If BeginFrame returns false (eg. we have no drawing context), then EndFrame

will never be called.  This caused messages to not be handled when we lose
focus in fullscreen, so we could never regain focus.

stepmania/src/RageDisplay_D3D.cpp

@@ -641,6 +641,8 @@ int RageDisplay_D3D::GetMaxTextureSize() const
 
 bool RageDisplay_D3D::BeginFrame()
 {
+	GraphicsWindow::Update();
+
 #if !defined(XBOX)
 	switch( g_pd3dDevice->TestCooperativeLevel() )
 	{
@@ -672,8 +674,6 @@ void RageDisplay_D3D::EndFrame()
 	g_pd3dDevice->Present( 0, 0, 0, 0 );
 	FrameLimitAfterVsync();
 
-	GraphicsWindow::Update();
-
 	RageDisplay::EndFrame();
 }