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meta-window-actor: Throttle obscured frame synced apps
We must send frame_drawn and frame_timing messages to even when we don't actually queue a redraw on screen to comply with the WM sync spec. So throttle such apps to down to a ~100ms interval. https://bugzilla.gnome.org/show_bug.cgi?id=703332
This commit is contained in:
Adel Gadllah
parent
691c107ce9
commit
d0210c1a97
@ -32,6 +32,7 @@
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#include "meta-window-actor-private.h"
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#include "meta-texture-rectangle.h"
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#include "region-utils.h"
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#include "monitor-private.h"
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enum {
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POSITION_CHANGED,
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@ -81,6 +82,9 @@ struct _MetaWindowActorPrivate
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/* The region that is visible, used to optimize out redraws */
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cairo_region_t *unobscured_region;
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guint send_frame_messages_timer;
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gint64 frame_drawn_time;
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/* Extracted size-invariant shape used for shadows */
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MetaWindowShape *shadow_shape;
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@ -180,6 +184,12 @@ static void meta_window_actor_handle_updates (MetaWindowActor *self);
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static void check_needs_reshape (MetaWindowActor *self);
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static void do_send_frame_drawn (MetaWindowActor *self, FrameData *frame);
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static void do_send_frame_timings (MetaWindowActor *self,
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FrameData *frame,
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gint refresh_interval,
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gint64 presentation_time);
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G_DEFINE_TYPE (MetaWindowActor, meta_window_actor, CLUTTER_TYPE_ACTOR);
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static void
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@ -415,6 +425,12 @@ meta_window_actor_dispose (GObject *object)
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meta_window_actor_detach (self);
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if (priv->send_frame_messages_timer != 0)
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{
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g_source_remove (priv->send_frame_messages_timer);
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priv->send_frame_messages_timer = 0;
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}
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g_clear_pointer (&priv->unobscured_region, cairo_region_destroy);
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g_clear_pointer (&priv->shape_region, cairo_region_destroy);
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g_clear_pointer (&priv->opaque_region, cairo_region_destroy);
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@ -639,6 +655,16 @@ meta_window_actor_paint (ClutterActor *actor)
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gboolean appears_focused = meta_window_appears_focused (priv->window);
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MetaShadow *shadow = appears_focused ? priv->focused_shadow : priv->unfocused_shadow;
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/* This window got damage when obscured; we set up a timer
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* to send frame completion events, but since we're drawing
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* the window now (for some other reason) cancel the timer
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* and send the completion events normally */
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if (priv->send_frame_messages_timer != 0)
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{
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g_source_remove (priv->send_frame_messages_timer);
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priv->send_frame_messages_timer = 0;
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}
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if (shadow != NULL)
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{
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MetaShadowParams params;
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@ -900,11 +926,66 @@ meta_window_actor_freeze (MetaWindowActor *self)
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self->priv->freeze_count++;
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}
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static
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gboolean send_frame_messages_timeout (gpointer data)
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{
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MetaWindowActor *self = (MetaWindowActor *) data;
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MetaWindowActorPrivate *priv = self->priv;
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FrameData *frame = g_slice_new0 (FrameData);
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frame->sync_request_serial = priv->window->sync_request_serial;
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do_send_frame_drawn (self, frame);
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do_send_frame_timings (self, frame, 0, 0);
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priv->needs_frame_drawn = FALSE;
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priv->send_frame_messages_timer = 0;
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frame_data_free (frame);
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return FALSE;
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}
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static void
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queue_send_frame_messages_timeout (MetaWindowActor *self)
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{
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MetaWindowActorPrivate *priv = self->priv;
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MetaScreen *screen = priv->screen;
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MetaDisplay *display = meta_screen_get_display (screen);
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gint64 current_time = meta_compositor_monotonic_time_to_server_time (display, g_get_monotonic_time ());
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MetaMonitorManager *monitor_manager = meta_monitor_manager_get ();
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MetaWindow *window = priv->window;
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MetaOutput *outputs;
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guint n_outputs, i;
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float refresh_rate = 60.0f;
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gint interval, offset;
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outputs = meta_monitor_manager_get_outputs (monitor_manager, &n_outputs);
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for (i = 0; i < n_outputs; i++)
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{
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if (outputs[i].output_id == window->monitor->output_id && outputs[i].crtc)
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{
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refresh_rate = outputs[i].crtc->current_mode->refresh_rate;
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break;
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}
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}
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interval = (int)(1000000 / refresh_rate) * 6;
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offset = MAX (0, current_time - priv->frame_drawn_time + interval) / 1000;
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/* The clutter master clock source has already been added with META_PRIORITY_REDRAW,
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* so the timer will run *after* the clutter frame handling, if a frame is ready
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* to be drawn when the timer expires.
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*/
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priv->send_frame_messages_timer = g_timeout_add_full (META_PRIORITY_REDRAW, offset, send_frame_messages_timeout, self, NULL);
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}
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static void
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meta_window_actor_damage_all (MetaWindowActor *self)
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{
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MetaWindowActorPrivate *priv = self->priv;
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CoglTexture *texture;
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gboolean redraw_queued;
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if (!priv->needs_damage_all)
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return;
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@ -914,14 +995,16 @@ meta_window_actor_damage_all (MetaWindowActor *self)
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if (!priv->mapped || priv->needs_pixmap)
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return;
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meta_shaped_texture_update_area (META_SHAPED_TEXTURE (priv->actor),
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0, 0,
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cogl_texture_get_width (texture),
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cogl_texture_get_height (texture),
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clutter_actor_has_mapped_clones (priv->actor) ? NULL : priv->unobscured_region);
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redraw_queued = meta_shaped_texture_update_area (META_SHAPED_TEXTURE (priv->actor),
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0, 0,
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cogl_texture_get_width (texture),
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cogl_texture_get_height (texture),
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clutter_actor_has_mapped_clones (priv->actor) ?
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NULL : priv->unobscured_region);
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priv->repaint_scheduled = priv->repaint_scheduled || redraw_queued;
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priv->needs_damage_all = FALSE;
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priv->repaint_scheduled = TRUE;
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}
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static void
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@ -974,14 +1057,31 @@ meta_window_actor_queue_frame_drawn (MetaWindowActor *self,
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if (!priv->repaint_scheduled)
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{
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gboolean is_obscured = FALSE;
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/* Find out whether the window is completly obscured */
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if (priv->unobscured_region)
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{
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cairo_region_t *unobscured_window_region;
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unobscured_window_region = cairo_region_copy (priv->shape_region);
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cairo_region_intersect (unobscured_window_region, priv->unobscured_region);
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is_obscured = cairo_region_is_empty (unobscured_window_region);
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cairo_region_destroy (unobscured_window_region);
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}
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/* A frame was marked by the client without actually doing any
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* damage, or while we had the window frozen (e.g. during an
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* interactive resize.) We need to make sure that the
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* damage or any unobscured, or while we had the window frozen
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* (e.g. during an interactive resize.) We need to make sure that the
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* pre_paint/post_paint functions get called, enabling us to
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* send a _NET_WM_FRAME_DRAWN. We do a 1-pixel redraw to get
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* consistent timing with non-empty frames.
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* consistent timing with non-empty frames. If the window
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* is completely obscured we fire off the send_frame_messages timeout.
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*/
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if (priv->mapped && !priv->needs_pixmap)
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if (is_obscured)
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{
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queue_send_frame_messages_timeout (self);
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}
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else if (priv->mapped && !priv->needs_pixmap)
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{
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const cairo_rectangle_int_t clip = { 0, 0, 1, 1 };
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clutter_actor_queue_redraw_with_clip (priv->actor, &clip);
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@ -1920,6 +2020,7 @@ meta_window_actor_process_damage (MetaWindowActor *self,
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{
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MetaWindowActorPrivate *priv = self->priv;
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MetaCompScreen *info = meta_screen_get_compositor_data (priv->screen);
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gboolean redraw_queued;
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priv->received_damage = TRUE;
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@ -1967,13 +2068,16 @@ meta_window_actor_process_damage (MetaWindowActor *self,
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if (!priv->mapped || priv->needs_pixmap)
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return;
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meta_shaped_texture_update_area (META_SHAPED_TEXTURE (priv->actor),
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event->area.x,
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event->area.y,
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event->area.width,
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event->area.height,
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clutter_actor_has_mapped_clones (priv->actor) ? NULL : priv->unobscured_region);
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priv->repaint_scheduled = TRUE;
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redraw_queued = meta_shaped_texture_update_area (META_SHAPED_TEXTURE (priv->actor),
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event->area.x,
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event->area.y,
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event->area.width,
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event->area.height,
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clutter_actor_has_mapped_clones (priv->actor) ?
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NULL : priv->unobscured_region);
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priv->repaint_scheduled = priv->repaint_scheduled || redraw_queued;
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}
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void
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@ -2337,6 +2441,35 @@ meta_window_actor_pre_paint (MetaWindowActor *self)
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}
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}
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static void
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do_send_frame_drawn (MetaWindowActor *self, FrameData *frame)
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{
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MetaWindowActorPrivate *priv = self->priv;
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MetaScreen *screen = priv->screen;
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MetaDisplay *display = meta_screen_get_display (screen);
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Display *xdisplay = meta_display_get_xdisplay (display);
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XClientMessageEvent ev = { 0, };
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frame->frame_drawn_time = meta_compositor_monotonic_time_to_server_time (display,
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g_get_monotonic_time ());
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priv->frame_drawn_time = frame->frame_drawn_time;
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ev.type = ClientMessage;
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ev.window = meta_window_get_xwindow (priv->window);
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ev.message_type = display->atom__NET_WM_FRAME_DRAWN;
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ev.format = 32;
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ev.data.l[0] = frame->sync_request_serial & G_GUINT64_CONSTANT(0xffffffff);
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ev.data.l[1] = frame->sync_request_serial >> 32;
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ev.data.l[2] = frame->frame_drawn_time & G_GUINT64_CONSTANT(0xffffffff);
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ev.data.l[3] = frame->frame_drawn_time >> 32;
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meta_error_trap_push (display);
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XSendEvent (xdisplay, ev.window, False, 0, (XEvent*) &ev);
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XFlush (xdisplay);
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meta_error_trap_pop (display);
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}
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void
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meta_window_actor_post_paint (MetaWindowActor *self)
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{
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@ -2344,47 +2477,29 @@ meta_window_actor_post_paint (MetaWindowActor *self)
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priv->repaint_scheduled = FALSE;
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/* This window had damage, but wasn't actually redrawn because
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* it is obscured. So we should wait until timer expiration
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* before sending _NET_WM_FRAME_* messages.
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*/
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if (priv->send_frame_messages_timer != 0)
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return;
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if (priv->needs_frame_drawn)
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{
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MetaScreen *screen = priv->screen;
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MetaDisplay *display = meta_screen_get_display (screen);
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Display *xdisplay = meta_display_get_xdisplay (display);
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XClientMessageEvent ev = { 0, };
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FrameData *frame = priv->frames->data;
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frame->frame_drawn_time = meta_compositor_monotonic_time_to_server_time (display,
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g_get_monotonic_time ());
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ev.type = ClientMessage;
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ev.window = meta_window_get_xwindow (priv->window);
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ev.message_type = display->atom__NET_WM_FRAME_DRAWN;
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ev.format = 32;
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ev.data.l[0] = frame->sync_request_serial & G_GUINT64_CONSTANT(0xffffffff);
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ev.data.l[1] = frame->sync_request_serial >> 32;
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ev.data.l[2] = frame->frame_drawn_time & G_GUINT64_CONSTANT(0xffffffff);
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ev.data.l[3] = frame->frame_drawn_time >> 32;
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meta_error_trap_push (display);
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XSendEvent (xdisplay, ev.window, False, 0, (XEvent*) &ev);
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XFlush (xdisplay);
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meta_error_trap_pop (display);
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do_send_frame_drawn (self, priv->frames->data);
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priv->needs_frame_drawn = FALSE;
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}
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}
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static void
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send_frame_timings (MetaWindowActor *self,
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FrameData *frame,
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CoglFrameInfo *frame_info,
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gint64 presentation_time)
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do_send_frame_timings (MetaWindowActor *self,
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FrameData *frame,
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gint refresh_interval,
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gint64 presentation_time)
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{
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MetaWindowActorPrivate *priv = self->priv;
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MetaDisplay *display = meta_screen_get_display (priv->screen);
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Display *xdisplay = meta_display_get_xdisplay (display);
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float refresh_rate;
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int refresh_interval;
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XClientMessageEvent ev = { 0, };
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@ -2395,13 +2510,6 @@ send_frame_timings (MetaWindowActor *self,
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ev.data.l[0] = frame->sync_request_serial & G_GUINT64_CONSTANT(0xffffffff);
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ev.data.l[1] = frame->sync_request_serial >> 32;
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refresh_rate = cogl_frame_info_get_refresh_rate (frame_info);
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/* 0.0 is a flag for not known, but sanity-check against other odd numbers */
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if (refresh_rate >= 1.0)
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refresh_interval = (int) (0.5 + 1000000 / refresh_rate);
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else
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refresh_interval = 0;
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if (presentation_time != 0)
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{
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gint64 presentation_time_server = meta_compositor_monotonic_time_to_server_time (display,
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@ -2423,6 +2531,25 @@ send_frame_timings (MetaWindowActor *self,
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meta_error_trap_pop (display);
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}
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static void
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send_frame_timings (MetaWindowActor *self,
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FrameData *frame,
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CoglFrameInfo *frame_info,
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gint64 presentation_time)
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{
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float refresh_rate;
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int refresh_interval;
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refresh_rate = cogl_frame_info_get_refresh_rate (frame_info);
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/* 0.0 is a flag for not known, but sanity-check against other odd numbers */
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if (refresh_rate >= 1.0)
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refresh_interval = (int) (0.5 + 1000000 / refresh_rate);
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else
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refresh_interval = 0;
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do_send_frame_timings (self, frame, refresh_interval, presentation_time);
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}
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void
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meta_window_actor_frame_complete (MetaWindowActor *self,
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CoglFrameInfo *frame_info,
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