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cursor-renderer: Use 'after-paint' stage signal instead paint callback

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The clutter "thread" repaint callback are not tied to painting, but
indirectly to updating. What the cursor renderer cares about is when we
actually painted, as this is related to the OpenGL fallback paths.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1285
This commit is contained in:
Jonas Ådahl 2020-05-29 23:10:41 +02:00
parent 5f729ea437
commit 9daec23033
1 changed files with 23 additions and 15 deletions
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38
src/backends/meta-cursor-renderer.c
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@ -59,7 +59,7 @@ struct _MetaCursorRendererPrivate
MetaCursorSprite *displayed_cursor;
MetaOverlay *stage_overlay;
gboolean handled_by_backend;
guint post_paint_func_id;
gulong after_paint_handler_id;
GList *hw_cursor_inhibitors;
};
@ -153,17 +153,15 @@ queue_redraw (MetaCursorRenderer *renderer,
texture, &rect);
}
static gboolean
meta_cursor_renderer_post_paint (gpointer data)
static void
meta_cursor_renderer_after_paint (ClutterStage *stage,
MetaCursorRenderer *renderer)
{
MetaCursorRenderer *renderer = META_CURSOR_RENDERER (data);
MetaCursorRendererPrivate *priv =
meta_cursor_renderer_get_instance_private (renderer);
if (priv->displayed_cursor && !priv->handled_by_backend)
meta_cursor_renderer_emit_painted (renderer, priv->displayed_cursor);
return TRUE;
}
static gboolean
@ -228,11 +226,28 @@ meta_cursor_renderer_finalize (GObject *object)
if (priv->stage_overlay)
meta_stage_remove_cursor_overlay (META_STAGE (stage), priv->stage_overlay);
clutter_threads_remove_repaint_func (priv->post_paint_func_id);
g_clear_signal_handler (&priv->after_paint_handler_id, stage);
G_OBJECT_CLASS (meta_cursor_renderer_parent_class)->finalize (object);
}
static void
meta_cursor_renderer_constructed (GObject *object)
{
MetaCursorRenderer *renderer = META_CURSOR_RENDERER (object);
MetaCursorRendererPrivate *priv =
meta_cursor_renderer_get_instance_private (renderer);
ClutterActor *stage;
stage = meta_backend_get_stage (priv->backend);
priv->after_paint_handler_id =
g_signal_connect (stage, "after-paint",
G_CALLBACK (meta_cursor_renderer_after_paint),
renderer);
G_OBJECT_CLASS (meta_cursor_renderer_parent_class)->constructed (object);
}
static void
meta_cursor_renderer_class_init (MetaCursorRendererClass *klass)
{
@ -241,6 +256,7 @@ meta_cursor_renderer_class_init (MetaCursorRendererClass *klass)
object_class->get_property = meta_cursor_renderer_get_property;
object_class->set_property = meta_cursor_renderer_set_property;
object_class->finalize = meta_cursor_renderer_finalize;
object_class->constructed = meta_cursor_renderer_constructed;
klass->update_cursor = meta_cursor_renderer_real_update_cursor;
obj_props[PROP_BACKEND] =
@ -265,14 +281,6 @@ meta_cursor_renderer_class_init (MetaCursorRendererClass *klass)
static void
meta_cursor_renderer_init (MetaCursorRenderer *renderer)
{
MetaCursorRendererPrivate *priv =
meta_cursor_renderer_get_instance_private (renderer);
priv->post_paint_func_id =
clutter_threads_add_repaint_func_full (CLUTTER_REPAINT_FLAGS_POST_PAINT,
meta_cursor_renderer_post_paint,
renderer,
NULL);
}
graphene_rect_t