Re: A solution for gamma-adjustment support in Wayland

2016-12-27 Thread Chris Murphy
On Tue, Dec 27, 2016 at 11:35 AM, Mattias Andrée wrote: > > > get away with 8 bit per channel CIE L*a*b* but even > > that's questionable these days. > > I would reject CIE L*a*b* because it requires more > expensive conversion and more than two conversion > steps. > The conversion is lookup and

Re: A solution for gamma-adjustment support in Wayland

2016-12-27 Thread Chris Murphy
On Mon, Dec 26, 2016 at 10:25 PM, Graeme Gill wrote: > > Hi, > > Daniel Stone wrote: > > 'The size and depth' and 'the CLUT' are no longer applicable. Colour > > management units, incorporating two LUTs and a matrix (coarsely, > > degamma-transform-regamma) are becoming rather common now. These u

Re: A solution for gamma-adjustment support in Wayland

2016-12-27 Thread Mattias Andrée
On Tue, 27 Dec 2016 11:23:34 -0700 Chris Murphy wrote: > On Mon, Dec 26, 2016 at 11:00 PM, Mattias Andrée > wrote: > > > On Tue, 27 Dec 2016 16:25:20 +1100 > > Graeme Gill wrote: > > > > > Hi, > > > > > > Daniel Stone wrote: > > > > 'The size and depth' and 'the CLUT' are no longer > > > >

Re: A solution for gamma-adjustment support in Wayland

2016-12-27 Thread Chris Murphy
On Mon, Dec 26, 2016 at 11:00 PM, Mattias Andrée wrote: > On Tue, 27 Dec 2016 16:25:20 +1100 > Graeme Gill wrote: > > > Hi, > > > > Daniel Stone wrote: > > > 'The size and depth' and 'the CLUT' are no longer > > > applicable. Colour management units, incorporating two > > > LUTs and a matrix (co

Re: [RFC wayland-protocols] Add the color-management protocol

2016-12-27 Thread Niels Ole Salscheider
On Tuesday, 20 December 2016, 14:25:02 CET, Daniel Stone wrote: > Hi Niels, > Just nitpicking at the protocol side of things a little bit; please > excuse what I'm sure is a horrific abuse of the terminology, contained > in what I'm sure is a series of stupid questions. > > On 19 November 2016 at