** Changed in: unity
Status: New => Triaged
** Changed in: unity
Importance: Undecided => Medium
** Also affects: unity (Ubuntu)
Importance: Undecided
Status: New
** Changed in: unity (Ubuntu)
Status: New => Triaged
** Changed in: unity (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1491555
Title:
Unity unnecessarily goes to low graphics mode
Status in Unity:
Triaged
Status in unity package in Ubuntu:
Triaged
Bug description:
Unity goes into low graphics mode when it detects "LLVM" in the
renderer string. "LLVM" is not the right pattern to match because
there are now accelerated Gallium drivers those also report "LLVM" in
the render string, e.g. VMWare and Radeon.
For example, this bug that showed up recently:
https://bugs.freedesktop.org/show_bug.cgi?id=91747#c3
Gallium drivers may fall back to the Gallium Draw module for certain
operations, and the Draw module can go down an LLVM path if
necessarily and enabled.
I think the original intention of this check is to catch "llvmpipe"
driver, so I've attached a patch to do just that. Also, instead of
matching "on softpipe", it seems that "softpipe" is sufficient.
FYI, this fix can hopefully end up in Ubuntu 14.04 onwards.
Unfortunately, I can't get through my company's proxy to push my
branch, so instead of a merge request, please see the patch attached.
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