Thank you for sharing this! Particulary the links at the end of the page, the shaders proposed at https://www.shadertoy.com are easy to transpose for Gem, attached is an experiment with the fireball shader.
Colet Patrice
----- Mail original -----
De: "Benjamin ~ 01xy" benjah@free.fr À: "Pd List" pd-list@iem.at Envoyé: Mardi 10 Septembre 2013 17:12:03 Objet: Re: [PD] FW: GEM noobie: I don't understand this glsl thing... but I need it!
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@petervenus.de To: pd-list@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@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
Bookhttp://www.amazon.com/OpenGL-Shading-Language-3rd-Edition/dp/0321637631
On Sep 9, 2013, at 5:01 PM, pd-list-request@iem.at wrote:
*From: *David Schaffer schafferdavid@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@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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