[openbeos] Re: OpenGL Kit for R1? (fwd)

En réponse à Philippe Houdoin <philippe.houdoin@xxxxxxx>:

> Isaac asked:
> > Who (ie which process) is responsible for uploading the 
> > card-specific OpenGL driver?  (or software driver, if there 
> > is no HW support) is it app_server?
> 
> I'm not sure having understand your question, but right now 
> I've updated the Mesa 4.0.3 BeOS driver, which is a software-only
> at the moment. That means that it use app_server yes: BBitmaps are 
> used in double-buffered mode and drawn by app_server, and 
> in single buffer mode it'll use the BDirectWindow mode (direct access 
> to videa frame buffer). I'm currently working on 
> BDirectWindow support, btw.
> 
> For future 3D HW support, I guess that we'll need to interact more 
> stronger with app_server, yes, at least because he's the one who 
> know what gfx driver is open()'ed, what accelerant add-on was loaded 
> for 2D support, etc.
> As most of 2D/3D gfx harware needs some locking mechanism do serialize
> 
> or (for best ones) synchronize the 2D hardware pipeline and 3D one(s),
> 
> these 2D and 3D *accelerants* add-ons can't do theirs jobs totally 
> by themselves.
> 
> I've started to overlook the DRI drivers design, to see what (if any)
> could 
> be ported to OBOS. Time will tell...
> 
Hmm, kay,
but now we have the source :) (of app_server that is =)

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