From 9477da799b78146e7b1d4f1d7c6cecfa89d38ac7 Mon Sep 17 00:00:00 2001
From: Tobias Alexander Franke <thefranke@users.noreply.github.com>
Date: Tue, 21 Sep 2021 23:05:11 +0200
Subject: [PATCH] Jobify view culling (#3983)

* Jobify culling
* Move JobCompletion to stack

Signed-off-by: Tobias Alexander Franke <tobias.alexander.franke@huawei.com>

Co-authored-by: Tobias Alexander Franke <tobias.alexander.franke@huawei.com>
---
 Gems/Atom/RPI/Code/Source/RPI.Public/Culling.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Gems/Atom/RPI/Code/Source/RPI.Public/Culling.cpp b/Gems/Atom/RPI/Code/Source/RPI.Public/Culling.cpp
index f67343faa1..fbfabe4f2a 100644
--- a/Gems/Atom/RPI/Code/Source/RPI.Public/Culling.cpp
+++ b/Gems/Atom/RPI/Code/Source/RPI.Public/Culling.cpp
@@ -730,12 +730,22 @@ namespace AZ
 
             m_debugCtx.ResetCullStats();
             m_debugCtx.m_numCullablesInScene = GetNumCullables();
+            AZ::JobCompletion beginCullingCompletion;
 
             for (auto& view : views)
             {
-                view->BeginCulling();
+                const auto cullingLambda = [&view]()
+                {
+                    view->BeginCulling();
+                };
+
+                AZ::Job* cullingJob = AZ::CreateJobFunction(AZStd::move(cullingLambda), true, nullptr);
+                cullingJob->SetDependent(&beginCullingCompletion);
+                cullingJob->Start();
             }
 
+            beginCullingCompletion.StartAndWaitForCompletion();
+
             AuxGeomDrawPtr auxGeom;
             if (m_debugCtx.m_debugDraw)
             {