Are egui and SDL2 compatible? about egui HOT 2 CLOSED

Hello!

As far as I know, nobody has made an SDL2 backend for Egui yet, so you can be the first!

How difficult this is depends on one things: are you using an OpenGL renderer with SDL2?

If yes, you can follow this short guide: https://github.com/emilk/egui#writing-your-own-egui-backend

However, if all your working with is sdl2::render::Canvas then you are going to have a harder time. In particular, the current structure of Egui expects you to be able to quickly paint textured triangles, which the SDL2 Canvas API does no support.

I have some plans for exposing egui::PaintCmd as the output of Egui. This would allow backends that work on higher level primitives such as rectangles, lines and text instead of just triangles. But writing a painter for egui::PaintCmd will probably be more work than a standard triangles based one.

from egui.

Hi @emilk . Thanks.

I am using the SDL2 canvas for content creation (drawing to Surface buffers).

let sdl = sdl2::init().unwrap();
let video_subsystem = sdl.video().unwrap();
let win = video_subsystem
     .window(title, SCREEN_WIDTH, SCREEN_HEIGHT)
     .position_centered()
     .build()
     .unwrap();
let mut canvas: WindowCanvas = win.into_canvas().build().unwrap();
...

EDIT
Decided to hop over to the OpenGL side.

from egui.