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Wayland sounds a bit like what Vulkan is to OpenGL? Am I anywhere close?

I'm a novice when it comes to the implementation of compositors and display servers, but as a user it's been a far better experience than X11/Xorg ever was. Seeing this robustness video just proves it to me even more.

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Rather the opposite. Wayland is a far more opaque abstraction layer than X11.

Also the "robustness" is achieved with KDE/Qt specific protocols and as such has nothing to do with Wayland. Similar functionality could be achieved with X11.

X11 can't do this because memory allocations happen in the X server.

DRI3 clients allocate themselves their render buffers. Hence perfectly possible with X11.

>Am I anywhere close?

It's close, but since the services are much simpler you don't run into the problem of needing an older of magnitude of more lines to draw a triangle.

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