Implemented mipmap bias offsetting

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/SuperResolution.cs

@@ -79,6 +79,9 @@ namespace UnityEngine.Rendering.PostProcessing
         private Vector2Int _displaySize;
         private bool _reset;
 
+        private IFsr2Callbacks _callbacks;
+        private float _appliedBiasOffset;
+
         private readonly Fsr2.DispatchDescription _dispatchDescription = new Fsr2.DispatchDescription();
         private readonly Fsr2.GenerateReactiveDescription _genReactiveDescription = new Fsr2.GenerateReactiveDescription();
 
@@ -176,11 +179,16 @@ namespace UnityEngine.Rendering.PostProcessing
             if (enableFP16) flags |= Fsr2.InitializationFlags.EnableFP16Usage;
             if (enableAutoExposure) flags |= Fsr2.InitializationFlags.EnableAutoExposure;
 
-            _fsrContext = Fsr2.CreateContext(_displaySize, _renderSize, CallbacksFactory(context), flags);
+            _callbacks = CallbacksFactory(context);
+            _fsrContext = Fsr2.CreateContext(_displaySize, _renderSize, _callbacks, flags);
 
             // Apply a mipmap bias so that textures retain their sharpness
             float biasOffset = Fsr2.GetMipmapBiasOffset(_renderSize.x, _displaySize.x);
-            //Fsr2.GlobalCallbacks.ApplyMipmapBias(biasOffset);
+            if (!float.IsNaN(biasOffset))
+            {
+                _callbacks.ApplyMipmapBias(biasOffset);
+                _appliedBiasOffset = biasOffset;
+            }
         }
         
         private void DestroyFsrContext()
@@ -189,10 +197,12 @@ namespace UnityEngine.Rendering.PostProcessing
             {
                 _fsrContext.Destroy();
                 _fsrContext = null;
-                
-                // Undo the previous mipmap bias adjustment
-                float biasOffset = Fsr2.GetMipmapBiasOffset(_renderSize.x, _prevDisplaySize.x);
-                //Fsr2.GlobalCallbacks.ApplyMipmapBias(-biasOffset);
+            }
+
+            if (!float.IsNaN(_appliedBiasOffset) && _appliedBiasOffset != 0f)
+            {
+                _callbacks.ApplyMipmapBias(-_appliedBiasOffset);
+                _appliedBiasOffset = 0f;
             }
         }