72 lines
2.1 KiB
Rust
72 lines
2.1 KiB
Rust
use iris::prelude::*;
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const ROWS: usize = 1000;
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const SETTLE_FRAMES: usize = 4;
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const FRAMES: usize = 6;
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#[derive(DesktopUiState)]
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struct State {
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ui_state: DesktopUiState,
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span: WeakWidget<Span>,
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frame: usize,
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appended: bool,
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}
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impl DesktopAppState for State {
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fn new(mut ui_state: DesktopUiState, rsc: &mut StdRsc<Self>, _: Proxy<Self::Event>) -> Self {
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let mut span = Span::empty(Dir::DOWN);
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for _ in 0..ROWS {
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let img = image::DynamicImage::new_rgba8(32, 32);
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let widget = image::<StdRsc<Self>>(img)(rsc);
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let widget = rsc.ui.widgets.add_strong(widget);
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span.push(widget.any());
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}
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let span = rsc.ui.widgets.add_strong(span);
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let span_weak = span.weak();
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let root = rsc
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.ui
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.widgets
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.add_strong(ScrollArea::new(span.any(), Axis::Y, Pin::End));
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ui_state.set_root(rsc, root.any());
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Self {
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ui_state,
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span: span_weak,
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frame: 0,
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appended: false,
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}
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}
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fn window_event(&mut self, event: winit::event::WindowEvent, rsc: &mut StdRsc<Self>) {
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if !matches!(event, winit::event::WindowEvent::RedrawRequested) {
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return;
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}
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self.frame += 1;
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let creates = self.ui_state.renderer.ui.take_image_bind_group_creates();
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println!(
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"BENCH_IMAGES frame={} bind_group_creates={creates}",
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self.frame
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);
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if self.frame == SETTLE_FRAMES && !self.appended {
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self.appended = true;
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let img = image::DynamicImage::new_rgba8(32, 32);
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let widget = image::<StdRsc<Self>>(img)(rsc);
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let widget = rsc.ui.widgets.add_strong(widget);
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rsc.ui
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.widgets
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.get_mut(&self.span)
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.unwrap()
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.push(widget.any());
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println!("BENCH_IMAGES appended one image after settling");
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}
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if self.frame < FRAMES {
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self.ui_state.window.request_redraw();
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} else {
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std::process::exit(0);
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}
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}
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}
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fn main() {
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DesktopApp::<State>::run();
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}
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