From 61b6aeb252dd62e0e26c0fda3d2def6f04b49503 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Wed, 28 Jan 2026 14:04:43 +0100
Subject: [PATCH] Fix missing DDGI on D3D11 when object counter readback buffer
 doesn't have data on time

(eg. during very fast rendering)
---
 Source/Engine/Renderer/GI/GlobalSurfaceAtlasPass.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Source/Engine/Renderer/GI/GlobalSurfaceAtlasPass.cpp b/Source/Engine/Renderer/GI/GlobalSurfaceAtlasPass.cpp
index 7216a8fa8..638dec0a8 100644
--- a/Source/Engine/Renderer/GI/GlobalSurfaceAtlasPass.cpp
+++ b/Source/Engine/Renderer/GI/GlobalSurfaceAtlasPass.cpp
@@ -977,7 +977,8 @@ bool GlobalSurfaceAtlasPass::Render(RenderContext& renderContext, GPUContext* co
         {
             // Get the last counter value (accept staging readback delay or not available data yet)
             notReady = true;
-            auto data = (uint32*)_culledObjectsSizeBuffer->Map(GPUResourceMapMode::Read | GPUResourceMapMode::NoWait);
+            PROFILE_CPU_NAMED("Readback Object Count");
+            auto data = (uint32*)_culledObjectsSizeBuffer->Map(GPUResourceMapMode::Read);
             if (data)
             {
                 uint32 counter = data[surfaceAtlasData.CulledObjectsCounterIndex];