nanogui: Shared memory + SDL
Subject:
RE: Shared memory + SDL
From:
####@####.####
Date:
25 Feb 2000 09:23:29 -0000
Message-Id: <20000225091252.28328.qmail@nameplanet.com>
On Wed, 23 Feb 2000 16:42:59 -0700 Greg Haerr ####@####.#### wrote:
>:
>:It applies to anything that maintains an off screen buffer. With shared
>:memory support, you can just blit the buffer directly onto
>:screen, without
>:it, you'll end up calling GrArea(), which will serialize the data over
>:a Unix domain socket, and the Nano-X server will buffer it in a server
>:side memory area, and then copy it onto screen.
>:
>
>No - this will only work if the application has unobstructed
>access (that is, no overlapping windows) on the screen.
Why? GdBlit() does full clipping, doesn't it? So I can't see why
you shouldn't be able to use GdBlit() to blit from a shared memory
off screen device and directly onto screen.
Vidar.
--
Get your firstname@lastname email for FREE at http://NamePlanet.com
