You've already forked UnrealEngineUWP
mirror of
https://github.com/izzy2lost/UnrealEngineUWP.git
synced 2026-03-26 18:15:20 -07:00
84 lines
3.4 KiB
C++
84 lines
3.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
#pragma once
|
|
|
|
#include "DerivedDataBuildJob.h"
|
|
#include "DerivedDataBuildKey.h"
|
|
|
|
namespace UE::DerivedData { struct FBuildSchedulerParams; }
|
|
|
|
namespace UE::DerivedData
|
|
{
|
|
|
|
/**
|
|
* A build scheduler is responsible for deciding when and where a job executes in certain states.
|
|
*
|
|
* Jobs dispatch themselves to their scheduler when they are prepared to access limited resources
|
|
* such as: memory, compute, storage, network. A scheduler may allow a job to execute immediately
|
|
* or may queue it to execute later. A scheduler that uses a job queue is expected to execute the
|
|
* jobs in priority order, respecting updates to priority.
|
|
*/
|
|
class IBuildScheduler
|
|
{
|
|
public:
|
|
virtual ~IBuildScheduler() = default;
|
|
|
|
/** Begin processing of the job by this scheduler. Always paired with EndJob. */
|
|
virtual void BeginJob(IBuildJob* Job) {}
|
|
|
|
/** End processing of the job by this scheduler. Always paired with BeginJob. */
|
|
virtual void EndJob(IBuildJob* Job) {}
|
|
|
|
/** Dispatch the job immediately if it is queued. May be called multiple times and/or concurrently. */
|
|
virtual void CancelJob(IBuildJob* Job) {}
|
|
|
|
/** Update the priority of the job if it is queued. May be called multiple times and/or concurrently. */
|
|
virtual void UpdateJobPriority(IBuildJob* Job) {}
|
|
|
|
/** Dispatch by calling Schedule or SetOutput, either now or later. */
|
|
virtual void DispatchCacheQuery(IBuildJob* Job, const FBuildSchedulerParams& Params) { Job->Schedule(); }
|
|
|
|
/** Dispatch by calling Schedule, either now or later. */
|
|
virtual void DispatchCacheStore(IBuildJob* Job, const FBuildSchedulerParams& Params) { Job->Schedule(); }
|
|
|
|
/** Dispatch by calling Schedule, either now or later. */
|
|
virtual void DispatchResolveKey(IBuildJob* Job) { Job->Schedule(); }
|
|
|
|
/** Dispatch by calling Schedule, either now or later. */
|
|
virtual void DispatchResolveInputMeta(IBuildJob* Job) { Job->Schedule(); }
|
|
|
|
/**
|
|
* Dispatch by calling Schedule, SetOutput, or SkipExecuteRemote, either now or later.
|
|
*
|
|
* SkipExecuteRemote is only valid to call when MissingRemoteInputsSize is non-zero.
|
|
*/
|
|
virtual void DispatchResolveInputData(IBuildJob* Job, const FBuildSchedulerParams& Params) { Job->Schedule(); }
|
|
|
|
/** Dispatch by calling Schedule, SetOutput, or SkipExecuteRemote, either now or later. */
|
|
virtual void DispatchExecuteRemote(IBuildJob* Job, const FBuildSchedulerParams& Params) { Job->Schedule(); }
|
|
|
|
/** Dispatch by calling Schedule or SetOutput, either now or later. */
|
|
virtual void DispatchExecuteLocal(IBuildJob* Job, const FBuildSchedulerParams& Params) { Job->Schedule(); }
|
|
|
|
/** Set the output of the job. Always called once between BeginJob and EndJob unless canceled. */
|
|
virtual void SetJobOutput(IBuildJob* Job, const FBuildSchedulerParams& Params, const FBuildOutput& Output) {}
|
|
};
|
|
|
|
/** Parameters that describe a build job to the build scheduler. */
|
|
struct FBuildSchedulerParams
|
|
{
|
|
FBuildActionKey Key;
|
|
|
|
/** Total size of constants and inputs, whether resolved or not. */
|
|
uint64 TotalInputsSize = 0;
|
|
/** Total size of constants and resolved inputs that are in memory now. */
|
|
uint64 ResolvedInputsSize = 0;
|
|
|
|
/** Total size of inputs that need to be resolved for local execution. Available in ResolveInputData. */
|
|
uint64 MissingLocalInputsSize = 0;
|
|
/** Total size of inputs that need to be resolved for remote execution. Available in ResolveInputData. */
|
|
uint64 MissingRemoteInputsSize = 0;
|
|
};
|
|
|
|
} // UE::DerivedData
|