VirtualTextureChunkDDCCache.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#if WITH_EDITOR
 
#include "CoreMinimal.h"
 
class FAsyncFillCacheWorker;
template<typename TTask> class FAsyncTask;
struct FVirtualTextureDataChunk;
 
class FVirtualTextureChunkDDCCache
{
public:
    void Initialize();
    void ShutDown();
 
    void UpdateRequests();
    void WaitFlushRequests_AnyThread();
 
    bool MakeChunkAvailable(FVirtualTextureDataChunk* Chunk, bool bAsync, FString& OutChunkFileName, int64& OutOffsetInFile);
 
    void MakeChunkAvailable_Concurrent(FVirtualTextureDataChunk* Chunk);
private:
    FString AbsoluteCachePath;
    TArray<FVirtualTextureDataChunk*> ActiveChunks;
    TArray<FAsyncTask<FAsyncFillCacheWorker>*> ActiveTasks;
    FCriticalSection ActiveTasksLock;
};
 
FVirtualTextureChunkDDCCache* GetVirtualTextureChunkDDCCache();
 
#endif