stage: Move stage redraw logic into clutter-stage.c

The _clutter_do_redraw() function should really be moved inside
ClutterStage, since all it does is calling private stage and
backend functions. This also allows us to change a long-standing
issue with a global fps counter for all stages, instead of a\
per-stage one.

clutter/clutter-main.c

@@ -227,54 +227,6 @@ clutter_get_accessibility_enabled (void)
   return cally_get_cally_initialized ();
 }
 
-void
-_clutter_do_redraw (ClutterStage *stage)
-{
-  static GTimer *timer = NULL;
-  static guint timer_n_frames = 0;
-  ClutterMainContext *ctx;
-
-  ctx = _clutter_context_get_default ();
-
-  _clutter_stage_set_pick_buffer_valid (stage, FALSE, -1);
-  _clutter_stage_reset_picks_per_frame_counter (stage);
-
-  _clutter_backend_ensure_context (ctx->backend, stage);
-
-  /* Setup FPS count - not currently across *all* stages rather than per */
-  if (G_UNLIKELY (clutter_get_show_fps ()))
-    {
-      if (!timer)
-	timer = g_timer_new ();
-    }
-
-  /* The code below can't go in stage paint as base actor_paint
-   * will get called before it (and break picking, etc)
-   */
-  _clutter_stage_maybe_setup_viewport (stage);
-
-  /* Call through to the actual backend to do the painting down from
-   * the stage. It will likely need to swap buffers, vblank sync etc
-   * which will be windowing system dependent
-  */
-  _clutter_backend_redraw (ctx->backend, stage);
-
-  /* Complete FPS info */
-  if (G_UNLIKELY (clutter_get_show_fps ()))
-    {
-      timer_n_frames++;
-
-      if (g_timer_elapsed (timer, NULL) >= 1.0)
-	{
-	  g_print ("*** FPS: %i ***\n", timer_n_frames);
-	  timer_n_frames = 0;
-	  g_timer_start (timer);
-	}
-    }
-
-  CLUTTER_TIMESTAMP (SCHEDULER, "Redraw finish for stage:%p", stage);
-}
-
 /**
  * clutter_redraw:
  *

clutter/clutter-private.h

@@ -210,9 +210,6 @@ ClutterActor *_clutter_do_pick (ClutterStage    *stage,
 				gint             y,
 				ClutterPickMode  mode);
 
-/* the actual redraw */
-void          _clutter_do_redraw (ClutterStage *stage);
-
 guint         _clutter_pixel_to_id (guchar pixel[4]);
 
 void          _clutter_id_to_color (guint id,

clutter/clutter-stage.c

@@ -137,6 +137,9 @@ struct _ClutterStagePrivate
 
   GHashTable *devices;
 
+  GTimer *fps_timer;
+  gint32 timer_n_frames;
+
   guint relayout_pending       : 1;
   guint redraw_pending         : 1;
   guint is_fullscreen          : 1;
@@ -798,6 +801,52 @@ _clutter_stage_maybe_relayout (ClutterActor *actor)
     }
 }
 
+static void
+clutter_stage_do_redraw (ClutterStage *stage)
+{
+  ClutterBackend *backend = clutter_get_default_backend ();
+  ClutterActor *actor = CLUTTER_ACTOR (stage);
+  ClutterStagePrivate *priv = stage->priv;
+
+  CLUTTER_TIMESTAMP (SCHEDULER, "Redraw started for %s[%p]",
+                     _clutter_actor_get_debug_name (actor),
+                     stage);
+
+  _clutter_stage_set_pick_buffer_valid (stage, FALSE, -1);
+  _clutter_stage_reset_picks_per_frame_counter (stage);
+
+  _clutter_backend_ensure_context (backend, stage);
+
+  if (clutter_get_show_fps ())
+    {
+      if (priv->fps_timer == NULL)
+        priv->fps_timer = g_timer_new ();
+    }
+
+  _clutter_stage_maybe_setup_viewport (stage);
+
+  _clutter_backend_redraw (backend, stage);
+
+  if (clutter_get_show_fps ())
+    {
+      priv->timer_n_frames += 1;
+
+      if (g_timer_elapsed (priv->fps_timer, NULL) >= 1.0)
+        {
+          g_print ("*** FPS for %s: %i ***\n",
+                   _clutter_actor_get_debug_name (actor),
+                   priv->timer_n_frames);
+
+          priv->timer_n_frames = 0;
+          g_timer_start (priv->fps_timer);
+        }
+    }
+
+  CLUTTER_TIMESTAMP (SCHEDULER, "Redraw finished for %s[%p]",
+                     _clutter_actor_get_debug_name (actor),
+                     stage);
+}
+
 /**
  * _clutter_stage_do_update:
  * @stage: A #ClutterStage
@@ -829,8 +878,7 @@ _clutter_stage_do_update (ClutterStage *stage)
 
   _clutter_stage_maybe_finish_queue_redraws (stage);
 
-  CLUTTER_NOTE (PAINT, "redrawing via idle for stage[%p]", stage);
-  _clutter_do_redraw (stage);
+  clutter_stage_do_redraw (stage);
 
   /* reset the guard, so that new redraws are possible */
   priv->redraw_pending = FALSE;
@@ -1199,6 +1247,9 @@ clutter_stage_finalize (GObject *object)
 
   g_hash_table_destroy (priv->devices);
 
+  if (priv->fps_timer != NULL)
+    g_timer_destroy (priv->fps_timer);
+
   G_OBJECT_CLASS (clutter_stage_parent_class)->finalize (object);
 }
 

tests/interactive/test-multistage.c

@@ -30,17 +30,22 @@ on_button_press (ClutterActor *actor,
   ClutterActor *new_stage;
   ClutterActor *label, *tex;
   gint width, height;
-  gchar *stage_label, *win_title;
-  ClutterTimeline  *timeline;
-  ClutterAlpha     *alpha;
+  gchar *stage_label, *stage_name;
+  ClutterTimeline *timeline;
+  ClutterAlpha *alpha;
   ClutterBehaviour *r_behave;
 
   new_stage = clutter_stage_new ();
   if (new_stage == NULL)
     return FALSE;
 
-  clutter_stage_set_color (CLUTTER_STAGE (new_stage), CLUTTER_COLOR_DarkScarletRed);
+  stage_name = g_strdup_printf ("Stage [%d]", ++n_stages);
+
+  clutter_stage_set_title (CLUTTER_STAGE (new_stage), stage_name);
+  clutter_stage_set_color (CLUTTER_STAGE (new_stage),
+                           CLUTTER_COLOR_DarkScarletRed);
   clutter_actor_set_size (new_stage, 320, 240);
+  clutter_actor_set_name (new_stage, stage_name);
 
   g_signal_connect (new_stage, "destroy", G_CALLBACK (on_destroy), NULL);
 
@@ -58,7 +63,7 @@ on_button_press (ClutterActor *actor,
 
   clutter_container_add_actor (CLUTTER_CONTAINER (new_stage), tex);
 
-  stage_label = g_strdup_printf ("<b>Stage: %d</b>", ++n_stages); 
+  stage_label = g_strconcat ("<b>", stage_name, "</b>", NULL);
   label = clutter_text_new_with_text ("Mono 12", stage_label);
 
   clutter_text_set_color (CLUTTER_TEXT (label), CLUTTER_COLOR_White);
@@ -78,9 +83,6 @@ on_button_press (ClutterActor *actor,
                     NULL);
   */
 
-  win_title =   g_strdup_printf ("Stage:%p", new_stage);
-  clutter_stage_set_title (CLUTTER_STAGE(new_stage), win_title);
-
   timeline = clutter_timeline_new (2000);
   clutter_timeline_set_loop (timeline, TRUE);
 
@@ -102,6 +104,8 @@ on_button_press (ClutterActor *actor,
 
   stages = g_list_prepend (stages, new_stage);
 
+  g_free (stage_name);
+
   return TRUE;
 }
 
@@ -111,11 +115,13 @@ test_multistage_main (int argc, char *argv[])
   ClutterActor *stage_default;
   ClutterActor *label;
   gint width, height;
-  gchar *win_title;
 
   clutter_init (&argc, &argv);
   
   stage_default = clutter_stage_get_default ();
+  clutter_stage_set_title (CLUTTER_STAGE (stage_default), "Default Stage");
+  clutter_actor_set_name (stage_default, "Default Stage");
+
   g_signal_connect (stage_default, "button-press-event",
                     G_CALLBACK (on_button_press),
                     NULL);
@@ -131,9 +137,6 @@ test_multistage_main (int argc, char *argv[])
   clutter_container_add_actor (CLUTTER_CONTAINER (stage_default), label);
   clutter_actor_show (label);
 
-  win_title =   g_strdup_printf ("Stage:%p", stage_default);
-  clutter_stage_set_title (CLUTTER_STAGE(stage_default), win_title);
-
   clutter_actor_show (stage_default);
 
   clutter_main ();