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Avoid generating empty caches in iced_wgpu

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Héctor Ramón Jiménez 2024-04-06 03:06:40 +02:00
parent 7eb16452f3
commit 441aac2599
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GPG key ID: 4C07CEC81AFA161F
4 changed files with 66 additions and 22 deletions
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31
wgpu/src/triangle.rs
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@ -38,14 +38,18 @@ pub struct Cache {
pub struct Id(u64);
impl Cache {
pub fn new(meshes: Vec<Mesh>) -> Self {
pub fn new(meshes: Vec<Mesh>) -> Option<Self> {
static NEXT_ID: AtomicU64 = AtomicU64::new(0);
Self {
if meshes.is_empty() {
return None;
}
Some(Self {
id: Id(NEXT_ID.fetch_add(1, atomic::Ordering::Relaxed)),
batch: Rc::from(meshes),
version: 0,
}
})
}
pub fn update(&mut self, meshes: Vec<Mesh>) {
@ -72,8 +76,12 @@ impl Storage {
Self::default()
}
fn get(&self, id: Id) -> Option<&Upload> {
self.uploads.get(&id)
fn get(&self, cache: &Cache) -> Option<&Upload> {
if cache.batch.is_empty() {
return None;
}
self.uploads.get(&cache.id)
}
fn prepare(
@ -90,8 +98,9 @@ impl Storage {
hash_map::Entry::Occupied(entry) => {
let upload = entry.into_mut();
if upload.version != cache.version
|| upload.transformation != new_transformation
if !cache.batch.is_empty()
&& (upload.version != cache.version
|| upload.transformation != new_transformation)
{
upload.layer.prepare(
device,
@ -125,6 +134,12 @@ impl Storage {
transformation: new_transformation,
version: 0,
});
log::info!(
"New mesh upload: {} (total: {})",
cache.id.0,
self.uploads.len()
);
}
}
@ -247,7 +262,7 @@ impl Pipeline {
transformation,
cache,
} => {
let upload = storage.get(cache.id)?;
let upload = storage.get(cache)?;
Some((
&upload.layer,