diff --git a/Cargo.lock b/Cargo.lock
index d6bb92baf4..2da1f79998 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -476,7 +476,7 @@ dependencies = [
 [[package]]
 name = "gfx-auxil"
 version = "0.5.0"
-source = "git+https://github.com/gfx-rs/gfx?rev=696947377a0ce5ba8a15a2e06ff97ed69c04f00a#696947377a0ce5ba8a15a2e06ff97ed69c04f00a"
+source = "git+https://github.com/gfx-rs/gfx?rev=477f17957a54d024f0077584b68e308376cb05c6#477f17957a54d024f0077584b68e308376cb05c6"
 dependencies = [
  "fxhash",
  "gfx-hal",
@@ -486,7 +486,7 @@ dependencies = [
 [[package]]
 name = "gfx-backend-dx11"
 version = "0.6.0"
-source = "git+https://github.com/gfx-rs/gfx?rev=696947377a0ce5ba8a15a2e06ff97ed69c04f00a#696947377a0ce5ba8a15a2e06ff97ed69c04f00a"
+source = "git+https://github.com/gfx-rs/gfx?rev=477f17957a54d024f0077584b68e308376cb05c6#477f17957a54d024f0077584b68e308376cb05c6"
 dependencies = [
  "arrayvec",
  "bitflags",
@@ -507,7 +507,7 @@ dependencies = [
 [[package]]
 name = "gfx-backend-dx12"
 version = "0.6.2"
-source = "git+https://github.com/gfx-rs/gfx?rev=696947377a0ce5ba8a15a2e06ff97ed69c04f00a#696947377a0ce5ba8a15a2e06ff97ed69c04f00a"
+source = "git+https://github.com/gfx-rs/gfx?rev=477f17957a54d024f0077584b68e308376cb05c6#477f17957a54d024f0077584b68e308376cb05c6"
 dependencies = [
  "arrayvec",
  "bit-set",
@@ -527,7 +527,7 @@ dependencies = [
 [[package]]
 name = "gfx-backend-empty"
 version = "0.6.0"
-source = "git+https://github.com/gfx-rs/gfx?rev=696947377a0ce5ba8a15a2e06ff97ed69c04f00a#696947377a0ce5ba8a15a2e06ff97ed69c04f00a"
+source = "git+https://github.com/gfx-rs/gfx?rev=477f17957a54d024f0077584b68e308376cb05c6#477f17957a54d024f0077584b68e308376cb05c6"
 dependencies = [
  "gfx-hal",
  "log",
@@ -537,7 +537,7 @@ dependencies = [
 [[package]]
 name = "gfx-backend-gl"
 version = "0.6.0"
-source = "git+https://github.com/gfx-rs/gfx?rev=696947377a0ce5ba8a15a2e06ff97ed69c04f00a#696947377a0ce5ba8a15a2e06ff97ed69c04f00a"
+source = "git+https://github.com/gfx-rs/gfx?rev=477f17957a54d024f0077584b68e308376cb05c6#477f17957a54d024f0077584b68e308376cb05c6"
 dependencies = [
  "arrayvec",
  "bitflags",
@@ -551,7 +551,6 @@ dependencies = [
  "naga",
  "parking_lot",
  "raw-window-handle",
- "smallvec",
  "spirv_cross",
  "wasm-bindgen",
  "web-sys",
@@ -560,7 +559,7 @@ dependencies = [
 [[package]]
 name = "gfx-backend-metal"
 version = "0.6.0"
-source = "git+https://github.com/gfx-rs/gfx?rev=696947377a0ce5ba8a15a2e06ff97ed69c04f00a#696947377a0ce5ba8a15a2e06ff97ed69c04f00a"
+source = "git+https://github.com/gfx-rs/gfx?rev=477f17957a54d024f0077584b68e308376cb05c6#477f17957a54d024f0077584b68e308376cb05c6"
 dependencies = [
  "arrayvec",
  "bitflags",
@@ -584,7 +583,7 @@ dependencies = [
 [[package]]
 name = "gfx-backend-vulkan"
 version = "0.6.5"
-source = "git+https://github.com/gfx-rs/gfx?rev=696947377a0ce5ba8a15a2e06ff97ed69c04f00a#696947377a0ce5ba8a15a2e06ff97ed69c04f00a"
+source = "git+https://github.com/gfx-rs/gfx?rev=477f17957a54d024f0077584b68e308376cb05c6#477f17957a54d024f0077584b68e308376cb05c6"
 dependencies = [
  "arrayvec",
  "ash",
@@ -604,7 +603,7 @@ dependencies = [
 [[package]]
 name = "gfx-hal"
 version = "0.6.0"
-source = "git+https://github.com/gfx-rs/gfx?rev=696947377a0ce5ba8a15a2e06ff97ed69c04f00a#696947377a0ce5ba8a15a2e06ff97ed69c04f00a"
+source = "git+https://github.com/gfx-rs/gfx?rev=477f17957a54d024f0077584b68e308376cb05c6#477f17957a54d024f0077584b68e308376cb05c6"
 dependencies = [
  "bitflags",
  "naga",
@@ -768,7 +767,7 @@ dependencies = [
 [[package]]
 name = "khronos-egl"
 version = "3.0.0-beta"
-source = "git+https://github.com/timothee-haudebourg/khronos-egl?rev=9568b2ee3b02f2c17cc9479f824db16daecf1664#9568b2ee3b02f2c17cc9479f824db16daecf1664"
+source = "git+https://github.com/timothee-haudebourg/khronos-egl?rev=4b769b8f2d068fa78db9285a8557cd11365fa314#4b769b8f2d068fa78db9285a8557cd11365fa314"
 dependencies = [
  "libc",
  "libloading",
@@ -1197,7 +1196,7 @@ dependencies = [
 [[package]]
 name = "range-alloc"
 version = "0.1.1"
-source = "git+https://github.com/gfx-rs/gfx?rev=696947377a0ce5ba8a15a2e06ff97ed69c04f00a#696947377a0ce5ba8a15a2e06ff97ed69c04f00a"
+source = "git+https://github.com/gfx-rs/gfx?rev=477f17957a54d024f0077584b68e308376cb05c6#477f17957a54d024f0077584b68e308376cb05c6"
 
 [[package]]
 name = "raw-window-handle"
diff --git a/wgpu-core/Cargo.toml b/wgpu-core/Cargo.toml
index 9a67bc386e..80bc879839 100644
--- a/wgpu-core/Cargo.toml
+++ b/wgpu-core/Cargo.toml
@@ -36,24 +36,24 @@ thiserror = "1"
 gpu-alloc = { git = "https://github.com/zakarumych/gpu-alloc", rev = "15f4fe2cebbd0bf9ab446757a8e370e0adf4c502", features = ["tracing"] }
 gpu-descriptor = { git = "https://github.com/zakarumych/gpu-descriptor", rev = "aa092613889f03f8254d6f7278d08c655324c7c7", features = ["tracing"] }
 
-hal = { package = "gfx-hal", git = "https://github.com/gfx-rs/gfx", rev = "696947377a0ce5ba8a15a2e06ff97ed69c04f00a" }
-gfx-backend-empty = { git = "https://github.com/gfx-rs/gfx", rev = "696947377a0ce5ba8a15a2e06ff97ed69c04f00a" }
+hal = { package = "gfx-hal", git = "https://github.com/gfx-rs/gfx", rev = "477f17957a54d024f0077584b68e308376cb05c6" }
+gfx-backend-empty = { git = "https://github.com/gfx-rs/gfx", rev = "477f17957a54d024f0077584b68e308376cb05c6" }
 
 [target.'cfg(all(not(target_arch = "wasm32"), all(unix, not(target_os = "ios"), not(target_os = "macos"))))'.dependencies]
-gfx-backend-vulkan = { git = "https://github.com/gfx-rs/gfx", rev = "696947377a0ce5ba8a15a2e06ff97ed69c04f00a", features = ["naga"] }
-gfx-backend-gl = { git = "https://github.com/gfx-rs/gfx", rev = "696947377a0ce5ba8a15a2e06ff97ed69c04f00a", features = ["naga"] }
+gfx-backend-vulkan = { git = "https://github.com/gfx-rs/gfx", rev = "477f17957a54d024f0077584b68e308376cb05c6", features = ["naga"] }
+gfx-backend-gl = { git = "https://github.com/gfx-rs/gfx", rev = "477f17957a54d024f0077584b68e308376cb05c6", features = ["naga"] }
 
 [target.'cfg(all(not(target_arch = "wasm32"), any(target_os = "ios", target_os = "macos")))'.dependencies]
-gfx-backend-metal = { git = "https://github.com/gfx-rs/gfx", rev = "696947377a0ce5ba8a15a2e06ff97ed69c04f00a", features = ["naga"] }
-gfx-backend-vulkan = { git = "https://github.com/gfx-rs/gfx", rev = "696947377a0ce5ba8a15a2e06ff97ed69c04f00a", optional = true }
+gfx-backend-metal = { git = "https://github.com/gfx-rs/gfx", rev = "477f17957a54d024f0077584b68e308376cb05c6", features = ["naga"] }
+gfx-backend-vulkan = { git = "https://github.com/gfx-rs/gfx", rev = "477f17957a54d024f0077584b68e308376cb05c6", optional = true }
 
 [target.'cfg(all(not(target_arch = "wasm32"), windows))'.dependencies]
-gfx-backend-dx12 = { git = "https://github.com/gfx-rs/gfx", rev = "696947377a0ce5ba8a15a2e06ff97ed69c04f00a" }
-gfx-backend-dx11 = { git = "https://github.com/gfx-rs/gfx", rev = "696947377a0ce5ba8a15a2e06ff97ed69c04f00a" }
-gfx-backend-vulkan = { git = "https://github.com/gfx-rs/gfx", rev = "696947377a0ce5ba8a15a2e06ff97ed69c04f00a", features = ["naga"] }
+gfx-backend-dx12 = { git = "https://github.com/gfx-rs/gfx", rev = "477f17957a54d024f0077584b68e308376cb05c6" }
+gfx-backend-dx11 = { git = "https://github.com/gfx-rs/gfx", rev = "477f17957a54d024f0077584b68e308376cb05c6" }
+gfx-backend-vulkan = { git = "https://github.com/gfx-rs/gfx", rev = "477f17957a54d024f0077584b68e308376cb05c6", features = ["naga"] }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
-gfx-backend-gl = { git = "https://github.com/gfx-rs/gfx", rev = "696947377a0ce5ba8a15a2e06ff97ed69c04f00a", features = ["naga"] }
+gfx-backend-gl = { git = "https://github.com/gfx-rs/gfx", rev = "477f17957a54d024f0077584b68e308376cb05c6", features = ["naga"] }
 
 [dependencies.naga]
 git = "https://github.com/gfx-rs/naga"
diff --git a/wgpu-core/src/command/bundle.rs b/wgpu-core/src/command/bundle.rs
index e8ba2b5433..c529b7c464 100644
--- a/wgpu-core/src/command/bundle.rs
+++ b/wgpu-core/src/command/bundle.rs
@@ -555,7 +555,7 @@ impl RenderBundle {
                         &pipeline_layout_guard[pipeline_layout_id.unwrap()].raw,
                         index as usize,
                         iter::once(bind_group.raw.raw()),
-                        &offsets[..num_dynamic_offsets as usize],
+                        offsets.iter().take(num_dynamic_offsets as usize).cloned(),
                     );
                     offsets = &offsets[num_dynamic_offsets as usize..];
                 }
diff --git a/wgpu-core/src/command/compute.rs b/wgpu-core/src/command/compute.rs
index 4450ae2cb3..f137bb86ba 100644
--- a/wgpu-core/src/command/compute.rs
+++ b/wgpu-core/src/command/compute.rs
@@ -343,7 +343,7 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
                                 &pipeline_layout_guard[pipeline_layout_id].raw,
                                 index as usize,
                                 bind_groups,
-                                &temp_offsets,
+                                temp_offsets.iter().cloned(),
                             );
                         }
                     }
diff --git a/wgpu-core/src/command/render.rs b/wgpu-core/src/command/render.rs
index 6dc742df47..cceefdc6d3 100644
--- a/wgpu-core/src/command/render.rs
+++ b/wgpu-core/src/command/render.rs
@@ -805,11 +805,15 @@ impl<'a, B: GfxBackend> RenderPassInfo<'a, B> {
                 let all = entry
                     .key()
                     .all()
-                    .map(|(at, _)| at)
+                    .map(|(at, _)| at.clone())
                     .collect::<AttachmentDataVec<_>>();
 
-                let pass = unsafe { device.raw.create_render_pass(all, iter::once(subpass), &[]) }
-                    .unwrap();
+                let pass = unsafe {
+                    device
+                        .raw
+                        .create_render_pass(all, iter::once(subpass), iter::empty())
+                }
+                .unwrap();
                 entry.insert(pass)
             }
         };
@@ -932,7 +936,7 @@ impl<'a, B: GfxBackend> RenderPassInfo<'a, B> {
                 attachments,
                 hal::command::SubpassContents::Inline,
             );
-            raw.set_scissors(0, iter::once(&rect));
+            raw.set_scissors(0, iter::once(rect));
             raw.set_viewports(
                 0,
                 iter::once(hal::pso::Viewport {
@@ -1135,7 +1139,7 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
                                     &pipeline_layout_guard[pipeline_layout_id].raw,
                                     index as usize,
                                     bind_groups,
-                                    &temp_offsets,
+                                    temp_offsets.iter().cloned(),
                                 );
                             }
                         };
diff --git a/wgpu-core/src/device/descriptor.rs b/wgpu-core/src/device/descriptor.rs
index b52630b21c..891caad2bd 100644
--- a/wgpu-core/src/device/descriptor.rs
+++ b/wgpu-core/src/device/descriptor.rs
@@ -145,7 +145,9 @@ impl<B: hal::Backend>
         sets: &mut impl Extend<B::DescriptorSet>,
     ) -> Result<(), gpu_descriptor::DeviceAllocationError> {
         use gpu_descriptor::DeviceAllocationError as Dae;
-        match hal::pso::DescriptorPool::allocate(pool, layouts, sets) {
+        //TODO: https://github.com/zakarumych/gpu-descriptor/pull/10
+        let temp_layouts = layouts.collect::<Vec<_>>();
+        match hal::pso::DescriptorPool::allocate(pool, temp_layouts, sets) {
             Ok(()) => Ok(()),
             Err(hal::pso::AllocationError::OutOfMemory(oom)) => Err(match oom {
                 hal::device::OutOfMemory::Host => Dae::OutOfHostMemory,
diff --git a/wgpu-core/src/device/mod.rs b/wgpu-core/src/device/mod.rs
index 827b26be3d..d40168c6b3 100644
--- a/wgpu-core/src/device/mod.rs
+++ b/wgpu-core/src/device/mod.rs
@@ -1060,10 +1060,13 @@ impl<B: GfxBackend> Device<B> {
         };
         let all = key
             .all()
-            .map(|(at, _)| at)
+            .map(|(at, _)| at.clone())
             .collect::<AttachmentDataVec<_>>();
 
-        unsafe { self.raw.create_render_pass(all, iter::once(subpass), &[]) }
+        unsafe {
+            self.raw
+                .create_render_pass(all, iter::once(subpass), iter::empty())
+        }
     }
 
     fn deduplicate_bind_group_layout(
diff --git a/wgpu-core/src/device/queue.rs b/wgpu-core/src/device/queue.rs
index 355caa9cf3..d51ed3f555 100644
--- a/wgpu-core/src/device/queue.rs
+++ b/wgpu-core/src/device/queue.rs
@@ -619,20 +619,25 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
                     .raw
                     .create_fence(false)
                     .or(Err(DeviceError::OutOfMemory))?;
-                let submission = hal::queue::Submission {
-                    command_buffers: pending_write_command_buffer.as_ref().into_iter().chain(
-                        command_buffer_ids
-                            .iter()
-                            .flat_map(|&cmb_id| &command_buffer_guard.get(cmb_id).unwrap().raw),
-                    ),
-                    wait_semaphores: Vec::new(),
-                    signal_semaphores: signal_swapchain_semaphores
-                        .into_iter()
-                        .map(|sc_id| &swap_chain_guard[sc_id].semaphore),
-                };
+                let mut command_buffers = pending_write_command_buffer
+                    .as_ref()
+                    .into_iter()
+                    .collect::<Vec<_>>();
+                for &cmd_buf_id in command_buffer_ids {
+                    let cmd_buf = command_buffer_guard.get(cmd_buf_id).unwrap();
+                    command_buffers.extend(cmd_buf.raw.iter());
+                }
+                let signal_semaphores = signal_swapchain_semaphores
+                    .into_iter()
+                    .map(|sc_id| &swap_chain_guard[sc_id].semaphore);
 
                 unsafe {
-                    device.queue_group.queues[0].submit(submission, Some(&mut fence));
+                    device.queue_group.queues[0].submit(
+                        command_buffers,
+                        iter::empty(),
+                        signal_semaphores,
+                        Some(&mut fence),
+                    );
                 }
                 fence
             };