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x11: Always request frame updates

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This ensures that the frame clock gets updated with correct presentation
times even if nothing was drawn.

This is necessary for benchmarking but would also be relevant for videos
that want to sync to the frame clock but draw frames a lot less.
This commit is contained in:
Benjamin Otte 2018-03-30 15:36:54 +02:00
parent 7201e63120
commit c13fff8adb
1 changed files with 4 additions and 0 deletions
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4
gdk/x11/gdksurface-x11.c
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@ -406,6 +406,10 @@ gdk_x11_surface_end_frame (GdkSurface *surface)
clock = gdk_surface_get_frame_clock (surface);
timings = gdk_frame_clock_get_current_timings (clock);
/* Make sure we request timing updates even if nothing was damaged.
* We want the frame clock to be accurate. */
gdk_x11_surface_pre_damage (surface);
impl->toplevel->in_frame = FALSE;
if (impl->toplevel->current_counter_value % 2 == 1)