What is state-of-the-art for text rendering in OpenGL as of version 4.1? [closed]

Answer 1

The most widespread technique is still textured quads. However in 2005 LORIA developed something called vector textures, i.e. rendering vector graphics as textures on primitives. If one uses this to convert TrueType or OpenType fonts into a vector texture you get this:

http://alice.loria.fr/index.php/publications.html?Paper=VTM@2005