From 8e841b9449fc9dee242fa43a41ba4cecd8169557 Mon Sep 17 00:00:00 2001
From: Erich Gubler <erichdongubler@gmail.com>
Date: Thu, 21 Sep 2023 11:14:39 -0400
Subject: [PATCH] refactor(dx12): remove unused `root_signature` arg. from
 `Device::create_command_signature`

---
 d3d12/src/device.rs         | 3 +--
 wgpu-hal/src/dx12/device.rs | 3 ---
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/d3d12/src/device.rs b/d3d12/src/device.rs
index 475fa22b50..43781c933b 100644
--- a/d3d12/src/device.rs
+++ b/d3d12/src/device.rs
@@ -291,7 +291,6 @@ impl Device {
 
     pub fn create_command_signature(
         &self,
-        root_signature: RootSignature,
         arguments: &[IndirectArgument],
         stride: u32,
         node_mask: NodeMask,
@@ -307,7 +306,7 @@ impl Device {
         let hr = unsafe {
             self.CreateCommandSignature(
                 &desc,
-                root_signature.as_mut_ptr(),
+                std::ptr::null_mut(),
                 &d3d12::ID3D12CommandSignature::uuidof(),
                 signature.mut_void(),
             )
diff --git a/wgpu-hal/src/dx12/device.rs b/wgpu-hal/src/dx12/device.rs
index 590bdaded0..7dfb3e3abb 100644
--- a/wgpu-hal/src/dx12/device.rs
+++ b/wgpu-hal/src/dx12/device.rs
@@ -101,7 +101,6 @@ impl super::Device {
             cmd_signatures: super::CommandSignatures {
                 draw: raw
                     .create_command_signature(
-                        d3d12::RootSignature::null(),
                         &[d3d12::IndirectArgument::draw()],
                         mem::size_of::<wgt::DrawIndirectArgs>() as u32,
                         0,
@@ -109,7 +108,6 @@ impl super::Device {
                     .into_device_result("Command (draw) signature creation")?,
                 draw_indexed: raw
                     .create_command_signature(
-                        d3d12::RootSignature::null(),
                         &[d3d12::IndirectArgument::draw_indexed()],
                         mem::size_of::<wgt::DrawIndexedIndirectArgs>() as u32,
                         0,
@@ -117,7 +115,6 @@ impl super::Device {
                     .into_device_result("Command (draw_indexed) signature creation")?,
                 dispatch: raw
                     .create_command_signature(
-                        d3d12::RootSignature::null(),
                         &[d3d12::IndirectArgument::dispatch()],
                         mem::size_of::<wgt::DispatchIndirectArgs>() as u32,
                         0,