From e736048fab2b28e7ae3ee1accb54044a49e51445 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Thu, 12 Mar 2026 08:41:06 +0100
Subject: [PATCH] Ensure probe count is never out of bounds

#3963
---
 Content/Shaders/GI/DDGI.flax  | 4 ++--
 Source/Shaders/GI/DDGI.shader | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/Content/Shaders/GI/DDGI.flax b/Content/Shaders/GI/DDGI.flax
index 257953bf9..98cfbb80a 100644
--- a/Content/Shaders/GI/DDGI.flax
+++ b/Content/Shaders/GI/DDGI.flax
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:5b017cf857f443553020e4bc7c8c8c5da3a826a2514322664a023ffa6005f7a5
-size 38217
+oid sha256:50753dbd37cb2a6fd6f48a597e90c8b8b689c7e433e66a5f21bc4ffa94244895
+size 38260
diff --git a/Source/Shaders/GI/DDGI.shader b/Source/Shaders/GI/DDGI.shader
index b080efc0b..bade984fc 100644
--- a/Source/Shaders/GI/DDGI.shader
+++ b/Source/Shaders/GI/DDGI.shader
@@ -351,6 +351,7 @@ META_CS(true, FEATURE_LEVEL_SM5)
 void CS_UpdateProbesInitArgs()
 {
     uint activeProbesCount = ActiveProbes.Load(0); // Counter at 0
+    activeProbesCount = min(activeProbesCount, ProbesCount);
     uint arg = 0;
     for (uint probesOffset = 0; probesOffset < activeProbesCount; probesOffset += DDGI_TRACE_RAYS_PROBES_COUNT_LIMIT)
     {