mirror of
https://github.com/storytold/photocraft.git
synced 2026-10-28 11:57:16 -06:00
Brandon ThomasandClaude Opus 5.5
f7eb6ea9e7
CI's `cargo fmt --all -- --check` has failed on every run because the repo had no rustfmt config and was never formatted. Use the same settings as EffectCraft/FilmCraft (max_width 160, use_small_heuristics Max), which also keeps the churn small. Formatting only; no code changes. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
76 lines
3.1 KiB
Rust
76 lines
3.1 KiB
Rust
//! Brush engine benchmark: a 500-point stroke with a 200 px textured, scattered brush on a
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//! 6016×6016 RGBA8 layer, fed in 16-point chunks (as interactive painting would), compositing the
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//! dirty tiles after each chunk.
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//!
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//! `cargo run --release -p photocraft-paint --example bench_brush`
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use std::time::Instant;
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use photocraft_color::{PixelFormat, SampleType};
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use photocraft_geom::Rect;
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use photocraft_paint::*;
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use photocraft_raster::Surface;
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fn run(fmt: PixelFormat, label: &str, brush: &BrushSettings) {
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let n = 6016;
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let mut s = Surface::with_default(fmt, &photocraft_raster::from_rgba(&fmt, [1.0; 4]));
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// Materialise the layer like a real photo layer.
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s.fill_rect(Rect::new(0, 0, n, n), &photocraft_raster::from_rgba(&fmt, [0.8, 0.7, 0.6, 1.0]));
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let pts: Vec<StrokePoint> = (0..500)
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.map(|i| {
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let t = i as f64 / 499.0;
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StrokePoint {
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time: i as f64 * 8.0,
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..StrokePoint::new(300.0 + t * 5400.0, 3000.0 + (t * 12.0).sin() * 2000.0, 0.6 + 0.4 * (t * 30.0).sin().abs() as f32)
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}
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})
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.collect();
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let pre = s.clone();
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let start = Instant::now();
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let mut r = StrokeRenderer::new(brush, Some(fmt), 1.0);
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let mut worst = 0.0f64;
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let mut chunks = 0;
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let (mut t_push, mut t_comp) = (0.0f64, 0.0f64);
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for ch in pts.chunks(16) {
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let t = Instant::now();
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r.push(ch);
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let tp = t.elapsed().as_secs_f64() * 1000.0;
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r.composite(&pre, &mut s, None, false, false);
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let tt = t.elapsed().as_secs_f64() * 1000.0;
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t_push += tp;
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t_comp += tt - tp;
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worst = worst.max(tt);
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chunks += 1;
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}
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r.finish();
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r.composite(&pre, &mut s, None, false, false);
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let total = start.elapsed().as_secs_f64() * 1000.0;
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println!(
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"{label:<34} dabs {:>5} total {total:>7.1} ms (dabs {t_push:>6.1}, composite {t_comp:>6.1}) mean/chunk {:>6.2} ms worst/chunk {worst:>6.2} ms",
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r.dab_count(),
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total / chunks as f64
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);
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}
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fn main() {
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let brush = BrushSettings {
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size: 200.0,
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hardness: 0.5,
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spacing: 0.25,
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pressure_size: false,
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seed: 1,
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shape_dynamics: ShapeDynamics { enabled: true, size: Dynamic::jitter(0.3), angle: Dynamic::jitter(1.0), ..Default::default() },
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scattering: Scattering { enabled: true, scatter: Dynamic::jitter(1.0), both_axes: true, count: 2, ..Default::default() },
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texture: Texture { enabled: true, depth: 0.7, ..Default::default() },
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..Default::default()
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};
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let rgba8 = PixelFormat::RGBA8;
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run(rgba8, "RGBA8 textured+scattered 200px", &brush);
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run(rgba8, "RGBA8 per-tip texture", &BrushSettings { texture: Texture { each_tip: true, ..brush.texture.clone() }, ..brush.clone() });
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let chalk = presets::find(&presets::builtin(), "Chalk").unwrap().brush.clone();
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run(rgba8, "RGBA8 Chalk (sampled) 200px", &BrushSettings { size: 200.0, ..chalk });
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run(rgba8.with_sample(SampleType::U16), "RGBA16 textured+scattered", &brush);
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run(PixelFormat::RGBA32F, "RGBA32F textured+scattered", &brush);
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run(PixelFormat::CMYKA8, "CMYKA8 textured+scattered", &brush);
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}
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