diff --git a/legacy/ecore/src/lib/ecore_x/Ecore_X.h b/legacy/ecore/src/lib/ecore_x/Ecore_X.h
index 3f9b926bea..44d78957cc 100644
--- a/legacy/ecore/src/lib/ecore_x/Ecore_X.h
+++ b/legacy/ecore/src/lib/ecore_x/Ecore_X.h
@@ -1515,6 +1515,8 @@ EAPI Ecore_X_Damage    ecore_x_damage_new(Ecore_X_Drawable d, Ecore_X_Damage_Rep
 EAPI void              ecore_x_damage_del(Ecore_X_Damage damage);
 EAPI void              ecore_x_damage_subtract(Ecore_X_Damage damage, Ecore_X_Region repair, Ecore_X_Region parts);
 
+EAPI int               ecore_x_screen_is_composited(int screen);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/legacy/ecore/src/lib/ecore_x/ecore_x_netwm.c b/legacy/ecore/src/lib/ecore_x/ecore_x_netwm.c
index 7ba35b78fe..3090ecb4c4 100644
--- a/legacy/ecore/src/lib/ecore_x/ecore_x_netwm.c
+++ b/legacy/ecore/src/lib/ecore_x/ecore_x_netwm.c
@@ -1638,3 +1638,22 @@ _ecore_x_netwm_startup_info_free(void *data)
    if (info->wmclass) free(info->wmclass);
    free(info);
 }
+
+/*
+ * Is screen composited?
+ */
+EAPI int
+ecore_x_screen_is_composited(int screen)
+{
+   Ecore_X_Window      win;
+   Ecore_X_Atom        atom;
+   char                buf[32];
+
+   snprintf(buf, sizeof(buf), "_NET_WM_CM_S%d", screen);
+   atom = XInternAtom(_ecore_x_disp, buf, True);
+   if (atom == None) return 0;
+
+   win = XGetSelectionOwner(_ecore_x_disp, atom);
+
+   return win != None;
+}