The original shader-baker project was written in C# and WPF. The authors, @drbassett and @dboone, selected WPF because they thought it would be awesome. For certain things, WPF was indeed awesome.

Software Foundation; either version 2 of the License, or (at your option) any later version. based on pixel brightness is applied along with a monochrome aperture mask. This shader runs at ~60fps on ...