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|
use criterion::{black_box, criterion_group, criterion_main, Criterion};
use rsvg::{
surface_utils::{
shared_surface::{ExclusiveImageSurface, SurfaceType},
srgb::{linearize, map_unpremultiplied_components_loop},
ImageSurfaceDataExt, Pixel,
},
IRect,
};
const SURFACE_SIDE: i32 = 512;
const BOUNDS: IRect = IRect {
x0: 64,
y0: 32,
x1: 448,
y1: 480,
};
fn bench_srgb_linearization(c: &mut Criterion) {
c.bench_function("srgb map_unpremultiplied_components", |b| {
let mut surface =
ExclusiveImageSurface::new(SURFACE_SIDE, SURFACE_SIDE, SurfaceType::LinearRgb).unwrap();
// Fill the surface with non-zero alpha (otherwise linearization is a no-op).
surface.modify(&mut |data, stride| {
for y in BOUNDS.y_range() {
for x in BOUNDS.x_range() {
let pixel = Pixel {
r: 0,
g: 0,
b: 0,
a: 127,
};
data.set_pixel(stride, pixel, x as u32, y as u32);
}
}
});
let surface = surface.share().unwrap();
let mut output_surface =
ExclusiveImageSurface::new(SURFACE_SIDE, SURFACE_SIDE, SurfaceType::SRgb).unwrap();
let bounds = black_box(BOUNDS);
b.iter(|| {
map_unpremultiplied_components_loop(&surface, &mut output_surface, bounds, linearize);
})
});
}
criterion_group!(benches, bench_srgb_linearization);
criterion_main!(benches);
|
