[Bug 97232] Line rendering broken in Dolphin when using gl_ClipDistance

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97232

            Bug ID: 97232
           Summary: Line rendering broken in Dolphin when using
                    gl_ClipDistance
           Product: Mesa
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: jules.blok at gmail.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Created attachment 125581
  --> https://bugs.freedesktop.org/attachment.cgi?id=125581&action=edit
apitrace file

We've added a user-defined clipping plane (gl_ClipDistance) to our vertex
shader, unfortunately this breaks our geometry shaders on the Intel drivers. It
seems that the software rasterizer (llvm) does handle this case correctly.

I've attached an apitrace to reproduce the problem.

Expected output:
https://fifoci.dolphin-emu.org/media/results/eae81c0cc9421e4b98a35024ee1a9a471cf1e7ca.png

Actual output:
https://fifoci.dolphin-emu.org/media/results/44bba96a45cf665df718f81ea48f867e174999da.png

You can also take a look at this issue on our automated testing system: 
https://fifoci.dolphin-emu.org/compare/1931322-1924567/

And here is the relevant PR where we are running into this issue:
https://github.com/dolphin-emu/dolphin/pull/4085

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-3d-bugs/attachments/20160807/3da1eca9/attachment.html>