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List:       freedesktop-xorg
Subject:    Re: Newbie Question: How to extend the i810 driver
From:       Vlad <vladc6 () yahoo ! com>
Date:       2007-09-24 6:37:43
Message-ID: 647777.46706.qm () web54410 ! mail ! yahoo ! com
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Joseph Adams wrote:

> I'm a newbie to driver development (of any kind) and 
> I'm wondering where a good place to start learning 
> driver development would be. Specifically, I want to
> improve (or help someone improve) the i810 driver so
> the performance of an Intel 82845G/GL (my graphics
> chipset) on Linux is more on par to Windows.  I really
> think the reduced framerate of many 3D games on Linux
> using this card is due to lack of support for many 3D
> primitive drawing functions available in the chipset.
>  I just don't have a clue where to get documentation for
> the 82845G/GL or how the heck people "hack up" graphics
> drivers.  I know this is a broad question, I just want
> to know a good starting point (beyond downloading and
> building the source code).  Thanks!
>
> P.S.  This is my first post to a mailing list, so
> please don't be offended if I don't notice the response
> to my question soon after it is posted (but I'll try to
> look for it).


Hi,

I don't know if you'd be interested in this idea, but it would be nice
to merge the i810 TV-out code [1] from the NV-TV-Out project into
X.org's Intel driver [2]. The latter only supports chipsets 915GM and
higher, while the former supports a lot of earlier chipsets as well.

[1]
http://nv-tv-out.cvs.sourceforge.net/nv-tv-out/nvtv/src/
    back_i810.c
    back_i810.h
    data_i810.c
    data_i810.h
    gui_i810.c
    gui_i810.h
    i810_type.h
    tv_i810.c
    tv_i810.h

[2]
http://gitweb.freedesktop.org/?p=xorg/driver/xf86-video-intel.git;a=summary

-Vlad


       
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