[PD] Gem: can't load library

Hans-Christoph Steiner hans at eds.org
Tue Dec 5 21:36:50 CET 2006


On Dec 5, 2006, at 3:12 AM, IOhannes m zmoelnig wrote:

> chris clepper wrote:
>> On 12/4/06, *Hans-Christoph Steiner* <hans at eds.org
>> <mailto:hans at eds.org>> wrote:
>>
>>
>>
>>     Yup, Gem loads and so does [gemwin].  An ATI from 1998  
>> supports some
>>     NVidia extensions that a current ATI does not support, crazy...
>>
>>
>> I don't think that is the case.  That ATI part does not support the
>> OpenGL functionality in question at all whether through the NV or ARB
>> extension.  No properly functioning ATI driver would have that  
>> extension
>> in it.
>>
>
> i am pretty sure that the gfx-card on the autobuild machine does NOT
> support the nvidia extensions (natively).
> however, i am also pretty sure, that these machiens are using the  
> mesaGL
> implementation which (being a software renderer) can provide pretty  
> any
> extension (it knows about).
> it would provide the nvidia-extensions (in software, like everything
> else) even for an old vesa card or whatever.
>
> so configure correctly detects that glDeleteProgramsNV() is  
> supported on
> the autobuild machine. period.
>
> now, why is it not supported on some machines? probably because of  
> older
> versions of mesaGL which do not yet support the nvidia-extensions.

This is what is on the Ubuntu machine in the auto-build farm that  
compiled the Ubuntu build that started this thread:

ii  libgl1-mesa      6.4.1-0ubuntu8   A free implementation of the  
OpenGL
ii  libgl1-mesa-dev  6.4.1-0ubuntu8   A free implementation of the  
OpenGL
ii  libgl1-mesa-dri  6.4.1-0ubuntu8   A free implementation of the  
OpenGL
ii  libglu1-mesa     6.4.1-0ubuntu8   The OpenGL utility library (GLU)
ii  libglu1-mesa-dev 6.4.1-0ubuntu8   The OpenGL utility library --  
devel
ii  mesa-common-dev  6.4.1-0ubuntu8   Developer documentation for Mesa
ii  mesa-utils       6.3.2-0ubuntu6   Miscellaneous Mesa GL utilities

This is what is on the Ubuntu machine that had the problem running it:

ii  libgl1-mesa-dev  6.5.1~20060817-0 A free implementation of the  
OpenGL
ii  libgl1-mesa-dri  6.5.1~20060817-0 A free implementation of the  
OpenGL
ii  libgl1-mesa-glx  6.5.1~20060817-0 A free implementation of the  
OpenGL
ii  libglu1-mesa     6.5.1~20060817-0 The OpenGL utility library (GLU)
ii  libglu1-mesa-dev 6.5.1~20060817-0 The OpenGL utility library --  
devel
ii  mesa-common-dev  6.5.1~20060817-0 Developer documentation for Mesa
ii  mesa-utils       6.3.2-1ubuntu1   Miscellaneous Mesa GL utilities

So you are saying that they removed NV compatibility from in mesa  
when going from 6.4 to 6.5?

.hc

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