Created an abstract base class for context objects, with a few common helper methods

Runtime/Common/FfxContextBase.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Runtime.InteropServices;
+using UnityEngine;
+
+namespace FidelityFX
+{
+    public abstract class FfxContextBase
+    {
+        protected static ComputeBuffer CreateConstantBuffer<TBuf>() 
+            where TBuf: struct
+        {
+            return new ComputeBuffer(1, Marshal.SizeOf<TBuf>(), ComputeBufferType.Constant);
+        }
+        
+        protected static void DestroyConstantBuffer(ref ComputeBuffer bufferRef)
+        {
+            if (bufferRef == null)
+                return;
+            
+            bufferRef.Release();
+            bufferRef = null;
+        }
+
+        protected static void DestroyPass<TPass>(ref TPass pass)
+            where TPass: class, IDisposable
+        {
+            if (pass == null)
+                return;
+            
+            pass.Dispose();
+            pass = null;
+        }
+    }
+}

Runtime/Common/FfxContextBase.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: f4aeccbeb6e61434eb2e50b7190fda8d
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Runtime/FSR2/Fsr2Context.cs

@@ -31,7 +31,7 @@ namespace FidelityFX.FSR2
     /// Note that this class does not know anything about Unity render pipelines; all it knows is CommandBuffers and RenderTargetIdentifiers.
     /// This should make it suitable for integration with any of the available Unity render pipelines.
     /// </summary>
-    public class Fsr2Context
+    public class Fsr2Context: FfxContextBase
     {
         private const int MaxQueuedFrames = 16;
         
@@ -591,28 +591,5 @@ namespace FidelityFX.FSR2
             new Fsr2.RcasConstants(1064229695u, 997604214u),
             new Fsr2.RcasConstants(1065353216u, 1006648320),
         };
-        
-        private static ComputeBuffer CreateConstantBuffer<TConstants>() where TConstants: struct
-        {
-            return new ComputeBuffer(1, Marshal.SizeOf<TConstants>(), ComputeBufferType.Constant);
-        }
-        
-        private static void DestroyConstantBuffer(ref ComputeBuffer bufferRef)
-        {
-            if (bufferRef == null)
-                return;
-            
-            bufferRef.Release();
-            bufferRef = null;
-        }
-
-        private static void DestroyPass(ref Fsr2Pass pass)
-        {
-            if (pass == null)
-                return;
-            
-            pass.Dispose();
-            pass = null;
-        }
     }
 }

Runtime/FSR3/Fsr3UpscalerContext.cs

@@ -31,7 +31,7 @@ namespace FidelityFX.FSR3
     /// Note that this class does not know anything about Unity render pipelines; all it knows is CommandBuffers and RenderTargetIdentifiers.
     /// This should make it suitable for integration with any of the available Unity render pipelines.
     /// </summary>
-    public class Fsr3UpscalerContext
+    public class Fsr3UpscalerContext: FfxContextBase
     {
         private const int MaxQueuedFrames = 16;
         
@@ -630,28 +630,5 @@ namespace FidelityFX.FSR3
             new Fsr3Upscaler.RcasConstants(1064229695u, 997604214u),
             new Fsr3Upscaler.RcasConstants(1065353216u, 1006648320),
         };
-        
-        private static ComputeBuffer CreateConstantBuffer<TConstants>() where TConstants: struct
-        {
-            return new ComputeBuffer(1, Marshal.SizeOf<TConstants>(), ComputeBufferType.Constant);
-        }
-        
-        private static void DestroyConstantBuffer(ref ComputeBuffer bufferRef)
-        {
-            if (bufferRef == null)
-                return;
-            
-            bufferRef.Release();
-            bufferRef = null;
-        }
-
-        private static void DestroyPass(ref Fsr3UpscalerPass pass)
-        {
-            if (pass == null)
-                return;
-            
-            pass.Dispose();
-            pass = null;
-        }
     }
 }