From 53e8164f0e903165d3ae6203ce99a3f00d2b6dae Mon Sep 17 00:00:00 2001
From: Nico de Poel <ndepoel@gmail.com>
Date: Wed, 24 May 2023 15:38:13 +0200
Subject: [PATCH] Clear the atomic counter used by the luminance pyramid pass.
 This fixes auto-exposure being broken and causing a black screen on some
 platforms (Xbox, OpenGL).

---
 Assets/Scripts/Core/Fsr2Context.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Assets/Scripts/Core/Fsr2Context.cs b/Assets/Scripts/Core/Fsr2Context.cs
index 890285d..8a6ea50 100644
--- a/Assets/Scripts/Core/Fsr2Context.cs
+++ b/Assets/Scripts/Core/Fsr2Context.cs
@@ -210,6 +210,10 @@ namespace FidelityFX
                 commandBuffer.ClearRenderTarget(false, true, new Color(-1f, 1e8f, 0f, 0f));
             }
             
+            // Reset atomic counter to 0
+            commandBuffer.SetRenderTarget(Fsr2ShaderIDs.UavSpdAtomicCount);
+            commandBuffer.ClearRenderTarget(false, true, Color.clear);
+            
             // Auto exposure
             SetupSpdConstants(dispatchParams, out var dispatchThreadGroupCount);