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remove stale weak refs before insert view/bind_groups

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This commit is contained in:
XiaoPeng 2024-06-25 22:09:52 +08:00 committed by Nicolas Silva
parent 3d5d7dec02
commit 82210e1cdc
2 changed files with 17 additions and 29 deletions
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18
wgpu-core/src/device/global.rs
View File

@ -841,6 +841,10 @@ impl Global {
{
let mut views = texture.views.lock();
// Remove stale weak references
views.retain(|view| view.strong_count() > 0);
views.push(Arc::downgrade(&resource));
}
@ -1162,10 +1166,20 @@ impl Global {
let weak_ref = Arc::downgrade(&resource);
for range in &resource.used_texture_ranges {
range.texture.bind_groups.lock().push(weak_ref.clone());
let mut bind_groups = range.texture.bind_groups.lock();
// Remove stale weak references
bind_groups.retain(|bg| bg.strong_count() > 0);
bind_groups.push(weak_ref.clone());
}
for range in &resource.used_buffer_ranges {
range.buffer.bind_groups.lock().push(weak_ref.clone());
let mut bind_groups = range.buffer.bind_groups.lock();
// Remove stale weak references
bind_groups.retain(|bg| bg.strong_count() > 0);
bind_groups.push(weak_ref.clone());
}
api_log!("Device::create_bind_group -> {id:?}");

28
wgpu-core/src/device/life.rs
View File

@ -595,7 +595,7 @@ impl<A: HalApi> LifetimeTracker<A> {
fn triage_suspected_texture_views(&mut self, trackers: &Mutex<Tracker<A>>) -> &mut Self {
let mut trackers = trackers.lock();
let suspected_texture_views = &mut self.suspected_resources.texture_views;
let removed_views = Self::triage_resources(
Self::triage_resources(
suspected_texture_views,
self.active.as_mut_slice(),
&mut trackers.views,
@ -607,12 +607,6 @@ impl<A: HalApi> LifetimeTracker<A> {
// `LifetimeTracker::suspected_resources` it remains there until it's
// actually dropped, which for long-lived textures could be at the end
// of execution.
for view in removed_views {
view.parent
.views
.lock()
.retain(|view| view.strong_count() > 1);
}
self
}
@ -625,18 +619,6 @@ impl<A: HalApi> LifetimeTracker<A> {
&mut trackers.textures,
|maps| &mut maps.textures,
);
// We may have been suspected because a texture view or bind group
// referring to us was dropped. Remove stale weak references, so that
// the backlink table doesn't grow without bound.
for texture in self.suspected_resources.textures.values() {
texture.views.lock().retain(|view| view.strong_count() > 0);
texture
.bind_groups
.lock()
.retain(|bg| bg.strong_count() > 0);
}
self
}
@ -661,14 +643,6 @@ impl<A: HalApi> LifetimeTracker<A> {
&mut trackers.buffers,
|maps| &mut maps.buffers,
);
// We may have been suspected because a bind group referring to us was
// dropped. Remove stale weak references, so that the backlink table
// doesn't grow without bound.
for buffer in self.suspected_resources.buffers.values() {
buffer.bind_groups.lock().retain(|bg| bg.strong_count() > 0);
}
self
}