https://bugs.winehq.org/show_bug.cgi?id=43115
--- Comment #3 from Bruno Jesus 00cpxxx@gmail.com --- It is a wild guess but could this be the same source and possibly the error?
https://chromium.googlesource.com/external/angle/+/chrome_m29/src/libGLESv2/...
Is there a way to prove that using something like a +d3d log?