On Thursday 20 Oct 2011 17:40:13 Vishnupradeep wrote:

> Calculating dependencies... done!
> [ebuild   R    ] media-libs/mesa-7.11  USE="classic egl gallium llvm nptl
> shared-glapi -bindist -debug -gbm -gles -motif -openvg -pax_kernel -pic
> (-selinux) -shared-dricore" VIDEO_CARDS="-intel* -mach64* -mga* -nouveau*
> -r128* -radeon* -savage* -sis* -tdfx* -via* -vmware*" 0 kB

You do not seem to have defined your video card in /etc/make.conf (or indeed
enabled the vmware USE flag).

I suggest you study this first:

http://www.gentoo.org/doc/en/xorg-config.xml

PS.  3d effects may still not work if your card is old or poorly catered for by
existing xorg drivers.

--
Regards,
Mick