If ozone_render() hasn't run yet (which is the case at

startup when settings->uints.menu_startup_page != Main Menu —
the runloop's PENDING_STARTUP_PAGE branch handles the list
swap and doesn't fall through to menu_driver_iterate()),
NEED_COMPUTE is still set and entry node positions are
uninitialised.  Drawing entries at this point produces
every entry overlapping at the header offset.  Compute
them inline now so the very first frame renders correctly

Author: LibretroAdmin

menu/drivers/ozone.c

@@ -11961,6 +11961,24 @@ static void ozone_frame(void *data, video_frame_info_t *video_info)
       ozone->cursor_x_old = ozone->pointer.x;
       ozone->cursor_y_old = ozone->pointer.y;
       ozone->flags       &= ~OZONE_FLAG_FIRST_FRAME;
+
+      /* If ozone_render() hasn't run yet (which is the case at
+       * startup when settings->uints.menu_startup_page != Main Menu —
+       * the runloop's PENDING_STARTUP_PAGE branch handles the list
+       * swap and doesn't fall through to menu_driver_iterate()),
+       * NEED_COMPUTE is still set and entry node positions are
+       * uninitialised.  Drawing entries at this point produces
+       * every entry overlapping at the header offset.  Compute
+       * them inline now so the very first frame renders correctly. */
+      if (ozone->flags & OZONE_FLAG_NEED_COMPUTE)
+      {
+         file_list_t *fl_compute = MENU_LIST_GET_SELECTION(menu_list, 0);
+         ozone_compute_entries_position(ozone,
+               settings->bools.savestate_thumbnail_enable,
+               settings->bools.menu_show_sublabels,
+               fl_compute ? fl_compute->size : 0);
+         ozone->flags &= ~OZONE_FLAG_NEED_COMPUTE;
+      }
    }
 
    /* OSK Fade detection */