[PD] GEM on raspberry pi

[Epic Jefferson]

Hey Ali, I'm interested in trying out the udoo. After October I should have
some time to work on getting gem running on it. I think any advances on the
udoo should translate to the Pi and vice versa.


On Mon, Sep 9, 2013 at 10:02 AM, Ali Momeni <batchku at gmail.com> wrote:

> hello friends,
> i'm very keen to try GEM/openGL on a Udoo board (http://udoo.org) which
> DOES support OpenGL.
> if anyone is up for trying it i can provide you with a board to try on.
> should be a load of fun :)
>
> ali
>
>
> On Mon, Sep 9, 2013 at 9:24 AM, Dan Wilcox <danomatika at gmail.com> wrote:
>
>> I'm curious to know if this works as well.
>>
>> Judging from the short readme, do the following on the RPI commandline
>> (not tested).
>>
>> Long story short, you install git & cmake, then get the glshim source
>> from gihub and build it. After that, you need to add the path to the built
>> library files (.so) in the glshim folder so the system knows to look there
>> and load that GL instead of the main system GL in /usr/lib.
>>
>> The main issue with the RPI is that it doesn't support old school GL,
>> only GLES, so the intermediate mode commands etc don't work. glshim appears
>> to be a wrapper that adds the functionality on ES. It may be a little
>> slower, depending on how they've built it, but it should work ...
>>
>> #####
>>
>> cd ~/
>> mkdir src
>> cd src
>>
>> sudo apt-get install git-core cmake
>>
>> git clone https://github.com/lunixbochs/glshim.git
>> cd glshim
>> cmake . -DBCMHOST=1; make GL
>>
>> echo
>> "export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$HOME/src/glshim/src/libGL.so.1"
>> >> ~/.bash_profile
>>
>> #####
>>
>> ... now logout and login
>> try GEM
>>
>> If that doesn't work / has problems, then as the readme says, you might
>> need his patched version of glu, sooo:
>>
>> #####
>>
>> cd ~/src
>> git clone git at github.com:lunixbochs/glues.git
>> git checkout glu
>> cmake .
>> make
>>
>> #####
>>
>> Then edit the LD_LIBRARY_PATH in ~/.bash_profile and add the location of
>> the compiled glues (not sure, there's no info in either repo readme):
>>
>> #####
>>
>> leafpad ~/.bash_profile
>>
>> #####
>>
>> Find this line (was added earlier):
>>
>> export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$HOME/src/glshim/src/libGL.so.1
>>
>> and add a new search path to the glues lib location you just built to it.
>> As I said before, you'll have to find the .so lib files you built in the
>> glues folder to knwo which path to add:
>>
>>
>> export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$HOME/src/glshim/src/libGL.so.1:$HOME/src/glues/PATH/TO/LIB/SOS
>>
>> Good luck.
>>
>> On Sep 9, 2013, at 8:28 AM, pd-list-request at iem.at wrote:
>>
>> *From: *Richie Cyngler <glitchpop at gmail.com>
>>  *Subject: **Re: [PD] GEM on raspberry pi*
>> *Date: *September 9, 2013 6:20:28 AM EDT
>> *To: *dreamer <dreamer at puikheid.nl>
>>  *Cc: *pd-list <pd-list at iem.at>
>>
>>
>>  Thanks dreamer,
>>
>> I'll see if I can get that to work. Git confuses the hell out of me but
>> the install instructions look pretty clear. Have you tried this? If so does
>> GEM just work once glshim is installed?
>>
>> cheers
>>
>>
>> On Mon, Sep 9, 2013 at 4:16 PM, dreamer <dreamer at puikheid.nl> wrote:
>>
>>> Perhaps have a look at glshim: https://github.com/lunixbochs/glshim
>>>
>>> Not all GEM functions are working yet, but anyone porting to GL ES could
>>> start there.
>>>
>>
>>  --------
>> Dan Wilcox
>> @danomatika
>> danomatika.com
>> robotcowboy.com
>>
>>
>>
>>
>>
>>
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>
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-- 
www.epicjefferson.com
www.avmachinists.org Puerto Rico based Art Collective/ Non-Profit Org
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