[argyllcms] Re: widegamut LCDs and internal LUT

On Mon, Sep 22, 2008 at 12:34 PM, Stefan Döhla wrote:
> Hi Alexandre,
>
> so far I'm not aware of any progress being made on this topic. When the
> thread was up on the list, I blogged on this (
> http://colorhacks.blogspot.com/2008/02/monitors-with-internal-luts.html ).
> Basically, the tool ddccontrol could be used to read and write the monitor's
> LUTs - but for this the addresses and data format would be necessary.
> Probably it's very similar to the format of the video card LUTs, but that's
> just guessed.

Then, is there anybody around here using Linux and a display that has
its own LUT? :-)

> And to be more specific: I don't think you will have luck with Eizo displays
> here since they connect to the PC via USB.

Mmm? SX2461W actually has two DVI-I

> To point 2 I would like to add, that this would certainly be nice for xcalib
> (@Graeme: you probably would agree on this for dispwin as well ;) ) but so
> far it's unclear for me how to add this without a certain amount of DDC/CI
> support inside xcalib. Probably the first step would be to extedn ddccontrol
> and then see how easily this could be moved/copied to xcalib. And in
> addition to the work needed, it's unclear to me how general this really is:
> there's no single standard so far how to achieve this - in terms of how the
> information is stored inside an ICC profile and how the display is accessed.

My impression is that DDCcontrol is not actively maintained (latest
release of database if from October 2006).

Alexandre

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