1 files changed, 2 insertions, 0 deletions
diff --git a/src/common/backend.h b/src/common/backend.h
index 6014cda..b93547a 100644
--- a/src/common/backend.h
+++ b/src/common/backend.h
@@ -14,6 +14,7 @@ struct yasl_display {
     void *native_handle;
     struct yasl_display_cbs callbacks;
     struct yasl_loop *loop;
+    void *app_runner;
 };
 
 struct yasl_surface {
@@ -32,6 +33,7 @@ struct yasl_surface {
     yasl_timer_id *timers;
     int timer_count;
     int timer_capacity;
+    void *app_surface;
 };
 
 void yasl_surface_clear_timers(struct yasl_surface *s);