wined3d: Fix does not clip transformed vertices in z-direction

[Henri Verbeet]

On 10 August 2011 17:35, Антон Ярцев <thunder_8888 at mail.ru> wrote:
> In some d3d9 2d-games, some sprites does not draws, or draws like thin line
> because game use transformation for primitives, and  z-coordinate(detected ~
> -700...+700 range) of vertices might be not in view volume as occurs.
I'm pretty sure I've mentioned this before, but this clearly needs
tests before you can even start thinking about a fix. As it is, the
patch is simply wrong, it causes several test failures.