From 1e784c9c0af7a785b62e3b6840ed012a7477520f Mon Sep 17 00:00:00 2001
From: teoxoy <28601907+teoxoy@users.noreply.github.com>
Date: Thu, 20 Jun 2024 14:17:12 +0200
Subject: [PATCH] use `TrackerIndex` instead of IDs in `PendingWrites`'s fields

---
 wgpu-core/src/device/global.rs |  6 ++----
 wgpu-core/src/device/queue.rs  | 35 ++++++++++++++++++++++++++--------
 wgpu-core/src/resource.rs      | 12 +++++-------
 3 files changed, 34 insertions(+), 19 deletions(-)

diff --git a/wgpu-core/src/device/global.rs b/wgpu-core/src/device/global.rs
index 77e158790..bb3207f30 100644
--- a/wgpu-core/src/device/global.rs
+++ b/wgpu-core/src/device/global.rs
@@ -519,8 +519,7 @@ impl Global {
             .lock()
             .as_ref()
             .unwrap()
-            .dst_buffers
-            .contains_key(&buffer_id)
+            .contains_buffer(&buffer)
         {
             device.lock_life().future_suspected_buffers.push(buffer);
         } else {
@@ -744,8 +743,7 @@ impl Global {
                     .lock()
                     .as_ref()
                     .unwrap()
-                    .dst_textures
-                    .contains_key(&texture_id)
+                    .contains_texture(&texture)
                 {
                     device
                         .lock_life()
diff --git a/wgpu-core/src/device/queue.rs b/wgpu-core/src/device/queue.rs
index d22c30b71..5a890c2e0 100644
--- a/wgpu-core/src/device/queue.rs
+++ b/wgpu-core/src/device/queue.rs
@@ -20,7 +20,9 @@ use crate::{
         DestroyedTexture, ParentDevice, Resource, ResourceErrorIdent, ResourceInfo, ResourceType,
         StagingBuffer, Texture, TextureInner,
     },
-    resource_log, track, FastHashMap, SubmissionIndex,
+    resource_log,
+    track::{self, TrackerIndex},
+    FastHashMap, SubmissionIndex,
 };
 
 use hal::{CommandEncoder as _, Device as _, Queue as _};
@@ -211,9 +213,9 @@ pub(crate) struct PendingWrites<A: HalApi> {
     /// [`wgpu_hal::CommandEncoder`]: hal::CommandEncoder
     pub is_recording: bool,
 
-    pub temp_resources: Vec<TempResource<A>>,
-    pub dst_buffers: FastHashMap<id::BufferId, Arc<Buffer<A>>>,
-    pub dst_textures: FastHashMap<id::TextureId, Arc<Texture<A>>>,
+    temp_resources: Vec<TempResource<A>>,
+    dst_buffers: FastHashMap<TrackerIndex, Arc<Buffer<A>>>,
+    dst_textures: FastHashMap<TrackerIndex, Arc<Texture<A>>>,
 
     /// All command buffers allocated from `command_encoder`.
     pub executing_command_buffers: Vec<A::CommandBuffer>,
@@ -244,6 +246,25 @@ impl<A: HalApi> PendingWrites<A> {
         self.temp_resources.clear();
     }
 
+    pub fn insert_buffer(&mut self, buffer: &Arc<Buffer<A>>) {
+        self.dst_buffers
+            .insert(buffer.info.tracker_index(), buffer.clone());
+    }
+
+    pub fn insert_texture(&mut self, texture: &Arc<Texture<A>>) {
+        self.dst_textures
+            .insert(texture.info.tracker_index(), texture.clone());
+    }
+
+    pub fn contains_buffer(&self, buffer: &Arc<Buffer<A>>) -> bool {
+        self.dst_buffers.contains_key(&buffer.info.tracker_index())
+    }
+
+    pub fn contains_texture(&self, texture: &Arc<Texture<A>>) -> bool {
+        self.dst_textures
+            .contains_key(&texture.info.tracker_index())
+    }
+
     pub fn consume_temp(&mut self, resource: TempResource<A>) {
         self.temp_resources.push(resource);
     }
@@ -647,7 +668,7 @@ impl Global {
             );
         }
 
-        pending_writes.dst_buffers.insert(buffer_id, dst.clone());
+        pending_writes.insert_buffer(&dst);
 
         // Ensure the overwritten bytes are marked as initialized so
         // they don't need to be nulled prior to mapping or binding.
@@ -916,9 +937,7 @@ impl Global {
         }
 
         pending_writes.consume(staging_buffer);
-        pending_writes
-            .dst_textures
-            .insert(destination.texture, dst.clone());
+        pending_writes.insert_texture(&dst);
 
         Ok(())
     }
diff --git a/wgpu-core/src/resource.rs b/wgpu-core/src/resource.rs
index 4b9901c3a..9949ec47e 100644
--- a/wgpu-core/src/resource.rs
+++ b/wgpu-core/src/resource.rs
@@ -702,9 +702,7 @@ impl<A: HalApi> Buffer<A> {
                     }
                 }
                 pending_writes.consume_temp(queue::TempResource::Buffer(stage_buffer));
-                pending_writes
-                    .dst_buffers
-                    .insert(self.info.id(), self.clone());
+                pending_writes.insert_buffer(self);
             }
             BufferMapState::Idle => {
                 return Err(BufferAccessError::NotMapped);
@@ -775,8 +773,8 @@ impl<A: HalApi> Buffer<A> {
 
         let mut pending_writes = device.pending_writes.lock();
         let pending_writes = pending_writes.as_mut().unwrap();
-        if pending_writes.dst_buffers.contains_key(&self.info.id()) {
-            pending_writes.temp_resources.push(temp);
+        if pending_writes.contains_buffer(self) {
+            pending_writes.consume_temp(temp);
         } else {
             let last_submit_index = self.info.submission_index();
             device
@@ -1167,8 +1165,8 @@ impl<A: HalApi> Texture<A> {
 
         let mut pending_writes = device.pending_writes.lock();
         let pending_writes = pending_writes.as_mut().unwrap();
-        if pending_writes.dst_textures.contains_key(&self.info.id()) {
-            pending_writes.temp_resources.push(temp);
+        if pending_writes.contains_texture(self) {
+            pending_writes.consume_temp(temp);
         } else {
             let last_submit_index = self.info.submission_index();
             device