[Bug 37347] Battle.net update 2014-10-01 results in black screen or distorted graphics with Intel drivers

https://bugs.winehq.org/show_bug.cgi?id=37347

--- Comment #18 from Seth Martin  ---
(In reply to James Hebden from comment #17)
> Wine version: 1.7.27
> Linux Kernel: 3.16.1
> Mesa: 10.2.6-1 
> Debian Sid
>
> I've found that running with the LIBGL_ALWAYS_SOFTWARE environment variable
> set to 1 works around this, which definitely suggests this is hardware/mesa
> related rather than a Wine bug.
>
> Steps to demonstrate:
> LIBGL_ALWAYS_SOFTWARE=1 wine ./.wine/drive_c/Program\ Files\
> (x86)/Battle.net/Battle.net\ Launcher.exe
>
> It also seems that users of Intel graphics are seeing this when running
> native installs under Windows, so could also just be the launcher is using a
> GL extension not supported by the driver/card.
> e.g. http://us.battle.net/en/forum/topic/14728822920

I can confirm that this does indeed allow the Battle.net Launcher to render
properly. It isn't really a workable solution though as performance of any game
will be awful.

Any ideas what I can adjust with Mesa to get this working with hardware
rendering?