From: James Simmons <jsimmons@edgeglobal.com>
  To  : ggi-develop@eskimo.com
  Date: Thu, 12 Aug 1999 21:01:01 -0400 (EDT)

Re: GGI and XFree86 and stuff

> > Can you describe (avoiding NDA-specific details) the advantages and best
> > uses of STREAMS?  
> 
> 	Sure, since Trio and Virge also have STREAMS.  The STREAMS is
> Savage4 is mostly the same.  STREAMS basically gives you another hardware
> viewport which can address its own linear framebuffer region and can be
> sized and positioned independently of the primary framebuffer stream.  It
> was originally designed for TV-in-a-window, but can be used generically. 
> The window can be scaled to any dimensions and the hardware will do
> scandoubling and/or linear interpolation.  One nice use of this is to
> display a VGA ModeX mode without having to use ModeX.  I plan to use
> STREAMS on Savage4 to implement GLX-in-a-window at some point....
>

Wow! I could use that to provide the windowing effect for /dev/gfx.
Are multiple viewports allowed? If they are how does the STREAMS processor
handle overlapping viewports?Wow! I could use that to provide the
windowing effect for /dev/gfx. Are multiple viewports allowed? If they are
how does the STREAMS processor handle overlapping viewports?