Bump maps on terrain?

Hey,

I have many high res terrain textures, but all of them use bump maps to create that nice hd effect.
How can I use those bump map textures when painting terrain?

for e.g. for grass texture i have texture of grass and bump map of that grass texture.

If I wanted to add it to a model, I'd simply do "Bumped diffuse" on material, but how do you do it when painting terrain?

Is it even possible?

Thanks

 

you can not.
the terrain shader does not support any bumpmaps.

There is a showcase thread with an SM 3.0 terrain shader, you would have to use that. But be aware that adding in more textures will also cost more performance.