http://bugzilla.opensuse.org/show_bug.cgi?id=1030338 http://bugzilla.opensuse.org/show_bug.cgi?id=1030338#c1 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|xorg-maintainer-bugs@forge. |idonmez@suse.com |provo.novell.com | --- Comment #1 from Stefan Dirsch --- Reassigning to maintainer. -- You are receiving this mail because: You are on the CC list for the bug.

http://bugzilla.opensuse.org/show_bug.cgi?id=1030338 Michal Srb changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |msrb@suse.com -- You are receiving this mail because: You are on the CC list for the bug.

http://bugzilla.opensuse.org/show_bug.cgi?id=1030338 http://bugzilla.opensuse.org/show_bug.cgi?id=1030338#c4 Michal Srb changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dev@lachner-net.de Flags| |needinfo?(dev@lachner-net.d | |e) --- Comment #4 from Michal Srb --- Unfortunately we can not change the llvm version in 42.3 and it is not known which change fixed it between 3.8 and 4.0, so we have nothing to backport. In theory it could be bisected, but since building llvm is quite a pain, it may not be worth the effort. The hexagonal shapes around lights are from deferred lighting. Cities Skylines is using that method to render many small lights at once. In that model each point light has a radius beyond which it is too weak to affect anything. A simplified shape (hexagon in this case) is rendered around each light and a fragment shader may for example discard every fragment beyond the radius, or it returns zero alpha or something like that. For some reason it fails here, maybe the alpha value wraps, or some control flow is compiled badly. Even with this insight, I can't find a commit that may have fixed it. OpenSUSE Tumbleweed/Factory has LLVM4 (and soon it will have LLVM5 too), would you be fine with using Mesa and LLVM packages from Tumbleweed, or upgrading to Tumbleweed completely? -- You are receiving this mail because: You are on the CC list for the bug.

http://bugzilla.opensuse.org/show_bug.cgi?id=1030338 http://bugzilla.opensuse.org/show_bug.cgi?id=1030338#c6 --- Comment #6 from Bernd Lachner --- It is not possible to use Mesa from Tumbleweed on openUSE Leap 42.3. It breaks to many dependencies. The Mesa in this repository: http://download.opensuse.org/repositories/X11:/XOrg/openSUSE_Leap_42.3/ Unfortunately uses the old libLLVM Version too. At least I hope the new Mesa 18 in Leap 15 uses a newer libLLVM and fixes this bug. It seems that this is the case, but I can't test it yet. -- You are receiving this mail because: You are on the CC list for the bug.