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huelter
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PostPosted: Sat Oct 17, 2015 7:02 pm    Post subject: glxinfo not reporting correct opengl version? Reply with quote

I`ve got a 660ti, running unstable amd64.

Code:
OpenGL vendor string: nouveau
OpenGL renderer string: Gallium 0.4 on NVE4
OpenGL version string: 2.1 Mesa 11.0.3
OpenGL shading language version string: 1.30
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 2.0 Mesa 11.0.3
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 1.0.16
OpenGL ES profile extensions:


Any ideas to why isn't glxinfo reporting OpenGL 4.1?
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Roman_Gruber
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PostPosted: Sat Oct 17, 2015 11:07 pm    Post subject: Reply with quote

I have a 660m GTX. No idea which type your card is.

Code:
ASUS-G75VW roman # glxinfo |grep OpenGL
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce GTX 660M/PCIe/SSE2
OpenGL core profile version string: 4.4.0 NVIDIA 355.11
OpenGL core profile shading language version string: 4.40 NVIDIA via Cg compiler
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 4.5.0 NVIDIA 355.11
OpenGL shading language version string: 4.50 NVIDIA
OpenGL context flags: (none)
OpenGL profile mask: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.1 NVIDIA 355.11
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.10
OpenGL ES profile extensions:
ASUS-G75VW roman # qlist -Iv nvidia
dev-util/nvidia-cuda-toolkit-7.5.18-r1
media-video/nvidia-settings-355.11
x11-drivers/nvidia-drivers-355.11-r2


The binary nvidia-drivers support opengl inversion 4, see above.

--

regarding why it only uses 2.1 => check your components / the code / the pages of those project and check also which type of your card is.

You are using hte opensource drivers. Basically you have to check if it is supported and if you use the latest parts for the open source stuff. the closed source drivers may be a better choice.

Quote:
http://nouveau.freedesktop.org/wiki/


Quote:
Jul, 2015: Fermi and newer expose OpenGL 4.1 in Mesa 11.


I do not know if your card is fermi and newer or not.

--

also check if your hardware is even capable of that opengl stuff. (nvidia homepage)

http://nouveau.freedesktop.org/wiki/CodeNames/
http://nouveau.freedesktop.org/wiki/FeatureMatrix/

--

When I understood it right your card shoud be capable with open and closed source drivers.
http://nouveau.freedesktop.org/wiki/InstallNouveau/
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huelter
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PostPosted: Sun Oct 18, 2015 2:25 am    Post subject: Reply with quote

660ti is a Kepler card. I`ve got a Fedora installation running mesa-git, and its advertised OpenGL core profile is 4.1 as expected.

Just don't know why glxinfo is not reporting the core profile...
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Roman_Gruber
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PostPosted: Sun Oct 18, 2015 11:27 am    Post subject: Reply with quote

CHeck your config files / kernel / xorgserver parts (xorg / mesa / useflags) something else. thats why i gave you the hint with the installing guide.

you may also check the kernel config and modules of the other linux distro, how they did it.
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huelter
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PostPosted: Mon Oct 19, 2015 1:48 am    Post subject: Reply with quote

Solved: USE="-bindist" is required.
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