Phoronix: KDE Desktop Won't Force You To Use LLVMpipe
While Canonical dropped Unity 2D in favour of using Unity and the Compiz window manager atop Gallium3D's software-accelerated LLVMpipe driver when no GPU hardware driver is available, and some distributions have done similar moves with the GNOME Shell on LLVMpipe, it doesn't look like the KDE desktop will be doing this risky move as any sanctioned default...