From 4c08c37a46054e1103e8eb147ceda4096f46105f Mon Sep 17 00:00:00 2001
From: Mendy Berger <12537668+MendyBerger@users.noreply.github.com>
Date: Wed, 25 Jun 2025 15:43:23 -0400
Subject: [PATCH] Expose raw_factory (#7827)

Co-authored-by: Connor Fitzgerald <connorwadefitzgerald@gmail.com>
---
 CHANGELOG.md             | 1 +
 wgpu-hal/src/dx12/mod.rs | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a75fd43ee..6511e1973 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -124,6 +124,7 @@ Bottom level categories:
 #### D3D12
 
 - Remove the need for dxil.dll. By @teoxoy in [#7566](https://github.com/gfx-rs/wgpu/pull/7566)
+- Ability to get the raw `IDXGIFactory4` from `Instance`. By @MendyBerger in [#7827](https://github.com/gfx-rs/wgpu/pull/7827)
 
 #### Vulkan
 
diff --git a/wgpu-hal/src/dx12/mod.rs b/wgpu-hal/src/dx12/mod.rs
index 2394533b7..efbffecc4 100644
--- a/wgpu-hal/src/dx12/mod.rs
+++ b/wgpu-hal/src/dx12/mod.rs
@@ -465,6 +465,11 @@ pub struct Instance {
 }
 
 impl Instance {
+    /// Get the raw DXGI factory associated with this instance.
+    pub unsafe fn raw_factory4(&self) -> &Dxgi::IDXGIFactory4 {
+        self.factory.deref()
+    }
+
     pub unsafe fn create_surface_from_visual(&self, visual: *mut ffi::c_void) -> Surface {
         let visual = unsafe { DirectComposition::IDCompositionVisual::from_raw_borrowed(&visual) }
             .expect("COM pointer should not be NULL");