ArcComputePassDescriptor

Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com>

deno_webgpu/command_encoder.rs

@@ -268,7 +268,7 @@ pub fn op_webgpu_command_encoder_begin_compute_pass(
     let command_encoder = &command_encoder_resource.1;
     let descriptor = wgpu_core::command::ComputePassDescriptor {
         label: Some(label),
-        timestamp_writes: timestamp_writes.as_ref(),
+        timestamp_writes,
     };
 
     let (compute_pass, error) =

wgpu-core/src/command/compute.rs

@@ -60,7 +60,7 @@ impl ComputePass {
         } = desc;
 
         Self {
-            base: Some(BasePass::new(label)),
+            base: Some(BasePass::new(&label)),
             parent,
             timestamp_writes,
 
@@ -95,17 +95,13 @@ impl fmt::Debug for ComputePass {
 }
 
 #[derive(Clone, Debug, Default)]
-pub struct ComputePassDescriptor<'a> {
+pub struct ComputePassDescriptor<'a, PTW = PassTimestampWrites> {
     pub label: Label<'a>,
     /// Defines where and when timestamp values will be written for this pass.
-    pub timestamp_writes: Option<&'a PassTimestampWrites>,
+    pub timestamp_writes: Option<PTW>,
 }
 
-struct ArcComputePassDescriptor<'a> {
-    pub label: &'a Label<'a>,
-    /// Defines where and when timestamp values will be written for this pass.
-    pub timestamp_writes: Option<ArcPassTimestampWrites>,
-}
+type ArcComputePassDescriptor<'a> = ComputePassDescriptor<'a, ArcPassTimestampWrites>;
 
 #[derive(Clone, Debug, Error)]
 #[non_exhaustive]
@@ -292,7 +288,7 @@ impl Global {
         let hub = &self.hub;
 
         let mut arc_desc = ArcComputePassDescriptor {
-            label: &desc.label,
+            label: desc.label.as_deref().map(std::borrow::Cow::Borrowed),
             timestamp_writes: None, // Handle only once we resolved the encoder.
         };
 
@@ -307,6 +303,7 @@ impl Global {
 
         arc_desc.timestamp_writes = match desc
             .timestamp_writes
+            .as_ref()
             .map(|tw| {
                 Self::validate_pass_timestamp_writes(&cmd_buf.device, &hub.query_sets.read(), tw)
             })
@@ -366,7 +363,7 @@ impl Global {
             encoder_id,
             &ComputePassDescriptor {
                 label: label.as_deref().map(std::borrow::Cow::Borrowed),
-                timestamp_writes,
+                timestamp_writes: timestamp_writes.cloned(),
             },
         );
         if let Some(err) = encoder_error {

wgpu/src/backend/wgpu_core.rs

@@ -2210,7 +2210,7 @@ impl dispatch::CommandEncoderInterface for CoreCommandEncoder {
             self.id,
             &wgc::command::ComputePassDescriptor {
                 label: desc.label.map(Borrowed),
-                timestamp_writes: timestamp_writes.as_ref(),
+                timestamp_writes,
             },
         );