Well yes and no. The 'problem' is most of this code isn't implemented yet...
Try Olivers large patch and see if things are any better, or wait a while while a whole load of code gets into cvs. Basically d3d9 shouldn't have any of the code relating to the stencil buffers - that will be in wine3d. I am pretty certain Olivers patch did that, and he is working on splitting it up to get cvs in sync with his local tree.
Jason