On 11/11/06, Hans-Christoph Steiner <hans@eds.org> wrote:

So it would be useful if it was possible to be able to launch Gem
windows straight to the framebuffer without X11 even.  Perhaps that's
a pipe dream...

OpenGL on Linux requires X11.  GL performance is largely dependent on the driver used, and, if this hasn't been drilled into everyone's head yet, Nvidia's binary drivers are strongly recommended.  I think they even have Linux drivers for the new 8800 monster out.