[maemo-developers] SGX library modifications?

[From: Kimmo Hämäläinen]

On Wed, 2010-03-31 at 17:28 +0200, ext Ahmed Ammar wrote:
> On Wed, 2010-03-31 at 18:18 +0300, Kimmo Hämäläinen wrote:
> > On Wed, 2010-03-31 at 15:16 +0200, ext Ahmed Ammar wrote:
> > > Hello,
> > > 
> > > While trying to compile xserver-xorg-video-fbdev_0.4.0-180+0m5.tar.gz I
> > > have come across missing definitions:
> > > 
> > > sgx_exa.c:79: error: ‘EURASIA_TAG_STRIDE_THRESHOLD’ undeclared (first
> > > use in this function)
> > > 
> > > After further digging and installing of the maemo5 SDK I found that
> > > these are provided by opengles-sgx-img-common-dev. And after chatting
> > > with Stskeeps on IRC I was informed that Nokia have actually modified
> > > the SGX libraries.
> > > 
> > > I would like to know how Nokia have managed to do so? Have they gotten
> > > the source for the drivers from ImgTec? Are they actually different to
> > > those available from TI? 
> > 
> > Yes, we had access to the source code, but mostly the modifications were
> > done by ImgTec developers.
> > 
> > > Would it be possible for someone to use your binaries outside the maemo
> > > project?
> > 
> > I guess if the SGX chip is the same (and you have compatible X parts).
> > 
> > > Also, could this be forward ported to newer libraries from TI/ImgTec? 
> > 
> > I'm sure all generic fixes were forward ported, but notice that the
> > driver in Fremantle is a bit old compared to the upstream.
> 
> Thanks for the quick response Kimmo,
> 
> So as I expected, any reason why ImgTec decided not to take this into
> their TI driver pack? 

Janusz, do you know/remember?

> I've currently got most things ported correctly using your xorg server.
> Just doing the big part of porting your kernel changes to 2.6.33.

Cool :)

-Kimmo

> Best Regards,