[PD] pd~, 2 gemwin, vsync, nvidia, linux

cyrille henry ch at chnry.net
Sun Nov 14 15:19:22 CET 2010


hello,

i finally find a workaround, so i send it here for the archive.
in fact, the 1st gemwin have to be created, but there is no need to render it. so i just send bang to the gemhead / pix_image / pix_data to have the informations i wish.
the other gemwin still have the syncro.

Cyrille


Le 12/11/2010 15:18, cyrille henry a écrit :
> hello,
>
> thanks for the answer.
> i did never heard about driconf.
> so i tried it and it did not run because my libGL is to old...
>
> thanks
> Cyrille
>
>
> Le 12/11/2010 15:05, Martin Schied a écrit :
>> On 12.11.2010 14:49, cyrille henry wrote:
>>> hello,
>>>
>>> i'm using a gem patch inside a pd~, in order to separate a huge
>>> computation, and the rendering of this process. But since i need
>>> pix_image/pix_data in the 1st process, i have to open 2 gem windows.
>>> only the 2nd one is visible.
>>>
>>> i'm using export __GL_SYNC_DISPLAY_DEVICE=CRT-0 do have vsync on the
>>> external screen. (don't understand why nvidia-setting did not work any
>>> more for this)
>>>
>>> my problem is that only the 1 gem windows is sync to Vblank. but i
>>> need the 2nd to be synchronize.
>>>
>>> i could modify all my patch in order to have the rendering in the main
>>> pd patch and computation in pd~, but that would be a huge work.
>>>
>>> So i'm looking for a way to force sync to Vblank for all openGL
>>> windows. (nvidia setting use to work for this, but did not anymore).
>>>
>>>
>> hi!
>>
>> driconf has settings for vblank too. possibly its config file .drirc
>> already exists on your system, overriding any driver settings...? Just
>> guessing.
>>
>> Martin
>
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