63 lines
1.9 KiB
Rust
63 lines
1.9 KiB
Rust
use std::path::Path;
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use criterion::{black_box, criterion_group, criterion_main, Criterion};
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use libretrogd::{Bitmap, BlitMethod, Rect};
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pub fn criterion_benchmark(c: &mut Criterion) {
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let mut framebuffer = Bitmap::new(320, 240).unwrap();
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let (bmp, _) = Bitmap::load_iff_file(Path::new("./test-assets/test-tiles.lbm")).unwrap();
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let mut solid_bmp = Bitmap::new(16, 16).unwrap();
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solid_bmp.blit_region(BlitMethod::Solid, &bmp, &Rect::new(16, 16, 16, 16), 0, 0);
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let mut trans_bmp = Bitmap::new(16, 16).unwrap();
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trans_bmp.blit_region(BlitMethod::Solid, &bmp, &Rect::new(160, 0, 16, 16), 0, 0);
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c.bench_function("blit_single_checked_solid", |b| {
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b.iter(|| {
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framebuffer.blit(
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black_box(BlitMethod::Solid),
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black_box(&solid_bmp),
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black_box(100),
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black_box(100),
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)
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})
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});
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c.bench_function("blit_single_unchecked_solid", |b| {
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b.iter(|| unsafe {
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framebuffer.blit_unchecked(
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black_box(BlitMethod::Solid),
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black_box(&solid_bmp),
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black_box(100),
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black_box(100),
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)
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})
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});
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c.bench_function("blit_single_checked_transparent", |b| {
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b.iter(|| {
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framebuffer.blit(
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black_box(BlitMethod::Transparent(0)),
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black_box(&trans_bmp),
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black_box(100),
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black_box(100),
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)
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})
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});
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c.bench_function("blit_single_unchecked_transparent", |b| {
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b.iter(|| unsafe {
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framebuffer.blit_unchecked(
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black_box(BlitMethod::Transparent(0)),
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black_box(&trans_bmp),
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black_box(100),
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black_box(100),
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)
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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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