From 2d05d08f86a90329681cd663fdda09e1dabf0c5d Mon Sep 17 00:00:00 2001
From: Nico de Poel <ndepoel@gmail.com>
Date: Mon, 18 Dec 2023 12:19:25 +0100
Subject: [PATCH] Added the ability to clone the shaders, in case multiple FSR3
 instances with different configurations are needed.

---
 Assets/Scripts/Core/Fsr3UpscalerShaders.cs | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/Assets/Scripts/Core/Fsr3UpscalerShaders.cs b/Assets/Scripts/Core/Fsr3UpscalerShaders.cs
index 8b67a27..6e85b95 100644
--- a/Assets/Scripts/Core/Fsr3UpscalerShaders.cs
+++ b/Assets/Scripts/Core/Fsr3UpscalerShaders.cs
@@ -56,6 +56,41 @@ namespace FidelityFX
         {
             return (Fsr3UpscalerShaders)MemberwiseClone();
         }
+
+        /// <summary>
+        /// Returns a copy of this class with clones of all its shaders.
+        /// This can be useful if you're running multiple FSR3 Upscaler instances with different shader configurations.
+        /// Be sure to clean up these clones through Dispose once you're done with them.
+        /// </summary>
+        public Fsr3UpscalerShaders DeepCopy()
+        {
+            Fsr3UpscalerShaders copy = CreateInstance<Fsr3UpscalerShaders>();
+            copy.computeLuminancePyramidPass = Instantiate(computeLuminancePyramidPass);
+            copy.reconstructPreviousDepthPass = Instantiate(reconstructPreviousDepthPass);
+            copy.depthClipPass = Instantiate(depthClipPass);
+            copy.lockPass = Instantiate(lockPass);
+            copy.accumulatePass = Instantiate(accumulatePass);
+            copy.sharpenPass = Instantiate(sharpenPass);
+            copy.autoGenReactivePass = Instantiate(autoGenReactivePass);
+            copy.tcrAutoGenPass = Instantiate(tcrAutoGenPass);
+            return copy;
+        }
+
+        /// <summary>
+        /// Destroy all the shaders within this instance.
+        /// Use this only on clones created through DeepCopy.
+        /// </summary>
+        public void Dispose()
+        {
+            Destroy(computeLuminancePyramidPass);
+            Destroy(reconstructPreviousDepthPass);
+            Destroy(depthClipPass);
+            Destroy(lockPass);
+            Destroy(accumulatePass);
+            Destroy(sharpenPass);
+            Destroy(autoGenReactivePass);
+            Destroy(tcrAutoGenPass);
+        }
         
         #if UNITY_EDITOR
         private void Reset()