Adding tone mapping option to Material Editor

Gems/Atom/Tools/MaterialEditor/Code/Source/Viewport/MaterialViewportComponent.cpp

@@ -508,6 +508,17 @@ namespace MaterialEditor
         return m_fieldOfView;
     }
 
+    void MaterialViewportComponent::SetDisplayMapperOperationType(AZ::Render::DisplayMapperOperationType operationType)
+    {
+        m_displayMapperOperationType = operationType;
+        MaterialViewportNotificationBus::Broadcast(&MaterialViewportNotificationBus::Events::OnDisplayMapperOperationTypeChanged, operationType);
+    }
+
+    AZ::Render::DisplayMapperOperationType MaterialViewportComponent::GetDisplayMapperOperationType() const
+    {
+        return m_displayMapperOperationType;
+    }
+
     void MaterialViewportComponent::OnCatalogLoaded([[maybe_unused]] const char* catalogFile)
     {
         AZ::TickBus::QueueFunction([this]() {

Gems/Atom/Tools/MaterialEditor/Code/Source/Viewport/MaterialViewportComponent.h

@@ -12,6 +12,8 @@
 
 #pragma once
 
+#include <ACES/Aces.h>
+
 #include <AzCore/Component/Component.h>
 #include <AzFramework/Asset/AssetCatalogBus.h>
 
@@ -85,6 +87,8 @@ namespace MaterialEditor
         bool GetAlternateSkyboxEnabled() const override;
         void SetFieldOfView(float fieldOfView) override;
         float GetFieldOfView() const override;
+        void SetDisplayMapperOperationType(AZ::Render::DisplayMapperOperationType operationType) override;
+        AZ::Render::DisplayMapperOperationType GetDisplayMapperOperationType() const override;
         ////////////////////////////////////////////////////////////////////////
 
         ////////////////////////////////////////////////////////////////////////
@@ -111,5 +115,6 @@ namespace MaterialEditor
         bool m_gridEnabled = true;
         bool m_alternateSkyboxEnabled = false;
         float m_fieldOfView = 90.0f;
+        AZ::Render::DisplayMapperOperationType m_displayMapperOperationType = AZ::Render::DisplayMapperOperationType::Aces;
     };
 }

Gems/Atom/Tools/MaterialEditor/Code/Source/Viewport/MaterialViewportRenderer.cpp

@@ -33,6 +33,7 @@
 #include <Atom/Feature/PostProcessing/PostProcessingConstants.h>
 #include <Atom/Feature/PostProcess/PostProcessFeatureProcessorInterface.h>
 #include <Atom/Feature/ImageBasedLights/ImageBasedLightFeatureProcessorInterface.h>
+#include <Atom/Feature/ACES/AcesDisplayMapperFeatureProcessor.h>
 #include <Atom/Component/DebugCamera/NoClipControllerComponent.h>
 
 #include <Atom/Document/MaterialDocumentRequestBus.h>
@@ -145,9 +146,11 @@ namespace MaterialEditor
         m_postProcessEntity->Activate();
 
         // Init directional light processor
-
         m_directionalLightFeatureProcessor = m_scene->GetFeatureProcessor<AZ::Render::DirectionalLightFeatureProcessorInterface>();
 
+        // Init display mapper processor
+        m_displayMapperFeatureProcessor = m_scene->GetFeatureProcessor<Render::DisplayMapperFeatureProcessorInterface>();
+
         // Init Skybox
 
         m_skyboxFeatureProcessor = m_scene->GetFeatureProcessor<AZ::Render::SkyBoxFeatureProcessorInterface>();
@@ -414,6 +417,13 @@ namespace MaterialEditor
         MaterialEditorViewportInputControllerRequestBus::Broadcast(&MaterialEditorViewportInputControllerRequestBus::Handler::SetFieldOfView, fieldOfView);
     }
 
+    void MaterialViewportRenderer::OnDisplayMapperOperationTypeChanged(AZ::Render::DisplayMapperOperationType operationType)
+    {
+        AZ::Render::DisplayMapperConfigurationDescriptor desc;
+        desc.m_operationType = operationType;
+        m_displayMapperFeatureProcessor->RegisterDisplayMapperConfiguration(desc);
+    }
+
     void MaterialViewportRenderer::OnAssetReady(AZ::Data::Asset<AZ::Data::AssetData> asset)
     {
         if (m_modelAssetId == asset.GetId())

Gems/Atom/Tools/MaterialEditor/Code/Source/Viewport/MaterialViewportRenderer.h

@@ -27,6 +27,11 @@
 
 namespace AZ
 {
+    namespace Render
+    {
+        class DisplayMapperFeatureProcessorInterface;
+    }
+
     class Entity;
     class Component;
 
@@ -71,6 +76,7 @@ namespace MaterialEditor
         void OnGridEnabledChanged(bool enable) override;
         void OnAlternateSkyboxEnabledChanged(bool enable) override;
         void OnFieldOfViewChanged(float fieldOfView) override;
+        void OnDisplayMapperOperationTypeChanged(AZ::Render::DisplayMapperOperationType operationType) override;
 
         // AZ::Data::AssetBus::Handler interface overrides...
         void OnAssetReady(AZ::Data::Asset<AZ::Data::AssetData> asset) override;
@@ -92,6 +98,7 @@ namespace MaterialEditor
         AZ::RPI::RenderPipelinePtr m_renderPipeline;
         AZ::RPI::ScenePtr m_scene;
         AZ::Render::DirectionalLightFeatureProcessorInterface* m_directionalLightFeatureProcessor = nullptr;
+        AZ::Render::DisplayMapperFeatureProcessorInterface* m_displayMapperFeatureProcessor = nullptr;
 
         AZ::Entity* m_cameraEntity = nullptr;
         AZ::Component* m_cameraComponent = nullptr;