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048e8bc0fd
mark places that need fixing with [at]todo RequiredMemory add DebugName to Task and Work to track down sources of the work items #preflight https://horde.devtools.epicgames.com/job/63eabe61b96a6b2718336f8f #rb danny.couture [CL 24201094 by charles bloom in ue5-main branch]
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreTypes.h"
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#define UE_API DERIVEDDATACACHE_API
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class FQueuedThreadPool;
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template <typename FuncType> class TUniqueFunction;
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namespace UE::DerivedData { class IRequestOwner; }
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namespace UE::DerivedData
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{
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/**
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* Launches a task in the thread pool that tracks the priority of the request owner.
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*
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* Waiting on or canceling the task before it has started executing in the thread pool will cause
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* it to be retracted and executed on the thread that asked to wait or cancel.
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*
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* Passing a null thread pool will execute the task immediately on the calling thread.
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*
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* TaskBody is guaranteed to return before the request is considered complete.
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* TaskBody is responsible for checking for cancellation by checking Owner.IsCanceled().
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*
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* @param MemoryEstimate The estimated peak memory required to execute TaskBody.
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* @param Owner The owner of the request that will execute TaskBody.
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* @param ThreadPool The thread pool within which to execute the task, if not retracted.
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* @param TaskBody The task body that will be unconditionally executed exactly once.
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*/
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UE_API void LaunchTaskInThreadPool(
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uint64 MemoryEstimate,
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const TCHAR * DebugName,
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IRequestOwner& Owner,
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FQueuedThreadPool* ThreadPool,
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TUniqueFunction<void ()>&& TaskBody);
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UE_API void LaunchTaskInThreadPool(
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IRequestOwner& Owner,
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FQueuedThreadPool* ThreadPool,
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TUniqueFunction<void ()>&& TaskBody);
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} // UE::DerivedData
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#undef UE_API
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