From e20c6c47acecbb88c5c3fbd3e55223a1be8bebef Mon Sep 17 00:00:00 2001
From: Nico de Poel <ndepoel@gmail.com>
Date: Tue, 27 Jan 2026 15:02:31 +0100
Subject: [PATCH] DX12 interface V8 experiments

---
 .gitignore              | 2 ++
 src/FSR3UnityPlugin.cpp | 5 ++++-
 src/FSR3Upscaler_DX12.h | 6 ++++--
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/.gitignore b/.gitignore
index 652e763..f2487f8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,5 @@
 .vs/
 FSR3UnityPlugin/x64/
 x64/
+FSR3UnityPlugin/Debug/
+FSR3UnityPlugin/Release/
diff --git a/src/FSR3UnityPlugin.cpp b/src/FSR3UnityPlugin.cpp
index de7698c..dbca493 100644
--- a/src/FSR3UnityPlugin.cpp
+++ b/src/FSR3UnityPlugin.cpp
@@ -79,7 +79,10 @@ static void UNITY_INTERFACE_API OnGraphicsDeviceEvent(UnityGfxDeviceEventType ev
                 return;
             }
 
-            s_Upscaler = new FSR3Upscaler_DX12(s_Log, graphicsD3D12);
+            // Older Unity versions won't have this interface yet, so its presence is optional
+            auto* graphicsD3D12v8 = s_UnityInterfaces->Get<IUnityGraphicsD3D12v8>();
+
+            s_Upscaler = new FSR3Upscaler_DX12(s_Log, graphicsD3D12, graphicsD3D12v8);
 
             UnityD3D12PluginEventConfig eventConfig{};
             eventConfig.graphicsQueueAccess = kUnityD3D12GraphicsQueueAccess_DontCare;
diff --git a/src/FSR3Upscaler_DX12.h b/src/FSR3Upscaler_DX12.h
index 7d43662..b6f3176 100644
--- a/src/FSR3Upscaler_DX12.h
+++ b/src/FSR3Upscaler_DX12.h
@@ -10,9 +10,10 @@
 class FSR3Upscaler_DX12 : public FSR3Upscaler_FFXBase
 {
 public:
-    FSR3Upscaler_DX12(IUnityLog* log, IUnityGraphicsD3D12v7* graphicsDevice):
+    FSR3Upscaler_DX12(IUnityLog* log, IUnityGraphicsD3D12v7* graphicsDevice, IUnityGraphicsD3D12v8* graphicsDeviceV8):
         FSR3Upscaler_FFXBase(log),
-        m_GraphicsDevice(graphicsDevice), m_DX12BackendDesc(), m_FrameFenceEventHandle(nullptr)
+        m_GraphicsDevice(graphicsDevice), m_GraphicsDeviceV8(graphicsDeviceV8),
+        m_DX12BackendDesc(), m_FrameFenceEventHandle(nullptr)
     {
     }
 
@@ -28,6 +29,7 @@ protected:
 
 private:
     IUnityGraphicsD3D12v7* m_GraphicsDevice;
+    IUnityGraphicsD3D12v8* m_GraphicsDeviceV8;
     ffx::CreateBackendDX12Desc m_DX12BackendDesc;
     HANDLE m_FrameFenceEventHandle;
 };