Re: Re: Re: [GSoC] KWin colour management

2012-03-23 Thread Thomas Lübking
Am 23.03.2012, 06:27 Uhr, schrieb Kai-Uwe Behrmann k...@gmx.de: Where would be a competing system on Linux? Well, I certainly did not read all of that colord ./. oyranos flamewar on k-c-d where supporters of either basically tagged the other like incapable and/or irrelevant s..tufff, but I

Re: Re: Re: [GSoC] KWin colour management

2012-03-23 Thread Kai-Uwe Behrmann
Am 23.03.12, 17:10 +0100 schrieb Thomas Lübking: Am 23.03.2012, 06:27 Uhr, schrieb Kai-Uwe Behrmann k...@gmx.de: Where would be a competing system on Linux? Well, I certainly did not read all of that colord ./. oyranos flamewar on k-c-d where supporters of either basically tagged the other

Re: Re: [GSoC] KWin colour management

2012-03-22 Thread Kai-Uwe Behrmann
Am 21.03.12, 20:34 +0100 schrieb Martin Gräßlin: I think you do not know how KWin's rendering works. In a simplistic way: a window is rendered to the screen through a shader. At runtime KWin decides which shader to be used. As by that there is always only one active shader, so to have color

Re: Re: Re: [GSoC] KWin colour management

2012-03-22 Thread Kai-Uwe Behrmann
Am 22.03.12, 07:34 +0100 schrieb Martin Gräßlin: On Thursday 22 March 2012 07:02:27 Kai-Uwe Behrmann wrote: Am 21.03.12, 20:34 +0100 schrieb Martin Gräßlin: Do you have any references showing that it is impossible to add color correction to Qt during the lifecycle of Qt 5? I'm sorry, but I

Re: Re: Re: [GSoC] KWin colour management

2012-03-22 Thread Daniel Nicoletti
2012/3/22 Kai-Uwe Behrmann k...@gmx.de: Here my thoughts, why I think CM in Qt is not easily introduced during a minor Qt 5 release. [Preparation of CM for Qt 6 is a different story.] Lets hypothetical assume some effort is initiated to bring CM to Qt and that happens during Qt 5 life time.

Re: Re: Re: [GSoC] KWin colour management

2012-03-22 Thread Thomas Lübking
Am 22.03.2012, 08:55 Uhr, schrieb Kai-Uwe Behrmann k...@gmx.de: Lets hypothetical assume some effort is initiated to bring CM to Qt and that happens during Qt 5 life time. The new design says by default all content is considered sRGB, which is by itself reasonable. However existing applications

Re: Re: Re: Re: [GSoC] KWin colour management

2012-03-22 Thread Martin Gräßlin
On Thursday 22 March 2012 19:20:11 Kai-Uwe Behrmann wrote: Something like that is technical possible. But let me repeat, you get then a mixture of colour managed and non colour managed apps with the same toolkit, which is completely non understandable for users. First of all: users don't know

Re: Re: Re: [GSoC] KWin colour management

2012-03-22 Thread Kai-Uwe Behrmann
Am 22.03.12, 22:49 +0100 schrieb Thomas Lübking: Am 22.03.2012, 19:20 Uhr, schrieb Kai-Uwe Behrmann k...@gmx.de: I was tould by the graphics community to keep the X Color Management spec backward compatible with the ICC Profile in X spec, so we did. Thus old style applications see a sRGB

Re: Re: [GSoC] KWin colour management

2012-03-21 Thread Martin Gräßlin
On Wednesday 21 March 2012 08:23:39 Kai-Uwe Behrmann wrote: There is more into it: first of all KWin currently does not distinguish between screens during rendering. To properly have screen aware color correction the complete compositor has to be made screen aware. The repaint loop has to

Re: Re: [GSoC] KWin colour management

2012-03-21 Thread Martin Gräßlin
On Wednesday 21 March 2012 19:14:51 Kai-Uwe Behrmann wrote: Am 21.03.12, 18:20 +0100 schrieb Martin Gräßlin: On Wednesday 21 March 2012 08:23:39 Kai-Uwe Behrmann wrote: There is more into it: first of all KWin currently does not distinguish between screens during rendering. To properly have