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It's a real pity, because the current chapters are incredible. Patricio's gift of communication along with the artistic and creative aspects of the book really makes the learning process so much more inspiring. I hope he finishes the other chapters some day.

When I saw this here again I so wished it was because it now had more content.

It’s such a great intro to shaders. Please finish it!!!!

Indeed, it is a very valuable resource for beginners to jump into shaders, but for those that already know the basics there are several good books focusing on shading languages, and NVidia has a couple of free ones available on their site.

Even the outdated book about Cg language has good content regarding shading in general.

But if Patricio ever puts it in an actual book, I would gladly buy it.

I'm ok with him promoting his work, not sure why that's bad for you. It's a great resource for learning.