Expose the vk::Queue and the queue index in the Vulkan hal.

CHANGELOG.md

@@ -93,6 +93,7 @@ the same every time it is rendered, we now warn if it is missing.
 
 #### Vulkan
 - Remove use of Vulkan12Features/Properties types. By @i509VCB in [#2936](https://github.com/gfx-rs/wgpu/pull/2936)
+- Provide a means for `wgpu` users to access `vk::Queue` and the queue index. By @anlumo in [#2950](https://github.com/gfx-rs/wgpu/pull/2950)
 
 ### Documentation
 

wgpu-hal/src/vulkan/adapter.rs

@@ -1181,6 +1181,8 @@ impl super::Adapter {
  let shared = Arc::new(super::DeviceShared {
  raw: raw_device,
  family_index,
+ queue_index,
+ raw_queue,
  handle_is_owned,
  instance: Arc::clone(&self.instance),
  physical_device: self.raw,

wgpu-hal/src/vulkan/device.rs

@@ -714,6 +714,10 @@ impl super::Device {
  self.shared.family_index
  }
 
+ pub fn queue_index(&self) -> u32 {
+ self.shared.queue_index
+ }
+
  pub fn raw_device(&self) -> &ash::Device {
  &self.shared.raw
  }
@@ -722,6 +726,10 @@ impl super::Device {
  self.shared.physical_device
  }
 
+ pub fn raw_queue(&self) -> ash::vk::Queue {
+ self.shared.raw_queue
+ }
+
  pub fn enabled_device_extensions(&self) -> &[&'static CStr] {
  &self.shared.enabled_extensions
  }

wgpu-hal/src/vulkan/mod.rs

@@ -296,6 +296,8 @@ impl UpdateAfterBindTypes {
 struct DeviceShared {
  raw: ash::Device,
  family_index: u32,
+ queue_index: u32,
+ raw_queue: ash::vk::Queue,
  handle_is_owned: bool,
  instance: Arc<InstanceShared>,
  physical_device: ash::vk::PhysicalDevice,