Added a dummy field to the main FSR2 constant buffer, to make it exactly 128 bytes long. This fixes a data alignment issue on iOS Metal.

Assets/Resources/FSR2/shaders/ffx_fsr2_callbacks_hlsl.h

@@ -71,6 +71,8 @@
         FfxFloat32    fDeltaTime;
         FfxFloat32    fDynamicResChangeFactor;
         FfxFloat32    fViewSpaceToMetersFactor;
+
+        FfxInt32      iDummy;
     };
 
 #define FFX_FSR2_CONSTANT_BUFFER_1_SIZE (sizeof(cbFSR2) / 4)  // Number of 32-bit values. This must be kept in sync with the cbFSR2 size.

Assets/Scripts/Core/Fsr2.cs

@@ -231,6 +231,8 @@ namespace FidelityFX
             public float deltaTime;
             public float dynamicResChangeFactor;
             public float viewSpaceToMetersFactor;
+
+            public int dummy;
         }
         
         [Serializable, StructLayout(LayoutKind.Sequential)]