Merge pull request #1953 from aws-lumberyard-dev/Atom/dmcdiar/ATOM-15951

Suspend ray tracing for DiffuseProbeGrids that are not visible

Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGrid.cpp

@@ -245,6 +245,23 @@ namespace AZ
                 m_bakedClassificationImage.get();
         }
 
+        void DiffuseProbeGrid::ResetCullingVisibility()
+        {
+            m_cullable.m_isVisible = false;
+        }
+
+        bool DiffuseProbeGrid::GetIsVisible() const
+        {
+            // we need to go through the DiffuseProbeGrid passes at least once in order to initialize
+            // the RenderObjectSrg, which means we need to be visible until the RenderObjectSrg is created
+            if (m_renderObjectSrg == nullptr)
+            {
+                return true;
+            }
+
+            return m_cullable.m_isVisible;
+        }
+
         uint32_t DiffuseProbeGrid::GetTotalProbeCount() const
         {
             return m_probeCountX * m_probeCountY * m_probeCountZ;

Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGrid.h

@@ -102,6 +102,9 @@ namespace AZ
             void DecrementRemainingRelocationIterations() { m_remainingRelocationIterations = AZStd::max(0, m_remainingRelocationIterations - 1); }
             void ResetRemainingRelocationIterations() { m_remainingRelocationIterations = DefaultNumRelocationIterations; }
 
+            void ResetCullingVisibility();
+            bool GetIsVisible() const;
+
             // compute total number of probes in the grid
             uint32_t GetTotalProbeCount() const;
 

Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGridBlendDistancePass.cpp

@@ -82,7 +82,7 @@ namespace AZ
             RPI::Scene* scene = m_pipeline->GetScene();
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
 
-            if (!diffuseProbeGridFeatureProcessor || diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids().empty())
+            if (!diffuseProbeGridFeatureProcessor || diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids().empty())
             {
                 // no diffuse probe grids
                 return;
@@ -106,7 +106,7 @@ namespace AZ
 
             RPI::Scene* scene = m_pipeline->GetScene();
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
-            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
             {
                 // probe raytrace image
                 {
@@ -145,7 +145,7 @@ namespace AZ
             RPI::Scene* scene = m_pipeline->GetScene();
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
 
-            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
             {
                 // the diffuse probe grid Srg must be updated in the Compile phase in order to successfully bind the ReadWrite shader inputs
                 // (see ValidateSetImageView() in ShaderResourceGroupData.cpp)
@@ -162,7 +162,7 @@ namespace AZ
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
 
             // submit the DispatchItem for each DiffuseProbeGrid
-            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
             {
                 const RHI::ShaderResourceGroup* shaderResourceGroup = diffuseProbeGrid->GetBlendDistanceSrg()->GetRHIShaderResourceGroup();
                 commandList->SetShaderResourceGroupForDispatch(*shaderResourceGroup);

Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGridBlendIrradiancePass.cpp

@@ -82,7 +82,7 @@ namespace AZ
             RPI::Scene* scene = m_pipeline->GetScene();
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
 
-            if (!diffuseProbeGridFeatureProcessor || diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids().empty())
+            if (!diffuseProbeGridFeatureProcessor || diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids().empty())
             {
                 // no diffuse probe grids
                 return;
@@ -106,7 +106,7 @@ namespace AZ
 
             RPI::Scene* scene = m_pipeline->GetScene();
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
-            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
             {
                 // probe raytrace image
                 {
@@ -145,7 +145,7 @@ namespace AZ
             RPI::Scene* scene = m_pipeline->GetScene();
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
 
-            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
             {
                 // the diffuse probe grid Srg must be updated in the Compile phase in order to successfully bind the ReadWrite shader inputs
                 // (see ValidateSetImageView() in ShaderResourceGroupData.cpp)
@@ -162,7 +162,7 @@ namespace AZ
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
 
             // submit the DispatchItem for each DiffuseProbeGrid
-            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
             {
                 const RHI::ShaderResourceGroup* shaderResourceGroup = diffuseProbeGrid->GetBlendIrradianceSrg()->GetRHIShaderResourceGroup();
                 commandList->SetShaderResourceGroupForDispatch(*shaderResourceGroup);

Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGridBorderUpdatePass.cpp

@@ -95,7 +95,7 @@ namespace AZ
             RPI::Scene* scene = m_pipeline->GetScene();
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
 
-            if (!diffuseProbeGridFeatureProcessor || diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids().empty())
+            if (!diffuseProbeGridFeatureProcessor || diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids().empty())
             {
                 // no diffuse probe grids
                 return;
@@ -119,7 +119,7 @@ namespace AZ
 
             RPI::Scene* scene = m_pipeline->GetScene();
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
-            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
             {
                 // probe irradiance image
                 {
@@ -148,7 +148,7 @@ namespace AZ
             RPI::Scene* scene = m_pipeline->GetScene();
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
 
-            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
             {
                 // the diffuse probe grid Srg must be updated in the Compile phase in order to successfully bind the ReadWrite shader inputs
                 // (see line ValidateSetImageView() in ShaderResourceGroupData.cpp)
@@ -168,7 +168,7 @@ namespace AZ
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
 
             // submit the DispatchItems for each DiffuseProbeGrid
-            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
             {
                 uint32_t probeCountX;
                 uint32_t probeCountY;

Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGridClassificationPass.cpp

@@ -86,7 +86,7 @@ namespace AZ
             RPI::Scene* scene = m_pipeline->GetScene();
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
 
-            if (!diffuseProbeGridFeatureProcessor || diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids().empty())
+            if (!diffuseProbeGridFeatureProcessor || diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids().empty())
             {
                 // no diffuse probe grids
                 return;
@@ -110,7 +110,7 @@ namespace AZ
 
             RPI::Scene* scene = m_pipeline->GetScene();
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
-            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
             {
                 // probe raytrace image
                 {
@@ -138,11 +138,12 @@ namespace AZ
         {
             RPI::Scene* scene = m_pipeline->GetScene();
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
-            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
             {
                 // the diffuse probe grid Srg must be updated in the Compile phase in order to successfully bind the ReadWrite shader inputs
                 // (see ValidateSetImageView() in ShaderResourceGroupData.cpp)
                 diffuseProbeGrid->UpdateClassificationSrg(m_srgAsset);
+
                 diffuseProbeGrid->GetClassificationSrg()->Compile();
             }
         }
@@ -154,7 +155,7 @@ namespace AZ
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
 
             // submit the DispatchItems for each DiffuseProbeGrid
-            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
             {
                 const RHI::ShaderResourceGroup* shaderResourceGroup = diffuseProbeGrid->GetClassificationSrg()->GetRHIShaderResourceGroup();
                 commandList->SetShaderResourceGroupForDispatch(*shaderResourceGroup);

Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGridFeatureProcessor.cpp

@@ -175,6 +175,27 @@ namespace AZ
             }
         }
 
+        void DiffuseProbeGridFeatureProcessor::OnBeginPrepareRender()
+        {
+            for (auto& diffuseProbeGrid : m_realTimeDiffuseProbeGrids)
+            {
+                diffuseProbeGrid->ResetCullingVisibility();
+            }
+        }
+
+        void DiffuseProbeGridFeatureProcessor::OnEndPrepareRender()
+        {
+            // re-build the list of visible real-time diffuse probe grids
+            m_visibleRealTimeDiffuseProbeGrids.clear();
+            for (auto& diffuseProbeGrid : m_realTimeDiffuseProbeGrids)
+            {
+                if (diffuseProbeGrid->GetIsVisible())
+                {
+                    m_visibleRealTimeDiffuseProbeGrids.push_back(diffuseProbeGrid);
+                }
+            }
+        }
+
         DiffuseProbeGridHandle DiffuseProbeGridFeatureProcessor::AddProbeGrid(const AZ::Transform& transform, const AZ::Vector3& extents, const AZ::Vector3& probeSpacing)
         {
             AZStd::shared_ptr<DiffuseProbeGrid> diffuseProbeGrid = AZStd::make_shared<DiffuseProbeGrid>();
@@ -215,6 +236,17 @@ namespace AZ
                 m_realTimeDiffuseProbeGrids.erase(itEntry);
             }
 
+            // remove from side list of visible real-time grids
+            itEntry = AZStd::find_if(m_visibleRealTimeDiffuseProbeGrids.begin(), m_visibleRealTimeDiffuseProbeGrids.end(), [&](AZStd::shared_ptr<DiffuseProbeGrid> const& entry)
+            {
+                return (entry == probeGrid);
+            });
+
+            if (itEntry != m_visibleRealTimeDiffuseProbeGrids.end())
+            {
+                m_visibleRealTimeDiffuseProbeGrids.erase(itEntry);
+            }
+
             probeGrid = nullptr;
         }
 

Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGridFeatureProcessor.h

@@ -76,6 +76,9 @@ namespace AZ
             // retrieve the side list of probe grids that are using real-time (raytraced) mode
             DiffuseProbeGridVector& GetRealTimeProbeGrids() { return m_realTimeDiffuseProbeGrids; }
 
+            // retrieve the side list of probe grids that are using  real-time (raytraced) mode and visible (on screen)
+            DiffuseProbeGridVector& GetVisibleRealTimeProbeGrids() { return m_visibleRealTimeDiffuseProbeGrids; }
+
         private:
             AZ_DISABLE_COPY_MOVE(DiffuseProbeGridFeatureProcessor);
 
@@ -96,6 +99,8 @@ namespace AZ
             void HandleAssetNotification(Data::Asset<Data::AssetData> asset, DiffuseProbeGridTextureNotificationType notificationType);
 
             // RPI::SceneNotificationBus::Handler overrides
+            void OnBeginPrepareRender() override;
+            void OnEndPrepareRender() override;
             void OnRenderPipelinePassesChanged(RPI::RenderPipeline* renderPipeline) override;
             void OnRenderPipelineAdded(RPI::RenderPipelinePtr pipeline) override;
             void OnRenderPipelineRemoved(RPI::RenderPipeline* pipeline) override;
@@ -110,6 +115,9 @@ namespace AZ
             // side list of diffuse probe grids that are in real-time mode (subset of m_diffuseProbeGrids)
             DiffuseProbeGridVector m_realTimeDiffuseProbeGrids;
 
+            // side list of diffuse probe grids that are in real-time mode and visible (subset of m_realTimeDiffuseProbeGrids)
+            DiffuseProbeGridVector m_visibleRealTimeDiffuseProbeGrids;
+
             // position structure for the box vertices
             struct Position
             {

Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGridRayTracingPass.cpp

@@ -131,7 +131,7 @@ namespace AZ
             }
 
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
-            if (!diffuseProbeGridFeatureProcessor || diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids().empty())
+            if (!diffuseProbeGridFeatureProcessor || diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids().empty())
             {
                 // no diffuse probe grids
                 return;
@@ -148,9 +148,9 @@ namespace AZ
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
             RayTracingFeatureProcessor* rayTracingFeatureProcessor = scene->GetFeatureProcessor<RayTracingFeatureProcessor>();
 
-            frameGraph.SetEstimatedItemCount(aznumeric_cast<uint32_t>(diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids().size()));
+            frameGraph.SetEstimatedItemCount(aznumeric_cast<uint32_t>(diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids().size()));
 
-            for (const auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+            for (const auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
             {
                 // TLAS
                 {
@@ -255,7 +255,7 @@ namespace AZ
                 rayTracingFeatureProcessor->GetMeshInfoBuffer() &&
                 rayTracingFeatureProcessor->GetSubMeshCount())
             {
-                for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+                for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
                 {
                     // the diffuse probe grid Srg must be updated in the Compile phase in order to successfully bind the ReadWrite shader
                     // inputs (see line ValidateSetImageView() in ShaderResourceGroupData.cpp)
@@ -303,7 +303,7 @@ namespace AZ
                 m_rayTracingShaderTable)
             {
                 // submit the DispatchRaysItem for each DiffuseProbeGrid
-                for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+                for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
                 {
                     const RHI::ShaderResourceGroup* shaderResourceGroups[] = {
                         diffuseProbeGrid->GetRayTraceSrg()->GetRHIShaderResourceGroup(),

Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGridRelocationPass.cpp

@@ -86,7 +86,7 @@ namespace AZ
             RPI::Scene* scene = m_pipeline->GetScene();
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
 
-            if (!diffuseProbeGridFeatureProcessor || diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids().empty())
+            if (!diffuseProbeGridFeatureProcessor || diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids().empty())
             {
                 // no diffuse probe grids
                 return;
@@ -103,7 +103,7 @@ namespace AZ
 
             // create the Relocation Srgs for each DiffuseProbeGrid, and check to see if any grids need relocation
             bool needRelocation = false;
-            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
             {
                 uint32_t rayTracingDataRevision = rayTracingFeatureProcessor->GetRevision();
                 if (rayTracingDataRevision != m_rayTracingDataRevision)
@@ -134,7 +134,7 @@ namespace AZ
 
             RPI::Scene* scene = m_pipeline->GetScene();
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
-            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
             {
                 // probe raytrace image
                 {
@@ -162,7 +162,7 @@ namespace AZ
         {
             RPI::Scene* scene = m_pipeline->GetScene();
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
-            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
             {
                 // the diffuse probe grid Srg must be updated in the Compile phase in order to successfully bind the ReadWrite shader inputs
                 // (see ValidateSetImageView() in ShaderResourceGroupData.cpp)
@@ -182,7 +182,7 @@ namespace AZ
             DiffuseProbeGridFeatureProcessor* diffuseProbeGridFeatureProcessor = scene->GetFeatureProcessor<DiffuseProbeGridFeatureProcessor>();
 
             // submit the DispatchItems for each DiffuseProbeGrid
-            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetRealTimeProbeGrids())
+            for (auto& diffuseProbeGrid : diffuseProbeGridFeatureProcessor->GetVisibleRealTimeProbeGrids())
             {
                 const RHI::ShaderResourceGroup* shaderResourceGroup = diffuseProbeGrid->GetRelocationSrg()->GetRHIShaderResourceGroup();
                 commandList->SetShaderResourceGroupForDispatch(*shaderResourceGroup);

Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGridRenderPass.cpp

@@ -94,7 +94,12 @@ namespace AZ
                 {
                     continue;
                 }
-                    
+
+                if (!diffuseProbeGrid->GetIsVisible())
+                {
+                    continue;
+                }
+
                 // probe irradiance image
                 {
                     if (diffuseProbeGrid->GetMode() == DiffuseProbeGridMode::Baked)
@@ -182,6 +187,11 @@ namespace AZ
                     continue;
                 }
 
+                if (!diffuseProbeGrid->GetIsVisible())
+                {
+                    continue;
+                }
+
                 // the diffuse probe grid Srg must be updated in the Compile phase in order to successfully bind the ReadWrite shader inputs
                 // (see ValidateSetImageView() of ShaderResourceGroupData.cpp)
                 diffuseProbeGrid->UpdateRenderObjectSrg();

Gems/Atom/RPI/Code/Include/Atom/RPI.Public/Culling.h

@@ -91,6 +91,10 @@ namespace AZ
             };
             LodData m_lodData;
 
+            //! Flag indicating if the object is visible in any view, meaning it passed the culling tests in the previous frame.
+            //! This flag must be manually cleared by the Cullable object every frame.
+            bool m_isVisible = false;
+
             //! Flag indicating if the object is hidden, i.e., was specifically marked as
             //! something that shouldn't be rendered, regardless of its actual position relative to the camera
             bool m_isHidden = false;

Gems/Atom/RPI/Code/Source/RPI.Public/Culling.cpp

@@ -339,6 +339,7 @@ namespace AZ
                                     {
                                         numDrawPackets += AddLodDataToView(c->m_cullData.m_boundingSphere.GetCenter(), c->m_lodData, *m_jobData->m_view);
                                         ++numVisibleCullables;
+                                        c->m_isVisible = true;
                                     }
                                 }
                             }
@@ -374,6 +375,7 @@ namespace AZ
                                     {
                                         numDrawPackets += AddLodDataToView(c->m_cullData.m_boundingSphere.GetCenter(), c->m_lodData, *m_jobData->m_view);
                                         ++numVisibleCullables;
+                                        c->m_isVisible = true;
                                     }
                                 }
                             }