Intel cards does that automatically. For nVidia you need to check in global settings how much space is reserved for shaders. If it's off, your video card will not build and save any shaders. Increase it to 5gb.
Also make sure the game use the global settings in Program settings.
No idea how to do that on ATI cards, sorry.
Even with shader cache size unlimited it doesn't load any shaders when launching the game for me, which results in the game being very stuttery. Is there a way to manually enable shader compilation for the game?
