X on GL is already written and is part of the xserver project. This will run on the standalone OpenGL stack. Combine this with Cairo/Glitz and we have a graphics system that can compete with Windows Longhorn.
Why compete with vaporware (mostly)? If you really want to see a complete
modern graphics system, check out OS X. See the below screenshots for
one example.
http://tjhsst.edu/~kmoffett/2k4-1.png http://tjhsst.edu/~kmoffett/2k4-2.png
The rendered window from 2k4 has been distorted by the windowing system
post-processing using a mesh transform. It runs just as quickly this
way as it does full screen normally, at least as far as I can tell
while playing. :-D A truely well-performing graphics system should be
able to handle multiple applications processing to generate a single
output stream without effort. I also ran some informal and simple
end-user-style tests a while back where I rapidly switched between and
moved around the following windows (each distorted in the same way):
1) A UT2k4 window playing a demo
2) A couple translucent terminal windows continuously scrolling
text
3) A DVD player window playing The Matrix
4) A couple Quicktime player windows with movies runningThe best part was: ~60 FPS on everything, despite the distortions, translucency, rapid movement, DVD playing, etc. I hope that when the new linux graphics and Soft-RT stuff is done it will be able to achieve similar performance. If my coding skills were a little more up to snuff, I would try to help out, but as it is, I fear I'd just muddy the waters :-\.
Cheers, Kyle Moffett
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