r
On 02.01.2014, at 15:14, Nicolas Cellier <nicolas.cellier.aka.nice at gmail.com> wrote:

> 
> 2014/1/1 Tobias Pape <Das.Linux at gmx.de>
> 
> On 01.01.2014, at 19:55, commits at source.squeak.org wrote:
> 
> > Nicolas Cellier uploaded a new version of Graphics to project The Inbox:
> > http://source.squeak.org/inbox/Graphics-nice.285.mcz
> >
> > ==================== Summary ====================
> >
> > Name: Graphics-nice.285
> > Author: nice
> > Time: 1 January 2014, 8:53:32.416 pm
> > UUID: 04aee02d-83ae-4b4d-aed9-968a6a7487db
> > Ancestors: Graphics-nice.284
> >
> > Change Color implementation from 10 bits per (rgb) component to 8 bits per component.
> > Several considerations motivate this change:
> > - no Graphic output is using 10 bits;
> 
> Au contraire!
> http://lmgtfy.com/?q=10+bit+graphics
> https://nvidia.custhelp.com/app/answers/detail/a_id/3011/~/10-bit-per-color-support-on-nvidia-geforce-gpus
> http://www.luminous-landscape.com/reviews/accessories/10bit.shtml
> http://www.amd.com/us/Documents/10-Bit.pdf
> 
> Best
>         -Tobias
> 
> Thanks for the links Tobias, that's interesting.
> Well, no graphics output in Squeak was what I meaned.
> Squeak is far from being able to exploit those 10 bits, because it would require
> - BitBlt support with a new format (30 bits depth)
> - per device gamma correction
> It's also unclear for me how the alpha channel is represented/processed (pre-processed?)
> 
> Do you have plans for such support?
> 


No, it is just that the terms “graphics output 10bit” triggered something for me.
(It’s famous by Apple not providing it natively, some people say).
I am not against this change, but just wanted to lighten the webs around 10bit color.

Best
	-Tobias
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 1665 bytes
Desc: Message signed with OpenPGP using GPGMail
Url : http://lists.squeakfoundation.org/pipermail/squeak-dev/attachments/20140102/3997b00e/signature.pgp