> Probably the only useful platform for such a
> beast would be windows or maybe darwin (everyone else has an 
> X server already,
> or else they don't have opengl).  People have put work into X 
> servers layered
> or mingled with windows, so darwin is perhaps the only 
> platform that could
> benefit from (2).  

I do see use for this for two reasons:
- having multiple Users and X-Servers running on a single
  video card output plug. This would mean having a hosting
  X11 system and multiple windows (i.e. vertically tiled)
  with X11-on-OpenGL application windows that will never
  interfere with each other.

- you can debug X11 and window manager frameworks (i.e. X11 
  new protocolls) on a single monitor down to the deepest 
  levels with gdb on the same monitor, or even with ddd 
  (those nice grafical debugger frontend).

I admit, its not a way to develop hardware drivers, but it
might be helpfull in tracking down software problems or
supplying people flexibility an choices in setup and another
level of security.

> Probably easier to write an X server ddx that targets the 
> darwin 2d apis and
> works in a similar way to the existing X-on-win32 products.
> 
> Keith

Letting X11 run on non Unix environements is a compareable
situation, its just a question for the details solution on
how to allow an X11 display driver module to route api calls
down to another OpenGL/Glut pair interface at the real X11(?)
driven hardware. Todays grafics adapters provide at least
some quake subset of OpenGL native to the OS, so X11 should 
then at least run on any todays grafics adapter if it has to.

Regards AlexS.

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