[Openicc] XICC specification draft (Xinerama vs. composite).

Chris Murphy lists at colorremedies.com
Tue Jun 28 15:04:50 EST 2005


On Jun 27, 2005, at 9:46 PM, Graeme Gill wrote:

>  I would imagine the texture lookup
> support in modern GPU's could be adapted to perform a general color
> conversion, but often there is a loss of smoothness in using CLUT
> based conversions, and I'm not sure what sort of performance hit
> would be involved.

Photoshop has been doing display compensation of sorts since version  
3, with respect to fully integrated CMYK images being displayed on an  
RGB screen. And RGB>RGB display compensation came with Photoshop 5.0.  
There was no perceptible performance impact, but Adobe was doing this  
on screen resolution data only (and what was going to actually be  
displayed), not on the full 200MB image data you had open. And this  
was on substantially less hardware than what we have today, and  
certainly without the GPU having anything to do with it.


Chris Murphy
Color Remedies (TM)
www.colorremedies.com/realworldcolor
---------------------------------------------------------
Co-author "Real World Color Management, 2nd Ed"
Published by PeachPit Press (ISBN 0-321-26722-2)




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