upgrade to Filament 1.21.0

ios/include/filament/Scene.h

@@ -22,6 +22,7 @@
 #include <filament/FilamentAPI.h>
 
 #include <utils/compiler.h>
+#include <utils/Invocable.h>
 
 namespace utils {
     class Entity;
@@ -156,6 +157,15 @@ public:
      * @return Whether the given entity is in the Scene.
      */
     bool hasEntity(utils::Entity entity) const noexcept;
+
+    /**
+     * Invokes user functor on each entity in the scene.
+     *
+     * It is not allowed to add or remove an entity from the scene within the functor.
+     *
+     * @param functor User provided functor called for each entity in the scene
+     */
+    void forEach(utils::Invocable<void(utils::Entity entity)>&& functor) const noexcept;
 };
 
 } // namespace filament