Now that I've got the hang of quickly drawing lots of shapes with shader instancing , what should I draw? All that geometric repetition got me thinking about the artwork of M. C. Escher , which led me to this page about regular and semi-regular tessellation...

I haven't written anything about PIX in a while . But here's a great article written by Brian Richardson at GarageGames about using PIX to track down a rendering issue. Nice job, Brian! You can find the latest version of PIX in the March 2008 DirectX...

A lot of my XNA -based programs draw many instances of the same mesh (such as RoundLines ), with each instance having different position, rotation, etc. I had been submitting these meshes to Direct3D one instance at a time, which is not great for performance...