From 9b44aa77b6d8050d34db08af1bb6d0fdf6401566 Mon Sep 17 00:00:00 2001 From: Ivan Molodetskikh Date: Tue, 24 Nov 2020 21:43:24 +0300 Subject: [PATCH] clutter: Remove clutter_stage_set_sync_delay The sync_delay field is never accessed. Part-of: --- clutter/clutter/clutter-stage.c | 34 --------------------------------- clutter/clutter/clutter-stage.h | 6 ------ src/compositor/compositor.c | 2 -- 3 files changed, 42 deletions(-) diff --git a/clutter/clutter/clutter-stage.c b/clutter/clutter/clutter-stage.c index 44a112f41..7e8d655fd 100644 --- a/clutter/clutter/clutter-stage.c +++ b/clutter/clutter/clutter-stage.c @@ -3028,40 +3028,6 @@ _clutter_stage_remove_touch_drag_actor (ClutterStage *stage, NULL); } -/** - * clutter_stage_set_sync_delay: - * @stage: a #ClutterStage - * @sync_delay: number of milliseconds after frame presentation to wait - * before painting the next frame. If less than zero, restores the - * default behavior where redraw is throttled to the refresh rate but - * not synchronized to it. - * - * This function enables an alternate behavior where Clutter draws at - * a fixed point in time after the frame presentation time (also known - * as the VBlank time). This is most useful when the application - * wants to show incoming data with predictable latency. (The primary - * example of this would be a window system compositor.) By synchronizing - * to provide new data before Clutter redraws, an external source of - * updates (in the compositor, an application) can get a reliable latency. - * - * The appropriate value of @sync_delay depends on the complexity of - * drawing the stage's scene graph - in general a value of between 0 - * and 8 ms (up to one-half of a typical 60hz frame rate) is appropriate. - * using a larger value will reduce latency but risks skipping a frame if - * drawing the stage takes too long. - * - * Since: 1.14 - * Stability: unstable - */ -void -clutter_stage_set_sync_delay (ClutterStage *stage, - gint sync_delay) -{ - g_return_if_fail (CLUTTER_IS_STAGE (stage)); - - stage->priv->sync_delay = sync_delay; -} - int64_t clutter_stage_get_frame_counter (ClutterStage *stage) { diff --git a/clutter/clutter/clutter-stage.h b/clutter/clutter/clutter-stage.h index be588a5f3..441b10ba6 100644 --- a/clutter/clutter/clutter-stage.h +++ b/clutter/clutter/clutter-stage.h @@ -195,12 +195,6 @@ void clutter_stage_ensure_viewport (ClutterStage CLUTTER_EXPORT gboolean clutter_stage_is_redraw_queued_on_view (ClutterStage *stage, ClutterStageView *view); - -#ifdef CLUTTER_ENABLE_EXPERIMENTAL_API -CLUTTER_EXPORT -void clutter_stage_set_sync_delay (ClutterStage *stage, -#endif - CLUTTER_EXPORT void clutter_stage_schedule_update (ClutterStage *stage); diff --git a/src/compositor/compositor.c b/src/compositor/compositor.c index 3be8d2e9e..613b3f66d 100644 --- a/src/compositor/compositor.c +++ b/src/compositor/compositor.c @@ -548,8 +548,6 @@ meta_compositor_do_manage (MetaCompositor *compositor, G_CALLBACK (on_presented), compositor); - clutter_stage_set_sync_delay (CLUTTER_STAGE (stage), META_SYNC_DELAY); - priv->window_group = meta_window_group_new (display); priv->top_window_group = meta_window_group_new (display); priv->feedback_group = meta_window_group_new (display);