Ogre deferred terrain

I tweaked Ogre's terrain material manager to use terrain component with deferred shading. I had to look at Ogre::TerrainMaterialGeneratorA class in depth, and create my own. That was a bit of work, but I got almost everything working, here what I have for now:

GBuffer aldebo:

GBuffer Depth (and specular power):

GBuffer normals:

Final image:

 

I still have to implement terrain shadows with this deferred pipeline.