bendns' repos / mindus
mindustry logic execution, map- and schematic- parsing and rendering
Diffstat (limited to 'src/utils/image/overlay.rs')
-rw-r--r--src/utils/image/overlay.rs70
1 files changed, 54 insertions, 16 deletions
diff --git a/src/utils/image/overlay.rs b/src/utils/image/overlay.rs
index 4406a9b..3dba13b 100644
--- a/src/utils/image/overlay.rs
+++ b/src/utils/image/overlay.rs
@@ -79,6 +79,24 @@ impl OverlayAt<Image<&[u8], 4>> for Image<&mut [u8], 3> {
}
}
+impl OverlayAt<Image<&[u8], 3>> for Image<&mut [u8], 3> {
+ unsafe fn overlay_at(&mut self, with: &Image<&[u8], 3>, x: u32, y: u32) -> &mut Self {
+ for j in 0..with.height() {
+ let i_x = j as usize * with.width() as usize * 3
+ ..(j as usize + 1) * with.width() as usize * 3;
+ let o_x = ((j as usize + y as usize) * self.width() as usize + x as usize) * 3
+ ..((j as usize + y as usize) * self.width() as usize
+ + x as usize
+ + with.width() as usize)
+ * 3;
+ let a = unsafe { self.buffer.get_unchecked_mut(o_x) };
+ let b = unsafe { with.buffer.get_unchecked(i_x) };
+ a.copy_from_slice(b);
+ }
+ self
+ }
+}
+
impl Overlay<Image<&[u8], 4>> for Image<&mut [u8], 3> {
unsafe fn overlay(&mut self, with: &Image<&[u8], 4>) -> &mut Self {
unsafe { assert_unchecked!(self.width() == with.width()) };
@@ -135,36 +153,56 @@ mod bench {
use crate::{data::renderer::Scale, load};
#[bench]
+ fn overlay_3on3at(bench: &mut Bencher) {
+ let mut v = vec![0u8; 3 * 64 * 64];
+ let mut a: Image<_, 3> = Image::new(
+ 64.try_into().unwrap(),
+ 64.try_into().unwrap(),
+ v.as_mut_slice(),
+ );
+ let b = load!("darksand", Scale::Eigth);
+ bench.iter(|| unsafe {
+ for x in 0..16 {
+ for y in 0..16 {
+ black_box(a.overlay_at(&b.borrow(), x, y));
+ }
+ }
+ });
+ }
+
+ #[bench]
fn overlay_4on3at(bench: &mut Bencher) {
- let mut v = vec![0u8; 3 * 56 * 56];
+ let mut v = vec![0u8; 3 * 64 * 64];
let mut a: Image<_, 3> = Image::new(
- 56.try_into().unwrap(),
- 56.try_into().unwrap(),
+ 64.try_into().unwrap(),
+ 64.try_into().unwrap(),
v.as_mut_slice(),
);
- let b = load!("interplanetary-accelerator", Scale::Eigth);
+ let b = load!("salt-wall", Scale::Eigth);
bench.iter(|| unsafe {
- black_box(a.overlay_at(&b.borrow(), 0, 0));
- black_box(a.overlay_at(&b.borrow(), 28, 0));
- black_box(a.overlay_at(&b.borrow(), 28, 28));
- black_box(a.overlay_at(&b.borrow(), 0, 28));
+ for x in 0..16 {
+ for y in 0..16 {
+ black_box(a.overlay_at(&b.borrow(), x, y));
+ }
+ }
});
}
#[bench]
fn overlay_4on4at(bench: &mut Bencher) {
- let mut v = vec![0u8; 4 * 56 * 56];
+ let mut v = vec![0u8; 4 * 64 * 64];
let mut a: Image<_, 4> = Image::new(
- 56.try_into().unwrap(),
- 56.try_into().unwrap(),
+ 64.try_into().unwrap(),
+ 64.try_into().unwrap(),
v.as_mut_slice(),
);
- let b = load!("interplanetary-accelerator", Scale::Eigth);
+ let b = load!("salt-wall", Scale::Eigth);
bench.iter(|| unsafe {
- black_box(a.overlay_at(&b.borrow(), 0, 0));
- black_box(a.overlay_at(&b.borrow(), 28, 0));
- black_box(a.overlay_at(&b.borrow(), 28, 28));
- black_box(a.overlay_at(&b.borrow(), 0, 28));
+ for x in 0..16 {
+ for y in 0..16 {
+ black_box(a.overlay_at(&b.borrow(), x, y));
+ }
+ }
});
}
}