Fix tracking of the set_sub_data service command buffer

Author: kvark

src/command/render.rs

@@ -212,7 +212,7 @@ pub extern "C" fn wgpu_render_pass_set_pipeline(
 
     let pipeline_layout_guard = HUB.pipeline_layouts.read();
     let pipeline_layout = &pipeline_layout_guard[pipeline.layout_id];
-    let bing_group_guard = HUB.bind_groups.read();
+    let bind_group_guard = HUB.bind_groups.read();
 
     pass.binder.pipeline_layout_id = Some(pipeline.layout_id.clone());
     pass.binder.ensure_length(pipeline_layout.bind_group_layout_ids.len());
@@ -223,7 +223,7 @@ pub extern "C" fn wgpu_render_pass_set_pipeline(
         .enumerate()
     {
         if let Some(bg_id) = entry.expect_layout(bgl_id) {
-            let desc_set = &bing_group_guard[bg_id].raw;
+            let desc_set = &bind_group_guard[bg_id].raw;
             unsafe {
                 pass.raw.bind_graphics_descriptor_sets(
                     &pipeline_layout.raw,

src/device.rs

@@ -1659,7 +1659,12 @@ pub extern "C" fn wgpu_buffer_set_sub_data(
             range: None .. None, //TODO: could be partial
         });
 
+    // Note: this is not pretty. If we need one-time service command buffers,
+    // we'll need to have some internal abstractions for them to be safe.
     let mut comb = device.com_allocator.allocate(buffer.device_id.clone(), &device.raw);
+    // mark as used by the next submission, conservatively
+    let last_submit_index = device.life_guard.submission_index.load(Ordering::Acquire);
+    comb.life_guard.submission_index.store(last_submit_index + 1, Ordering::Release);
     unsafe {
         let raw = comb.raw.last_mut().unwrap();
         raw.begin(