493c36ac71
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.
22 lines
414 B
Rust
22 lines
414 B
Rust
use crate::image::atlas::Allocator;
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#[derive(Debug)]
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pub enum Layer {
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Empty,
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Busy(Allocator),
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Full,
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}
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impl Layer {
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pub fn is_empty(&self) -> bool {
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matches!(self, Layer::Empty)
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}
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pub fn allocations(&self) -> usize {
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match self {
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Layer::Empty => 0,
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Layer::Busy(allocator) => allocator.allocations(),
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Layer::Full => 1,
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}
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}
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}
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