GPUDefragAllocator.cpp File Reference

#include "GPUDefragAllocator.h"
#include "HAL/IConsoleManager.h"
#include "Stats/StatsMisc.h"
#include "RHI.h"
#include "Stats/Stats.h"

Macros
#define	PARTIALDEFRAG_TIMELIMIT   (1.0/1000.0)
#define	DEFRAG_SMALL_CHUNK_SIZE   (16*1024-1)
#define	DEFRAG_SMALL_CHUNK_COUNTER_MIN   (5*30)
#define	DEFRAG_SMALL_CHUNK_COUNTER_MAX   (10*30)
#define	DEFRAG_CHUNK_COUNTER_MIN   (20)
#define	DEFRAG_CHUNK_COUNTER_MAX   (80)
#define	FGPUDEFRAGALLOCATOR_FMEMORYCHUNK_MAINTAIN_SORT_ORDER   1
#define	GPU_DEFRAG_SANITYCHECK   0

Functions
	DECLARE_STATS_GROUP (TEXT("TexturePool"), STATGROUP_TexturePool, STATCAT_ADVANCED)
	DECLARE_CYCLE_STAT (TEXT("Defragmentation"), STAT_TexturePool_DefragTime, STATGROUP_TexturePool)
	DECLARE_CYCLE_STAT (TEXT("Blocked By GPU Relocation"), STAT_TexturePool_Blocked, STATGROUP_TexturePool)
	DECLARE_MEMORY_STAT_POOL (TEXT("Allocated"), STAT_TexturePool_Allocated, STATGROUP_TexturePool, FPlatformMemory::MCR_GPUDefragPool)
	DECLARE_MEMORY_STAT_POOL (TEXT("Free"), STAT_TexturePool_Free, STATGROUP_TexturePool, FPlatformMemory::MCR_GPUDefragPool)
	DECLARE_MEMORY_STAT_POOL (TEXT("Largest Hole"), STAT_TexturePool_LargestHole, STATGROUP_TexturePool, FPlatformMemory::MCR_GPUDefragPool)
	DECLARE_MEMORY_STAT_POOL (TEXT("Relocating Memory"), STAT_TexturePool_RelocatedSize, STATGROUP_TexturePool, FPlatformMemory::MCR_GPUDefragPool)
	DECLARE_DWORD_ACCUMULATOR_STAT (TEXT("Num Relocations"), STAT_TexturePool_NumRelocations, STATGROUP_TexturePool)
	DECLARE_DWORD_ACCUMULATOR_STAT (TEXT("Num Holes"), STAT_TexturePool_NumHoles, STATGROUP_TexturePool)
	DECLARE_DWORD_ACCUMULATOR_STAT (TEXT("Total Async Reallocs"), STAT_TexturePool_TotalAsyncReallocations, STATGROUP_TexturePool)
	DECLARE_DWORD_ACCUMULATOR_STAT (TEXT("Total Async Allocs"), STAT_TexturePool_TotalAsyncAllocations, STATGROUP_TexturePool)
	DECLARE_DWORD_ACCUMULATOR_STAT (TEXT("Total Async Cancels"), STAT_TexturePool_TotalAsyncCancellations, STATGROUP_TexturePool)
void	FillVizualizeData (FColor *TextureData, int32 &X, int32 &Y, int32 &NumBytes, const FColor &Color1, const FColor &Color2, const int32 SizeX, const int32 SizeY, const int32 Pitch, const int32 PixelSize)

Variables
void *	GBestFitAllocatorFreePointer = nullptr

Macro Definition Documentation

DEFRAG_CHUNK_COUNTER_MAX

#define DEFRAG_CHUNK_COUNTER_MAX   (80)

DEFRAG_CHUNK_COUNTER_MIN

#define DEFRAG_CHUNK_COUNTER_MIN   (20)

DEFRAG_SMALL_CHUNK_COUNTER_MAX

#define DEFRAG_SMALL_CHUNK_COUNTER_MAX   (10*30)

DEFRAG_SMALL_CHUNK_COUNTER_MIN

#define DEFRAG_SMALL_CHUNK_COUNTER_MIN   (5*30)

DEFRAG_SMALL_CHUNK_SIZE

#define DEFRAG_SMALL_CHUNK_SIZE   (16*1024-1)

FGPUDEFRAGALLOCATOR_FMEMORYCHUNK_MAINTAIN_SORT_ORDER

#define FGPUDEFRAGALLOCATOR_FMEMORYCHUNK_MAINTAIN_SORT_ORDER   1

GPU_DEFRAG_SANITYCHECK

#define GPU_DEFRAG_SANITYCHECK   0

PARTIALDEFRAG_TIMELIMIT

#define PARTIALDEFRAG_TIMELIMIT   (1.0/1000.0)

Function Documentation

DECLARE_CYCLE_STAT() [1/2]

DECLARE_CYCLE_STAT	(	TEXT("Blocked By GPU Relocation")	,
		STAT_TexturePool_Blocked	,
		STATGROUP_TexturePool
	)

DECLARE_CYCLE_STAT() [2/2]

DECLARE_CYCLE_STAT	(	TEXT("Defragmentation")	,
		STAT_TexturePool_DefragTime	,
		STATGROUP_TexturePool
	)

DECLARE_DWORD_ACCUMULATOR_STAT() [1/5]

DECLARE_DWORD_ACCUMULATOR_STAT	(	TEXT("Num Holes")	,
		STAT_TexturePool_NumHoles	,
		STATGROUP_TexturePool
	)

DECLARE_DWORD_ACCUMULATOR_STAT() [2/5]

DECLARE_DWORD_ACCUMULATOR_STAT	(	TEXT("Num Relocations")	,
		STAT_TexturePool_NumRelocations	,
		STATGROUP_TexturePool
	)

DECLARE_DWORD_ACCUMULATOR_STAT() [3/5]

DECLARE_DWORD_ACCUMULATOR_STAT	(	TEXT("Total Async Allocs")	,
		STAT_TexturePool_TotalAsyncAllocations	,
		STATGROUP_TexturePool
	)

DECLARE_DWORD_ACCUMULATOR_STAT() [4/5]

DECLARE_DWORD_ACCUMULATOR_STAT	(	TEXT("Total Async Cancels")	,
		STAT_TexturePool_TotalAsyncCancellations	,
		STATGROUP_TexturePool
	)

DECLARE_DWORD_ACCUMULATOR_STAT() [5/5]

DECLARE_DWORD_ACCUMULATOR_STAT	(	TEXT("Total Async Reallocs")	,
		STAT_TexturePool_TotalAsyncReallocations	,
		STATGROUP_TexturePool
	)

DECLARE_MEMORY_STAT_POOL() [1/4]

DECLARE_MEMORY_STAT_POOL	(	TEXT("Allocated")	,
		STAT_TexturePool_Allocated	,
		STATGROUP_TexturePool	,
		FPlatformMemory::MCR_GPUDefragPool
	)

DECLARE_MEMORY_STAT_POOL() [2/4]

DECLARE_MEMORY_STAT_POOL	(	TEXT("Free")	,
		STAT_TexturePool_Free	,
		STATGROUP_TexturePool	,
		FPlatformMemory::MCR_GPUDefragPool
	)

DECLARE_MEMORY_STAT_POOL() [3/4]

DECLARE_MEMORY_STAT_POOL	(	TEXT("Largest Hole")	,
		STAT_TexturePool_LargestHole	,
		STATGROUP_TexturePool	,
		FPlatformMemory::MCR_GPUDefragPool
	)

DECLARE_MEMORY_STAT_POOL() [4/4]

DECLARE_MEMORY_STAT_POOL	(	TEXT("Relocating Memory")	,
		STAT_TexturePool_RelocatedSize	,
		STATGROUP_TexturePool	,
		FPlatformMemory::MCR_GPUDefragPool
	)

DECLARE_STATS_GROUP()

DECLARE_STATS_GROUP	(	TEXT("TexturePool")	,
		STATGROUP_TexturePool	,
		STATCAT_ADVANCED
	)

FillVizualizeData()

void FillVizualizeData	(	FColor *	TextureData,
		int32 &	X,
		int32 &	Y,
		int32 &	NumBytes,
		const FColor &	Color1,
		const FColor &	Color2,
		const int32	SizeX,
		const int32	SizeY,
		const int32	Pitch,
		const int32	PixelSize
	)

Helper function to fill in one gradient bar in the texture, for memory visualization purposes.

Variable Documentation

GBestFitAllocatorFreePointer

void* GBestFitAllocatorFreePointer = nullptr

For debugging minidumps and release builds.