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backends: Store MUTTER_STAGE_VIEWS envvar content just once

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No need to poke this regularly while drawing the stage.

https://bugzilla.gnome.org/show_bug.cgi?id=782344
This commit is contained in:
Carlos Garnacho 2017-05-06 18:45:42 +02:00
parent 3887d25dbc
commit f2309cdb55
1 changed files with 7 additions and 8 deletions
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15
src/backends/meta-backend.c
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@ -60,6 +60,8 @@ static guint signals[N_SIGNALS];
static MetaBackend *_backend;
static gboolean stage_views_disabled = FALSE;
/**
* meta_get_backend:
*
@ -549,6 +551,7 @@ meta_backend_enable_experimental_feature (MetaBackend *backend,
static void
meta_backend_class_init (MetaBackendClass *klass)
{
const gchar *mutter_stage_views;
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = meta_backend_finalize;
@ -595,6 +598,9 @@ meta_backend_class_init (MetaBackendClass *klass)
0,
NULL, NULL, NULL,
G_TYPE_NONE, 0);
mutter_stage_views = g_getenv ("MUTTER_STAGE_VIEWS");
stage_views_disabled = g_strcmp0 (mutter_stage_views, "0") == 0;
}
static gboolean
@ -1030,17 +1036,10 @@ meta_backend_display_opened (MetaBackend *backend)
gboolean
meta_is_stage_views_enabled (void)
{
const gchar *mutter_stage_views;
if (!meta_is_wayland_compositor ())
return FALSE;
mutter_stage_views = g_getenv ("MUTTER_STAGE_VIEWS");
if (!mutter_stage_views)
return TRUE;
return !g_str_equal (mutter_stage_views, "0");
return !stage_views_disabled;
}
gboolean