[Bug 98856] [Regression, SI] DIRT: Showdown broken graphics

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98856

--- Comment #7 from Gregor Münch <gr.muench at gmail.com> ---
I finally was able to start bisecting this, I was going back to Mesa from early
October but couldnt find the culprit. I used PKGBUILD provided from here:
https://aur.archlinux.org/packages/lib32-mesa-git/
Then I followed these instructions:
https://wiki.archlinux.org/index.php/Arch_User_Repository#Installing_packages
https://wiki.archlinux.org/index.php/Bisecting_bugs

I guess since the executable name of the game is dirt.i386 so bisecting the
32bit package is the right one?

Im a bit lost here, I will try older Kernel and libdrm but after that Im
running out of ideas what could caused this, any other ideas would be
appreciated.

BTW, judging from the screenshots in
https://bugs.freedesktop.org/show_bug.cgi?id=99136 it looks this is the same
problem. Its interesting to see that enabling a minor heavy graphic option
causes such crazy graphical corruption. He enables blood effects and in Dirt
you have to set Crowd from OFF to LOW or higher. While ULTRA option makes the
problem even worse.


Fun Fact: I tested Tomb Raider Benchmark, and the average FPS on went from
48fps with Mesa from October to 58fps with current Mesa git. So really good job
on this!

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