* GNU Make.
* A GPU capable of running GLSL fragment shaders,
process floating-point textures, and a few other things. If your machine
- is less than five years old _and you have the appropriate drivers_
- (don't complain to me if it doesn't work with Nouveau, please),
+ is less than five years old _and you have the appropriate drivers_,
you're home free.
* The [Eigen 3] and [Google Test] libraries. (The library itself
depends only on the former, but you probably want to run the unit tests.)
===============================================
Blur, diffusion, glow, lift/gamma/gain (color correction), mirror,
-mix (add two inputs), overlay (the Porter-Duff “atop” operation),
+mix (add two inputs), overlay (the Porter-Duff “over” operation),
scale (bilinear and Lanczos), sharpen (both by unsharp mask and by
Wiener filters), saturation (or desaturation), vignette, and white balance.