Re: [PyMOL] PyMOL doesn't start - weird problem with shaders

[Matteo T. <mat...@gm...>]

Solved it. Apparently something is seriously broken in the latest mesa
on MacPorts (8.0.5). Reverting to 8.0.4 fixes the problem.

Enjoy!

Matteo

2014-05-23 19:07 GMT+02:00 Matteo Tiberti <mat...@gm...>:
> Errata corrige: the actual ticket for the PyMOL bug is:
>
> https://trac.macports.org/ticket/43802
>
> Cheers,
>
> Matteo
>
> 2014-05-23 18:50 GMT+02:00 Matteo Tiberti <mat...@gm...>:
>> Hi Thomas,
>>
>> thanks a lot, good to know that it's not just me, I was getting mad
>> over this. I have opened a ticket at macports and put you in cc in
>> case you'd like to follow the issue (
>> https://trac.macports.org/ticket/42860 ).
>> Talking about macports, just for you and everybody on the list to
>> know, I have adapted the 1.6.0 patches to work for version 1.7.1 (
>> https://trac.macports.org/ticket/42860 ). I've been using this version
>> for few months now and looks fine to me, and may be helpful in case
>> anybody needs a more recent PyMOL on macports. Just don't update it
>> right now or everything will screw up :) let's hope this gets fixed
>> quickly.
>>
>> Thanks again for your help
>>
>> Matteo
>>
>> 2014-05-23 18:00 GMT+02:00 Thomas Holder <tho...@sc...>:
>>> Hi Matteo,
>>>
>>> I can confirm this. It only happens if I build PyMOL in the macports environment and it's not related to any recent changes to PyMOL. So I wonder what they screwed up in macports...
>>>
>>> Cheers,
>>>   Thomas
>>>
>>> On 22 May 2014, at 14:25, Matteo Tiberti <mat...@gm...> wrote:
>>>
>>>> Dear PyMOL users,
>>>> I'm trying to use PyMOL (open source version) 1.6.0 on Mac OSX
>>>> Mavericks, installed through MacPorts. The same happens with pymol
>>>> 1.7.1 as well.
>>>> Up to yesterday everything was working perfectly fine. As far as I can
>>>> remember nothing changed, but now when I run pymol I get this:
>>>>
>>>> http://pastebin.com/uFyvYQCz
>>>>
>>>> Detected OpenGL version 2.0 or greater. Shaders available.
>>>> CShaderPrg_New-Error: vertex shader compilation failed
>>>> name='default'; log follows.
>>>> infoLog=ERROR: 0:1: '' :  #version required and missing.
>>>> ERROR: 0:1: 'attribute' : syntax error syntax error
>>>>
>>>> I also tried this:
>>>> And then PyMOL crashes. I have then tried the following:
>>>>
>>>> - reinstalled PyMOL 1.6.0
>>>> - removed PyMOL 1.6.0 and installed 1.7.1
>>>> - updated the XQuartz X server to the latest version
>>>> - reinstalled the XQuartz X server to an older version
>>>> - wiped MacPorts and reinstalled PyMOL and its prerequisites from scratch
>>>> - installed the gfxCardStatus program and tried both using the
>>>> integrated gpu and the discrete one
>>>> - searched on the internet (of course :) )
>>>>
>>>> Any idea of where this problem might come from or how I could solve it?
>>>>
>>>> Thank you
>>>>
>>>> Matteo
>>>
>>> --
>>> Thomas Holder
>>> PyMOL Developer
>>> Schrödinger, Inc.
>>>