bendn's repos / fimg
fast image operations
Diffstat (limited to 'benches/affine_transformations.rs')
-rw-r--r--benches/affine_transformations.rs36
1 files changed, 36 insertions, 0 deletions
diff --git a/benches/affine_transformations.rs b/benches/affine_transformations.rs
new file mode 100644
index 0000000..8ac03a4
--- /dev/null
+++ b/benches/affine_transformations.rs
@@ -0,0 +1,36 @@
+use fimg::*;
+
+macro_rules! bench {
+ (fn $name: ident() { run $fn: ident() } $($namec:ident)?) => {
+ fn $name() {
+ let mut bytes = *include_bytes!("4_128x128.imgbuf");
+ let mut img: Image<_, 4> =
+ Image::build(128, 128).buf(&mut bytes);
+ for _ in 0..256 {
+ #[allow(unused_unsafe)]
+ unsafe {
+ img.as_mut().$fn()
+ };
+ }
+ }
+
+ $(fn $namec() {
+ let img: Image<&[u8], 4> =
+ Image::build(128, 128).buf(include_bytes!("4_128x128.imgbuf"));
+ #[allow(unused_unsafe)]
+ unsafe {
+ std::hint::black_box(img.cloner().$fn())
+ };
+ })?
+ };
+}
+
+bench!(fn flip_h() { run flip_h() } flip_hc);
+bench!(fn flip_v() { run flip_v() } flip_vc);
+bench!(fn rotate_90() { run rot_90() } rot_90c);
+bench!(fn rotate_180() { run rot_180() } rot_180c);
+bench!(fn rotate_270() { run rot_270() } rot_270c);
+iai::main!(
+ flip_h, flip_v, rotate_90, rotate_180, rotate_270, flip_hc, flip_vc, rot_90c, rot_180c,
+ rot_270c
+);