% GPU-y Stuff
%%%%%%%%%%%%%%%%%%%%%%%%
+% OpenGL 4.4 (core profile) spec.
+% The latest OpenGL spec.
+% See: http://www.opengl.org/registry/doc/glspec44.core.pdf
+@book{openglspec,
+ title={The OpenGL\textregistered Graphics System: A Specification},
+ author={Segal, Mark and Akely, Kurt and Leech, Jon},
+ year={2014},
+ publisher={The Kronos Group, Inc},
+ url={http://www.opengl.org/registry/doc/glspec44.core.pdf}
+}
+
% The valve paper on using signed distance fields, scaling them and then alpha testing
% them to have a smooth, defined boundary for "vector"-like effects.
% Also talks of using several channels in the image and running boolean operations on them