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frame: Only XSync when we're on the X11 compositor backend

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The only case we have is the case where the two X11 connections are the
same. When on Wayland, the XSync is costly and expensive, and we should
minimize it.
This commit is contained in:
Jasper St. Pierre 2014-07-10 13:29:20 -04:00
parent 1af9e92e91
commit 1749a85e96
1 changed files with 11 additions and 4 deletions
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15
src/core/frame.c
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@ -26,6 +26,7 @@
#include "bell.h"
#include <meta/errors.h>
#include "keybindings-private.h"
#include "backends/x11/meta-backend-x11.h"
#define EVENT_MASK (SubstructureRedirectMask | \
StructureNotifyMask | SubstructureNotifyMask | \
@ -159,10 +160,16 @@ meta_window_ensure_frame (MetaWindow *window)
meta_ui_map_frame (frame->window->screen->ui, frame->xwindow);
/* Since the backend takes keygrabs on another connection, make sure
* to sync the GTK+ connection to ensure that the frame window has
* been created on the server at this point. */
XSync (window->display->xdisplay, False);
{
MetaBackend *backend = meta_get_backend ();
if (META_IS_BACKEND_X11 (backend))
{
/* Since the backend takes keygrabs on another connection, make sure
* to sync the GTK+ connection to ensure that the frame window has
* been created on the server at this point. */
XSync (window->display->xdisplay, False);
}
}
/* Move keybindings to frame instead of window */
meta_window_grab_keys (window);