_ak_memory_mgr_8h

Wwise SDK 2022.1.12

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 released in source code form as part of the SDK installer package.
  
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 "Apache License"); you may not use this file except in compliance with the
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 /// \file
 /// Memory Manager namespace.
  
 #ifndef _AKMEMORYMGR_H_
 #define _AKMEMORYMGR_H_
  
 #if !defined( AK_OPTIMIZED ) && !( defined AK_DISABLE_MEMDEBUG )
     #ifndef AK_MEMDEBUG
         #define AK_MEMDEBUG
     #endif
 #endif
  
 #include <AK/SoundEngine/Common/AkTypes.h>
 #include <AK/SoundEngine/Common/AkSoundEngineExport.h>
  
 struct AkMemSettings;
  
 /// Memory category IDs.
 enum AkMemID
 {
     AkMemID_Object,                 ///< Generic placeholder for allocations tied to the Wwise project.
     AkMemID_Event,                  ///< Events from the Wwise project.
     AkMemID_Structure,              ///< Structures from the Wwise project.
     AkMemID_Media,                  ///< Media from the Wwise project.
     AkMemID_GameObject,             ///< Game Objects and related.
     AkMemID_Processing,             ///< Anything tied to instancing and processing of the DSP graph.
     AkMemID_ProcessingPlugin,       ///< Plug-in allocations related to the DSP graph.
     AkMemID_Streaming,              ///< Streaming Manager objects.
     AkMemID_StreamingIO,            ///< Streaming Manager I/O memory.
     AkMemID_SpatialAudio,           ///< Spatial audio.
     AkMemID_SpatialAudioGeometry,   ///< Spatial audio geometry data.
     AkMemID_SpatialAudioPaths,      ///< Spatial audio paths data.
     AkMemID_GameSim,                ///< Game Simulator allocations.
     AkMemID_MonitorQueue,           ///< Monitor Queue.
     AkMemID_Profiler,               ///< Profiler.
     AkMemID_FilePackage,            ///< File packager.
     AkMemID_SoundEngine,            ///< Base sound engine allocations (managers, etc).
     AkMemID_Integration,            ///< Game engine integration allocations.
     AkMemID_JobMgr,                 ///< Allocations for Sound Engine jobs and job dependencies.
  
     AkMemID_NUM,                    ///< Category count.
     AkMemID_MASK = 0x1FFFFFFF,      ///< Mask for category IDs.
  
     AkMemType_Media = 0x20000000,   ///< Media memory type bit.
     AkMemType_Device = 0x40000000,  ///< Device memory type bit.
     AkMemType_NoTrack = 0x80000000  ///< Do not track this allocation.
 };
  
 namespace AK
 {
     /// Memory Manager namespace.
     /// \remarks The functions in this namespace are thread-safe, unless stated otherwise.
     /// \sa
     /// - \ref memorymanager
     namespace MemoryMgr
     {
         /// Memory category statistics.
         /// \remarks These statistics are not collected in the Release configuration of
         /// the default memory manager implementation.
         /// \sa
         /// - AK::MemoryMgr::GetCategoryStats()
         /// - \ref memorymanager
         struct CategoryStats
         {
             // Current state
             AkUInt64 uUsed;         ///< Used memory (in bytes)
  
             // Statistics
             AkUInt64 uPeakUsed;     ///< Peak used memory (in bytes)
             AkUInt32 uAllocs;       ///< Number of allocation calls since initialization
             AkUInt32 uFrees;        ///< Number of free calls since initialization
         };
  
         /// Memory global statistics.
         /// \remarks These statistics are not collected in the Release configuration of
         /// the default memory manager implementation.
         /// \sa
         /// - AK::MemoryMgr::GetGlobalStats()
         /// - \ref memorymanager
         struct GlobalStats
         {
             AkUInt64 uUsed;         ///< Total memory used including all categories (in bytes)
             AkUInt64 uDeviceUsed;   ///< Total device memory used including all categories (in bytes)
             AkUInt64 uReserved;     ///< Total reserved memory. (Used and unused). Will return 0 if the reserved memory is not traceable.
             AkUInt64 uMax;          ///< Maximum total allocation size, specified in the initialization settings through uMemAllocationSizeLimit. Will be 0 if no limit was set.
         };
  
         ////////////////////////////////////////////////////////////////////////
         /// @name Initialization
         //@{
  
         /// Query whether the Memory Manager has been sucessfully initialized.
         /// \warning This function is not thread-safe. It should not be called at the same time as MemoryMgr::Init or MemoryMgr::Term.
         /// \return True if the Memory Manager is initialized, False otherwise
         /// \sa
         /// - AK::MemoryMgr::Init()
         /// - \ref memorymanager
         AK_EXTERNAPIFUNC( bool, IsInitialized )();
  
         /// Terminate the Memory Manager.
         /// \warning This function is not thread-safe. It is not valid to allocate memory or otherwise interact with the memory manager during or after this call.
         /// \sa
         /// - \ref memorymanager
         AK_EXTERNAPIFUNC( void, Term )();
  
         /// Performs whatever steps are required to initialize a thread for use with the memory manager.
         /// For example initializing thread local storage that the allocator requires to work.
         /// The default implementation of the memory manager performs thread initialization automatically and therefore this call is optional.
         /// For implementations where the cost of automatically initializing a thread for use with an allocator would be prohibitively expensive
         /// this call allows you to perform the initialization once during, for example, thread creation.
         /// \sa
         /// - AkMemInitForThread
         AK_EXTERNAPIFUNC( void, InitForThread )();
  
         /// Allows you to manually terminate a thread for use with the memory manager.
         /// The default implementation of the memory manager requires that all threads that interact with the memory manager call this function prior
         /// to either their termination or the termination of the memory manager. Threads not created by the sound engine itself will not have this
         /// function called for them automatically.
         /// Take care to call this function for any thread, not owned by wwise, that may have interacted with the memory manager. For example job system workers.
         /// \sa
         /// - AkMemTermForThread
         AK_EXTERNAPIFUNC( void, TermForThread )();
  
         /// Allows you to "trim" a thread being used with the memory manager.
         /// This is a function that will be called periodically by some Wwise-owned threads,
         /// so that any thread-local state can be cleaned up in order to return memory for other systems to use.
         /// For example, this can be used to return thread-local heaps to global stores or to finalize other deferred operations.
         /// This function is only required for optimization purposes and does not have to be defined.
         /// Therefore, unlike TermForThread, this is not expected to be called in all scenarios by Wwise.
         /// It is also recommended to be called by game engine integrations in any worker threads that run Wwise jobs.
         /// Refer to \ref eventmgrthread_jobmgr_best_practices for more information.
         /// \sa
         /// - AkMemTrimForThread
         AK_EXTERNAPIFUNC( void, TrimForThread )();
  
         //@}
  
         ////////////////////////////////////////////////////////////////////////
         /// @name Memory Allocation
         //@{
  
 #ifdef AK_MEMDEBUG
         /// Allocate memory: debug version.
         /// \return A pointer to the start of the allocated memory (NULL if the allocation could not be completed)
         /// \sa
         /// - \ref memorymanager
         AK_EXTERNAPIFUNC( void *, dMalloc )(
             AkMemPoolId in_poolId,              ///< ID of the memory category (AkMemID)
             size_t      in_uSize,               ///< Number of bytes to allocate
             const char *in_pszFile,             ///< Debug file name
             AkUInt32    in_uLine                ///< Debug line number
             );
 #endif // AK_MEMDEBUG
  
         /// Allocate memory.
         /// \return A pointer to the start of the allocated memory (NULL if the allocation could not be completed)
         /// \sa
         /// - \ref memorymanager
         AK_EXTERNAPIFUNC( void *, Malloc )(
             AkMemPoolId in_poolId,              ///< ID of the memory category (AkMemID)
             size_t      in_uSize                ///< Number of bytes to allocate
             );
  
 #ifdef AK_MEMDEBUG
         /// Reallocate memory: debug version.
         /// \return A pointer to the start of the reallocated memory (NULL if the allocation could not be completed)
         /// \sa
         /// - \ref memorymanager
         AK_EXTERNAPIFUNC( void*, dRealloc )(
             AkMemPoolId in_poolId,
             void        *in_pAlloc,
             size_t      in_uSize,
             const char  *in_pszFile,
             AkUInt32    in_uLine
             );
 #endif // AK_MEMDEBUG
  
         /// Reallocate memory.
         /// \return A pointer to the start of the reallocated memory (NULL if the allocation could not be completed)
         /// \sa
         /// - \ref memorymanager
         AK_EXTERNAPIFUNC( void *, Realloc )(
             AkMemPoolId in_poolId,              ///< ID of the memory category (AkMemID)
             void *      in_pAlloc,              ///< Pointer to the start of the allocated memory
             size_t      in_uSize                ///< Number of bytes to allocate
             );
  
 #ifdef AK_MEMDEBUG
         /// Reallocate memory: debug version.
         /// \return A pointer to the start of the reallocated memory (NULL if the allocation could not be completed)
         /// \sa
         /// - \ref memorymanager
         AK_EXTERNAPIFUNC( void*, dReallocAligned )(
             AkMemPoolId in_poolId,              ///< ID of the memory category (AkMemID)
             void        *in_pAlloc,             ///< Pointer to the start of the allocated memory
             size_t      in_uSize,               ///< Number of bytes to allocate
             AkUInt32    in_uAlignment,          ///< Alignment (in bytes)
             const char  *in_pszFile,            ///< Debug file name
             AkUInt32    in_uLine                ///< Debug line number
             );
 #endif // AK_MEMDEBUG
  
         /// Reallocate memory.
         /// \return A pointer to the start of the reallocated memory (NULL if the allocation could not be completed)
         /// \sa
         /// - \ref memorymanager
         AK_EXTERNAPIFUNC( void *, ReallocAligned )(
             AkMemPoolId in_poolId,              ///< ID of the memory category (AkMemID)
             void *      in_pAlloc,              ///< Pointer to the start of the allocated memory
             size_t      in_uSize,               ///< Number of bytes to allocate
             AkUInt32    in_uAlignment           ///< Alignment (in bytes)
             );
  
         /// Free memory allocated with the memory manager.
         /// \sa
         /// - \ref memorymanager
         AK_EXTERNAPIFUNC( void, Free )(
             AkMemPoolId in_poolId,              ///< ID of the memory category (AkMemID)
             void *      in_pMemAddress          ///< Pointer to the start of memory
             );
  
 #ifdef AK_MEMDEBUG
         /// Allocate memory with a specific alignment. debug version.
         /// \return A pointer to the start of the allocated memory (NULL if the allocation could not be completed)
         /// \sa
         /// - \ref memorymanager
         AK_EXTERNAPIFUNC( void *, dMalign )(
             AkMemPoolId in_poolId,              ///< ID of the memory category (AkMemID)
             size_t      in_uSize,               ///< Number of bytes to allocate
             AkUInt32    in_uAlignment,          ///< Alignment (in bytes)
             const char*  in_pszFile,            ///< Debug file name
             AkUInt32    in_uLine                ///< Debug line number
             );
 #endif // AK_MEMDEBUG
  
         /// Allocate memory with a specific alignment.
         /// \return A pointer to the start of the allocated memory (NULL if the allocation could not be completed)
         /// \sa
         /// - \ref memorymanager
         AK_EXTERNAPIFUNC( void *, Malign )(
             AkMemPoolId in_poolId,              ///< ID of the memory category (AkMemID)
             size_t      in_uSize,               ///< Number of bytes to allocate
             AkUInt32    in_uAlignment           ///< Alignment (in bytes)
             );
  
         //@}
  
         ////////////////////////////////////////////////////////////////////////
         /// @name Memory Profiling
         //@{
  
         /// Get statistics for a given memory category.
         /// \note Be aware of the potentially incoherent nature of reporting such information during concurrent modification by multiple threads.
         AK_EXTERNAPIFUNC( void, GetCategoryStats )(
             AkMemPoolId in_poolId,              ///< ID of the memory category (AkMemID)
             CategoryStats& out_poolStats        ///< Returned statistics.
             );
  
         /// Get statistics for overall memory manager usage.
         /// \note Be aware of the potentially incoherent nature of reporting such information during concurrent modification by multiple threads.
         AK_EXTERNAPIFUNC( void, GetGlobalStats )(
             GlobalStats& out_stats              ///< Returned statistics.
             );
  
         /// Called to start profiling memory usage for one thread (the calling thread).
         /// \note Not implementing this will result in the Soundbank tab of the Wwise Profiler to show 0 bytes for memory usage.
         AK_EXTERNAPIFUNC( void, StartProfileThreadUsage )(
             );
  
         /// Called to stop profiling memory usage for the current thread.
         /// \return The amount of memory allocated by this thread since StartProfileThreadUsage was called.
         /// \note Not implementing this will result in the Soundbank tab of the Wwise Profiler to show 0 bytes for memory usage.
         AK_EXTERNAPIFUNC( AkUInt64, StopProfileThreadUsage )(
             );
  
         /// Dumps the currently tracked allocations to a file
         /// \note AkMemSettings::uMemoryDebugLevel must be enabled and the build must define AK_MEMDEBUG for this to work
         AK_EXTERNAPIFUNC( void, DumpToFile )(
             const AkOSChar* pszFilename         ///< Filename.
             );
  
         //@}
     }
 }
  
 #endif // _AKMEMORYMGR_H_

AkMemID_Processing

@ AkMemID_Processing

Anything tied to instancing and processing of the DSP graph.

Definition: AkMemoryMgr.h:52

AK::MemoryMgr::DumpToFile

AKSOUNDENGINE_API void DumpToFile(const AkOSChar *pszFilename)

AkMemID_SpatialAudioPaths

@ AkMemID_SpatialAudioPaths

Spatial audio paths data.

Definition: AkMemoryMgr.h:58

AkMemID_MonitorQueue

@ AkMemID_MonitorQueue

Monitor Queue.

Definition: AkMemoryMgr.h:60

AkMemID_FilePackage

@ AkMemID_FilePackage

File packager.

Definition: AkMemoryMgr.h:62

AK::MemoryMgr::TermForThread

AKSOUNDENGINE_API void TermForThread()

AK::MemoryMgr::dRealloc

AKSOUNDENGINE_API void * dRealloc(AkMemPoolId in_poolId, void *in_pAlloc, size_t in_uSize, const char *in_pszFile, AkUInt32 in_uLine)

AK::MemoryMgr::CategoryStats::uPeakUsed

AkUInt64 uPeakUsed

Peak used memory (in bytes)

Definition: AkMemoryMgr.h:95

AK::MemoryMgr::GlobalStats::uDeviceUsed

AkUInt64 uDeviceUsed

Total device memory used including all categories (in bytes)

Definition: AkMemoryMgr.h:109

Audiokinetic namespace.

Definition: AkWwiseSDKVersion.cs:31

AkMemID_StreamingIO

@ AkMemID_StreamingIO

Streaming Manager I/O memory.

Definition: AkMemoryMgr.h:55

AK::MemoryMgr::dMalloc

AKSOUNDENGINE_API void * dMalloc(AkMemPoolId in_poolId, size_t in_uSize, const char *in_pszFile, AkUInt32 in_uLine)

AkMemID_Media

@ AkMemID_Media

Media from the Wwise project.

Definition: AkMemoryMgr.h:50

AkMemID_Integration

@ AkMemID_Integration

Game engine integration allocations.

Definition: AkMemoryMgr.h:64

AkMemID_Object

@ AkMemID_Object

Generic placeholder for allocations tied to the Wwise project.

Definition: AkMemoryMgr.h:47

AK::MemoryMgr::dMalign

AKSOUNDENGINE_API void * dMalign(AkMemPoolId in_poolId, size_t in_uSize, AkUInt32 in_uAlignment, const char *in_pszFile, AkUInt32 in_uLine)

AK::MemoryMgr::Free

AKSOUNDENGINE_API void Free(AkMemPoolId in_poolId, void *in_pMemAddress)

AK_EXTERNAPIFUNC

#define AK_EXTERNAPIFUNC(_type, _name)

Definition: AkSoundEngineExport.h:81

AK::MemoryMgr::Malloc

AKSOUNDENGINE_API void * Malloc(AkMemPoolId in_poolId, size_t in_uSize)

AK::MemoryMgr::TrimForThread

AKSOUNDENGINE_API void TrimForThread()

AkMemPoolId

AkInt32 AkMemPoolId

Memory pool ID.

Definition: AkTypes.h:130

AkMemID_Profiler

@ AkMemID_Profiler

Profiler.

Definition: AkMemoryMgr.h:61

AkMemID

Memory category IDs.

Definition: AkMemoryMgr.h:46

AkOSChar

char AkOSChar

Generic character string.

Definition: AkTypes.h:60

AK::MemoryMgr::CategoryStats::uAllocs

AkUInt32 uAllocs

Number of allocation calls since initialization.

Definition: AkMemoryMgr.h:96

AK::MemoryMgr::Term

AKSOUNDENGINE_API void Term()

AK::MemoryMgr::GetGlobalStats

AKSOUNDENGINE_API void GetGlobalStats(GlobalStats &out_stats)

AK::MemoryMgr::InitForThread

AKSOUNDENGINE_API void InitForThread()

AkMemID_SpatialAudioGeometry

@ AkMemID_SpatialAudioGeometry

Spatial audio geometry data.

Definition: AkMemoryMgr.h:57

AK::MemoryMgr::GlobalStats::uReserved

AkUInt64 uReserved

Total reserved memory. (Used and unused). Will return 0 if the reserved memory is not traceable.

Definition: AkMemoryMgr.h:110

AK::MemoryMgr::GlobalStats::uMax

AkUInt64 uMax

Maximum total allocation size, specified in the initialization settings through uMemAllocationSizeLim...

Definition: AkMemoryMgr.h:111

AK::MemoryMgr::dReallocAligned

AKSOUNDENGINE_API void * dReallocAligned(AkMemPoolId in_poolId, void *in_pAlloc, size_t in_uSize, AkUInt32 in_uAlignment, const char *in_pszFile, AkUInt32 in_uLine)

AkMemID_JobMgr

@ AkMemID_JobMgr

Allocations for Sound Engine jobs and job dependencies.

Definition: AkMemoryMgr.h:65

AK::MemoryMgr::Malign

AKSOUNDENGINE_API void * Malign(AkMemPoolId in_poolId, size_t in_uSize, AkUInt32 in_uAlignment)

AkMemSettings

Definition: AkModule.h:155

AkMemID_SoundEngine

@ AkMemID_SoundEngine

Base sound engine allocations (managers, etc).

Definition: AkMemoryMgr.h:63