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meta-window-actor: Throttle obscured frame synced apps

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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 2013-08-17 19:11:12 +02:00
parent 691c107ce9
commit d0210c1a97
1 changed files with 181 additions and 54 deletions
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235
src/compositor/meta-window-actor.c
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@ -32,6 +32,7 @@
#include "meta-window-actor-private.h"
#include "meta-texture-rectangle.h"
#include "region-utils.h"
#include "monitor-private.h"
enum {
POSITION_CHANGED,
@ -81,6 +82,9 @@ struct _MetaWindowActorPrivate
/* The region that is visible, used to optimize out redraws */
cairo_region_t *unobscured_region;
guint send_frame_messages_timer;
gint64 frame_drawn_time;
/* Extracted size-invariant shape used for shadows */
MetaWindowShape *shadow_shape;
@ -180,6 +184,12 @@ static void meta_window_actor_handle_updates (MetaWindowActor *self);
static void check_needs_reshape (MetaWindowActor *self);
static void do_send_frame_drawn (MetaWindowActor *self, FrameData *frame);
static void do_send_frame_timings (MetaWindowActor *self,
FrameData *frame,
gint refresh_interval,
gint64 presentation_time);
G_DEFINE_TYPE (MetaWindowActor, meta_window_actor, CLUTTER_TYPE_ACTOR);
static void
@ -415,6 +425,12 @@ meta_window_actor_dispose (GObject *object)
meta_window_actor_detach (self);
if (priv->send_frame_messages_timer != 0)
{
g_source_remove (priv->send_frame_messages_timer);
priv->send_frame_messages_timer = 0;
}
g_clear_pointer (&priv->unobscured_region, cairo_region_destroy);
g_clear_pointer (&priv->shape_region, cairo_region_destroy);
g_clear_pointer (&priv->opaque_region, cairo_region_destroy);
@ -639,6 +655,16 @@ meta_window_actor_paint (ClutterActor *actor)
gboolean appears_focused = meta_window_appears_focused (priv->window);
MetaShadow *shadow = appears_focused ? priv->focused_shadow : priv->unfocused_shadow;
/* This window got damage when obscured; we set up a timer
* to send frame completion events, but since we're drawing
* the window now (for some other reason) cancel the timer
* and send the completion events normally */
if (priv->send_frame_messages_timer != 0)
{
g_source_remove (priv->send_frame_messages_timer);
priv->send_frame_messages_timer = 0;
}
if (shadow != NULL)
{
MetaShadowParams params;
@ -900,11 +926,66 @@ meta_window_actor_freeze (MetaWindowActor *self)
self->priv->freeze_count++;
}
static
gboolean send_frame_messages_timeout (gpointer data)
{
MetaWindowActor *self = (MetaWindowActor *) data;
MetaWindowActorPrivate *priv = self->priv;
FrameData *frame = g_slice_new0 (FrameData);
frame->sync_request_serial = priv->window->sync_request_serial;
do_send_frame_drawn (self, frame);
do_send_frame_timings (self, frame, 0, 0);
priv->needs_frame_drawn = FALSE;
priv->send_frame_messages_timer = 0;
frame_data_free (frame);
return FALSE;
}
static void
queue_send_frame_messages_timeout (MetaWindowActor *self)
{
MetaWindowActorPrivate *priv = self->priv;
MetaScreen *screen = priv->screen;
MetaDisplay *display = meta_screen_get_display (screen);
gint64 current_time = meta_compositor_monotonic_time_to_server_time (display, g_get_monotonic_time ());
MetaMonitorManager *monitor_manager = meta_monitor_manager_get ();
MetaWindow *window = priv->window;
MetaOutput *outputs;
guint n_outputs, i;
float refresh_rate = 60.0f;
gint interval, offset;
outputs = meta_monitor_manager_get_outputs (monitor_manager, &n_outputs);
for (i = 0; i < n_outputs; i++)
{
if (outputs[i].output_id == window->monitor->output_id && outputs[i].crtc)
{
refresh_rate = outputs[i].crtc->current_mode->refresh_rate;
break;
}
}
interval = (int)(1000000 / refresh_rate) * 6;
offset = MAX (0, current_time - priv->frame_drawn_time + interval) / 1000;
/* The clutter master clock source has already been added with META_PRIORITY_REDRAW,
* so the timer will run *after* the clutter frame handling, if a frame is ready
* to be drawn when the timer expires.
*/
priv->send_frame_messages_timer = g_timeout_add_full (META_PRIORITY_REDRAW, offset, send_frame_messages_timeout, self, NULL);
}
static void
meta_window_actor_damage_all (MetaWindowActor *self)
{
MetaWindowActorPrivate *priv = self->priv;
CoglTexture *texture;
gboolean redraw_queued;
if (!priv->needs_damage_all)
return;
@ -914,14 +995,16 @@ meta_window_actor_damage_all (MetaWindowActor *self)
if (!priv->mapped || priv->needs_pixmap)
return;
meta_shaped_texture_update_area (META_SHAPED_TEXTURE (priv->actor),
0, 0,
cogl_texture_get_width (texture),
cogl_texture_get_height (texture),
clutter_actor_has_mapped_clones (priv->actor) ? NULL : priv->unobscured_region);
redraw_queued = meta_shaped_texture_update_area (META_SHAPED_TEXTURE (priv->actor),
0, 0,
cogl_texture_get_width (texture),
cogl_texture_get_height (texture),
clutter_actor_has_mapped_clones (priv->actor) ?
NULL : priv->unobscured_region);
priv->repaint_scheduled = priv->repaint_scheduled || redraw_queued;
priv->needs_damage_all = FALSE;
priv->repaint_scheduled = TRUE;
}
static void
@ -974,14 +1057,31 @@ meta_window_actor_queue_frame_drawn (MetaWindowActor *self,
if (!priv->repaint_scheduled)
{
gboolean is_obscured = FALSE;
/* Find out whether the window is completly obscured */
if (priv->unobscured_region)
{
cairo_region_t *unobscured_window_region;
unobscured_window_region = cairo_region_copy (priv->shape_region);
cairo_region_intersect (unobscured_window_region, priv->unobscured_region);
is_obscured = cairo_region_is_empty (unobscured_window_region);
cairo_region_destroy (unobscured_window_region);
}
/* A frame was marked by the client without actually doing any
* damage, or while we had the window frozen (e.g. during an
* interactive resize.) We need to make sure that the
* damage or any unobscured, or while we had the window frozen
* (e.g. during an interactive resize.) We need to make sure that the
* pre_paint/post_paint functions get called, enabling us to
* send a _NET_WM_FRAME_DRAWN. We do a 1-pixel redraw to get
* consistent timing with non-empty frames.
* consistent timing with non-empty frames. If the window
* is completely obscured we fire off the send_frame_messages timeout.
*/
if (priv->mapped && !priv->needs_pixmap)
if (is_obscured)
{
queue_send_frame_messages_timeout (self);
}
else if (priv->mapped && !priv->needs_pixmap)
{
const cairo_rectangle_int_t clip = { 0, 0, 1, 1 };
clutter_actor_queue_redraw_with_clip (priv->actor, &clip);
@ -1920,6 +2020,7 @@ meta_window_actor_process_damage (MetaWindowActor *self,
{
MetaWindowActorPrivate *priv = self->priv;
MetaCompScreen *info = meta_screen_get_compositor_data (priv->screen);
gboolean redraw_queued;
priv->received_damage = TRUE;
@ -1967,13 +2068,16 @@ meta_window_actor_process_damage (MetaWindowActor *self,
if (!priv->mapped || priv->needs_pixmap)
return;
meta_shaped_texture_update_area (META_SHAPED_TEXTURE (priv->actor),
event->area.x,
event->area.y,
event->area.width,
event->area.height,
clutter_actor_has_mapped_clones (priv->actor) ? NULL : priv->unobscured_region);
priv->repaint_scheduled = TRUE;
redraw_queued = meta_shaped_texture_update_area (META_SHAPED_TEXTURE (priv->actor),
event->area.x,
event->area.y,
event->area.width,
event->area.height,
clutter_actor_has_mapped_clones (priv->actor) ?
NULL : priv->unobscured_region);
priv->repaint_scheduled = priv->repaint_scheduled || redraw_queued;
}
void
@ -2337,6 +2441,35 @@ meta_window_actor_pre_paint (MetaWindowActor *self)
}
}
static void
do_send_frame_drawn (MetaWindowActor *self, FrameData *frame)
{
MetaWindowActorPrivate *priv = self->priv;
MetaScreen *screen = priv->screen;
MetaDisplay *display = meta_screen_get_display (screen);
Display *xdisplay = meta_display_get_xdisplay (display);
XClientMessageEvent ev = { 0, };
frame->frame_drawn_time = meta_compositor_monotonic_time_to_server_time (display,
g_get_monotonic_time ());
priv->frame_drawn_time = frame->frame_drawn_time;
ev.type = ClientMessage;
ev.window = meta_window_get_xwindow (priv->window);
ev.message_type = display->atom__NET_WM_FRAME_DRAWN;
ev.format = 32;
ev.data.l[0] = frame->sync_request_serial & G_GUINT64_CONSTANT(0xffffffff);
ev.data.l[1] = frame->sync_request_serial >> 32;
ev.data.l[2] = frame->frame_drawn_time & G_GUINT64_CONSTANT(0xffffffff);
ev.data.l[3] = frame->frame_drawn_time >> 32;
meta_error_trap_push (display);
XSendEvent (xdisplay, ev.window, False, 0, (XEvent*) &ev);
XFlush (xdisplay);
meta_error_trap_pop (display);
}
void
meta_window_actor_post_paint (MetaWindowActor *self)
{
@ -2344,47 +2477,29 @@ meta_window_actor_post_paint (MetaWindowActor *self)
priv->repaint_scheduled = FALSE;
/* This window had damage, but wasn't actually redrawn because
* it is obscured. So we should wait until timer expiration
* before sending _NET_WM_FRAME_* messages.
*/
if (priv->send_frame_messages_timer != 0)
return;
if (priv->needs_frame_drawn)
{
MetaScreen *screen = priv->screen;
MetaDisplay *display = meta_screen_get_display (screen);
Display *xdisplay = meta_display_get_xdisplay (display);
XClientMessageEvent ev = { 0, };
FrameData *frame = priv->frames->data;
frame->frame_drawn_time = meta_compositor_monotonic_time_to_server_time (display,
g_get_monotonic_time ());
ev.type = ClientMessage;
ev.window = meta_window_get_xwindow (priv->window);
ev.message_type = display->atom__NET_WM_FRAME_DRAWN;
ev.format = 32;
ev.data.l[0] = frame->sync_request_serial & G_GUINT64_CONSTANT(0xffffffff);
ev.data.l[1] = frame->sync_request_serial >> 32;
ev.data.l[2] = frame->frame_drawn_time & G_GUINT64_CONSTANT(0xffffffff);
ev.data.l[3] = frame->frame_drawn_time >> 32;
meta_error_trap_push (display);
XSendEvent (xdisplay, ev.window, False, 0, (XEvent*) &ev);
XFlush (xdisplay);
meta_error_trap_pop (display);
do_send_frame_drawn (self, priv->frames->data);
priv->needs_frame_drawn = FALSE;
}
}
static void
send_frame_timings (MetaWindowActor *self,
FrameData *frame,
CoglFrameInfo *frame_info,
gint64 presentation_time)
do_send_frame_timings (MetaWindowActor *self,
FrameData *frame,
gint refresh_interval,
gint64 presentation_time)
{
MetaWindowActorPrivate *priv = self->priv;
MetaDisplay *display = meta_screen_get_display (priv->screen);
Display *xdisplay = meta_display_get_xdisplay (display);
float refresh_rate;
int refresh_interval;
XClientMessageEvent ev = { 0, };
@ -2395,13 +2510,6 @@ send_frame_timings (MetaWindowActor *self,
ev.data.l[0] = frame->sync_request_serial & G_GUINT64_CONSTANT(0xffffffff);
ev.data.l[1] = frame->sync_request_serial >> 32;
refresh_rate = cogl_frame_info_get_refresh_rate (frame_info);
/* 0.0 is a flag for not known, but sanity-check against other odd numbers */
if (refresh_rate >= 1.0)
refresh_interval = (int) (0.5 + 1000000 / refresh_rate);
else
refresh_interval = 0;
if (presentation_time != 0)
{
gint64 presentation_time_server = meta_compositor_monotonic_time_to_server_time (display,
@ -2423,6 +2531,25 @@ send_frame_timings (MetaWindowActor *self,
meta_error_trap_pop (display);
}
static void
send_frame_timings (MetaWindowActor *self,
FrameData *frame,
CoglFrameInfo *frame_info,
gint64 presentation_time)
{
float refresh_rate;
int refresh_interval;
refresh_rate = cogl_frame_info_get_refresh_rate (frame_info);
/* 0.0 is a flag for not known, but sanity-check against other odd numbers */
if (refresh_rate >= 1.0)
refresh_interval = (int) (0.5 + 1000000 / refresh_rate);
else
refresh_interval = 0;
do_send_frame_timings (self, frame, refresh_interval, presentation_time);
}
void
meta_window_actor_frame_complete (MetaWindowActor *self,
CoglFrameInfo *frame_info,