X-Git-Url: http://nitlanguage.org

diff --git a/lib/gamnit/display_linux.nit b/lib/gamnit/display_linux.nit
index cb6bdf0..dcfd963 100644
--- a/lib/gamnit/display_linux.nit
+++ b/lib/gamnit/display_linux.nit
@@ -82,29 +82,34 @@ redef class GamnitDisplay
 			print_error "Failed to initialize SDL2 IMG: {sdl.error}"
 		end
 
-		var sdl_window = new SDLWindow(window_title.to_cstring, window_width, window_height, (new SDLWindowFlags).opengl)
+		var sdl_window = new SDLWindow(window_title.to_cstring, window_width, window_height, sdl_window_flags)
 		assert not sdl_window.address_is_null else
 			print_error "Failed to create SDL2 window: {sdl.error}"
 		end
 
 		# Audio support
 		var inited = mix.initialize(mix_init_flags)
-		assert inited != mix_init_flags else
+		if inited != mix_init_flags then
 			print_error "Failed to load SDL2 mixer format supports: {mix.error}"
 		end
 
-		var opened = mix.open_audio(44100, mix.default_format, 2, 1024)
-		assert opened else
+		var open = mix.open_audio(44100, mix.default_format, 2, 1024)
+		if not open then
 			print_error "Failed to initialize SDL2 mixer: {mix.error}"
 		end
 
 		return sdl_window
 	end
 
-	# Initialization flags passed to SDL2 mixer
+	# SDL2 window initialization flags
 	#
-	# Defaults to all available formats.
-	var mix_init_flags: MixInitFlags = mix.flac | mix.mod | mix.mp3 | mix.ogg is lazy, writable
+	# The default value supports OpenGL and window resizing.
+	var sdl_window_flags: SDLWindowFlags = (new SDLWindowFlags).opengl.resizable is lazy, writable
+
+	# SDL2 mixer initialization flags
+	#
+	# Defaults to FLAC, MP3 and OGG.
+	var mix_init_flags: MixInitFlags = mix.flac | mix.mp3 | mix.ogg is lazy, writable
 
 	# Close the SDL display
 	fun close_sdl