Mouse cursor input quantized by Hi-DPI scale (cursor precision loss)
When using Blender under both Wayland (currently a build option - off by default) and Xwayland (official releases), there is a noticeable quantizing of cursor input. This makes all cursor input align to a grid, at 400% this is quite noticeable when painting.
This limitation doesn't exist with:
- The Weston reference compositor.
- The river wayland compositor.
It also isn't a problem for tablet events.
It should be possible to support pixel (even sub-pixel) cursor motion as wl_fixed_t
is used for the x, y cursor motion.
Tested with gnome-shell 42.2.
This is the bug in Blender's tracker: https://developer.blender.org/T98927
Edited by Campbell Barton