1 files changed, 6 insertions, 0 deletions
diff --git a/src/common/backend.h b/src/common/backend.h
index c6691eb..b52a147 100644
--- a/src/common/backend.h
+++ b/src/common/backend.h
@@ -8,14 +8,20 @@ struct yasl_backend_ops;
 struct yasl_display {
     const struct yasl_backend_ops *ops;
     struct yasl_display_cbs callbacks;
+    struct yasl_loop *loop;
 };
 
 struct yasl_surface {
     struct yasl_display *display;
     struct yasl_surface_cbs callbacks;
     uint64_t frame_generation;
+    yasl_timer_id *timers;
+    int timer_count;
+    int timer_capacity;
 };
 
+void yasl_surface_clear_timers(struct yasl_surface *s);
+
 static inline uint64_t yasl_frame_begin(struct yasl_surface *s)
 {
     if (++s->frame_generation == 0) ++s->frame_generation;