Added a init function to OSystem_SDL for early backend setup, and so allowing better sub classing.

svn-id: r50224

1 files changed, 13 insertions, 9 deletions

diff --git a/backends/platform/sdl/sdl.cpp b/backends/platform/sdl/sdl.cpp
index e9b35fae32..85506c9520 100644
--- a/backends/platform/sdl/sdl.cpp
+++ b/backends/platform/sdl/sdl.cpp
@@ -54,18 +54,25 @@ OSystem_SDL::~OSystem_SDL() {
 	deinit();
 }
 
-void OSystem_SDL::initBackend() {
-	// Check if backend has not been initialized
-	assert(!_inited);
-
+void OSystem_SDL::init() {
 	// Initialize SDL
 	initSDL();
 
-	// Creates the backend managers, if they don't exist yet (we check
-	// for this to allow subclasses to provide their own).
+	// Creates the early needed managers, if they don't exist yet
+	// (we check for this to allow subclasses to provide their own).
 	if (_mutexManager == 0)
 		_mutexManager = new SdlMutexManager();
 
+	if (_timerManager == 0)
+		_timerManager = new SdlTimerManager();
+}
+
+void OSystem_SDL::initBackend() {
+	// Check if backend has not been initialized
+	assert(!_inited);
+
+	// Creates the backend managers, if they don't exist yet (we check
+	// for this to allow subclasses to provide their own).
 	if (_eventManager == 0)
 		_eventManager = new SdlEventManager(this);
 
@@ -79,9 +86,6 @@ void OSystem_SDL::initBackend() {
 		_mixerManager->init();
 	}
 
-	if (_timerManager == 0)
-		_timerManager = new SdlTimerManager();
-
 	if (_graphicsManager == 0)
 		_graphicsManager = new SdlGraphicsManager();