OpenGL and Plasma::Wallpaper

[Shaun Reich]

On Sun, Jan 1, 2012 at 12:54 PM, Martin Gräßlin <mgraesslin at kde.org> wrote:
> On Saturday 31 December 2011 12:10:37 Shaun Reich wrote:
>> On Sat, Dec 31, 2011 at 5:17 AM, Martin Gräßlin <mgraesslin at kde.org> wrote:
>> > On Thursday 29 December 2011 11:21:36 Justin L. Boss wrote:
>> > Personally I am not a big fan of having animations which would require
>> > OpenGL in the background. Most of the time the background is not visible,
>> > it requires resources and puts load on the compositor which has to update
>> > the scene although nothing changes (full repaints are most expensive).
>> >
>> > May I ask why you want to use OpenGL?
>>
>> Probably because QPainter is dog slow.
> using OpenGL doesn't make it faster if you need QPainter to render to the
> background ;-)

Aaw, I was hoping using OGL/qml and what not would remove the need to
go through QPainter at all. If only...

> So unless our wallpapers learn to not redraw the areas which are not visible
> anyway (which is probably impossible to know for the wallpaper), I am not a
> fan of animated wallpapers in general.
>
> Just for the record: using always animated wallpapers should perform better
> thanks to optimizations in 4.8.

Cools.


-- 
Shaun Reich,
KDE Software Developer (kde.org)