https://bugs.freedesktop.org/show_bug.cgi?id=90869
--- Comment #2 from Matteo Bruni matteo.mystral@gmail.com --- This is probably Wine bug 25696 / 34052. Read https://bugs.winehq.org/show_bug.cgi?id=34052#c42 for an explanation of that bug (essentially, the vertex shader reads out of bounds of a uniform array).