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Testing new Mesa ACO shader compiler for AMD
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Linuxwarper 23 Jul, 2019

Thanks, I will come back to that when I run a game through GOG. I looked into DXVK on Github, but the parameters did not do anything for Proton. So I searched further and found out from Proton's FAQ page. The only difference between DXVK own parameter seems to be that for Proton you have to add %command% as well. This will be fun to play around with, thanks!

Shmerl 23 Jul, 2019

Quoting: LinuxwarperThanks, I will come back to that when I run a game through GOG. I looked into DXVK on Github, but the parameters did not do anything for Proton. So I searched further and found out from Proton's FAQ page. The only difference between DXVK own parameter seems to be that for Proton you have to add %command% as well. This will be fun to play around with, thanks!

Even if you run it through Steam - you can simply launch Steam client itself with such script. Children processes inherit environment variables, so they'll propagate to games that Steam sill launch.

lejimster 30 Jul, 2019

FYI, the ACO compiler has just had a major update. It can now handle Vertex shaders, Plagman just updated us on twitter:



Looking good guys :D

Shmerl 31 Jul, 2019

ACO is again ahead for TW3 (built latest master branch):

radv/llvm:


radv/aco

Shmerl 1 Aug, 2019

I didn't test it, but developers write it's mostly beneficial for lower end hardware. With high end CPU you probably won't notice big gains.

massatt212 2 Sep, 2019

Does anyone know how to get 32bit Mesa ACO Working on Ubuntu 19.04, only 64bit seems to work.

Shmerl 3 Sep, 2019

Never tried it. Now after switching to Navi card, I'll wait with ACO testing until it will catch up with support.

Here are some of my benchmarks using ACO. No graphics corruption was observed during benchmarking.

Radeon RX 580 in 2020 - 4K and 1800p gaming benchmarks

Radeon RX 550 in 2020 - 1080p and 900p gaming benchmarks

Last edited by Laboratoryo_ni_Neil on 22 March 2020 at 3:40 am UTC

MayeulC 22 Mar

Quoting: ShmerlACO is again ahead for TW3 (built latest master branch):
Spoiler, click me

radv/llvm:


radv/aco

Colors seems to be more saturated with AC0 in these screenshots. Unsure if that's a screenshot artifact? (I also wanted to compare quality, but jpeg makes that difficult, and there seems to be TAA or motion blur at play?)

Shmerl 22 Mar

I don't notice any color difference in the actual tests.

Last edited by Shmerl on 22 March 2020 at 8:01 pm UTC

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