The thing is, just grabbing the root window didn't work for 100% either. Outside of the permission problem, there were others: at first, people noticed, that the mouse cursor is missing, so the screen grabbing apps had to handle that as an extra (get the cursor shape, it's position, superimpose it on the from previous step pixmap). Then, if you happened to use Xv, the content was missing too, you got the chroma key used instead. This use case was never handled while Xv was used, the problem was solved when it became obsolete.
The point is, you either implemented a quite complex way to get a screenshot, or just used another implementation as a library. For a screencast, you discover a new here-are-lions land, since you are going to read out VRAM for each frame, with corresponding "speed" and CPU load.
So yes, separate server handles that and more for you. Compositors finally can use overlays (that's how they emulate different scales or resolutions for clients like games, while using native resolution of the display). Pipewire/gstreamer implement a hardware accelerated, zero copy screencasting for you, so you don't have to do it yourself, just call the right portal.
Yes, apps have to change. But they already do change, at least on other platforms. Apple does way more changes in their system, and do you see anyone waiting for several releases until they update? They changed their arch for christ's sake, and except for the long tail, everyone updated within few months. Why it is so difficult on the linux side?
Maybe the reason is not that it is difficult to update, but that the linux users accept crap and apple users don't. Do not accept crap by the proprietary vendors, and they will step up their effort. It's that simple.
The point is, you either implemented a quite complex way to get a screenshot, or just used another implementation as a library. For a screencast, you discover a new here-are-lions land, since you are going to read out VRAM for each frame, with corresponding "speed" and CPU load.
So yes, separate server handles that and more for you. Compositors finally can use overlays (that's how they emulate different scales or resolutions for clients like games, while using native resolution of the display). Pipewire/gstreamer implement a hardware accelerated, zero copy screencasting for you, so you don't have to do it yourself, just call the right portal.
Yes, apps have to change. But they already do change, at least on other platforms. Apple does way more changes in their system, and do you see anyone waiting for several releases until they update? They changed their arch for christ's sake, and except for the long tail, everyone updated within few months. Why it is so difficult on the linux side?
Maybe the reason is not that it is difficult to update, but that the linux users accept crap and apple users don't. Do not accept crap by the proprietary vendors, and they will step up their effort. It's that simple.