Order by subsystem

include/build_config/SDL_build_config_ios.h

@@ -198,11 +198,11 @@
 
 #if SDL_PLATFORM_SUPPORTS_METAL
 #define SDL_VIDEO_METAL 1
-#define SDL_GPU_METAL 1
-#define SDL_VIDEO_RENDER_METAL 1
 #define SDL_VIDEO_VULKAN 1
+#define SDL_GPU_METAL 1
 #define SDL_GPU_VULKAN 1
-#define SDL_VIDEO_RENDER_GPU  1
+#define SDL_VIDEO_RENDER_METAL 1
+#define SDL_VIDEO_RENDER_GPU 1
 #endif
 
 /* Enable system power support */