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Headers are updated to contain any missing #includes needed to compile and #includes are sorted. Nothing is removed. #ushell-cherrypick of 21064294 by bryan.sefcik #jira #preflight 62d5c2111062f2e63015e598 #ROBOMERGE-OWNER: bryan.sefcik #ROBOMERGE-AUTHOR: bryan.sefcik #ROBOMERGE-SOURCE: CL 21155249 via CL 21158121 via CL 21161259 #ROBOMERGE-BOT: UE5 (Release-Engine-Staging -> Main) (v972-20964824) [CL 21182053 by bryan sefcik in ue5-main branch]
88 lines
3.0 KiB
C++
88 lines
3.0 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "DerivedDataBuildJob.h"
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#include "DerivedDataBuildKey.h"
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#include "DerivedDataRequest.h"
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#include "HAL/Platform.h"
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#include "Templates/RefCounting.h"
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#include "Templates/UniquePtr.h"
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namespace UE::DerivedData { class IBuildJobSchedule; }
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namespace UE::DerivedData { class IRequestOwner; }
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namespace UE::DerivedData { struct FBuildSchedulerParams; }
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namespace UE { namespace DerivedData { class IBuildJob; } }
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namespace UE::DerivedData
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{
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/**
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* A build scheduler is responsible for deciding when and where a job executes in certain states.
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*
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* Jobs dispatch themselves to their scheduler when they are prepared to access limited resources
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* such as: memory, compute, storage, network. A scheduler may allow a job to execute immediately
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* or may queue it to execute later. A scheduler that uses a job queue is expected to execute the
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* jobs in priority order, respecting updates to priority.
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*/
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class IBuildScheduler
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{
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public:
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virtual ~IBuildScheduler() = default;
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/** Begin processing of the job by this scheduler. Always paired with IBuildJobSchedule::EndJob. */
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virtual TUniquePtr<IBuildJobSchedule> BeginJob(IBuildJob& Job, IRequestOwner& Owner) = 0;
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};
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/** Parameters that describe a build job to the build scheduler. */
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struct FBuildSchedulerParams
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{
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FBuildActionKey Key;
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/** Total size of constants and inputs, whether resolved or not. */
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uint64 TotalInputsSize = 0;
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/** Total size of constants and resolved inputs that are in memory now. */
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uint64 ResolvedInputsSize = 0;
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/** Total size of inputs that need to be resolved for local execution. Available in ResolveInputData. */
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uint64 MissingLocalInputsSize = 0;
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/** Total size of inputs that need to be resolved for remote execution. Available in ResolveInputData. */
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uint64 MissingRemoteInputsSize = 0;
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/** Estimate of the peak memory required to execute the build, including constants and inputs. */
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uint64 TotalRequiredMemory = 0;
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};
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/** Scheduling interface and context for a build job. */
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class IBuildJobSchedule
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{
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public:
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virtual ~IBuildJobSchedule() = default;
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virtual FBuildSchedulerParams& EditParameters() = 0;
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/** Calls StepExecution() now or later. */
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virtual void ScheduleCacheQuery() = 0;
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/** Calls StepExecution() now or later. */
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virtual void ScheduleCacheStore() = 0;
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/** Calls StepExecution() now or later. */
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virtual void ScheduleResolveKey() = 0;
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/** Calls StepExecution() now or later. */
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virtual void ScheduleResolveInputMeta() = 0;
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/**
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* Calls StepExecution() or SkipExecuteRemote() now or later.
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*
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* SkipExecuteRemote() won't be called unless MissingRemoteInputsSize is non-zero.
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*/
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virtual void ScheduleResolveInputData() = 0;
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/** Calls StepExecution() or SkipExecuteRemote() now or later. */
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virtual void ScheduleExecuteRemote() = 0;
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/** Calls StepExecution() now or later. */
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virtual void ScheduleExecuteLocal() = 0;
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/** End processing of the job by this scheduler. Always paired with IBuildScheduler::BeginJob. */
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virtual void EndJob() = 0;
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};
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} // UE::DerivedData
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