All shader stages

tessGeom

The shader is a mixture of

hull and domain (tessellation)
https://gist.github.com/JohnnyBeluga/9bd5c13a2b37706852a5
+
geometry (extra polygons)
http://ellenack.com/2016/11/05/grass-geometry-shader/
+
geometry (wireframe)
https://unitycoder.com/blog/2016/11/28/wireframe-shader/

shaderstages

 

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