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backend-x11: Remove bad branch prediction

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This will only get once, at in Clutter initialization time.

https://bugzilla.gnome.org/show_bug.cgi?id=703969
This commit is contained in:
Jasper St. Pierre 2013-07-10 16:26:01 -04:00
parent 78f20627ac
commit 0b32f99bd1
1 changed files with 51 additions and 54 deletions
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105
clutter/x11/clutter-backend-x11.c
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@ -223,71 +223,68 @@ clutter_backend_x11_xsettings_notify (const char *name,
static void
clutter_backend_x11_create_device_manager (ClutterBackendX11 *backend_x11)
{
if (G_UNLIKELY (backend_x11->device_manager == NULL))
{
ClutterEventTranslator *translator;
ClutterBackend *backend;
ClutterEventTranslator *translator;
ClutterBackend *backend;
#if defined(HAVE_XINPUT) || defined(HAVE_XINPUT_2)
if (clutter_enable_xinput)
if (clutter_enable_xinput)
{
int event_base, first_event, first_error;
if (XQueryExtension (backend_x11->xdpy, "XInputExtension",
&event_base,
&first_event,
&first_error))
{
int event_base, first_event, first_error;
if (XQueryExtension (backend_x11->xdpy, "XInputExtension",
&event_base,
&first_event,
&first_error))
{
#ifdef HAVE_XINPUT_2
int major = 2;
int minor = 3;
int major = 2;
int minor = 3;
if (XIQueryVersion (backend_x11->xdpy, &major, &minor) != BadRequest)
{
CLUTTER_NOTE (BACKEND, "Creating XI2 device manager");
backend_x11->has_xinput = TRUE;
backend_x11->device_manager =
g_object_new (CLUTTER_TYPE_DEVICE_MANAGER_XI2,
"backend", backend_x11,
"opcode", event_base,
NULL);
if (XIQueryVersion (backend_x11->xdpy, &major, &minor) != BadRequest)
{
CLUTTER_NOTE (BACKEND, "Creating XI2 device manager");
backend_x11->has_xinput = TRUE;
backend_x11->device_manager =
g_object_new (CLUTTER_TYPE_DEVICE_MANAGER_XI2,
"backend", backend_x11,
"opcode", event_base,
NULL);
backend_x11->xi_minor = minor;
}
else
backend_x11->xi_minor = minor;
}
else
#endif /* HAVE_XINPUT_2 */
{
CLUTTER_NOTE (BACKEND, "Creating Core+XI device manager");
backend_x11->has_xinput = TRUE;
backend_x11->device_manager =
g_object_new (CLUTTER_TYPE_DEVICE_MANAGER_X11,
"backend", backend_x11,
"event-base", first_event,
NULL);
{
CLUTTER_NOTE (BACKEND, "Creating Core+XI device manager");
backend_x11->has_xinput = TRUE;
backend_x11->device_manager =
g_object_new (CLUTTER_TYPE_DEVICE_MANAGER_X11,
"backend", backend_x11,
"event-base", first_event,
NULL);
backend_x11->xi_minor = -1;
}
backend_x11->xi_minor = -1;
}
}
else
#endif /* HAVE_XINPUT || HAVE_XINPUT_2 */
{
CLUTTER_NOTE (BACKEND, "Creating Core device manager");
backend_x11->has_xinput = FALSE;
backend_x11->device_manager =
g_object_new (CLUTTER_TYPE_DEVICE_MANAGER_X11,
"backend", backend_x11,
NULL);
backend_x11->xi_minor = -1;
}
backend = CLUTTER_BACKEND (backend_x11);
backend->device_manager = backend_x11->device_manager;
translator = CLUTTER_EVENT_TRANSLATOR (backend_x11->device_manager);
_clutter_backend_add_event_translator (backend, translator);
}
else
#endif /* HAVE_XINPUT || HAVE_XINPUT_2 */
{
CLUTTER_NOTE (BACKEND, "Creating Core device manager");
backend_x11->has_xinput = FALSE;
backend_x11->device_manager =
g_object_new (CLUTTER_TYPE_DEVICE_MANAGER_X11,
"backend", backend_x11,
NULL);
backend_x11->xi_minor = -1;
}
backend = CLUTTER_BACKEND (backend_x11);
backend->device_manager = backend_x11->device_manager;
translator = CLUTTER_EVENT_TRANSLATOR (backend_x11->device_manager);
_clutter_backend_add_event_translator (backend, translator);
}
static void