Re: X11 and speed
Re: X11 and speed
- Subject: Re: X11 and speed
- From: Don MacQueen <email@hidden>
- Date: Thu, 26 Jun 2003 08:33:16 -0700
Question inserted below.
Thanks
-Don
At 4:52 PM -0700 6/25/03, Sean Ahern wrote:
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]
How about with XFree86/XDarwin and some other window manager (not quartz-wm)?
Instead of X11.app.
While the Linux version would look like:
[ YOUR PROGRAM ]
[ X SERVER ]
[ VIDEO HARDWARE ]
-Sean
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--
--------------------------------------
Don MacQueen
Environmental Protection Department
Lawrence Livermore National Laboratory
Livermore, CA, USA
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