-* 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_,
- 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.)
-* The [GLEW] library, for dealing with OpenGL extensions on various
+* A GPU capable of running OpenGL 3.0 or newer. GLES3 (for mobile devices)
+ will also work.
+* The [Eigen 3], [FFTW3] and [Google Test] libraries. (The library itself
+ does not depend on the latter, but you probably want to run the unit tests.)
+ If you also have the Google microbenchmark library, you can get some
+ benchmarks as well.
+* The [epoxy] library, for dealing with OpenGL extensions on various