http://bugs.winehq.org/show_bug.cgi?id=10633
--- Comment #11 from Rico kgbricola@web.de 2010-04-17 08:51:12 --- Created an attachment (id=27402) --> (http://bugs.winehq.org/attachment.cgi?id=27402) workaround for the white "triangles"
This hack works around another problem (white triangles). It's an updated version from bug 7284 attachment http://bugs2.winehq.org/attachment.cgi?id=20180 .