title: Concave polygon drawing
body: <p>For drawing complex concave polygons with OpenGL, is it better to tesselate it into triangles, or use the <a href="http://glprogramming.com/red/chapter14.html#name13" rel="nofollow noreferrer">stencil buffer</a>? I'm guessing the stencil buffer would be faster for a single frame, but triangulation would be better for multiple frames if the polygon doesn't change. However, I haven't actually tried it, so I don't know.</p>