Using the modifiers and enhancements to generate simple grass is incompatible with the LAYAR, and the polygon count of a small geometric patch of grass was about 70,000 triangles... just a bit over the 5,000 benchmark. So, using a technique from real-time rendering, textures are applied to planar arrays to create the illusion of 3D grass. This is a simplistic technique, but very difficult and with a steep learning curve. Fun times.