[PD] FW: GEM noobie: I don't understand this glsl thing... but I need it!

[Benjamin ~ 01xy]

Hello,

oops, initialy not replied to the list ...

We have a modest wiki page in french about Pd vs glsl, some ressources
there as well http://wiki.labomedia.org/index.php/Pure_Data_vs_OpenGL

++benjamin

Le 10/09/2013 13:02, Cyrille Henry a écrit :
> the glsl exemples are in a specific folder in gem/exemple.
> it's not very documented, but you'll have some basic shader.
> it's a good place to start.
> c
>
>
> Le 10/09/2013 12:43, David Schaffer a écrit :
>> Hi, and thank you for your answers,
>>
>> I know about extended view, I 've donwloaded it and used to build my
>> design. The idea for me is now to get a better understanding of the
>> glsl chain, because it seems to be the place where all the magic
>> happens. I thought I could find more examples of glsl objects
>> implementations in pd, and some written code that I could try to
>> hack... any help appreciated.
>>
>> David
>>
>>
>> http://www.flickr.com/photos/schafferdavid/
>>
>> http://audioblog.arteradio.com/David_Schaffer/
>>
>>
>>
>>  > Date: Tue, 10 Sep 2013 09:27:17 +0200
>>  > From: news at petervenus.de
>>  > To: pd-list at iem.at
>>  > Subject: Re: [PD] GEM noobie: I don't understand this glsl
>> thing... but I need it!
>>  >
>>  > for ExtendedviewToolkit, there is a webpage [1]
>>  > and you can download the latest via github [2]
>>  >
>>  > [1] extendedview.mur.at
>>  > [2] https://github.com/extendedview/extended_view_toolkit
>>  >
>>  > cheers, Peter
>>  >
>>  > Am 09.09.13 23:51, schrieb John Harrison:
>>  > > ExtendedViewToolkit does photo stitching. Maybe it does what you
>> want or
>>  > > can give you some ideas:
>>  > > http://puredata.info/Members/Weitsicht/extended-view-toolkit/
>>  > >
>>  > >
>>  > >
>>  > >
>>  > > On Mon, Sep 9, 2013 at 4:21 PM, Dan Wilcox
>> <danomatika at gmail.com> wrote:
>>  > >
>>  > >> glsl is the open gl shader language ... basically a simple
>> C-like language
>>  > >> for doing graphics stuff on the GPU, see
>>  > >> https://en.wikipedia.org/wiki/GLSL
>>  > >>
>>  > >> Also, see the OpenGL Orange
>> Book<http://www.amazon.com/OpenGL-Shading-Language-3rd-Edition/dp/0321637631>
>>  > >>
>>  > >> On Sep 9, 2013, at 5:01 PM, pd-list-request at iem.at wrote:
>>  > >>
>>  > >> *From: *David Schaffer <schafferdavid at hotmail.com>
>>  > >> *Subject: **[PD] GEM noobie: I don't understand this glsl
>> thing... but I
>>  > >> need it!*
>>  > >> *Date: *September 9, 2013 4:24:08 PM EDT
>>  > >> *To: *pd list <pd-list at iem.at>
>>  > >>
>>  > >>
>>  > >> Hi there,
>>  > >>
>>  > >> I'm in the process of writing my own photo
>>  > >> stitching/assembling abstraction but I'm having a lot of trouble
>>  > >> understanding what the glsl object do... I've been able to
>> implement an
>>  > >> edge blurring function by copy/pasting the glsl code from the
>>  > >> "panoramique.pd" patch and the "panoramique.vert" and
>> "panoramique.frag"
>>  > >> files to the right places, but it only blurs vertical edges.
>> Can anyone
>>  > >> tell me how I could blur horizontal edges too? and... what this
>> glsl thing
>>  > >> is all about. I'm no code expert, so please keep it
>> understandable (!)
>>  > >>
>>  > >> Thanks a lot,
>>  > >>
>>  > >> David
>>  > >>
>>  > >> http://www.flickr.com/photos/schafferdavid/
>>  > >> https://soundcloud.com/schafferdavid
>>  > >>
>>  > >>
>>  > >> --------
>>  > >> Dan Wilcox
>>  > >> @danomatika
>>  > >> danomatika.com
>>  > >> robotcowboy.com
>>  > >>
>>  > >>
>>  > >>
>>  > >>
>>  > >>
>>  > >>
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>>  > >>
>>  > >
>>  > >
>>  > >
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