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Make image Cache eviction strategy less aggressive in iced_wgpu

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Instead of trimming unconditionally at the end of
a frame, we now trim the cache only when there is a
cache miss.

This way, images that are not visible but still a
part of the layout will stay cached. Eviction will
only happen when the images are not a part of the
UI for two consectuive frames.
This commit is contained in:
Héctor Ramón Jiménez 2024-04-24 21:29:30 +02:00
parent fdcec03197
commit 493c36ac71
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GPG key ID: 7CC46565708259A7
6 changed files with 41 additions and 5 deletions
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15
wgpu/src/image/atlas.rs
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@ -94,7 +94,7 @@ impl Atlas {
entry
};
log::info!("Allocated atlas entry: {entry:?}");
log::debug!("Allocated atlas entry: {entry:?}");
// It is a webgpu requirement that:
// BufferCopyView.layout.bytes_per_row % wgpu::COPY_BYTES_PER_ROW_ALIGNMENT == 0
@ -147,13 +147,20 @@ impl Atlas {
}
}
log::info!("Current atlas: {self:?}");
if log::log_enabled!(log::Level::Debug) {
log::debug!(
"Atlas layers: {} (busy: {}, allocations: {})",
self.layer_count(),
self.layers.iter().filter(|layer| !layer.is_empty()).count(),
self.layers.iter().map(Layer::allocations).sum::<usize>(),
);
}
Some(entry)
}
pub fn remove(&mut self, entry: &Entry) {
log::info!("Removing atlas entry: {entry:?}");
log::debug!("Removing atlas entry: {entry:?}");
match entry {
Entry::Contiguous(allocation) => {
@ -266,7 +273,7 @@ impl Atlas {
}
fn deallocate(&mut self, allocation: &Allocation) {
log::info!("Deallocating atlas: {allocation:?}");
log::debug!("Deallocating atlas: {allocation:?}");
match allocation {
Allocation::Full { layer } => {