extract Queue.maintain

wgpu-core/src/device/queue.rs

@@ -21,6 +21,7 @@ use crate::{
         ParentDevice, ResourceErrorIdent, StagingBuffer, Texture, TextureInner, Trackable,
     },
     resource_log,
+    snatch::SnatchGuard,
     track::{self, Tracker, TrackerIndex},
     FastHashMap, SubmissionIndex,
 };
@@ -107,6 +108,26 @@ impl Queue {
     pub(crate) fn lock_life<'a>(&'a self) -> MutexGuard<'a, LifetimeTracker> {
         self.life_tracker.lock()
     }
+
+    pub(crate) fn maintain(
+        &self,
+        submission_index: u64,
+        snatch_guard: &SnatchGuard,
+    ) -> (
+        SmallVec<[SubmittedWorkDoneClosure; 1]>,
+        Vec<super::BufferMapPendingClosure>,
+        bool,
+    ) {
+        let mut life_tracker = self.lock_life();
+        let submission_closures =
+            life_tracker.triage_submissions(submission_index, &self.device.command_allocator);
+
+        let mapping_closures = life_tracker.handle_mapping(snatch_guard);
+
+        let queue_empty = life_tracker.queue_empty();
+
+        (submission_closures, mapping_closures, queue_empty)
+    }
 }
 
 crate::impl_resource_type!(Queue);
@@ -1505,7 +1526,7 @@ fn validate_command_buffer(
     command_buffer: &CommandBuffer,
     queue: &Queue,
     cmd_buf_data: &crate::command::CommandBufferMutable,
-    snatch_guard: &crate::snatch::SnatchGuard<'_>,
+    snatch_guard: &SnatchGuard,
     submit_surface_textures_owned: &mut FastHashMap<*const Texture, Arc<Texture>>,
     used_surface_textures: &mut track::TextureUsageScope,
 ) -> Result<(), QueueSubmitError> {

wgpu-core/src/device/resource.rs

@@ -443,15 +443,7 @@ impl Device {
 
         let (submission_closures, mapping_closures, queue_empty) =
             if let Some(queue) = self.get_queue() {
-                let mut life_tracker = queue.lock_life();
+                queue.maintain(submission_index, &snatch_guard)
-                let submission_closures =
-                    life_tracker.triage_submissions(submission_index, &self.command_allocator);
-
-                let mapping_closures = life_tracker.handle_mapping(&snatch_guard);
-
-                let queue_empty = life_tracker.queue_empty();
-
-                (submission_closures, mapping_closures, queue_empty)
             } else {
                 (SmallVec::new(), Vec::new(), true)
             };