RayTracingStreamableAsset.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "Memory/MemoryFwd.h"
#include "CoreMinimal.h"
 
class FBulkDataBatchRequest;
class FIoBuffer;
class FRHICommandListBase;
class FRHIResourceReplaceBatcher;
 
class FRayTracingStreamableAsset
{
public:
    virtual uint32 GetRequestSize() const = 0;
    virtual uint32 GetRequestSizeBVH() const = 0;
    virtual uint32 GetRequestSizeBuffers() const = 0;
 
    virtual bool AreBuffersStreamedIn() const = 0;
    virtual bool IsBVHStreamedIn() const = 0;
 
    virtual void IssueRequest(FBulkDataBatchRequest& Request, FIoBuffer& RequestBuffer, bool bBuffersOnly = false) = 0;
    virtual void InitWithStreamedData(FRHICommandListBase& RHICmdList, FMemoryView StreamedData, bool bBuffersOnly = false) = 0;
    virtual void ReleaseForStreaming(FRHIResourceReplaceBatcher& Batcher) = 0;
    virtual void ReleaseBVHForStreaming(FRHIResourceReplaceBatcher& Batcher) = 0;
    virtual void ReleaseBuffersForStreaming(FRHIResourceReplaceBatcher& Batcher) = 0;
};