https://bugs.winehq.org/show_bug.cgi?id=39787
--- Comment #9 from Alois Schlögl alois.schloegl@gmail.com ---
These links seem to be related https://www.opengl.org/registry/specs/APPLE/fence.txt http://www.wesnoth.org/devdocs/glew_8h.html
So, its an OpenGL thing. In case it's useful, here is the output of
# glxinfo |grep "OpenGL.*string" OpenGL vendor string: Intel Open Source Technology Center OpenGL renderer string: Mesa DRI Intel(R) G33 OpenGL version string: 2.1 Mesa 10.3.2 OpenGL shading language version string: 1.20 OpenGL ES profile version string: OpenGL ES 2.0 Mesa 10.3.2 OpenGL ES profile shading language version string: OpenGL ES GLSL ES 1.0.16
I'll also add full output of glxinfo as attachment