https://bugs.kde.org/show_bug.cgi?id=509669

--- Comment #68 from fililip <[email protected]> ---
(In reply to thesword from comment #66)
> This patch improved the situation for me but I still have cursor hitches
> when GPU is highly loaded and the cursor shape changes. To reproduce the
> issue, open this link
> https://threejs.org/examples/webgl_renderer_pathtracer.html (Warning, this
> is a WebGL path tracer and will probably overload your GPU if it's to slow)
> and move your cursor around links or address bar.

That's because the cursor is painted using the GPU, and with poor scheduling
this painting operation might get delayed by a frame or two due to other
applications taking up GPU time.

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