opengl shows just black screen

[petr.2006]

The glxgears depends only on mesa. 
There is possibly mismatch in mesa dependencies.
I have: 

glxgears @8.1.0
mesa @8.0.5
xorg-glproto  @1.4.17
xorg-dri2proto @2.8
xorg-libXfixes @5.0.1
xorg-libXi @1.7.2
xorg-libXmu @1.1.2

Should I reinstall everything?
 
On 23. 5. 2014, at 23:44, Ian Wadham wrote:

> On 24/05/2014, at 5:22 AM, petr.2006 wrote:
>> after the last port selfupdate and port -u upgrade outdated
>> opengl no longer works for me.
>> I see just black screen when running glxgears
>> and my VTK scripts. 
>> What might be wrong? Thanks,
>> Petr
>> 
>> uname -a
>> Darwin petbook.local 11.4.2 Darwin Kernel Version 11.4.2: Thu Aug 23
>> 16:25:48 PDT 2012; root:xnu-1699.32.7~1/RELEASE_X86_64 x86_64
>> 
>> port version
>> Version: 2.2.1
> 
> With same versions and date as above and OS X 10.7.5 Lion, I installed
> glxgears and it worked fine.  So do Kubrick and KSudoku (3-D Roxdoku
> options), two Qt-KDE based programs that use OpenGL.
> 
> I have glxgears at 8.1.0_0 (binary) and KDE at 4.12.4.  My X11 server is
> XQuartz 2.6.5 (xorg-server 1.10.6).
> 
> Cheers, Ian W.
> 
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