I'm sorry, I can't agree with your response, maybe my question was too poorly specified, so here's another go at it:

1.
Per shader model (say we take sm5) design of driver must have a ton in...

Are there any books out there which seriously explain how an OGL driver works? (Even DX is ok)
This is a firstly a WHY(design) and secondly a HOW question.

I mean a read that explains in depth...

Thanks Alfonse.
Yes, using proper barrier.
Reread spec at copy, really just a massive blunder on my part, need to be more sober when coding:)

I am encountering some strange behaviour when working with atomic buffers.
If i'm only Writing to them while creating them with GL_DYNAMIC_DRAW and mapping them with GL_MAP_WRITE they work...

I'm implementing OIT /w linked lists and I have some really crazy artifacts. On some (majority) of the fragments i get exactly what is expect of this algorithm. On a few of them i'm getting some kind...