Early init of the scaler - to prevent ComI trying to use a huge window by default.

This may require porters to make a small backend change, not to reinit a scaler on hotswap if the display has not been init_size'ed.

svn-id: r6449

1 files changed, 2 insertions, 0 deletions

diff --git a/backends/sdl/sdl.cpp b/backends/sdl/sdl.cpp
index d6e6e8991d..eaa7a03642 100644
--- a/backends/sdl/sdl.cpp
+++ b/backends/sdl/sdl.cpp
@@ -191,6 +191,8 @@ void OSystem_SDL::unload_gfx_mode() {
 }
 
 void OSystem_SDL::hotswap_gfx_mode() {
+	if (!_screen)
+		return;
 
 	// Keep around the old _screen & _tmpscreen so we can restore the screen data
 	// after the mode switch.