Use SDL3-compatible SDL includes when SDL3 headers are available

src/modules/window/sdl/Window.cpp

@@ -49,8 +49,12 @@
 #endif
 
 #ifdef LOVE_GRAPHICS_VULKAN
+#if __has_include(<SDL3/SDL_vulkan.h>)
+#include <SDL3/SDL_vulkan.h>
+#else
 #include <SDL_vulkan.h>
 #endif
+#endif
 
 #if defined(LOVE_WINDOWS)
 #define WIN32_LEAN_AND_MEAN

src/modules/window/sdl/Window.h

@@ -27,7 +27,11 @@
 #include "graphics/Graphics.h"
 
 // SDL
+#if __has_include(<SDL3/SDL.h>)
+#include <SDL3/SDL.h>
+#else
 #include <SDL.h>
+#endif
 
 namespace love
 {