[interfacekit] Re: [Fwd: Graphics Drivers]

I really dont think that the app_server does any drawing.  the drawing
functions I am guessing are in the app kit.  when you see the desktop thats
obviously the tracker.  I think the app_server is just the message deal
telling you when you should redraw a sertain area and stuff like that.  the
app_server might change video resolutions and refresh rate for you, but
thats maybe it.  I'm guessing all of this but drawing through messages
wouldnt be ideal (i think).  app_server is just a management thread, thats
all.  of course I'm mostly guessing all of this, but i'm getting it from all
of the discussions me and DW had.

-yt

----- Original Message -----
From: "Erik Jakowatz" <erik@xxxxxxxxxxxxxx>
To: <interfacekit@xxxxxxxxxxxxx>
Sent: Monday, September 10, 2001 7:31 PM
Subject: [interfacekit] [Fwd: Graphics Drivers]


>
> What I'd like to be doing is just using the existing drivers.  Of course
> that just cops out of the question "How do I use the existing drivers?",
> but I'm afraid I'm going to have to do that for the moment.  The online
> BeBook no longer has the section on writing graphics drivers --
> fortunately, I have the "Advanced Developers Guide" in dead tree format;
> I'll try to find some time to throw that into at least a text document.
>
> I was reading this section the other night and there is a specific entry
> function for graphics drivers that we would use to get at the frame
> buffer and any accelerated functions (not the same thing as the
> accelerant, I'm afraid).  You hand the function opcodes and data
> buffers.  I'll get the docs up ASAP and we'll go from there.
>
> In other news, I subscribed both you and Fred to the interface kit
> mailing list; you should be getting notifications, and this mail should
> be coming to you via that route anyway.  Yuri is already subscribed, and
> there is another guy who is interested in working with the team that may
> be joining us soon.
>
> I still haven't dug through all of my vacation mail; I'll try to get
> through it all tonight. =P
>
> e
>
> -------- Original Message --------
> Subject: Graphics Drivers
> Date: Mon, 10 Sep 2001 19:57:45 -0400
> From: DarkWyrm <bpmagic@xxxxxxxxxxxxxxx>
> Reply-To: DarkWyrm <bpmagic@xxxxxxxxxxxxxxx>
> To: erik@xxxxxxxxxxxxxx
> References: <999790877_PM_BeOS.mphipps1@xxxxxxxxxxxxxxxx>
>
> Erik,
>
>     I feel like I've been butting my head against a wall with a problem
> -
> I've never done driver work before, and I can't seem to figure out
> specifically what graphics-related stuff the app_server handles. From
> looking
> at some of the source docs, a graphics driver has both a kernel space
> section
> and a user space accelerant. What stuff are we going to need to do? I
> think I
> can actually plenty working if I can figure out how to draw the basic
> desktop!
>
> --DW
>

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