[Mesa-users] Strangely low OpenGL

[Albert Freeman]

If you are having trouble with using an application that wants OpenGL
4.x then try faking it with mesa environment variables and hope that
the application does not use fp64 etc.

On 30 May 2016 at 05:55, Benjamin Bellec <b.bellec at gmail.com> wrote:
> Hi,
>
> The fact that the REDWOOD cards (your HD 5730M is a part of the REDWOOD
> family card) are OpenGL 4.4 compliant is not completely true. As you can see
> in the Wikiepedia table, the REDWOOD lacks Double Precision support (the red
> column), which is a mandatory feature to support the "ARB_gpu_shader_fp64"
> extension, as far as I know. This extension is part of OpenGL 4.0 so the
> REDWOOD cards are definitely stuck to OpenGL 3.3.
>
> Regards.
>
> --
> Benjamin
>
> 2016-05-29 14:38 GMT+02:00 Constantine <Hi-Angel at yandex.ru>:
>>
>> Hello! I have Radeon HD5730 supporting up to OpenGL 4.4. (
>>
>> https://en.wikipedia.org/wiki/List_of_AMD_graphics_processing_units#Mobility_Radeon_HD_5xxx_Series
>> ). Its driver is r600:
>>
>>         $ grep r600 /var/log/Xorg.0.log
>>         [    86.840] (II) RADEON(0): [DRI2]   DRI driver: r600
>>         [    86.840] (II) RADEON(0): [DRI2]   VDPAU driver: r600
>>         [    86.938] (II) AIGLX: Loaded and initialized r600
>>
>> According to news I saw and the https://mesamatrix.net/ , the driver fully
>> supports OpenGL 4.1. But why do I see OpenGL 3.3? I.e.:
>>
>>         $ glxinfo | grep version
>>         server glx version string: 1.4
>>         client glx version string: 1.4
>>         GLX version: 1.4
>>         OpenGL core profile version string: 3.3 (Core Profile) Mesa
>> 11.3.0-devel
>> (git-329d115 2016-05-26 trusty-oibaf-ppa)
>>         OpenGL core profile shading language version string: 3.30
>>         OpenGL version string: 3.0 Mesa 11.3.0-devel (git-329d115
>> 2016-05-26
>> trusty-oibaf-ppa)
>>         OpenGL shading language version string: 1.30
>>         OpenGL ES profile version string: OpenGL ES 3.0 Mesa 11.3.0-devel
>> (git-329d115 2016-05-26 trusty-oibaf-ppa)
>>         OpenGL ES profile shading language version string: OpenGL ES GLSL
>> ES 3.00
>>
>> OpenGL-4.1 were hit by r600 in December 2015, and the build I'm using —
>> you
>> can see the date — is 26 May 2016. Although the Mesa package I'm using is
>> neither from distro, nor compiled by me, I really doubt that compiling by
>> myself would change anything in this case (right?).
>>
>> _______________________________________________
>> mesa-users mailing list
>> mesa-users at lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/mesa-users
>
>
>
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