https://bugs.winehq.org/show_bug.cgi?id=38104
--- Comment #2 from Sławek slawek@lach.art.pl --- I seen implementation of ddraw_surface7_Unlock on http://doxygen.reactos.org/d7/def/dll_2directx_2wine_2ddraw_2surface_8c_ad96... and there's no used pRect parameter, so sorry for previous comment.