In OpenGL, the terrain looks as it should with EMT_DETAIL_MAP enabled. Whats up with that? Is there any workaround for this? Some screenies...
OpenGL Renderer with EMT_DETAIL_MAP

Direct3D Renderer with EMT_DETAIL_MAP

OpenGL Renderer without EMT_DETAIL_MAP

Direct3D Renderer without EMT_DETAIL_MAP

And, for reference, the terrain is an IAnimatedMeshSceneNode, if that matters.