1 files changed, 7 insertions, 0 deletions
diff --git a/src/common/backend.h b/src/common/backend.h
index 6ab7248..e1d29c5 100644
--- a/src/common/backend.h
+++ b/src/common/backend.h
@@ -9,13 +9,20 @@ struct yasl_backend_ops;
 
 struct yasl_display {
     const struct yasl_backend_ops *ops;
+    void *native_handle;
     struct yasl_display_cbs callbacks;
     struct yasl_loop *loop;
 };
 
 struct yasl_surface {
     struct yasl_display *display;
+    void *native_handle;
+    struct yasl_vector2i size;
+    uint32_t scale_120;
+    uint32_t state;
+    uint32_t bg_color;
     struct yasl_surface_cbs callbacks;
+    void *ud;
     uint64_t frame_generation;
     yasl_timer_id *timers;
     int timer_count;