wgpu_core/init_tracker/
buffer.rs

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1use super::{InitTracker, MemoryInitKind};
2use crate::resource::Buffer;
3use alloc::sync::Arc;
4use core::ops::Range;
5
6#[derive(Debug, Clone)]
7pub(crate) struct BufferInitTrackerAction {
8    pub buffer: Arc<Buffer>,
9    pub range: Range<wgt::BufferAddress>,
10    pub kind: MemoryInitKind,
11}
12
13pub(crate) type BufferInitTracker = InitTracker<wgt::BufferAddress>;
14
15impl BufferInitTracker {
16    /// Checks if an action has/requires any effect on the initialization status
17    /// and shrinks its range if possible.
18    pub(crate) fn check_action(
19        &self,
20        action: &BufferInitTrackerAction,
21    ) -> Option<BufferInitTrackerAction> {
22        self.create_action(&action.buffer, action.range.clone(), action.kind)
23    }
24
25    /// Creates an action if it would have any effect on the initialization
26    /// status and shrinks the range if possible.
27    pub(crate) fn create_action(
28        &self,
29        buffer: &Arc<Buffer>,
30        query_range: Range<wgt::BufferAddress>,
31        kind: MemoryInitKind,
32    ) -> Option<BufferInitTrackerAction> {
33        self.check(query_range)
34            .map(|range| BufferInitTrackerAction {
35                buffer: buffer.clone(),
36                range,
37                kind,
38            })
39    }
40}
wgpu_core/init_tracker/buffer.rs

wgpu_core/init_tracker/
buffer.rs
