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Bug#812530: ITP: libglvnd -- Vendor-neutral OpenGL dispatch layer



On 01.12.2016 15:32, Luca Boccassi wrote:
> On Sun, 07 Feb 2016 17:33:44 +0000 Luca Boccassi <luca.boccassi@gmail.com> wrote:
>> Control: owner -1 tjaalton@debian.org
>>
>> On Mon, 2016-01-25 at 09:46 +0200, Timo Aaltonen wrote:
>>> 24.01.2016, 20:34, Luca Boccassi kirjoitti:
>>>> * Package name    : libglvnd
>>>>   Version         : 0~20160122
>>>>   Upstream Author : NVIDIA Corporation
>>>> * URL             : https://github.com/NVIDIA/libglvnd
>>>> * License         : MIT
>>>>   Programming Lang: C
>>>>   Description     : Vendor-neutral OpenGL dispatch layer
>>>>
>>>> libglvnd is a Vendor-neutral dispatch layer for arbitrating OpenGL API
>>>> calls between multiple vendors on a per-screen basis.
>>>> Currently, only the GLX window-system API and OpenGL are supported, but
>>>> in the future this library may support EGL and OpenGL ES as well.
>>>>
>>>>
>>>> I am one of the pkg-nvidia maintainers, and we would like to use this
>>>> ITP to start a discussion about packaging libglvnd with the maintainers
>>>> of Mesa, X and fglrx.
>>>>
>>>> As you might have read news about, NVIDIA has been working on an open
>>>> source (MIT-like license) vendor-neutral dispatch layer for OpenGL. They
>>>> have now declared it stable, and their proprietary graphics driver
>>>> started using it in version 361 [1].
>>>>
>>>> It has been reported that AMD is interested in supporting this library
>>>> too [2].
>>>>
>>>> Finally, following a discussion on the upstream Mesa mailing list [3],
>>>> it has been reported that work is in progress in Mesa too to support
>>>> this library [4].
>>>>
>>>> Our proposal would be to wait to upload this package until a version of
>>>> Mesa that can make use of it is released. Then, as a a possible example,
>>>> we could upload both to Debian experimental, and at the same time switch
>>>> the proprietary Nvidia drivers to use it, and see how it works. When
>>>> fglrx gets there too, we should then be able to stop using
>>>> glx-alternatives-* packages.
>>>>
>>>> My proposal for the packaging itself can be found on pkg-nvidia's git
>>>> [5]. Given upstream doesn't seem to do release tagging, I'm using the
>>>> 0~<LAST-COMMIT-DATE> format. I split each .so in an individual binary
>>>> and -dbg package, called *-glvnd[-dbg], plus a common libglvnd-dev.
>>>> Figuring out precisely the licensing was the fun part, as the code is a
>>>> mixture of Expat, MIT-like, BSD 1-clause and 3-clause, GPL3 and
>>>> GNU-permissive :-)
>>>>
>>>> Comments? Opinions? ACKs/NACKs?
>>>
>>> packaging available at
>>>
>>> git://git.debian.org/pkg-xorg/lib/libglvnd.git
>>>
>>> but since it hasn't been of any use there was no ITP filed, so thanks
>>> for that :)
>>>
>>> it's not final of course, tests fail and there are probably other issues
>>> too..
> 
> Hi Timo,
> 
> Any news on uploading this to Stretch?
> 
> I think upstream Mesa has some initial support merged:
> 
> https://lists.freedesktop.org/archives/mesa-dev/2016-May/116346.html
> https://cgit.freedesktop.org/mesa/mesa/tree/src/glx/glxglvnd.c

Yes, libglvnd had some packaging issues which I think are now solved in
git. I'll probably upload it to experimental soon.


-- 
t

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