MaterialCacheSceneExtension.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "MaterialCacheMeshProcessor.h"
#include "MaterialCacheSceneData.h"
#include "SceneExtensions.h"
#include "PrimitiveComponentId.h"
 
class FPrimitiveSceneProxy;
class IAllocatedVirtualTexture;
struct FMaterialCacheSceneExtensionData;
struct FMaterialCachePrimitiveData;
struct FMaterialCacheProviderData;
class UMaterialCacheVirtualTextureTag;
 
class FMaterialCacheSceneExtension : public ISceneExtension
{
    DECLARE_SCENE_EXTENSION(RENDERER_API, FMaterialCacheSceneExtension);
 
public:
    FMaterialCacheSceneExtension(FScene& InScene);
 
    FMaterialCachePrimitiveData* GetPrimitiveData(FPrimitiveComponentId PrimitiveComponentId) const;
 
    void ClearCachedPrimitiveData();
 
public:
    TMap<FGuid, FMaterialCachePendingTagBucket> TagBuckets;
    
public: 
    static bool ShouldCreateExtension(FScene& Scene);
    virtual ISceneExtensionUpdater* CreateUpdater() override;
 
private:
    TUniquePtr<FMaterialCacheSceneExtensionData> Data;
};