WII: Abuse pollEvent() to update the screen of skipped frames.

updateScreen() itself skips redraws when called too frequently. With
the right timing and number of consecutive calls this can result in
missing gfx updates, so lets abuse pollEvent() to check for overdue
redraws.

svn-id: r52456

1 files changed, 1 insertions, 0 deletions

diff --git a/backends/platform/wii/osystem.h b/backends/platform/wii/osystem.h
index eaaf616538..ed33b43a81 100644
--- a/backends/platform/wii/osystem.h
+++ b/backends/platform/wii/osystem.h
@@ -117,6 +117,7 @@ private:
 	void deinitGfx();
 	void updateScreenResolution();
 	void switchVideoMode(int mode);
+	bool needsScreenUpdate();
 
 	void initSfx();
 	void deinitSfx();