The Witcher 3 in Wine
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scix Jun 29, 2017
I'm also getting pretty bad performance with a Nvidia system on this game (R1600 with 980ti), around 20-35 FPS typically using 2.11 staging and CSMT. I did find that disabling threaded-ops helped a little, but locking to a single CCX (0-5 or 6-11) did not. Deus EX HR is the only game that I've seen so far that benefits from a single CCX actually, but it's a rather large boost (20+%).
Shmerl Jun 29, 2017
At least it's a clear case, where Mesa performs much better than Nvidia blob.
malek69 Jun 29, 2017
@Shemerl Maybe this place(ground) is too dark. https://youtu.be/cCtfSXbwovk?t=11m50s
Mblackwell Jun 29, 2017
Playing this with the Nvidia blob and staging (csmt enabled) seems mostly good. There are some weird performance drops that cause input to get momentarily stuck which is aggravating (lowering resolution helps a little).

The biggest flaws so far are:

* Hairworks is not functional (known bug)

* SSAO produces weird artifacts all over the screen (HBAO+ is flawless however)

* A few occasional spots where a black polygon with an odd surface appears over the environment (known bug)

* And the most annoying is that after loading a save or any time an in-engine cutscene starts it appears a specific shader (not sure which) is either dropped completely or inverted giving everything a really odd appearance which I forgot to take a screencap of. Changing any graphical setting will fix this, even something like changing Hairworks to High or Low when it is disabled. Unfortunately I had to install a mod to allow opening the menu during cutscenes. There is no graphical preset which gets around this by default.
Ehvis Jun 29, 2017
Quoting: malek69@Shemerl Maybe this place(ground) is too dark. https://youtu.be/cCtfSXbwovk?t=11m50s

I think it's just too dark. If you compare it to a Windows video, you see that lighting is not right at all in that scene and the scenes that follow.
Shmerl Jun 30, 2017
I personally don't care about hairworks, since it's reportedly never works well om AMD hardware anyway (no hardware acceleration). But if it doesn't work on Nvidia as well, that must be a bug.
Shmerl Jun 30, 2017
Quoting: malek69@Shemerl Maybe this place(ground) is too dark. https://youtu.be/cCtfSXbwovk?t=11m50s

This video is also using AMD (RX 460). I'll report it to Mesa developers anyway for now. If it's invalid, they'll close it.
Mblackwell Jun 30, 2017
Quoting: ShmerlI personally don't care about hairworks, since it's reportedly never works well om AMD hardware anyway (no hardware acceleration). But if it doesn't work on Nvidia as well, that must be a bug.

I guess I'd say that things working "well" will happen over time, but they should work at all. :D


Edit: For whatever reason if I set/force threaded optimizations to 0 I get slightly better performance even though as far as I know they aren't supposed to be enabled by default anymore. Could just be a fluke.
Shmerl Jun 30, 2017
Quoting: MblackwellEdit: For whatever reason if I set/force threaded optimizations to 0 I get slightly better performance even though as far as I know they aren't supposed to be enabled by default anymore. Could just be a fluke.

Nvidia uses some auto-detecion method for it, and it's not always making best decisions. Interestingly, with Mesa threaded dispatch improves performance, and with Nvidia blob it's the opposite.
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