[argyllcms] Re: Color management in Firefox

  • From: János, Tóth F. <janos666@xxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Tue, 24 Apr 2012 03:09:49 +0200

FF already supports GPU acceleration.

This can significantly speed up the processing.

For example, MPC-HC uses hardware volume textures to store the 3DLUT
and utilizes GPU shaders for the interpolation. It handles
1920x1080@60Hz videos without problems on almost every modern video
cards (even a decent  mobile VGA has a lot of power these days.)

And don't forget the ordered dithering through 2D textures and shaders...

2012/4/24, Graeme Gill <graeme@xxxxxxxxxxxxx>:
> Chris Lilley wrote:
>> Bug 693179 - Enabling ICC version 4 color management on Fx8+ causes
>> lagging video frames during video playback of embedded Flash videos.
>> https://bugzilla.mozilla.org/show_bug.cgi?id=693179
> Yes, it's not a trivial weekend project to implement color management well -
> a little effort
> is needed. One way that could happen is if someone decides that it's going
> to be a distinguishing
> feature, ie. aim for "If color is important, use FireFox" type of
> reputation, the
> sort of thing that Apple used to have but is rapidly loosing (ie. non-color
> managed
> iPods/iPhones & iPads).
> But if it's going to work across a wide range of systems and circumstances
> then
> it is a project, not a hack. The first smart move would be to stand on the
> shoulders
> of people who have done a lot of the hard work already, by using something
> like lcms,
> and concentrate on integrating well. There are certainly enough challenging
> problems
> to solve such as figuring out how to do effective color management of
> animations.
>> It should also be noted that this color management applies only to raster
>> images, not to other
>> page elements (such as colors specified using CSS).
> An interesting point I'd like to bring up is that it would be really useful
> if there
> were a way of turning color management off when setting a color via Java
> Script.
> That way things like the Argyll's web test window could reliably know that
> it is
> testing the underlying display, and not trying to profile through a profile
> (This assumes that some browsers eventually get around to implementing
> color management properly of course!)
> Graeme Gill.

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