[Bf-committers] Multisample issue on Linux/X11/GLX

Sergey Sharybin sergey.vfx at gmail.com
Wed Nov 12 21:45:36 CET 2014


Thanks a good catch!

And actually, seems Campbell saw this email before me and was trying to fix
it.

On Wed, Nov 12, 2014 at 6:06 PM, Cédric PAILLE <cedricpaille at gmail.com>
wrote:

> Found !
>
> In GHOST_WindowX11.cpp, XCreateWindow(...) didn''t get the good XVisual
> (I've made one with glXChooseVisual(...), like in GHOST_ContextGLX.cpp) and
> it works.
>
>
> 2014-11-12 17:16 GMT+01:00 Cédric PAILLE <cedricpaille at gmail.com>:
>
> > Hi,
> >
> > I've no message in the terminal about multisample, but after some
> > researches, it seems that it's broken since GHOST has been re-factored
> > recently. I've an old version of Blender (2.69) that works correctly. I'm
> > trying to fix it, but it doesn't seem obvious...
> >
> > Cheers
> >
> > 2014-11-12 16:14 GMT+01:00 Sergey Sharybin <sergey.vfx at gmail.com>:
> >
> >> This is a video driver feature, which might be disabled by nvidia on
> some
> >> platforms (assuming you're using nvidia driver).
> >>
> >> Also, are there any messages regarding multisample in the console?
> >>
> >> P.S. There was a demo application in qt, which might be the fastest way
> to
> >> figure out if the issue is in blender itself or in video driver/X11/etc.
> >>
> >> On Wed, Nov 12, 2014 at 12:02 PM, Cédric PAILLE <cedricpaille at gmail.com
> >
> >> wrote:
> >>
> >> > Hi,
> >> >
> >> > I've spent a long time trying to resolve a problem with the 3D
> >> viewport's
> >> > multisample. I just can't get it to work on a CentOS 6.5 from sources
> >> (It's
> >> > working if I download the binaries from the Blender's website).
> >> > I've tried compiling with the latest GLEW library, with the internal
> >> GLEW,
> >> > with GHOST_SDL compilation flag, and it's always the same, multisample
> >> just
> >> > doesn't work. If I ask openGL for samples (using *glGetIntegerv*
> >> > (GL_SAMPLES,
> >> > samples) ) it always returns 0.
> >> >
> >> > Does anyone have an idea on how to debug this problem ?
> >> >
> >> > System : CentOS 6.5, Nvidia Quadro K2000 with latest drivers.
> >> >
> >> > --
> >> > Cédric PAILLE.
> >> > _______________________________________________
> >> > Bf-committers mailing list
> >> > Bf-committers at blender.org
> >> > http://lists.blender.org/mailman/listinfo/bf-committers
> >> >
> >>
> >>
> >>
> >> --
> >> With best regards, Sergey Sharybin
> >> _______________________________________________
> >> Bf-committers mailing list
> >> Bf-committers at blender.org
> >> http://lists.blender.org/mailman/listinfo/bf-committers
> >>
> >
> >
> >
> > --
> > Cédric PAILLE.
> >
>
>
>
> --
> Cédric PAILLE.
> _______________________________________________
> Bf-committers mailing list
> Bf-committers at blender.org
> http://lists.blender.org/mailman/listinfo/bf-committers
>



-- 
With best regards, Sergey Sharybin


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