http://bugs.winehq.org/show_bug.cgi?id=26490
--- Comment #7 from GyB gyebro69@gmail.com 2011-04-12 22:11:59 CDT --- Those solid black artifacts are still present for me in wine-1.3.17-243-ge5c3883 if shader quality is medium or high in Guild Wars: EotN. Tested with Nvidia driver 260.19.36 and 270.30.