Am Sonntag, 24. Oktober 2004 20:10 schrieb Bernardo Innocenti:
CC trimmed.
> Dieter Nützel wrote:
> >>Thank you for doing this work. We really need to get the open-source
> >>ATI driver on par with the propretary driver (both feature-wise and
> >>performance-wise).
> >
> > But sadly we will NEVER match it.
> >
> > NO SmoothVision, HyperZ docu ever....
>
> Do you really need the datasheet to get these to work? Some
> time ago I disassembled ATI's fglrx kernel module and their
> DRI module.
>
> The asm output looks quite readable: you can see symbol names
> and accesses to PCI registers (base ptr + offset).
A "bad" original for DRI;-)
> I'm not familiar with 3D hardware, but my rough guess is that
> you could easily guess what the registers if you know what the
> GL extensions are supposed to do and see what values are
> written in registers.
Some are on it for ages, but.
> IANAL, but reverse engineering is perfectly legal here in Europe
> and probably even in the USA if your goal is achieving
> compatibility.
If we didn't get another IP right ("software patents", which we didn't have
today, even if the EPÜ/EPC did it falsely the US-way) in Europe.
BTW
Which is the official Italian standpoint.
European Commision Draft or Parliament (later is against)?
> >>Even though I just have a Radeon 9200, I'm very excited about the
> >>ongoning R300 effort and with there was a similar project for NVidia
> >>cards too.
> >
> > Above applies here, too. - Sorry.
> >
> > The situation seems to be much worse in the future.
> > Bad IP (TRIPS, etc.) madness due to USA-"law".
>
> This is certaily bad, but not as bad as being unable to develop
> the driver at all. You may implement patented algorithms and
> restrict its use in some countries.
>
> I can freely use the S3TC extension here because it's not (yet)
> patentable.
Yes, but IS falsely by the EPÜ/EPC...
...and "solved" with Roland's work;-)
> Any US developer could write it and even compile it,
> as long as he doesn't sell it in his country.
Somewhat to simple I think.
Greetings,
Dieter
PS Fight for the European Parliament's draft!
PPS We had Thursday some very good results in our parlament.
http://www.heise.de/newsticker/meldung/52417
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