SDL: Support Vulkan

src/duckstation-sdl/sdl_util.h

@@ -0,0 +1,10 @@
+#pragma once
+#include "common/types.h"
+#include "common/window_info.h"
+#include <optional>
+
+struct SDL_Window;
+
+namespace SDLUtil {
+std::optional<WindowInfo> GetWindowInfoForSDLWindow(SDL_Window* window);
+}