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Add Shape::Callback to do custom rendering inside of an egui UI (#1351)

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* Add Shape::Callback to do custom rendering inside of an egui UI
* Use Rc<glow::Context> everywhere
* Remove trait WebPainter
* Add glow::Context to epi::App::setup
This commit is contained in:
Emil Ernerfeldt
2022-03-14 13:25:11 +01:00
committed by GitHub
parent 002158050b
commit 6aee4997d4
34 changed files with 777 additions and 385 deletions
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11
egui_glow/src/epi_backend.rs
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@@ -54,17 +54,19 @@ pub fn run(app: Box<dyn epi::App>, native_options: &epi::NativeOptions) -> ! {
egui_winit::epi::window_builder(native_options, &window_settings).with_title(app.name());
let event_loop = winit::event_loop::EventLoop::with_user_event();
let (gl_window, gl) = create_display(window_builder, &event_loop);
let gl = std::rc::Rc::new(gl);
let repaint_signal = std::sync::Arc::new(GlowRepaintSignal(std::sync::Mutex::new(
event_loop.create_proxy(),
)));
let mut painter = crate::Painter::new(&gl, None, "")
let mut painter = crate::Painter::new(gl.clone(), None, "")
.unwrap_or_else(|error| panic!("some OpenGL error occurred {}\n", error));
let mut integration = egui_winit::epi::EpiIntegration::new(
"egui_glow",
painter.max_texture_side(),
gl_window.window(),
&gl,
repaint_signal,
persistence,
app,
@@ -92,7 +94,7 @@ pub fn run(app: Box<dyn epi::App>, native_options: &epi::NativeOptions) -> ! {
integration.handle_platform_output(gl_window.window(), platform_output);
let clipped_meshes = integration.egui_ctx.tessellate(shapes);
let clipped_primitives = integration.egui_ctx.tessellate(shapes);
// paint:
{
@@ -104,10 +106,9 @@ pub fn run(app: Box<dyn epi::App>, native_options: &epi::NativeOptions) -> ! {
gl.clear(glow::COLOR_BUFFER_BIT);
}
painter.paint_and_update_textures(
&gl,
gl_window.window().inner_size().into(),
integration.egui_ctx.pixels_per_point(),
clipped_meshes,
&clipped_primitives,
&textures_delta,
);
@@ -153,7 +154,7 @@ pub fn run(app: Box<dyn epi::App>, native_options: &epi::NativeOptions) -> ! {
}
winit::event::Event::LoopDestroyed => {
integration.on_exit(gl_window.window());
painter.destroy(&gl);
painter.destroy();
}
winit::event::Event::UserEvent(RequestRepaintEvent) => {
gl_window.window().request_redraw();