remove unnecessary PhantomData

wgpu-core/src/command/query.rs

@@ -15,20 +15,18 @@ use crate::{
     track::{StatelessTracker, TrackerIndex},
     FastHashMap,
 };
-use std::{iter, marker::PhantomData, sync::Arc};
+use std::{iter, sync::Arc};
 use thiserror::Error;
 use wgt::BufferAddress;
 
 #[derive(Debug)]
 pub(crate) struct QueryResetMap<A: HalApi> {
     map: FastHashMap<TrackerIndex, (Vec<bool>, Arc<QuerySet<A>>)>,
-    _phantom: PhantomData<A>,
 }
 impl<A: HalApi> QueryResetMap<A> {
     pub fn new() -> Self {
         Self {
             map: FastHashMap::default(),
-            _phantom: PhantomData,
         }
     }
 

wgpu-core/src/track/buffer.rs

@@ -5,7 +5,7 @@
  * one subresource, they have no selector.
 !*/
 
-use std::{marker::PhantomData, sync::Arc};
+use std::sync::Arc;
 
 use super::{PendingTransition, TrackerIndex};
 use crate::{
@@ -43,15 +43,11 @@ impl ResourceUses for BufferUses {
 #[derive(Debug)]
 pub(crate) struct BufferBindGroupState<A: HalApi> {
     buffers: Mutex<Vec<(Arc<Buffer<A>>, BufferUses)>>,
-
-    _phantom: PhantomData<A>,
 }
 impl<A: HalApi> BufferBindGroupState<A> {
     pub fn new() -> Self {
         Self {
             buffers: Mutex::new(rank::BUFFER_BIND_GROUP_STATE_BUFFERS, Vec::new()),
-
-            _phantom: PhantomData,
         }
     }
 

wgpu-core/src/track/texture.rs

@@ -37,7 +37,7 @@ use naga::FastHashMap;
 
 use wgt::{strict_assert, strict_assert_eq};
 
-use std::{iter, marker::PhantomData, ops::Range, sync::Arc, vec::Drain};
+use std::{iter, ops::Range, sync::Arc, vec::Drain};
 
 /// Specifies a particular set of subresources in a texture.
 #[derive(Clone, Debug, PartialEq, Eq)]
@@ -378,8 +378,6 @@ pub(crate) struct TextureTracker<A: HalApi> {
     metadata: ResourceMetadata<Arc<Texture<A>>>,
 
     temp: Vec<PendingTransition<TextureUses>>,
-
-    _phantom: PhantomData<A>,
 }
 
 impl<A: HalApi> TextureTracker<A> {
@@ -391,8 +389,6 @@ impl<A: HalApi> TextureTracker<A> {
             metadata: ResourceMetadata::new(),
 
             temp: Vec::new(),
-
-            _phantom: PhantomData,
         }
     }