Thanks for responding so soon.

I'm sorry, I agree that this code is kind of awful right now, but my priority now is to make it work. After that I'll look for optimizations. Besides, if you look...

Hello everybody.

So I'm doing a iOS application where I have volume information stored in a kind of 3D texture. To render it, I'm using OpenGL ES, and as it does not support 3D textures, I'm...