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Always send _NET_WM_FRAME_DRAWN for newly created windows

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Send a _NET_WM_FRAME_DRAWN for each newly created window, as required
by the specification. This avoids a race where a window might be created
frozen but already unfrozen by the time we first see fetch the
counter value.

Remove a duplicate call to meta_compositor_set_updates_frozen() which
was called before the MetaWindowActor is created and hence did nothing.

https://bugzilla.gnome.org/show_bug.cgi?id=694771
This commit is contained in:
Owen W. Taylor 2013-02-28 16:12:50 -05:00
parent 98b0a37442
commit 6e02fb80c4
2 changed files with 6 additions and 5 deletions
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7
src/compositor/meta-window-actor.c
View File

@ -1562,6 +1562,12 @@ meta_window_actor_new (MetaWindow *window)
meta_window_actor_set_updates_frozen (self, meta_window_actor_set_updates_frozen (self,
meta_window_updates_are_frozen (priv->window)); meta_window_updates_are_frozen (priv->window));
/* If a window doesn't start off with updates frozen, we should
* we should send a _NET_WM_FRAME_DRAWN immediately after the first drawn.
*/
if (priv->window->extended_sync_request_counter && !priv->updates_frozen)
meta_window_actor_queue_frame_drawn (self, FALSE);
meta_window_actor_sync_actor_geometry (self, priv->window->placed); meta_window_actor_sync_actor_geometry (self, priv->window->placed);
/* Hang our compositor window state off the MetaWindow for fast retrieval */ /* Hang our compositor window state off the MetaWindow for fast retrieval */
@ -2408,7 +2414,6 @@ meta_window_actor_post_paint (MetaWindowActor *self)
frame->frame_drawn_time = meta_compositor_monotonic_time_to_server_time (display, frame->frame_drawn_time = meta_compositor_monotonic_time_to_server_time (display,
g_get_monotonic_time ()); g_get_monotonic_time ());
ev.type = ClientMessage; ev.type = ClientMessage;
ev.window = meta_window_get_xwindow (priv->window); ev.window = meta_window_get_xwindow (priv->window);
ev.message_type = display->atom__NET_WM_FRAME_DRAWN; ev.message_type = display->atom__NET_WM_FRAME_DRAWN;

4
src/core/window.c
View File

@ -4558,10 +4558,6 @@ meta_window_create_sync_request_alarm (MetaWindow *window)
window->sync_request_serial = window->sync_request_serial =
XSyncValueLow32 (init) + ((gint64)XSyncValueHigh32 (init) << 32); XSyncValueLow32 (init) + ((gint64)XSyncValueHigh32 (init) << 32);
/* if the value is odd, the window starts off with updates frozen */
meta_compositor_set_updates_frozen (window->display->compositor, window,
meta_window_updates_are_frozen (window));
} }
else else
{ {