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Reintroduce damage tracking for iced_tiny_skia

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This commit is contained in:
Héctor Ramón Jiménez 2024-04-10 15:21:42 +02:00
parent 14b9708f72
commit 1e802e776c
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GPG key ID: 7CC46565708259A7
10 changed files with 347 additions and 92 deletions
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31
tiny_skia/src/window/compositor.rs
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@ -1,5 +1,6 @@
use crate::core::{Color, Rectangle, Size};
use crate::graphics::compositor::{self, Information};
use crate::graphics::damage;
use crate::graphics::error::{self, Error};
use crate::graphics::{self, Viewport};
use crate::{Layer, Renderer, Settings};
@ -154,7 +155,7 @@ pub fn present<T: AsRef<str>>(
.buffer_mut()
.map_err(|_| compositor::SurfaceError::Lost)?;
let _last_layers = {
let last_layers = {
let age = buffer.age();
surface.max_age = surface.max_age.max(age);
@ -167,26 +168,28 @@ pub fn present<T: AsRef<str>>(
}
};
// TODO
// let damage = last_layers
// .and_then(|last_layers| {
// (surface.background_color == background_color)
// .then(|| damage::layers(last_layers, renderer.layers()))
// })
// .unwrap_or_else(|| vec![Rectangle::with_size(viewport.logical_size())]);
let damage = vec![Rectangle::with_size(viewport.logical_size())];
let damage = last_layers
.and_then(|last_layers| {
(surface.background_color == background_color).then(|| {
damage::diff(
last_layers,
renderer.layers(),
|layer| vec![layer.bounds],
Layer::damage,
)
})
})
.unwrap_or_else(|| vec![Rectangle::with_size(viewport.logical_size())]);
if damage.is_empty() {
return Ok(());
}
surface
.layer_stack
.push_front(renderer.layers().cloned().collect());
surface.layer_stack.push_front(renderer.layers().to_vec());
surface.background_color = background_color;
// let damage = damage::group(damage, viewport.logical_size());
let damage =
damage::group(damage, Rectangle::with_size(viewport.logical_size()));
let mut pixels = tiny_skia::PixmapMut::from_bytes(
bytemuck::cast_slice_mut(&mut buffer),