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

[David Schaffer]

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/
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