feat(graphics): benchmark rgb2yuv tile encoding

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>

Author: elmarco

Cargo.lock

@@ -11,6 +11,9 @@ authors.workspace = true
 keywords.workspace = true
 categories.workspace = true
 
+[features]
+bench = []
+
 [lib]
 doctest = false
 # test = false
@@ -31,6 +34,13 @@ thiserror.workspace = true
 [dev-dependencies]
 bmp = "0.5"
 expect-test.workspace = true
+criterion = "0.5"
+
+[[bench]]
+name = "bench"
+path = "benches/bench.rs"
+required-features = ["bench"]
+harness = false
 
 [lints]
 workspace = true

crates/ironrdp-graphics/Cargo.toml

@@ -0,0 +1,19 @@
+use criterion::{criterion_group, criterion_main, Criterion};
+use ironrdp_graphics::color_conversion::to_64x64_ycbcr_tile;
+
+pub fn criterion_benchmark(c: &mut Criterion) {
+    const WIDTH: usize = 64;
+    const HEIGHT: usize = 64;
+    let input = vec![0; WIDTH * HEIGHT * 4];
+    let stride = WIDTH * 4;
+    let mut y = [0i16; WIDTH * HEIGHT];
+    let mut cb = [0i16; WIDTH * HEIGHT];
+    let mut cr = [0i16; WIDTH * HEIGHT];
+    let format = ironrdp_graphics::image_processing::PixelFormat::ARgb32;
+    c.bench_function("rgb2yuv", |b| {
+        b.iter(|| to_64x64_ycbcr_tile(&input, WIDTH, HEIGHT, stride, format, &mut y, &mut cb, &mut cr))
+    });
+}
+
+criterion_group!(benches, criterion_benchmark);
+criterion_main!(benches);