Added SDL_PROP_WINDOW_WAYLAND_VIEWPORT_POINTER

include/SDL3/SDL_video.h

@@ -1313,6 +1313,8 @@ extern SDL_DECLSPEC SDL_Window * SDLCALL SDL_GetWindowParent(SDL_Window *window)
  *   the window
  * - `SDL_PROP_WINDOW_WAYLAND_SURFACE_POINTER`: the wl_surface associated with
  *   the window
+ * - `SDL_PROP_WINDOW_WAYLAND_VIEWPORT_POINTER`: the wp_viewport associated with
+ *   the window
  * - `SDL_PROP_WINDOW_WAYLAND_EGL_WINDOW_POINTER`: the wl_egl_window
  *   associated with the window
  * - `SDL_PROP_WINDOW_WAYLAND_XDG_SURFACE_POINTER`: the xdg_surface associated
@@ -1368,6 +1370,7 @@ extern SDL_DECLSPEC SDL_PropertiesID SDLCALL SDL_GetWindowProperties(SDL_Window
 #define SDL_PROP_WINDOW_WIN32_INSTANCE_POINTER                      "SDL.window.win32.instance"
 #define SDL_PROP_WINDOW_WAYLAND_DISPLAY_POINTER                     "SDL.window.wayland.display"
 #define SDL_PROP_WINDOW_WAYLAND_SURFACE_POINTER                     "SDL.window.wayland.surface"
+#define SDL_PROP_WINDOW_WAYLAND_VIEWPORT_POINTER                    "SDL.window.wayland.viewport"
 #define SDL_PROP_WINDOW_WAYLAND_EGL_WINDOW_POINTER                  "SDL.window.wayland.egl_window"
 #define SDL_PROP_WINDOW_WAYLAND_XDG_SURFACE_POINTER                 "SDL.window.wayland.xdg_surface"
 #define SDL_PROP_WINDOW_WAYLAND_XDG_TOPLEVEL_POINTER                "SDL.window.wayland.xdg_toplevel"

src/video/wayland/SDL_waylandwindow.c

@@ -2617,6 +2617,7 @@ bool Wayland_CreateWindow(SDL_VideoDevice *_this, SDL_Window *window, SDL_Proper
     SDL_PropertiesID props = SDL_GetWindowProperties(window);
     SDL_SetPointerProperty(props, SDL_PROP_WINDOW_WAYLAND_DISPLAY_POINTER, data->waylandData->display);
     SDL_SetPointerProperty(props, SDL_PROP_WINDOW_WAYLAND_SURFACE_POINTER, data->surface);
+    SDL_SetPointerProperty(props, SDL_PROP_WINDOW_WAYLAND_VIEWPORT_POINTER, data->viewport);
     SDL_SetPointerProperty(props, SDL_PROP_WINDOW_WAYLAND_EGL_WINDOW_POINTER, data->egl_window);
 
     data->hit_test_result = SDL_HITTEST_NORMAL;