Re: version string for OpenGL not correct?

andrew henry <[email protected]> Tue, 11 Aug 2015 19:41:47 +0200
Newsgroups	gmane.comp.video.mesa3d.user
Message-ID	<[email protected]>
thanks for the info.  I wondered if there would be a version override!
But it didnt work.  Trying as you suggested Steam seg faulted.

I added "env=" to the beginning:

$ env=MESA_GL_VERSION_OVERRIDE=3.3FC steam

And steam started but I still got the same error message about wrong
opengl version.


On 11/08/15 19:25, Benjamin Bellec wrote:
> I see.
> Given that the game is recent and seems to be an AAA game, I'm pretty
> sure it requires OpenGL core profile and not Compatibility (also called
> "Forward Compatible").
> So this is clearly and error from the game.
> 
> Hopefully Mesa has a mechanism to override the GL level it exposes.
> You can experiment this with this command :
> $ MESA_GL_VERSION_OVERRIDE=3.3FC glxinfo | grep "OpenGL version"
> 
> So try to launch Steam :
> $ MESA_GL_VERSION_OVERRIDE=3.3FC steam
> 
> More information here : http://www.mesa3d.org/envvars.html
> 
> 2015-08-11 19:07 GMT+02:00 andrew henry <[email protected]
> <mailto:[email protected]>>:
> 
>     On 11/08/15 18:55, Benjamin Bellec wrote:
>     > Hello,
>     >
>     > This is a recurrent mistake.
>     >
>     > glxinfo | grep "OpenGL version" gives you the level for the GL
>     > Compatibility profile. Mesa is currently limited to GL3.0 in
>     > Compatibility level and the developers don't plan to implement higher
>     > Compatibility level.
>     >
>     > What you are looking for is in fact the OpenGL Core profile, which you
>     > get with the command :
>     > glxinfo | grep -A 1 "OpenGL core profile version"
>     >
>     > Regards.
>     >
>     > --
>     > Benjamin
> 
>     Hi.
> 
>     I did see that core profile was set to 3.3, but my problem--that Dying
>     Light on Steam does not start--is that Dying Light is getting the string
>     for the compatibility version if what you say is true.
> 
>     glxinfo gives me this.  Look at the line that says
> 
>     "OpenGL version string: 3.0 Mesa 11.0.0-devel"
> 
> 
>     OpenGL vendor string: X.Org
>     OpenGL renderer string: Gallium 0.4 on AMD CAPE VERDE (DRM 2.42.0, LLVM
>     3.6.2)
>     OpenGL core profile version string: 3.3 (Core Profile) Mesa 11.0.0-devel
>     OpenGL core profile shading language version string: 3.30
>     OpenGL core profile context flags: (none)
>     OpenGL core profile profile mask: core profile
>     OpenGL core profile extensions:
>     OpenGL version string: 3.0 Mesa 11.0.0-devel
>     OpenGL shading language version string: 1.30
>     OpenGL context flags: (none)
>     OpenGL extensions:
>     OpenGL ES profile version string: OpenGL ES 3.0 Mesa 11.0.0-devel
>     OpenGL ES profile shading language version string: OpenGL ES GLSL ES
>     3.00
>     OpenGL ES profile extensions:
>     [andrew@blackbox ~]$ glxinfo | grep -A 1 "OpenGL core profile version"
>     OpenGL core profile version string: 3.3 (Core Profile) Mesa 11.0.0-devel
>     OpenGL core profile shading language version string: 3.30
> 
>     In the error message that Dying Light throws out, I can clearly tell
>     that it's getting the string to tell it what version I have from the
>     "compatibility level" and not the core profile string:
> 
>     http://ibin.co/2BnE5j6fUTX5
> 
>     Maybe this is a fault of the dying light devs rather than Mesa?
> 
> 
>

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