diff -r d7abc11bb69a include/SDL_syswm.h
--- a/include/SDL_syswm.h	Sat Jan 09 00:11:20 2021 +0300
+++ b/include/SDL_syswm.h	Sat Jan 09 01:39:18 2021 +0300
@@ -274,9 +274,10 @@
 #if defined(SDL_VIDEO_DRIVER_WAYLAND)
         struct
         {
-            struct wl_display *display;            /**< Wayland display */
-            struct wl_surface *surface;            /**< Wayland surface */
+            struct wl_display *display;             /**< Wayland display */
+            struct wl_surface *surface;             /**< Wayland surface */
             struct wl_shell_surface *shell_surface; /**< Wayland shell_surface (window manager handle) */
+            struct wl_egl_window *egl_window;       /**< Wayland EGL window (native window) */
         } wl;
 #endif
 #if defined(SDL_VIDEO_DRIVER_MIR)  /* no longer available, left for API/ABI compatibility. Remove in 2.1! */
diff -r d7abc11bb69a src/video/wayland/SDL_waylandwindow.c
--- a/src/video/wayland/SDL_waylandwindow.c	Sat Jan 09 00:11:20 2021 +0300
+++ b/src/video/wayland/SDL_waylandwindow.c	Sat Jan 09 01:39:18 2021 +0300
@@ -460,6 +460,7 @@
     info->info.wl.display = data->waylandData->display;
     info->info.wl.surface = data->surface;
     info->info.wl.shell_surface = data->shell_surface.wl;
+    info->info.wl.egl_window = data->egl_window;
     info->subsystem = SDL_SYSWM_WAYLAND;
 
     return SDL_TRUE;