st/mesa: translate vertex shaders into TGSI when we get them
The translate functions is split into two: - translation to TGSI - creating the variant (TGSI transformations only) Reviewed-by:Dave Airlie <airlied@redhat.com> Reviewed-by:
Brian Paul <brianp@vmware.com> Tested-by:
Brian Paul <brianp@vmware.com>