opengl - Up-to-date GLSL tutorial? -

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i've got reasonably shader doing hsl transformations, it's written in old-school glsl, , i've seen apparently lot of stuff deprecated in more recent versions of opengl. i've found kind of difficult locate information on how update shader code. opengl tutorials seem old-school gl techniques.

does know find tutorial on how write modern glsl? bonus points if explains how update older shader scripts.

i feel answer needs newer resource in case stumbles upon it.

https://web.archive.org/web/20150215073105/http://arcsynthesis.org/gltut/

not glsl introduction modern opengl beginning.

i think got #opengl on freenode.


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