Neither of these drivers does anything on-GPU, so, no.

diff -up mesa-20130508/src/gallium/targets/Makefile.am.jx mesa-20130508/src/gallium/targets/Makefile.am

--- mesa-20130508/src/gallium/targets/Makefile.am.jx	2013-05-08 13:23:41.000000000 -0400

+++ mesa-20130508/src/gallium/targets/Makefile.am	2013-05-08 14:59:50.897835932 -0400

@@ -78,10 +78,6 @@ endif

 if HAVE_ST_XVMC

 SUBDIRS += xvmc-r300

 endif

-

-if HAVE_ST_VDPAU

-SUBDIRS += vdpau-r300

-endif

 endif

 if HAVE_GALLIUM_R600

@@ -142,10 +138,6 @@ endif

 if HAVE_ST_XVMC

 SUBDIRS += xvmc-softpipe

 endif

-

-if HAVE_ST_VDPAU

-SUBDIRS += vdpau-softpipe

-endif

 endif

 if NEED_GALLIUM_LOADER