From eeb40956852a2caafb26c6f560f037a02f0a8f51 Mon Sep 17 00:00:00 2001
From: Nico de Poel <ndepoel@gmail.com>
Date: Wed, 24 Jul 2024 19:50:11 +0200
Subject: [PATCH] Reworked backbuffer transfer function parameter into a
 clearly designated enum

---
 Runtime/OpticalFlow/OpticalFlow.cs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Runtime/OpticalFlow/OpticalFlow.cs b/Runtime/OpticalFlow/OpticalFlow.cs
index ffffb40..bd498c9 100644
--- a/Runtime/OpticalFlow/OpticalFlow.cs
+++ b/Runtime/OpticalFlow/OpticalFlow.cs
@@ -39,10 +39,18 @@ namespace FidelityFX.OpticalFlow
             public ResourceView OpticalFlowVector;
             public ResourceView OpticalFlowSCD;
             public bool Reset;
-            public int BackbufferTransferFunction;
+            
+            public BackbufferTransferFunction BackbufferTransferFunction;
             public Vector2 MinMaxLuminance;
         }
 
+        public enum BackbufferTransferFunction
+        {
+            LDR_sRGB,
+            HDR_PQ,
+            HDR_scRGB,
+        }
+
         public static Vector2Int GetOpticalFlowTextureSize(Vector2Int displaySize)
         {
             return GetOpticalFlowTextureSize(displaySize, MinBlockSize);