Taken from openframeworks/openFrameworks#1190
Resolution Independent Curve Rendering using Programmable Graphics Hardware
http://research.microsoft.com/en-us/um/people/cloop/loopblinn05.pdf
Resolution independent GPU accelerated Curve & Font rendering GPU based Resolution Independent Font & Curve Rendering – initial Release
http://jausoft.com/blog/2011/04/01/resolution-independent-gpu-accelerated-curve-font-rendering/