backend = backend;
 }
 
+static void
+meta_backend_post_init (MetaBackend *backend)
+{
+  MetaBackendPrivate *priv = meta_backend_get_instance_private (backend);
+
+  META_BACKEND_GET_CLASS (backend)->post_init (backend);
+
+  meta_settings_post_init (priv->settings);
+}
+
 /**
  * meta_backend_get_idle_monitor: (skip)
  */
@@ -1375,6 +1258,54 @@ meta_backend_set_client_pointer_constraint (MetaBackend           *backend,
     priv->client_pointer_constraint = g_object_ref (constraint);
 }
 
+/* Mutter is responsible for pulling events off the X queue, so Clutter
+ * doesn't need (and shouldn't) run its normal event source which polls
+ * the X fd, but we do have to deal with dispatching events that accumulate
+ * in the clutter queue. This happens, for example, when clutter generate
+ * enter/leave events on mouse motion - several events are queued in the
+ * clutter queue but only one dispatched. It could also happen because of
+ * explicit calls to clutter_event_put(). We add a very simple custom
+ * event loop source which is simply responsible for pulling events off
+ * of the queue and dispatching them before we block for new events.
+ */
+
+static gboolean
+event_prepare (GSource    *source,
+               gint       *timeout_)
+{
+  *timeout_ = -1;
+
+  return clutter_events_pending ();
+}
+
+static gboolean
+event_check (GSource *source)
+{
+  return clutter_events_pending ();
+}
+
+static gboolean
+event_dispatch (GSource    *source,
+                GSourceFunc callback,
+                gpointer    user_data)
+{
+  ClutterEvent *event = clutter_event_get ();
+
+  if (event)
+    {
+      clutter_do_event (event);
+      clutter_event_free (event);
+    }
+
+  return TRUE;
+}
+
+static GSourceFuncs event_funcs = {
+  event_prepare,
+  event_check,
+  event_dispatch
+};
+
 ClutterBackend *
 meta_backend_get_clutter_backend (MetaBackend *backend)
 {
@@ -1389,6 +1320,14 @@ meta_backend_get_clutter_backend (MetaBackend *backend)
   return priv->clutter_backend;
 }
 
+static ClutterBackend *
+meta_get_clutter_backend (void)
+{
+  MetaBackend *backend = meta_get_backend ();
+
+  return meta_backend_get_clutter_backend (backend);
+}
+
 void
 meta_init_backend (GType backend_gtype)
 {
@@ -1405,6 +1344,29 @@ meta_init_backend (GType backend_gtype)
     }
 }
 
+/**
+ * meta_clutter_init: (skip)
+ */
+void
+meta_clutter_init (void)
+{
+  GSource *source;
+
+  clutter_set_custom_backend_func (meta_get_clutter_backend);
+
+  if (clutter_init (NULL, NULL) != CLUTTER_INIT_SUCCESS)
+    {
+      g_warning ("Unable to initialize Clutter.\n");
+      exit (1);
+    }
+
+  source = g_source_new (&event_funcs, sizeof (GSource));
+  g_source_attach (source, NULL);
+  g_source_unref (source);
+
+  meta_backend_post_init (_backend);
+}
+
 /**
  * meta_is_stage_views_enabled:
  *

src/backends/meta-cursor-sprite-xcursor.c

@@ -84,7 +84,6 @@ translate_meta_cursor (MetaCursor cursor)
       return "crosshair";
     case META_CURSOR_IBEAM:
       return "xterm";
-    case META_CURSOR_BLANK:
     case META_CURSOR_NONE:
     case META_CURSOR_LAST:
       break;
@@ -94,48 +93,6 @@ translate_meta_cursor (MetaCursor cursor)
   return NULL;
 }
 
-static Cursor
-create_blank_cursor (Display *xdisplay)
-{
-  Pixmap pixmap;
-  XColor color;
-  Cursor cursor;
-  XGCValues gc_values;
-  GC gc;
-
-  pixmap = XCreatePixmap (xdisplay, DefaultRootWindow (xdisplay), 1, 1, 1);
-
-  gc_values.foreground = BlackPixel (xdisplay, DefaultScreen (xdisplay));
-  gc = XCreateGC (xdisplay, pixmap, GCForeground, &gc_values);
-
-  XFillRectangle (xdisplay, pixmap, gc, 0, 0, 1, 1);
-
-  color.pixel = 0;
-  color.red = color.blue = color.green = 0;
-
-  cursor = XCreatePixmapCursor (xdisplay, pixmap, pixmap, &color, &color, 1, 1);
-
-  XFreeGC (xdisplay, gc);
-  XFreePixmap (xdisplay, pixmap);
-
-  return cursor;
-}
-
-static XcursorImages *
-create_blank_cursor_images (void)
-{
-  XcursorImages *images;
-
-  images = XcursorImagesCreate (1);
-  images->images[0] = XcursorImageCreate (1, 1);
-
-  images->images[0]->xhot = 0;
-  images->images[0]->yhot = 0;
-  memset (images->images[0]->pixels, 0, sizeof(int32_t));
-
-  return images;
-}
-
 MetaCursor
 meta_cursor_sprite_xcursor_get_cursor (MetaCursorSpriteXcursor *sprite_xcursor)
 {
@@ -146,18 +103,12 @@ Cursor
 meta_create_x_cursor (Display    *xdisplay,
                       MetaCursor  cursor)
 {
-  if (cursor == META_CURSOR_BLANK)
-    return create_blank_cursor (xdisplay);
-
   return XcursorLibraryLoadCursor (xdisplay, translate_meta_cursor (cursor));
 }
 
 static XcursorImages *
 load_cursor_on_client (MetaCursor cursor, int scale)
 {
-  if (cursor == META_CURSOR_BLANK)
-    return create_blank_cursor_images ();
-
   return XcursorLibraryLoadImages (translate_meta_cursor (cursor),
                                    meta_prefs_get_cursor_theme (),
                                    meta_prefs_get_cursor_size () * scale);

src/backends/meta-logical-monitor.h

@@ -90,7 +90,6 @@ float meta_logical_monitor_get_scale (MetaLogicalMonitor *logical_monitor);
 
 MetaMonitorTransform meta_logical_monitor_get_transform (MetaLogicalMonitor *logical_monitor);
 
-META_EXPORT_TEST
 MetaRectangle meta_logical_monitor_get_layout (MetaLogicalMonitor *logical_monitor);
 
 META_EXPORT_TEST

src/backends/meta-monitor-transform.h

@@ -49,10 +49,9 @@ meta_monitor_transform_is_rotated (MetaMonitorTransform transform)
 static inline gboolean
 meta_monitor_transform_is_flipped (MetaMonitorTransform transform)
 {
-  return (transform >= META_MONITOR_TRANSFORM_FLIPPED);
+  return (abs(transform) >= META_MONITOR_TRANSFORM_FLIPPED);
 }
 
-META_EXPORT_TEST
 MetaMonitorTransform meta_monitor_transform_invert (MetaMonitorTransform transform);
 
 META_EXPORT_TEST

src/backends/meta-output.c

@@ -35,12 +35,6 @@ meta_output_get_gpu (MetaOutput *output)
   return output->gpu;
 }
 
-const char *
-meta_output_get_name (MetaOutput *output)
-{
-  return output->name;
-}
-
 void
 meta_output_assign_crtc (MetaOutput *output,
                          MetaCrtc   *crtc)

src/backends/meta-output.h

@@ -122,8 +122,6 @@ META_EXPORT_TEST G_DECLARE_FINAL_TYPE (MetaOutput, meta_output, META, OUTPUT, GO
 META_EXPORT_TEST
 MetaGpu * meta_output_get_gpu (MetaOutput *output);
 
-const char * meta_output_get_name (MetaOutput *output);
-
 META_EXPORT_TEST
 void meta_output_assign_crtc (MetaOutput *output,
                               MetaCrtc   *crtc);

src/backends/meta-remote-desktop-session.c

@@ -55,7 +55,6 @@ struct _MetaRemoteDesktopSession
 
   MetaScreenCastSession *screen_cast_session;
   gulong screen_cast_session_closed_handler_id;
-  guint started : 1;
 
   ClutterVirtualInputDevice *virtual_pointer;
   ClutterVirtualInputDevice *virtual_keyboard;
@@ -120,7 +119,7 @@ meta_remote_desktop_session_start (MetaRemoteDesktopSession *session,
   ClutterBackend *backend = clutter_get_default_backend ();
   ClutterSeat *seat = clutter_backend_get_default_seat (backend);
 
-  g_assert (!session->started);
+  g_assert (!session->virtual_pointer && !session->virtual_keyboard);
 
   if (session->screen_cast_session)
     {
@@ -136,7 +135,6 @@ meta_remote_desktop_session_start (MetaRemoteDesktopSession *session,
     clutter_seat_create_virtual_device (seat, CLUTTER_TOUCHSCREEN_DEVICE);
 
   init_remote_access_handle (session);
-  session->started = TRUE;
 
   return TRUE;
 }
@@ -147,8 +145,6 @@ meta_remote_desktop_session_close (MetaRemoteDesktopSession *session)
   MetaDBusRemoteDesktopSession *skeleton =
     META_DBUS_REMOTE_DESKTOP_SESSION (session);
 
-  session->started = FALSE;
-
   if (session->screen_cast_session)
     {
       g_clear_signal_handler (&session->screen_cast_session_closed_handler_id,
@@ -253,37 +249,6 @@ check_permission (MetaRemoteDesktopSession *session,
                     g_dbus_method_invocation_get_sender (invocation)) == 0;
 }
 
-static gboolean
-meta_remote_desktop_session_check_can_notify (MetaRemoteDesktopSession *session,
-                                              GDBusMethodInvocation    *invocation)
-{
-  if (!session->started)
-    {
-      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
-                                             G_DBUS_ERROR_FAILED,
-                                             "Session not started");
-      return FALSE;
-    }
-
-  if (!check_permission (session, invocation))
-    {
-      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
-                                             G_DBUS_ERROR_ACCESS_DENIED,
-                                             "Permission denied");
-      return FALSE;
-    }
-
-  if (!session->screen_cast_session)
-    {
-      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
-                                             G_DBUS_ERROR_FAILED,
-                                             "No screen cast active");
-      return FALSE;
-    }
-
-  return TRUE;
-}
-
 static gboolean
 handle_start (MetaDBusRemoteDesktopSession *skeleton,
               GDBusMethodInvocation        *invocation)
@@ -291,14 +256,6 @@ handle_start (MetaDBusRemoteDesktopSession *skeleton,
   MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
   GError *error = NULL;
 
-  if (session->started)
-    {
-      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
-                                             G_DBUS_ERROR_FAILED,
-                                             "Already started");
-      return TRUE;
-    }
-
   if (!check_permission (session, invocation))
     {
       g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
@@ -331,14 +288,6 @@ handle_stop (MetaDBusRemoteDesktopSession *skeleton,
 {
   MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
 
-  if (!session->started)
-    {
-      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
-                                             G_DBUS_ERROR_FAILED,
-                                             "Session not started");
-      return TRUE;
-    }
-
   if (!check_permission (session, invocation))
     {
       g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
@@ -363,8 +312,13 @@ handle_notify_keyboard_keycode (MetaDBusRemoteDesktopSession *skeleton,
   MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
   ClutterKeyState state;
 
-  if (!meta_remote_desktop_session_check_can_notify (session, invocation))
+  if (!check_permission (session, invocation))
-    return TRUE;
+    {
+      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
+                                             G_DBUS_ERROR_ACCESS_DENIED,
+                                             "Permission denied");
+      return TRUE;
+    }
 
   if (pressed)
     state = CLUTTER_KEY_STATE_PRESSED;
@@ -390,8 +344,13 @@ handle_notify_keyboard_keysym (MetaDBusRemoteDesktopSession *skeleton,
   MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
   ClutterKeyState state;
 
-  if (!meta_remote_desktop_session_check_can_notify (session, invocation))
+  if (!check_permission (session, invocation))
-    return TRUE;
+    {
+      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
+                                             G_DBUS_ERROR_ACCESS_DENIED,
+                                             "Permission denied");
+      return TRUE;
+    }
 
   if (pressed)
     state = CLUTTER_KEY_STATE_PRESSED;
@@ -439,8 +398,13 @@ handle_notify_pointer_button (MetaDBusRemoteDesktopSession *skeleton,
   uint32_t button;
   ClutterButtonState state;
 
-  if (!meta_remote_desktop_session_check_can_notify (session, invocation))
+  if (!check_permission (session, invocation))
-    return TRUE;
+    {
+      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
+                                             G_DBUS_ERROR_ACCESS_DENIED,
+                                             "Permission denied");
+      return TRUE;
+    }
 
   button = translate_to_clutter_button (button_code);
 
@@ -470,8 +434,13 @@ handle_notify_pointer_axis (MetaDBusRemoteDesktopSession *skeleton,
   MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
   ClutterScrollFinishFlags finish_flags = CLUTTER_SCROLL_FINISHED_NONE;
 
-  if (!meta_remote_desktop_session_check_can_notify (session, invocation))
+  if (!check_permission (session, invocation))
-    return TRUE;
+    {
+      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
+                                             G_DBUS_ERROR_ACCESS_DENIED,
+                                             "Permission denied");
+      return TRUE;
+    }
 
   if (flags & META_REMOTE_DESKTOP_NOTIFY_AXIS_FLAGS_FINISH)
     {
@@ -518,8 +487,13 @@ handle_notify_pointer_axis_discrete (MetaDBusRemoteDesktopSession *skeleton,
   ClutterScrollDirection direction;
   int step_count;
 
-  if (!meta_remote_desktop_session_check_can_notify (session, invocation))
+  if (!check_permission (session, invocation))
-    return TRUE;
+    {
+      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
+                                             G_DBUS_ERROR_ACCESS_DENIED,
+                                             "Permission denied");
+      return TRUE;
+    }
 
   if (axis > 1)
     {
@@ -564,8 +538,13 @@ handle_notify_pointer_motion_relative (MetaDBusRemoteDesktopSession *skeleton,
 {
   MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
 
-  if (!meta_remote_desktop_session_check_can_notify (session, invocation))
+  if (!check_permission (session, invocation))
-    return TRUE;
+    {
+      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
+                                             G_DBUS_ERROR_ACCESS_DENIED,
+                                             "Permission denied");
+      return TRUE;
+    }
 
   clutter_virtual_input_device_notify_relative_motion (session->virtual_pointer,
                                                        CLUTTER_CURRENT_TIME,
@@ -588,8 +567,21 @@ handle_notify_pointer_motion_absolute (MetaDBusRemoteDesktopSession *skeleton,
   MetaScreenCastStream *stream;
   double abs_x, abs_y;
 
-  if (!meta_remote_desktop_session_check_can_notify (session, invocation))
+  if (!check_permission (session, invocation))
-    return TRUE;
+    {
+      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
+                                             G_DBUS_ERROR_ACCESS_DENIED,
+                                             "Permission denied");
+      return TRUE;
+    }
+
+  if (!session->screen_cast_session)
+    {
+      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
+                                             G_DBUS_ERROR_FAILED,
+                                             "No screen cast active");
+      return TRUE;
+    }
 
   stream = meta_screen_cast_session_get_stream (session->screen_cast_session,
                                                 stream_path);
@@ -625,8 +617,21 @@ handle_notify_touch_down (MetaDBusRemoteDesktopSession *skeleton,
   MetaScreenCastStream *stream;
   double abs_x, abs_y;
 
-  if (!meta_remote_desktop_session_check_can_notify (session, invocation))
+  if (!check_permission (session, invocation))
-    return TRUE;
+    {
+      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
+                                             G_DBUS_ERROR_ACCESS_DENIED,
+                                             "Permission denied");
+      return TRUE;
+    }
+
+  if (!session->screen_cast_session)
+    {
+      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
+                                             G_DBUS_ERROR_FAILED,
+                                             "No screen cast active");
+      return TRUE;
+    }
 
   stream = meta_screen_cast_session_get_stream (session->screen_cast_session,
                                                 stream_path);
@@ -663,8 +668,21 @@ handle_notify_touch_motion (MetaDBusRemoteDesktopSession *skeleton,
   MetaScreenCastStream *stream;
   double abs_x, abs_y;
 
-  if (!meta_remote_desktop_session_check_can_notify (session, invocation))
+  if (!check_permission (session, invocation))
-    return TRUE;
+    {
+      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
+                                             G_DBUS_ERROR_ACCESS_DENIED,
+                                             "Permission denied");
+      return TRUE;
+    }
+
+  if (!session->screen_cast_session)
+    {
+      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
+                                             G_DBUS_ERROR_FAILED,
+                                             "No screen cast active");
+      return TRUE;
+    }
 
   stream = meta_screen_cast_session_get_stream (session->screen_cast_session,
                                                 stream_path);
@@ -696,8 +714,13 @@ handle_notify_touch_up (MetaDBusRemoteDesktopSession *skeleton,
 {
   MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
 
-  if (!meta_remote_desktop_session_check_can_notify (session, invocation))
+  if (!check_permission (session, invocation))
-    return TRUE;
+    {
+      g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
+                                             G_DBUS_ERROR_ACCESS_DENIED,
+                                             "Permission denied");
+      return TRUE;
+    }
 
   clutter_virtual_input_device_notify_touch_up (session->virtual_touchscreen,
                                                        CLUTTER_CURRENT_TIME,

src/backends/meta-renderer-view.c

@@ -34,7 +34,6 @@
 
 #include "backends/meta-renderer.h"
 #include "clutter/clutter-mutter.h"
-#include "compositor/region-utils.h"
 
 enum
 {
@@ -118,25 +117,6 @@ meta_renderer_view_setup_offscreen_blit_pipeline (ClutterStageView *view,
   cogl_pipeline_set_layer_matrix (pipeline, 0, &matrix);
 }
 
-static void
-meta_renderer_view_transform_rect_to_onscreen (ClutterStageView            *view,
-                                               const cairo_rectangle_int_t *src_rect,
-                                               int                          dst_width,
-                                               int                          dst_height,
-                                               cairo_rectangle_int_t       *dst_rect)
-{
-  MetaRendererView *renderer_view = META_RENDERER_VIEW (view);
-  MetaMonitorTransform inverted_transform;
-
-  inverted_transform =
-    meta_monitor_transform_invert (renderer_view->transform);
-  return meta_rectangle_transform (src_rect,
-                                   inverted_transform,
-                                   dst_width,
-                                   dst_height,
-                                   dst_rect);
-}
-
 static void
 meta_renderer_view_set_transform (MetaRendererView     *view,
                                   MetaMonitorTransform  transform)
@@ -201,8 +181,6 @@ meta_renderer_view_class_init (MetaRendererViewClass *klass)
     meta_renderer_view_setup_offscreen_blit_pipeline;
   view_class->get_offscreen_transformation_matrix =
     meta_renderer_view_get_offscreen_transformation_matrix;
-  view_class->transform_rect_to_onscreen =
-    meta_renderer_view_transform_rect_to_onscreen;
 
   object_class->get_property = meta_renderer_view_get_property;
   object_class->set_property = meta_renderer_view_set_property;

src/backends/meta-renderer.c

@@ -160,12 +160,14 @@ meta_renderer_real_rebuild_views (MetaRenderer *renderer)
 }
 
 void
-meta_renderer_add_view (MetaRenderer     *renderer,
+meta_renderer_set_legacy_view (MetaRenderer     *renderer,
-                        MetaRendererView *view)
+                               MetaRendererView *legacy_view)
 {
   MetaRendererPrivate *priv = meta_renderer_get_instance_private (renderer);
 
-  priv->views = g_list_append (priv->views, view);
+  g_assert (!priv->views);
+
+  priv->views = g_list_append (priv->views, legacy_view);
 }
 
 /**

src/backends/meta-renderer.h

@@ -54,8 +54,8 @@ CoglRenderer * meta_renderer_create_cogl_renderer (MetaRenderer *renderer);
 
 void meta_renderer_rebuild_views (MetaRenderer *renderer);
 
-void meta_renderer_add_view (MetaRenderer     *renderer,
+void meta_renderer_set_legacy_view (MetaRenderer     *renderer,
-                             MetaRendererView *view);
+                                    MetaRendererView *legacy_view);
 
 META_EXPORT_TEST
 GList * meta_renderer_get_views (MetaRenderer *renderer);

src/backends/meta-screen-cast-stream-src.c

@@ -68,7 +68,6 @@ typedef struct _MetaPipeWireSource
 {
   GSource base;
 
-  MetaScreenCastStreamSrc *src;
   struct pw_loop *pipewire_loop;
 } MetaPipeWireSource;
 
@@ -82,7 +81,6 @@ typedef struct _MetaScreenCastStreamSrcPrivate
   struct spa_hook pipewire_core_listener;
 
   gboolean is_enabled;
-  gboolean emit_closed_after_dispatch;
 
   struct pw_stream *pipewire_stream;
   struct spa_hook pipewire_stream_listener;
@@ -447,8 +445,7 @@ meta_screen_cast_stream_src_maybe_record_frame (MetaScreenCastStreamSrc *src)
   uint64_t now_us;
 
   now_us = g_get_monotonic_time ();
-  if (priv->video_format.max_framerate.num > 0 &&
+  if (priv->last_frame_timestamp_us != 0 &&
-      priv->last_frame_timestamp_us != 0 &&
       (now_us - priv->last_frame_timestamp_us <
        ((1000000 * priv->video_format.max_framerate.denom) /
         priv->video_format.max_framerate.num)))
@@ -542,6 +539,12 @@ meta_screen_cast_stream_src_disable (MetaScreenCastStreamSrc *src)
   priv->is_enabled = FALSE;
 }
 
+static void
+meta_screen_cast_stream_src_notify_closed (MetaScreenCastStreamSrc *src)
+{
+  g_signal_emit (src, signals[CLOSED], 0);
+}
+
 static void
 on_stream_state_changed (void                 *data,
                          enum pw_stream_state  old,
@@ -556,9 +559,7 @@ on_stream_state_changed (void                 *data,
     {
     case PW_STREAM_STATE_ERROR:
       g_warning ("pipewire stream error: %s", error_message);
-      if (meta_screen_cast_stream_src_is_enabled (src))
+      meta_screen_cast_stream_src_notify_closed (src);
-        meta_screen_cast_stream_src_disable (src);
-      priv->emit_closed_after_dispatch = TRUE;
       break;
     case PW_STREAM_STATE_PAUSED:
       if (priv->node_id == SPA_ID_INVALID && priv->pipewire_stream)
@@ -826,17 +827,11 @@ on_core_error (void       *data,
 	       const char *message)
 {
   MetaScreenCastStreamSrc *src = data;
-  MetaScreenCastStreamSrcPrivate *priv =
-    meta_screen_cast_stream_src_get_instance_private (src);
 
   g_warning ("pipewire remote error: id:%u %s", id, message);
 
   if (id == PW_ID_CORE && res == -EPIPE)
-    {
+    meta_screen_cast_stream_src_notify_closed (src);
-      if (meta_screen_cast_stream_src_is_enabled (src))
-        meta_screen_cast_stream_src_disable (src);
-      priv->emit_closed_after_dispatch = TRUE;
-    }
 }
 
 static gboolean
@@ -853,18 +848,12 @@ pipewire_loop_source_dispatch (GSource     *source,
                                gpointer     user_data)
 {
   MetaPipeWireSource *pipewire_source = (MetaPipeWireSource *) source;
-  MetaScreenCastStreamSrc *src = pipewire_source->src;
-  MetaScreenCastStreamSrcPrivate *priv =
-    meta_screen_cast_stream_src_get_instance_private (src);
   int result;
 
   result = pw_loop_iterate (pipewire_source->pipewire_loop, 0);
   if (result < 0)
     g_warning ("pipewire_loop_iterate failed: %s", spa_strerror (result));
 
-  if (priv->emit_closed_after_dispatch)
-    g_signal_emit (src, signals[CLOSED], 0);
-
   return TRUE;
 }
 
@@ -886,14 +875,13 @@ static GSourceFuncs pipewire_source_funcs =
 };
 
 static MetaPipeWireSource *
-create_pipewire_source (MetaScreenCastStreamSrc *src)
+create_pipewire_source (void)
 {
   MetaPipeWireSource *pipewire_source;
 
   pipewire_source =
     (MetaPipeWireSource *) g_source_new (&pipewire_source_funcs,
                                          sizeof (MetaPipeWireSource));
-  pipewire_source->src = src;
   pipewire_source->pipewire_loop = pw_loop_new (NULL);
   if (!pipewire_source->pipewire_loop)
     {
@@ -925,7 +913,7 @@ meta_screen_cast_stream_src_initable_init (GInitable     *initable,
   MetaScreenCastStreamSrcPrivate *priv =
     meta_screen_cast_stream_src_get_instance_private (src);
 
-  priv->pipewire_source = create_pipewire_source (src);
+  priv->pipewire_source = create_pipewire_source ();
   if (!priv->pipewire_source)
     {
       g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
@@ -996,8 +984,8 @@ meta_screen_cast_stream_src_finalize (GObject *object)
   if (meta_screen_cast_stream_src_is_enabled (src))
     meta_screen_cast_stream_src_disable (src);
 
-  g_clear_pointer (&priv->pipewire_stream, pw_stream_destroy);
   g_clear_pointer (&priv->dmabuf_handles, g_hash_table_destroy);
+  g_clear_pointer (&priv->pipewire_stream, pw_stream_destroy);
   g_clear_pointer (&priv->pipewire_core, pw_core_disconnect);
   g_clear_pointer (&priv->pipewire_context, pw_context_destroy);
   g_source_destroy (&priv->pipewire_source->base);

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

@@ -366,10 +366,6 @@ meta_backend_native_post_init (MetaBackend *backend)
       if (retval != 0)
         g_warning ("Failed to set RT scheduler: %m");
     }
-
-#ifdef HAVE_WAYLAND
-  meta_backend_init_wayland (backend);
-#endif
 }
 
 static MetaMonitorManager *
@@ -651,10 +647,6 @@ meta_backend_native_initable_init (GInitable     *initable,
   if (!native->launcher)
     return FALSE;
 
-#ifdef HAVE_WAYLAND
-  meta_backend_init_wayland_display (META_BACKEND (native));
-#endif
-
   native->udev = meta_udev_new (native);
   native->barrier_manager = meta_barrier_manager_native_new ();
 

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

@@ -2168,11 +2168,7 @@ meta_renderer_native_create_dma_buf (CoglRenderer  *cogl_renderer,
     case META_RENDERER_NATIVE_MODE_GBM:
       {
         CoglFramebuffer *dmabuf_fb;
-        CoglDmaBufHandle *dmabuf_handle;
         struct gbm_bo *new_bo;
-        int stride;
-        int offset;
-        int bpp;
         int dmabuf_fd = -1;
 
         new_bo = gbm_bo_create (renderer_gpu_data->gbm.device,
@@ -2196,14 +2192,11 @@ meta_renderer_native_create_dma_buf (CoglRenderer  *cogl_renderer,
             return NULL;
           }
 
-        stride = gbm_bo_get_stride (new_bo);
-        offset = gbm_bo_get_offset (new_bo, 0);
-        bpp = 4;
         dmabuf_fb = create_dma_buf_framebuffer (renderer_native,
                                                 dmabuf_fd,
                                                 width, height,
-                                                stride,
+                                                gbm_bo_get_stride (new_bo),
-                                                offset,
+                                                gbm_bo_get_offset (new_bo, 0),
                                                 DRM_FORMAT_MOD_LINEAR,
                                                 DRM_FORMAT_XRGB8888,
                                                 error);
@@ -2211,13 +2204,8 @@ meta_renderer_native_create_dma_buf (CoglRenderer  *cogl_renderer,
         if (!dmabuf_fb)
           return NULL;
 
-        dmabuf_handle =
+        return cogl_dma_buf_handle_new (dmabuf_fb, dmabuf_fd, new_bo,
-          cogl_dma_buf_handle_new (dmabuf_fb, dmabuf_fd,
+                                        (GDestroyNotify) gbm_bo_destroy);
-                                   width, height, stride, offset, bpp,
-                                   new_bo,
-                                   (GDestroyNotify) gbm_bo_destroy);
-        cogl_object_unref (dmabuf_fb);
-        return dmabuf_handle;
       }
       break;
 #ifdef HAVE_EGL_DEVICE
@@ -3109,17 +3097,12 @@ should_force_shadow_fb (MetaRendererNative *renderer_native,
                         MetaGpuKms         *primary_gpu)
 {
   MetaRenderer *renderer = META_RENDERER (renderer_native);
-  CoglContext *cogl_context =
-    cogl_context_from_renderer_native (renderer_native);
   int kms_fd;
   uint64_t prefer_shadow = 0;
 
   if (meta_renderer_is_hardware_accelerated (renderer))
     return FALSE;
 
-  if (!cogl_has_feature (cogl_context, COGL_FEATURE_ID_BLIT_FRAMEBUFFER))
-    return FALSE;
-
   kms_fd = meta_gpu_kms_get_fd (primary_gpu);
   if (drmGetCap (kms_fd, DRM_CAP_DUMB_PREFER_SHADOW, &prefer_shadow) == 0)
     {
@@ -3159,7 +3142,7 @@ meta_renderer_native_create_view (MetaRenderer       *renderer,
   MetaMonitorTransform view_transform;
   CoglOnscreen *onscreen = NULL;
   CoglOffscreen *offscreen = NULL;
-  gboolean use_shadowfb;
+  CoglOffscreen *shadowfb = NULL;
   float scale;
   int onscreen_width;
   int onscreen_height;
@@ -3211,8 +3194,24 @@ meta_renderer_native_create_view (MetaRenderer       *renderer,
         g_error ("Failed to allocate back buffer texture: %s", error->message);
     }
 
-  use_shadowfb = should_force_shadow_fb (renderer_native,
+  if (should_force_shadow_fb (renderer_native,
-                                         renderer_native->primary_gpu_kms);
+                              renderer_native->primary_gpu_kms))
+    {
+      int shadow_width;
+      int shadow_height;
+
+      /* The shadowfb must be the same size as the on-screen framebuffer */
+      shadow_width = cogl_framebuffer_get_width (COGL_FRAMEBUFFER (onscreen));
+      shadow_height = cogl_framebuffer_get_height (COGL_FRAMEBUFFER (onscreen));
+
+      shadowfb = meta_renderer_native_create_offscreen (renderer_native,
+                                                        cogl_context,
+                                                        shadow_width,
+                                                        shadow_height,
+                                                        &error);
+      if (!shadowfb)
+        g_error ("Failed to allocate shadow buffer texture: %s", error->message);
+    }
 
   if (meta_is_stage_views_scaled ())
     scale = meta_logical_monitor_get_scale (logical_monitor);
@@ -3223,15 +3222,15 @@ meta_renderer_native_create_view (MetaRenderer       *renderer,
                                      META_ROUNDING_STRATEGY_ROUND,
                                      &view_layout);
   view = g_object_new (META_TYPE_RENDERER_VIEW,
-                       "name", meta_output_get_name (output),
                        "layout", &view_layout,
                        "scale", scale,
                        "framebuffer", onscreen,
                        "offscreen", offscreen,
-                       "use-shadowfb", use_shadowfb,
+                       "shadowfb", shadowfb,
                        "transform", view_transform,
                        NULL);
   g_clear_pointer (&offscreen, cogl_object_unref);
+  g_clear_pointer (&shadowfb, cogl_object_unref);
 
   meta_onscreen_native_set_view (onscreen, view);
 

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

@@ -1380,6 +1380,35 @@ has_touchscreen (MetaSeatNative *seat)
   return FALSE;
 }
 
+static gboolean
+has_external_keyboard (MetaSeatNative *seat)
+{
+  GList *devices, *l;
+  gboolean has_external = FALSE;
+
+  devices = g_udev_client_query_by_subsystem (seat->udev_client, "input");
+
+  for (l = devices; l; l = l->next)
+    {
+      if (!g_udev_device_has_property (l->data, "ID_INPUT_KEYBOARD"))
+        continue;
+
+      /* May be "hid" or something else, we don't care. This property
+       * will not be present in virtual "AT Translated Set 2 keyboard"
+       * devices.
+       */
+      if (!g_udev_device_has_property (l->data, "ID_TYPE"))
+        break;
+
+      has_external = TRUE;
+      break;
+    }
+
+  g_list_free_full (devices, g_object_unref);
+
+  return has_external;
+}
+
 static void
 update_touch_mode (MetaSeatNative *seat)
 {
@@ -1392,10 +1421,10 @@ update_touch_mode (MetaSeatNative *seat)
   else if (seat->has_tablet_switch && !seat->tablet_mode_switch_state)
     touch_mode = FALSE;
   /* If tablet mode is enabled, or if there is no tablet mode switch
-   * (eg. kiosk machines), assume touch-mode.
+   * (eg. kiosk machines), check availability of external keyboards.
    */
   else
-    touch_mode = TRUE;
+    touch_mode = !seat->has_external_keyboard;
 
   if (seat->touch_mode != touch_mode)
     {
@@ -1436,7 +1465,12 @@ evdev_add_device (MetaSeatNative         *seat,
 
   g_signal_emit_by_name (seat, "device-added", device);
 
-  if (type == CLUTTER_TOUCHSCREEN_DEVICE)
+  if (type == CLUTTER_KEYBOARD_DEVICE)
+    {
+      seat->has_external_keyboard = has_external_keyboard (seat);
+      check_touch_mode = TRUE;
+    }
+  else if (type == CLUTTER_TOUCHSCREEN_DEVICE)
     {
       seat->has_touchscreen = TRUE;
       check_touch_mode = TRUE;
@@ -1469,7 +1503,12 @@ evdev_remove_device (MetaSeatNative        *seat,
 
   device_type = clutter_input_device_get_device_type (device);
 
-  if (device_type == CLUTTER_TOUCHSCREEN_DEVICE)
+  if (device_type == CLUTTER_KEYBOARD_DEVICE)
+    {
+      seat->has_external_keyboard = has_external_keyboard (seat);
+      update_touch_mode (seat);
+    }
+  else if (device_type == CLUTTER_TOUCHSCREEN_DEVICE)
     {
       seat->has_touchscreen = has_touchscreen (seat);
       update_touch_mode (seat);
@@ -2514,6 +2553,7 @@ meta_seat_native_constructed (GObject *object)
         xkb_keymap_led_get_index (xkb_keymap, XKB_LED_NAME_SCROLL);
     }
 
+  seat->has_external_keyboard = has_external_keyboard (seat);
   seat->has_touchscreen = has_touchscreen (seat);
   update_touch_mode (seat);
 

src/backends/native/meta-seat-native.h

@@ -120,6 +120,7 @@ struct _MetaSeatNative
 
   GUdevClient *udev_client;
   guint tablet_mode_switch_state : 1;
+  guint has_external_keyboard    : 1;
   guint has_touchscreen          : 1;
   guint has_tablet_switch        : 1;
   guint touch_mode               : 1;