61 lines
2.3 KiB
Rust
61 lines
2.3 KiB
Rust
//! `cargo run --release -p drawcraft-render --example bench` — render timing on synthetic documents.
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use drawcraft_color::{Color, Paint};
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use drawcraft_doc::{Appearance, Document, Node};
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use drawcraft_geom::{Affine, Point, Rect, shapes};
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use drawcraft_render::{RenderOptions, Renderer};
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fn rng(seed: &mut u64) -> f64 {
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*seed ^= *seed << 13;
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*seed ^= *seed >> 7;
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*seed ^= *seed << 17;
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(*seed % 1_000_000) as f64 / 1_000_000.0
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}
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fn main() {
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let n: usize = std::env::args().nth(1).and_then(|s| s.parse().ok()).unwrap_or(20_000);
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let mut d = Document::new(1600.0, 1200.0);
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let l = d.layers[0].id;
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let mut seed = 42u64;
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for i in 0..n {
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let x = rng(&mut seed) * 1600.0;
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let y = rng(&mut seed) * 1200.0;
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let r = 3.0 + rng(&mut seed) * 22.0;
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let c = Color::rgb(rng(&mut seed) as f32, rng(&mut seed) as f32, rng(&mut seed) as f32);
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let id = d.alloc_id();
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let mut node = match i % 3 {
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0 => Node::path(
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id,
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shapes::ellipse(Rect::from_center_size(Point::new(x, y), (2.0 * r, 2.0 * r))),
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Appearance::basic(Paint::solid(c), Paint::solid(Color::BLACK), 0.5),
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),
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1 => Node::path(id, shapes::rectangle(Rect::new(x, y, x + 2.0 * r, y + r)), Appearance::basic(Paint::solid(c), Paint::None, 0.0)),
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_ => Node::path(id, shapes::star(Point::new(x, y), r, r / 2.0, 5, 0.0), Appearance::basic(Paint::None, Paint::solid(c), 2.0)),
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};
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if i % 3 == 1 {
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node.opacity = 0.8;
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}
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d.insert(Some(l), usize::MAX, node).unwrap();
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}
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let mut r = Renderer::new();
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let opts = RenderOptions::default();
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for (label, w, h, view) in [
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("fit 2880x1800", 2880u32, 1800u32, Affine::scale(1.6)),
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("zoom 400% 2880x1800", 2880, 1800, Affine::scale(6.4) * Affine::translate((-600.0, -400.0))),
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("thumb 400x300", 400, 300, Affine::scale(0.25)),
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] {
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r.render(&d, w, h, view, &opts); // warm up
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let t = std::time::Instant::now();
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let iters = 5;
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for _ in 0..iters {
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r.render(&d, w, h, view, &opts);
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}
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println!(
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"{n} objects, {label}: {:.1} ms/frame (drawn {}, culled {})",
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t.elapsed().as_secs_f64() * 1000.0 / iters as f64,
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r.stats.drawn,
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r.stats.culled
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);
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}
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}
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