libweston/weston-debug: Add a easy way to determine if the debug protocol has been enabled

This allows additional debug features to depend on the debug protocol being enabled

Signed-off-by: Marius Vlad <marius.vlad0@gmail.com>

libweston/weston-debug.c

@@ -350,6 +350,16 @@ weston_compositor_enable_debug_protocol(struct weston_compositor *compositor)
 		   "information leak.\n");
 }
 
+/** Determine if the debug protocol has been enabled
+ *
+ * \param wc The libweston compositor to verify if debug protocol has been enabled
+ */
+WL_EXPORT bool
+weston_compositor_is_debug_protocol_enabled(struct weston_compositor *wc)
+{
+	return wc->weston_debug->global != NULL;
+}
+
 /** Register a new debug stream name, creating a debug scope
  *
  * \param compositor The libweston compositor where to add.

libweston/weston-debug.h

@@ -39,6 +39,9 @@ struct weston_compositor;
 void
 weston_compositor_enable_debug_protocol(struct weston_compositor *);
 
+bool
+weston_compositor_is_debug_protocol_enabled(struct weston_compositor *);
+
 struct weston_debug_scope;
 struct weston_debug_stream;