Going through some of my old project screenshots...
Someone on the Ogre3D forum asked how to render a large city map with lots of street lights.
I made a shader that could do a huge number of lights for the cost of 9 lights, under certain constraints. Street lights tend to be spread apart, not a lot of overlap.
Pic1: test mesh with 64 random lights
Pic2: 4096 dynamic lights at 918fps
Pic3: car with headlights (a moving street light) driving on the map
