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window: don't grab server during calc_showing

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This grab was added in commit caf43a123f
https://bugzilla.gnome.org/show_bug.cgi?id=381127
to minimize window flickering when switching workspaces.

While this grab is held, some signals are emitted to the shell,
which can lead to deadlocks (reproduced under Mali binary OpenGLESv2
drivers).

Now that we are a compositing window manager, we do not have to
worry about flickers, this grab should no longer be necessary.

https://bugzilla.gnome.org/show_bug.cgi?id=721709
This commit is contained in:
Daniel Drake 2014-01-07 10:12:31 -06:00
parent 477acddf64
commit 02426c50cb
1 changed files with 0 additions and 7 deletions
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7
src/core/window.c
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@ -2254,7 +2254,6 @@ idle_calc_showing (gpointer data)
GSList *should_hide;
GSList *unplaced;
GSList *displays;
MetaWindow *first_window;
guint queue_index = GPOINTER_TO_INT (data);
g_return_val_if_fail (queue_pending[queue_index] != NULL, FALSE);
@ -2307,10 +2306,6 @@ idle_calc_showing (gpointer data)
should_show = g_slist_sort (should_show, stackcmp);
should_show = g_slist_reverse (should_show);
first_window = copy->data;
meta_display_grab (first_window->display);
tmp = unplaced;
while (tmp != NULL)
{
@ -2383,8 +2378,6 @@ idle_calc_showing (gpointer data)
}
}
meta_display_ungrab (first_window->display);
g_slist_free (copy);
g_slist_free (unplaced);