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

[Campbell Barton]

Glad to hear that fixes the issue,
committed https://developer.blender.org/rB08974c22e45720bfdc6bba18502175cd3100511f

On Thu, Nov 13, 2014 at 2:02 PM, Cédric PAILLE <cedricpaille at gmail.com> wrote:
> Oh, just add :
> #include <X11/Xutil.h>
> in GHOST_WindowX11.h to avoid a compilation crash and it's OK.
>
> Cheers.
>
>
> 2014-11-13 13:50 GMT+01:00 Cédric PAILLE <cedricpaille at gmail.com>:
>
>> Hi Barton,
>>
>> It works perfectly !
>>
>> Thank you
>>
>> 2014-11-13 12:06 GMT+01:00 Campbell Barton <ideasman42 at gmail.com>:
>>
>>> Hi Cédric, could you check if this patch resolves the problem?
>>>
>>> https://developer.blender.org/D894
>>>
>>> On Wed, Nov 12, 2014 at 9:45 PM, Sergey Sharybin <sergey.vfx at gmail.com>
>>> wrote:
>>> > 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
>>> > _______________________________________________
>>> > Bf-committers mailing list
>>> > Bf-committers at blender.org
>>> > http://lists.blender.org/mailman/listinfo/bf-committers
>>>
>>>
>>>
>>> --
>>> - Campbell
>>> _______________________________________________
>>> 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



-- 
- Campbell