JXjxf·Jan 21, 2015Submission
Linus on Witcher 2 Bug: “Sorry we broke this, will be fixed”
4 points · Open discussionkillaw0lf04
the-witcher-2-issues
HISTORICAL RECORD2014–2015
killaw0lf04 / the-witcher-2-issues · Not publicly available
the-witcher-2-issues
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| Period | Start (UTC) | End (exclusive, UTC) | Mentions | Submissions | Comments |
|---|---|---|---|---|---|
| Jun 2014 | 2014-06-01 00:00:00 UTC | 2014-07-01 00:00:00 UTC | 2 | 0 | 2 |
| Jul 2014 | 2014-07-01 00:00:00 UTC | 2014-08-01 00:00:00 UTC | 0 | 0 | 0 |
| Aug 2014 | 2014-08-01 00:00:00 UTC | 2014-09-01 00:00:00 UTC | 0 | 0 | 0 |
| Sep 2014 | 2014-09-01 00:00:00 UTC | 2014-10-01 00:00:00 UTC | 0 | 0 | 0 |
| Oct 2014 | 2014-10-01 00:00:00 UTC | 2014-11-01 00:00:00 UTC | 0 | 0 | 0 |
| Nov 2014 | 2014-11-01 00:00:00 UTC | 2014-12-01 00:00:00 UTC | 0 | 0 | 0 |
| Dec 2014 | 2014-12-01 00:00:00 UTC | 2015-01-01 00:00:00 UTC | 0 | 0 | 0 |
| Jan 2015 | 2015-01-01 00:00:00 UTC | 2015-02-01 00:00:00 UTC | 1 | 1 | 0 |
What Hacker News says
3 sourcesRecent comments from Virtual Programming developers:
https://github.com/KillaW0lf04/The-Witcher-2-Issues/issues/1...
> We are looking into the performance issues as a serious task, as obviously this will affect any other Linux games we do as well as Witcher 2. Despite various claims made, we want to get the best performance we can!
We will confirm support for AMD's fglrx driver when they have shipped a non-beta release that allows the game to run correctly, though it does seem that the 14.4 rev2 driver largely addresses this. On my personal machine with a Radeon HD 7750, I get an ASIC hang with this driver after playing for roughly half an hour - so I am currently hesitant to "officially recommend" it.
On my machine, using PlayOnLinux, Witcher 2 performance is worse than our port is. However, with the CSMT patch, it does appear to be much
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better. We are looking into why this is, and suspect that the issue comes down to poor multithreading in GL currently, which is exactly what CSMT avoids by making all GL operations occur on a single thread.
Witcher 2 is making use of multi threaded Direct3D 9 support, and we are implementing this in eON by using shared GL contexts, one for each thread. The context share resources such as textures and vertex buffers. We are investigating whether this turns out to be a big performance hit or not.
For the reference:
* Unofficial community bugtracker for the Witcher 2: https://github.com/KillaW0lf04/The-Witcher-2-Issues
* Witcher wiki - howtos and workarounds (Linux version): http://witcher.gamepedia.com/The_Witcher_2_howtos_and_workar...
* Linux issues and user solutions: http://forums.cdprojektred.com/threads/29958-Linux-issues-an...
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