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説明
There is a lot of room for improvements to the CPU usage of egui. Here are some things worth investigating:
- Try different hash algorithms for
Id,FontCacheand others. - Precompute vertices for circles and rounded corners in
epaint::Tessellatorconstructor (https://github.com/emilk/egui/pull/1547) - Paint small filled circles using textured rects (by adding a few low-radius circles to the font atlas) (https://github.com/emilk/egui/pull/1616)
- Run egui with a proper profiler and see what pops up
- https://github.com/emilk/egui/issues/1098
-
eframe/native: runApp::updateand the rendering in different threads - Output a single veretex buffer and index buffer instead of
Vec<ClippedPrimitive> - emilk/egui#3862
- emilk/egui_plot#18,
Any PR should come with a benchmark.