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

Cédric PAILLE cedricpaille at gmail.com
Wed Nov 12 18:06:49 CET 2014


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.


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