IMaterialCacheTagProvider.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "MaterialCacheTagSceneData.h"
#include "PrimitiveComponentId.h"
 
struct FGuid;
struct FVTProducerDescription;
struct FMaterialCacheTagLayout;
class  IAllocatedVirtualTexture;
class  FSceneInterface;
 
using FMaterialCacheTagProviderSceneInvalidationDelegate = void(*)(void* Baton);
 
class IMaterialCacheTagProvider
{
public:
    virtual ~IMaterialCacheTagProvider() = default;
 
    virtual FMaterialCacheTagBindingData GetBindingData(const FGuid& Guid) = 0;
 
    virtual FMaterialCacheTagUniformData GetUniformData(const FGuid& Guid) = 0;
 
    virtual void Register(FSceneInterface* Scene, FPrimitiveComponentId PrimitiveComponentId, const FMaterialCacheTagLayout& TagLayout, IAllocatedVirtualTexture* VirtualTexture) = 0;
 
    virtual void Unregister(FSceneInterface* Scene, FPrimitiveComponentId PrimitiveComponentId, const FGuid& TagGuid, IAllocatedVirtualTexture* VirtualTexture) = 0;
 
    virtual void Flush(FSceneInterface* Scene, FPrimitiveComponentId PrimitiveComponentId, const FGuid& TagGuid) = 0;
 
    virtual void AddTagSceneInvalidationCallback(const FGuid& TagGuid, FMaterialCacheTagProviderSceneInvalidationDelegate Delegate, void* Baton) = 0;
 
    virtual void RemoveTagSceneInvalidationCallbacks(void* Baton) = 0;
 
    virtual IVirtualTexture* CreateProducer(FSceneInterface* Scene, FPrimitiveComponentId PrimitiveComponentId, const FMaterialCacheTagLayout& TagLayout, const FVTProducerDescription& ProducerDesc) = 0;
};