https://bugs.kde.org/show_bug.cgi?id=425139

--- Comment #6 from sk.griffi...@gmail.com ---
> You would need to detect full transparency vs. partial transparency. If you
> can come up with a plan how to do this without checking the alpha component
> of each pixel, please share. The better option is of course to announce if
> blur is needed, and (even better) at which region.

I am sorry but I am not a programmer and the only exposure I had to programming
was java in high school, so my queries and and requests must be irritating. I
tried checking the wayfire implementation
(https://github.com/WayfireWM/wayfire/tree/master/plugins/blur) and I accept I
can't make any sense out of it. I would assume they are checking for every
region with opacity < 1 and blurring it?
In my use, I do think they are doing something like that. It seems to blur
every region with opacity<1, even shadows. Maybe something like that is not
feasible with kwin as you say. But is there any method possible to make
specific windows transparent in wayland with kwin? I have done that with
xdotools and devilspie in x.org, but I don't think something comparable exists
or can exist in wayland. I used the above methods to blur gtk applications and
yakuake

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