32 lines
1 KiB
Rust
32 lines
1 KiB
Rust
use criterion::{black_box, criterion_group, criterion_main, BenchmarkId, Criterion};
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use image::{ImageReader, RgbImage};
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use pi_frame_server::dither::{DitherMethod, DitheredImage, Palette};
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fn criterion_benchmark(c: &mut Criterion) {
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let mut group = c.benchmark_group("dithering_benchmark");
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let sample_file = "sample_0.tiff";
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let image: RgbImage = ImageReader::open(format!("samples/{sample_file}"))
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.expect("file exists")
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.decode()
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.expect("file is valid")
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.into_rgb8();
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group.sample_size(20);
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group.bench_with_input(BenchmarkId::new("dither", "sample_0"), &image, |b, i| {
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b.iter(|| {
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let mut method = DitherMethod::Atkinson.get_ditherer();
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let mut result = DitheredImage::new(
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image.width(),
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image.height(),
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Palette::Default.value().to_vec(),
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);
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method.dither(i, &mut result);
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});
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});
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}
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criterion_group!(benches, criterion_benchmark);
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criterion_main!(benches);
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