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[naga] Use HandleVec in Layouter.

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Change `naga::proc::layouter::Layouter::layouts` to be a `HandleVec`,
not a `Vec`.
This commit is contained in:
Jim Blandy 2024-06-22 23:58:20 -07:00 committed by Teodor Tanasoaia
parent 9f0a7cb184
commit afc8e38fc1
1 changed files with 5 additions and 7 deletions
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12
naga/src/proc/layouter.rs
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@ -1,4 +1,4 @@
use crate::arena::Handle;
use crate::arena::{Handle, HandleVec};
use std::{fmt::Display, num::NonZeroU32, ops};
/// A newtype struct where its only valid values are powers of 2
@ -108,17 +108,15 @@ impl TypeLayout {
///
/// [WGSL §4.3.7, "Memory Layout"](https://gpuweb.github.io/gpuweb/wgsl/#memory-layouts)
#[derive(Debug, Default)]
#[cfg_attr(feature = "serialize", derive(serde::Serialize))]
#[cfg_attr(feature = "deserialize", derive(serde::Deserialize))]
pub struct Layouter {
/// Layouts for types in an arena, indexed by `Handle` index.
layouts: Vec<TypeLayout>,
/// Layouts for types in an arena.
layouts: HandleVec<crate::Type, TypeLayout>,
}
impl ops::Index<Handle<crate::Type>> for Layouter {
type Output = TypeLayout;
fn index(&self, handle: Handle<crate::Type>) -> &TypeLayout {
&self.layouts[handle.index()]
&self.layouts[handle]
}
}
@ -243,7 +241,7 @@ impl Layouter {
},
};
debug_assert!(size <= layout.size);
self.layouts.push(layout);
self.layouts.insert(ty_handle, layout);
}
Ok(())