Re: X11 and speed
Re: X11 and speed
- Subject: Re: X11 and speed
- From: Sean Ahern <email@hidden>
- Date: Wed, 25 Jun 2003 16:52:00 -0700
Brett Carrington wrote:
> It shouldn't. Because in reality (ie. on Linux) the abstraction layer
> looks at such:
>
> [ YOUR PROGRAM ] [ YOUR PROGRAM ]
> [WINDOW MANAGER] [ quartz-wm ]
> [X WINDOWS SERVER] [ X11.app ]
> [PROCESSOR] [PROCESSOR]
Well, not quite. First off, I'd replace "PROCESSOR" with "VIDEO HARDWARE"
since there are other layers there.
Then, on any X server, no matter what platform, the window manager does not
always act as an intermediary between your program and the X server. It only
gets involved during move and resize operations (mostly).
Third, X11.app does not talk directly to the video hardware if you're running
in normal mode. It has to go through Quartz first. So the Mac stack (heh)
would look like:
[ YOUR PROGRAM ]
[ X11.app ]
[ Quartz ]
[ VIDEO HARDWARE]
While the Linux version would look like:
[ YOUR PROGRAM ]
[ X SERVER ]
[ VIDEO HARDWARE ]
-Sean
__
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