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Add gdk_frame_timings_get/set_slept_before()

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Add functions that tell us whether the main loop slept before we drew
a frame. Blocking with the frame clock frozen doesn't count as sleeping.
We'll use this to advertise to the compositor whether we
are drawing as fast as possible (and it should do the same) or timing
frames carefully (and it should do the same.)

https://bugzilla.gnome.org/show_bug.cgi?id=685460
This commit is contained in:
Owen W. Taylor
2012-11-14 16:08:08 -05:00
parent dc6dedab4d
commit 58b5811d03
3 changed files with 85 additions and 1 deletions
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21
gdk/gdkframetimings.c
View File

@ -23,13 +23,15 @@ struct _GdkFrameTimings
{
guint ref_count;
gboolean complete;
gint64 frame_counter;
guint64 cookie;
gint64 frame_time;
gint64 drawn_time;
gint64 presentation_time;
gint64 refresh_interval;
guint complete : 1;
guint slept_before : 1;
};
G_DEFINE_BOXED_TYPE (GdkFrameTimings, gdk_frame_timings,
@ -111,6 +113,23 @@ gdk_frame_timings_set_complete (GdkFrameTimings *timings,
timings->complete = complete;
}
gboolean
gdk_frame_timings_get_slept_before (GdkFrameTimings *timings)
{
g_return_val_if_fail (timings != NULL, FALSE);
return timings->slept_before;
}
void
gdk_frame_timings_set_slept_before (GdkFrameTimings *timings,
gboolean slept_before)
{
g_return_if_fail (timings != NULL);
timings->slept_before = slept_before;
}
gint64
gdk_frame_timings_get_frame_time (GdkFrameTimings *timings)
{