From: Andreas Beck <becka@rz.uni-duesseldorf.de>
  To  : mongoose@wpi.edu
  Date: Sat, 19 Jun 1999 01:53:24 +0200

Re: Async mode and double buffering

> Is there any point in using double buffering when using GGIFLAG_ASYNC mode to
> avoid tearing? Because when your drawing to the visual the visual will never
> update until you call a ggiFlush() right? 

No. This is only true on inherently asynchronous targets like X.

Inherently synchronous targets like fbdev or other dircetly HW-mapped stuff
will draw whenever they feel like it. ggiFlush only ensures that the drawn
stuff will appear "real soon" on the output device. It might already be
there.

CU, Andy

-- 
= Andreas Beck                    |  Email :  <andreas.beck@ggi-project.org> =