cogl: Remove cogl_handle_ref/unref

This is for all intents and purposes the same as
`cogl_object_ref/unref`, but still refers to handles rather than
objects (while we're trying to get rid of the former) so it's a bit of
unnecessary redundant API.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/451

clutter/clutter/clutter-effect.c

@@ -100,13 +100,13 @@
  *    // Clear the previous state //
  *    if (self->rect_1)
  *      {
- *        cogl_handle_unref (self->rect_1);
+ *        cogl_object_unref (self->rect_1);
  *        self->rect_1 = NULL;
  *      }
  *
  *    if (self->rect_2)
  *      {
- *        cogl_handle_unref (self->rect_2);
+ *        cogl_object_unref (self->rect_2);
  *        self->rect_2 = NULL;
  *      }
  *

clutter/clutter/clutter-offscreen-effect.c

@@ -119,7 +119,7 @@ clutter_offscreen_effect_set_actor (ClutterActorMeta *meta,
   /* clear out the previous state */
   if (priv->offscreen != NULL)
     {
-      cogl_handle_unref (priv->offscreen);
+      cogl_object_unref (priv->offscreen);
       priv->offscreen = NULL;
     }
 
@@ -199,13 +199,13 @@ update_fbo (ClutterEffect *effect,
 
   if (priv->texture != NULL)
     {
-      cogl_handle_unref (priv->texture);
+      cogl_object_unref (priv->texture);
       priv->texture = NULL;
     }
 
   if (priv->offscreen != NULL)
     {
-      cogl_handle_unref (priv->offscreen);
+      cogl_object_unref (priv->offscreen);
       priv->offscreen = NULL;
     }
 
@@ -224,7 +224,7 @@ update_fbo (ClutterEffect *effect,
     {
       g_warning ("%s: Unable to create an Offscreen buffer", G_STRLOC);
 
-      cogl_handle_unref (priv->target);
+      cogl_object_unref (priv->target);
       priv->target = NULL;
 
       priv->target_width = 0;
@@ -487,13 +487,13 @@ clutter_offscreen_effect_finalize (GObject *gobject)
   ClutterOffscreenEffectPrivate *priv = self->priv;
 
   if (priv->offscreen)
-    cogl_handle_unref (priv->offscreen);
+    cogl_object_unref (priv->offscreen);
 
   if (priv->target)
-    cogl_handle_unref (priv->target);
+    cogl_object_unref (priv->target);
 
   if (priv->texture)
-    cogl_handle_unref (priv->texture);
+    cogl_object_unref (priv->texture);
 
   G_OBJECT_CLASS (clutter_offscreen_effect_parent_class)->finalize (gobject);
 }

clutter/clutter/clutter-shader-effect.c

@@ -179,14 +179,14 @@ clutter_shader_effect_clear (ClutterShaderEffect *self,
 
   if (priv->shader != COGL_INVALID_HANDLE)
     {
-      cogl_handle_unref (priv->shader);
+      cogl_object_unref (priv->shader);
 
       priv->shader = COGL_INVALID_HANDLE;
     }
 
   if (priv->program != COGL_INVALID_HANDLE)
     {
-      cogl_handle_unref (priv->program);
+      cogl_object_unref (priv->program);
 
       priv->program = COGL_INVALID_HANDLE;
     }
@@ -387,10 +387,10 @@ clutter_shader_effect_try_static_source (ClutterShaderEffect *self)
             }
         }
 
-      priv->shader = cogl_handle_ref (class_priv->shader);
+      priv->shader = cogl_object_ref (class_priv->shader);
 
       if (class_priv->program != COGL_INVALID_HANDLE)
-        priv->program = cogl_handle_ref (class_priv->program);
+        priv->program = cogl_object_ref (class_priv->program);
     }
 }
 

clutter/clutter/deprecated/clutter-cairo-texture.c

@@ -507,7 +507,7 @@ clutter_cairo_texture_create_surface (ClutterCairoTexture *self,
                                              cairo_stride,
                                              cairo_data);
   clutter_texture_set_cogl_texture (CLUTTER_TEXTURE (self), cogl_texture);
-  cogl_handle_unref (cogl_texture);
+  cogl_object_unref (cogl_texture);
 
   return surface;
 }

clutter/clutter/deprecated/clutter-texture.c

@@ -1229,7 +1229,7 @@ clutter_texture_get_cogl_material (ClutterTexture *texture)
  * Replaces the underlying Cogl material drawn by this actor with
  * @cogl_material. A reference to the material is taken so if the
  * handle is no longer needed it should be deref'd with
- * cogl_handle_unref. Texture data is attached to the material so
+ * cogl_object_unref. Texture data is attached to the material so
  * calling this function also replaces the Cogl
  * texture. #ClutterTexture requires that the material have a texture
  * layer so you should set one on the material before calling this
@@ -1302,7 +1302,7 @@ get_first_layer_index (CoglPipeline *pipeline, int *layer_index)
  *
  * Retrieves the handle to the underlying COGL texture used for drawing
  * the actor. No extra reference is taken so if you need to keep the
- * handle then you should call cogl_handle_ref() on it.
+ * handle then you should call cogl_object_ref() on it.
  *
  * The texture handle returned is the first layer of the material
  * handle used by the #ClutterTexture. If you need to access the other
@@ -1342,7 +1342,7 @@ clutter_texture_get_cogl_texture (ClutterTexture *texture)
  *
  * Replaces the underlying COGL texture drawn by this actor with
  * @cogl_tex. A reference to the texture is taken so if the handle is
- * no longer needed it should be deref'd with cogl_handle_unref.
+ * no longer needed it should be deref'd with cogl_object_unref.
  *
  * Since: 0.8
  *