'OpenGL: Is aliasing a predictable and consistent phenomena?

This may be a weird question, but I need to know if the way OpenGL aliases the edges of drawn geometry (polygons, lines, etc) is "consistant", meaning it looks the same across different platforms/hardware.

Aliasing in this case is the sharp edges that "anti-aliasing" aims to remove. I want aliasing however, and would like to use it for animation techniques that need the aliasing effect to be pixel perfect (it's for sprite-type effects). Is this feasible, or is it impossible to predict how it'll alias across different computers?



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