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

svn-id: r50224

3 files changed, 14 insertions, 0 deletions

diff --git a/backends/platform/sdl/win32/main.cpp b/backends/platform/sdl/win32/main.cpp
index 6c0508835e..ffabeffc9d 100644
--- a/backends/platform/sdl/win32/main.cpp
+++ b/backends/platform/sdl/win32/main.cpp
@@ -50,13 +50,19 @@ int main(int argc, char *argv[]) {
 	g_system = new OSystem_Win32();
 	assert(g_system);
 
+	// Pre initialize the backend
+	((OSystem_Win32 *)g_system)->init();
+
 #ifdef DYNAMIC_MODULES
 	PluginManager::instance().addPluginProvider(new SDLPluginProvider());
 #endif
 
 	// Invoke the actual ScummVM main entry point:
 	int res = scummvm_main(argc, argv);
+
+	// Free OSystem
 	delete (OSystem_Win32 *)g_system;
+
 	return res;
 }
 
diff --git a/backends/platform/sdl/win32/win32.cpp b/backends/platform/sdl/win32/win32.cpp
index 0eb4c467b4..4d585add77 100644
--- a/backends/platform/sdl/win32/win32.cpp
+++ b/backends/platform/sdl/win32/win32.cpp
@@ -47,8 +47,14 @@
 #define DEFAULT_CONFIG_FILE "scummvm.ini"
 
 OSystem_Win32::OSystem_Win32() {
+}
+
+void OSystem_Win32::init() {
 	// Initialze File System Factory
 	_fsFactory = new WindowsFilesystemFactory();
+
+	// Invoke parent implementation of this method
+	OSystem_SDL::init();
 }
 
 Common::String OSystem_Win32::getDefaultConfigFileName() {
diff --git a/backends/platform/sdl/win32/win32.h b/backends/platform/sdl/win32/win32.h
index 2bcb0c59b3..eea7f9ee12 100644
--- a/backends/platform/sdl/win32/win32.h
+++ b/backends/platform/sdl/win32/win32.h
@@ -33,6 +33,8 @@ public:
 	OSystem_Win32();
 	~OSystem_Win32() {}
 
+	void init();
+
 protected:
 	Common::String getDefaultConfigFileName();
 };