I tried googling and searching on stack but I didn\'t find anything :-(
( Mapping irregular shapes or other polygons (cartoons, sprites) to triangles in OpenGL ES )
What is your final choice? I recently tested 5 of the libs listed in below link: http://vterrain.org/Implementation/Libs/triangulate.html
But NONE of them is satisfying...
iphone-glu: (http://code.google.com/p/iphone-glu/)
Triangulte: (http://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml)
Triangulation: (http://www.cs.unc.edu/~dm/CODE/GEM/chapter.html)
poly2tri: (http://code.google.com/p/poly2tri/)
openglespolygon: (https://github.com/nroets/OpenGlEsPolygon)