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nuke user specializers

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This commit is contained in:
Emerson Coskey 2025-07-13 21:05:39 -07:00
parent 33fcee8393
commit f1ccd01381
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2 changed files with 3 additions and 22 deletions
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22
crates/bevy_render/src/render_resource/specializer.rs
View File

@ -256,34 +256,22 @@ macro_rules! impl_specialization_key_tuple {
// TODO: How to we fake_variadics this?
all_tuples!(impl_specialization_key_tuple, 0, 12, T);
pub type SpecializerFn<T, S> =
fn(<S as Specializer<T>>::Key, &mut <T as Specializable>::Descriptor) -> Result<(), BevyError>;
/// A cache for specializable resources. For a given key type the resulting
/// resource will only be created if it is missing, retrieving it from the
/// cache otherwise.
pub struct SpecializedCache<T: Specializable, S: Specializer<T>> {
specializer: S,
user_specializer: Option<SpecializerFn<T, S>>,
base_descriptor: T::Descriptor,
primary_cache: HashMap<S::Key, T::CachedId>,
secondary_cache: HashMap<Canonical<S::Key>, T::CachedId>,
}
impl<T: Specializable, S: Specializer<T>> SpecializedCache<T, S> {
/// Creates a new [`SpecializedCache`] from a [`Specializer`],
/// an optional "user specializer", and a base descriptor. The
/// user specializer is applied after the [`Specializer`], with
/// the same key.
/// Creates a new [`SpecializedCache`] from a [`Specializer`] and a base descriptor.
#[inline]
pub fn new(
specializer: S,
user_specializer: Option<SpecializerFn<T, S>>,
base_descriptor: T::Descriptor,
) -> Self {
pub fn new(specializer: S, base_descriptor: T::Descriptor) -> Self {
Self {
specializer,
user_specializer,
base_descriptor,
primary_cache: Default::default(),
secondary_cache: Default::default(),
@ -302,7 +290,6 @@ impl<T: Specializable, S: Specializer<T>> SpecializedCache<T, S> {
Entry::Occupied(entry) => Ok(entry.get().clone()),
Entry::Vacant(entry) => Self::specialize_slow(
&self.specializer,
self.user_specializer,
self.base_descriptor.clone(),
pipeline_cache,
key,
@ -315,7 +302,6 @@ impl<T: Specializable, S: Specializer<T>> SpecializedCache<T, S> {
#[cold]
fn specialize_slow(
specializer: &S,
user_specializer: Option<SpecializerFn<T, S>>,
base_descriptor: T::Descriptor,
pipeline_cache: &PipelineCache,
key: S::Key,
@ -325,10 +311,6 @@ impl<T: Specializable, S: Specializer<T>> SpecializedCache<T, S> {
let mut descriptor = base_descriptor.clone();
let canonical_key = specializer.specialize(key.clone(), &mut descriptor)?;
if let Some(user_specializer) = user_specializer {
(user_specializer)(key, &mut descriptor)?;
}
// if the whole key is canonical, the secondary cache isn't needed.
if <S::Key as SpecializerKey>::IS_CANONICAL {
return Ok(primary_entry

3
examples/shader/custom_phase_item.rs
View File

@ -336,8 +336,7 @@ impl FromWorld for CustomPhasePipeline {
..default()
};
let specialized_cache =
SpecializedCache::new(CustomPhaseSpecializer, None, base_descriptor);
let specialized_cache = SpecializedCache::new(CustomPhaseSpecializer, base_descriptor);
Self { specialized_cache }
}