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UnrealEngine/Engine/Source/Runtime/Renderer/Public/GlobalDistanceFieldReadback.h
2025-05-18 13:04:45 +08:00

31 lines
869 B
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "Async/TaskGraphInterfaces.h"
#include "HAL/IConsoleManager.h"
#include "Math/Box.h"
#include "Math/Float16Color.h"
#include "Math/IntVector.h"
class FGlobalDistanceFieldReadback
{
public:
DECLARE_DELEGATE(FCompleteDelegate);
FBox Bounds;
FIntVector Size;
TArray<FFloat16Color> ReadbackData;
FCompleteDelegate ReadbackComplete;
ENamedThreads::Type CallbackThread = ENamedThreads::UnusedAnchor;
};
/**
* Retrieves the GPU data of a global distance field clipmap for access by the CPU
*
* @note: Currently only works with the highest res clipmap on the first updated view in the frame
**/
extern void RequestGlobalDistanceFieldReadback(FGlobalDistanceFieldReadback* Readback);
void RENDERER_API RequestGlobalDistanceFieldReadback_GameThread(FGlobalDistanceFieldReadback* Readback);