BPainters Layer Docker differs depending on which Renderer you use in Blender. If you are using the Cycles Renderer, the docker offers you other functionality than in Blender Internal Renderer.
The reason for the difference in features simply lies in cycles using nodes as foundation. This offers a lot of functionality which BPainter makes heavy use of in the background.Thats why the documenation will be split here. Everything works the same for BPainter, except the Layer Docker. Due to the different structure of both Renderer, BPainter makes different use of it.
Take a look at one of the articles below depending on which renderer you use.