50 lines
2.3 KiB
Rust
50 lines
2.3 KiB
Rust
//! Timing: the example WebAssembly Invert plug-in vs the built-in Image › Adjustments › Invert,
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//! through the full command path, on a 6000 × 4000 (24 MP) layer.
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//! `cargo run --release -p photocraft-engine --example bench_plugin_invert [width] [height] [depth]`
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use std::time::Instant;
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use photocraft_engine::Session;
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use photocraft_geom::Rect;
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use serde_json::json;
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fn main() {
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let mut args = std::env::args().skip(1).map(|v| v.parse::<u64>().unwrap_or(0));
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let w = args.next().filter(|v| *v > 0).unwrap_or(6000);
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let h = args.next().filter(|v| *v > 0).unwrap_or(4000);
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let depth = args.next().filter(|v| *v > 0).unwrap_or(8);
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let mut s = Session::new();
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s.execute("file.new", json!({"width": w, "height": h, "depth": depth})).unwrap();
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s.execute("layer.new.layer", json!({})).unwrap();
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s.edit("texture", |doc, active| {
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let surf = doc.layer_mut(active.unwrap()).unwrap().surface_mut().unwrap();
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let fmt = surf.format();
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let row: Vec<f32> = (0..w).flat_map(|x| photocraft_raster::from_rgba(&fmt, [(x % 256) as f32 / 255.0, 0.5, 0.25, 1.0])).collect();
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for y in 0..h as i32 {
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surf.write_region(Rect::new(0, y, w as i32, y + 1), &row);
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}
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Ok(())
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})
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.unwrap();
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let wasm = include_bytes!("../../plugins/tests/fixtures/invert.wasm");
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let data: String = {
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const T: &[u8; 64] = b"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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wasm.chunks(3)
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.flat_map(|c| {
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let n = (u32::from(c[0]) << 16) | (u32::from(*c.get(1).unwrap_or(&0)) << 8) | u32::from(*c.get(2).unwrap_or(&0));
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(0..4).map(move |i| if i <= c.len() { T[(n >> (18 - 6 * i)) as usize & 63] as char } else { '=' })
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})
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.collect()
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};
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s.execute("plugin.install", json!({"data": data})).unwrap();
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println!("{w}x{h} ({:.1} MP), {depth}-bit RGBA layer", (w * h) as f64 / 1e6);
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for _ in 0..3 {
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let t = Instant::now();
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s.execute("image.adjustments.invert", json!({})).unwrap();
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let builtin = t.elapsed().as_secs_f64() * 1e3;
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let t = Instant::now();
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s.execute("plugin.run", json!({"id": "org.photocraft.example.invert"})).unwrap();
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let plugin = t.elapsed().as_secs_f64() * 1e3;
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println!("built-in invert {builtin:>7.0} ms plug-in invert {plugin:>7.0} ms");
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}
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}
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