[PD] Gem server and client solution

Csaba Láng langcsaba at gmail.com
Tue Apr 28 10:28:18 CEST 2015


Gents,

what about a six thunderbolt output mac pro connected with 6 dualhead2go
arranged in a 4x3 video matrix? Could it do the performance of 3d computing?

Just an idea.

P

On Mon, Apr 27, 2015 at 7:41 PM, Csaba Láng <langcsaba at gmail.com> wrote:

> Gents,
>
> thanks for the ideas. Of course the topic is still opened, I just have to
> make some researches to find the best solutions.
> Any news idea are more than welcome. And of course I will keep everyone
> updated.
>
> Will be back soon:
>
> Popesz
>
> On Mon, Apr 27, 2015 at 6:43 PM, Antoine Villeret <
> antoine.villeret at gmail.com> wrote:
>
>> one other solution which comes to my mind is VirtualGL [1]
>> I use it to display OpenGL content on remote computer.
>> It sounds like what Csaba tries to do, but I don't know it's resolution
>> limitation.
>>
>>
>> [1] : http://www.virtualgl.org/
>>
>> Le lun. 27 avr. 2015 à 18:31, Cyrille Henry <ch at chnry.net> a écrit :
>>
>>> well,
>>> the aim is not to render the image on the server and distribute part on
>>> the client, but to distribute the openGL rendering on the many client.
>>>
>>> maybe somthing like chromium could help :
>>> http://chromium.sourceforge.net/
>>> but i never tried it, I have no idea of how texture sharing, or multi
>>> pass rendering can be created with this kind of system.
>>>
>>> An other solution is to render exactlly le same pacth on every client.
>>> the only diference is a "camera" message to the gemwin.
>>>
>>>
>>> cheers
>>> c
>>>
>>> Le 27/04/2015 18:09, Antoine Villeret a écrit :
>>> > yes it is, BUT the bottleneck will be the -- as often -- the readback.
>>> > Once you create a 7680x3240px texture you need to read it back from
>>> the GPU to the host memory to send it to other.
>>> > There are several ways to do that and without GPU texture compression
>>> I'm pretty sure you can't achieve more than 1 fps at this resolution even
>>> with the more expensive graphic card you can use gem with.
>>> > Concerning hardware texture compression, you may be interested in HAP
>>> codec (though I don't know if live encoding is available) and nvenc
>>> technology.
>>> > I think there is an embryonal external for the former but don't know
>>> any work in Pd with the latter.
>>> >
>>> > so yes it is possible (like everything) but it's a huge challenge and
>>> I'll be happy to read how you achieve it :-)
>>> >
>>> > +
>>> > a
>>> >
>>> > --
>>> > do it yourself
>>> > http://antoine.villeret.free.fr
>>> >
>>> > 2015-04-27 17:28 GMT+02:00 Csaba Láng <langcsaba at gmail.com <mailto:
>>> langcsaba at gmail.com>>:
>>> >
>>> >     Dear list,
>>> >
>>> >     is it possible to create a media server with Gem, so I can create
>>> on the server a resolution of [dimen 7680x3240(, and through network send
>>> to each client one part of the Gem window, so I can have a resolution on a
>>> 4x3 matrix video wall with fullHD for each display.
>>> >
>>> >     Thanks in advance!
>>> >
>>> >     Popesz
>>> >
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