Viewing topic The Talos Principle: vulkan version doesn't work

Title: The Talos Principle: vulkan version doesn't work

donbastiano 28 Nov 2018

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Hi, when I chose the vulkan API the game crashes with the message "Fatal error: Cannot set display mode". I searched but have not found a solution. The relevant part of the log says:

18:48:59 TRC:  Cannot get values for cvar d3d_bTripleBuffering. The variable is not declared.

18:49:08 LOG:  Clearing fullscreen flag on the window.

18:49:08 LOG:  Trying to set display mode 1920x1080(fullscreen)...

18:49:08 LOG:  Loaded "libGL.so.1".

18:49:08 LOG:  Loaded "/Steam/steamapps/common/The Talos Principle/Bin/GfxVLK.so".

18:49:08 LOG:  Setting fullscreen flag on the window.

18:49:08 LOG:  Created thread 40DB2FAD(VLKResourceReleasing).

18:49:08 LOG:  Loaded "libvulkan.so.1".

18:49:08 ERR:  Cannot set requested display mode 1920x1080: GfxAPI error: 

18:49:08 ERR:  Vulkan error: "VK_KHR_surface" instance extension missing!

18:49:08 ERR:  

18:49:08 INF:  (display mode already stopped)

18:49:08 INF:  Trying fallback modes...

18:49:08 LOG:  Trying to set display mode 1920x1080(fullscreen)...

18:49:08 LOG:  Loaded "libGL.so.1".

But the the extension is present

vulkaninfo | grep VK_KHR_surface

WARNING: radv is not a conformant vulkan implementation, testing use only.

	VK_KHR_surface                      : extension revision 25

Vulkan Instance Version: 1.1.70

Any idea? I want to see if with vulkan the framerate is a little more "stable"

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Liam Dawe 28 Nov 2018

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What version of Mesa are you using?

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donbastiano 29 Nov 2018

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I'm on Ubuntu 18.04.1 LTS so maybe my Mesa is a little outdated...
OpenGL core profile version string: 4.5 (Core Profile) Mesa 18.0.5
and so the kernel, 4.15.0-39-generic. RX 570 also here :)
If there isn't a workaround, I think I'll wait for 18.04.2 that is scheduled for February. I played for around 1 hour and the game wasn't smooth with many framedrops; maybe I'm wrong, but I expect that with vulkan could be a better experience.

Thank you

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Liam Dawe 30 Nov 2018

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Yeah I would absolutely try a newer version of Mesa. Have you thought about trying a PPA that has a newer version? PPAs can be reasonably easily reverted if you're not happy with the result.

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tuxintuxedo 30 Nov 2018

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I am sure a few Vulkan parts are missing from that Mesa version. I actually use the Padoka stable PPA, though haven't tried Talos with Vulkan.

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donbastiano 30 Nov 2018

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I'm more for official solutions but maybe some PPA are used enough to be trusted and stable, also if maybe they are more tested with newer kernel. I have to see which one is more suitable, I just know the Padoka and Oibaf and have to see their difference.
I had some problem in the past but maybe at that time I had also fglrx, it is much better the situation now :)
Thank you again

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sr_ls_boy 1 Dec 2018

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Mesa version 18.2.6 isn't that much better. I don't know what happened but RADV has a problem with this title.

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donbastiano 1 Dec 2018

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I tried the Padoka stable but still the same problem... me! The game started properly (using OpenGL), then in the menu game I selected the Vulkan API and it auto-restart and crashes BUT I just noticed that when you launch the game it appears a menu where you can select the "normal" or the 64bit version :whistle: So, solved with the 64bit version, I apologize.

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