Specialization of CACHED_CONTAINER that stores data in RAM. More...

#include <cached_container_ram.h>

Inheritance diagram for KIGFX::CACHED_CONTAINER_RAM:

Public Member Functions
	CACHED_CONTAINER_RAM (unsigned int aSize=DEFAULT_SIZE)

	~CACHED_CONTAINER_RAM ()
	Finish the vertices updates stage.

void	Map () override
	Finish the vertices updates stage.

void	Unmap () override
	Finish the vertices updates stage.

bool	IsMapped () const override
	Return true if vertex buffer is currently mapped.

unsigned int	GetBufferHandle () const override
	Return handle to the vertex buffer.

bool	IsCached () const override
	Return true if the container caches vertex data in RAM or video memory.

virtual void	SetItem (VERTEX_ITEM *aItem) override
	Clean up after adding an item.

virtual void	FinishItem () override
	Clean up after adding an item.

virtual VERTEX *	Allocate (unsigned int aSize) override
	Return allocated space for the requested number of vertices associated with the current item (set with SetItem()).

virtual void	Delete (VERTEX_ITEM *aItem) override
	Remove all data stored in the container and restores its original state.

virtual void	Clear () override
	Remove all data stored in the container and restores its original state.

virtual unsigned int	AllItemsSize () const

VERTEX *	GetAllVertices () const
	Return pointer to the vertices stored in the container.

virtual VERTEX *	GetVertices (unsigned int aOffset) const
	Return vertices stored at the specific offset.

virtual unsigned int	GetSize () const
	Return amount of vertices currently stored in the container.

bool	IsDirty () const
	Return information about the container cache state.

void	SetDirty ()
	Set the dirty flag, so vertices in the container are going to be reuploaded to the GPU on the next frame.

void	ClearDirty ()
	Clear the dirty flag to prevent reuploading vertices to the GPU memory.

Static Public Member Functions
static VERTEX_CONTAINER *	MakeContainer (bool aCached)
	Return a pointer to a new container of an appropriate type.

Protected Types
typedef std::pair< unsigned int, unsigned int >	CHUNK
	< Maps size of free memory chunks to their offsets

typedef std::multimap< unsigned int, unsigned int >	FREE_CHUNK_MAP

typedef std::set< VERTEX_ITEM * >	ITEMS
	List of all the stored items.

Protected Member Functions
bool	defragmentResize (unsigned int aNewSize) override
	Defragment the currently stored data and resizes the buffer.

bool	reallocate (unsigned int aSize)
	Resize the chunk that stores the current item to the given size.

void	defragment (VERTEX *aTarget)
	Transfer all stored data to a new buffer, removing empty spaces between the data chunks in the container.

void	mergeFreeChunks ()
	Look for consecutive free memory chunks and merges them, decreasing fragmentation of memory.

int	getChunkSize (const CHUNK &aChunk) const
	Return the size of a chunk.

unsigned int	getChunkOffset (const CHUNK &aChunk) const
	Return the offset of a chunk.

void	addFreeChunk (unsigned int aOffset, unsigned int aSize)
	Add a chunk marked as a free space.

unsigned int	usedSpace () const
	Return size of the used memory space.

Protected Attributes
GLuint	m_verticesBuffer

FREE_CHUNK_MAP	m_freeChunks
	Stored VERTEX_ITEMs.

ITEMS	m_items
	Currently modified item.

VERTEX_ITEM *	m_item
	Properties of currently modified chunk & item.

unsigned int	m_chunkSize

unsigned int	m_chunkOffset
	Maximal vertex index number stored in the container.

unsigned int	m_maxIndex

unsigned int	m_freeSpace
	Current container size, expressed in vertices.

unsigned int	m_currentSize
	Store the initial size, so it can be resized to this on Clear()

unsigned int	m_initialSize
	Actual storage memory.

VERTEX *	m_vertices

bool	m_failed

bool	m_dirty
	Default initial size of a container (expressed in vertices)

Static Protected Attributes
static constexpr unsigned int	DEFAULT_SIZE = 1048576

Private Member Functions
void	showFreeChunks ()
	Debug & test functions.

void	showUsedChunks ()

void	test ()

Detailed Description

Specialization of CACHED_CONTAINER that stores data in RAM.

This is mainly for video cards/drivers that do not cope well with video memory mapping.

Definition at line 45 of file cached_container_ram.h.

Member Typedef Documentation

◆ CHUNK

typedef std::pair<unsigned int, unsigned int> KIGFX::CACHED_CONTAINER::CHUNK

protectedinherited

< Maps size of free memory chunks to their offsets

Definition at line 101 of file cached_container.h.

◆ FREE_CHUNK_MAP

typedef std::multimap<unsigned int, unsigned int> KIGFX::CACHED_CONTAINER::FREE_CHUNK_MAP

protectedinherited

Definition at line 102 of file cached_container.h.

◆ ITEMS

typedef std::set<VERTEX_ITEM*> KIGFX::CACHED_CONTAINER::ITEMS

protectedinherited

List of all the stored items.

Definition at line 105 of file cached_container.h.

Constructor & Destructor Documentation

◆ CACHED_CONTAINER_RAM()

CACHED_CONTAINER_RAM::CACHED_CONTAINER_RAM ( unsigned int aSize = DEFAULT_SIZE )

Definition at line 55 of file cached_container_ram.cpp.

References KIGFX::CACHED_CONTAINER::CACHED_CONTAINER(), checkGlError(), KIGFX::VERTEX_CONTAINER::m_vertices, m_verticesBuffer, and KIGFX::VERTEX_SIZE.

◆ ~CACHED_CONTAINER_RAM()

CACHED_CONTAINER_RAM::~CACHED_CONTAINER_RAM ( )

Finish the vertices updates stage.

Definition at line 69 of file cached_container_ram.cpp.

References KIGFX::VERTEX_CONTAINER::m_vertices, and m_verticesBuffer.

Member Function Documentation

◆ addFreeChunk()

void CACHED_CONTAINER::addFreeChunk	(	unsigned int	aOffset,
		unsigned int	aSize )

protectedinherited

Add a chunk marked as a free space.

Store size & offset of free chunks.

Definition at line 393 of file cached_container.cpp.

References KIGFX::VERTEX_CONTAINER::m_currentSize, m_freeChunks, and KIGFX::VERTEX_CONTAINER::m_freeSpace.

Referenced by Delete(), FinishItem(), and reallocate().

◆ AllItemsSize()

virtual unsigned int KIGFX::CACHED_CONTAINER::AllItemsSize ( ) const

inlinevirtualinherited

Reimplemented in KIGFX::CACHED_CONTAINER_GPU.

Definition at line 97 of file cached_container.h.

Referenced by KIGFX::GPU_CACHED_MANAGER::EndDrawing().

◆ Allocate()

VERTEX * CACHED_CONTAINER::Allocate ( unsigned int aSize )

overridevirtualinherited

Return allocated space for the requested number of vertices associated with the current item (set with SetItem()).

The allocated space is added at the end of the chunk used by the current item and may serve to store new vertices.

Parameters

aSize is the number of vertices to be allocated.

Returns: Pointer to the allocated space.

Exceptions

bad_alloc exception if allocation fails. Erase the data related to an item.

Parameters

aItem is the item to be erased.

Implements KIGFX::VERTEX_CONTAINER.

Definition at line 112 of file cached_container.cpp.

References IsMapped(), m_chunkOffset, m_chunkSize, KIGFX::VERTEX_CONTAINER::m_dirty, KIGFX::VERTEX_CONTAINER::m_failed, m_item, KIGFX::VERTEX_CONTAINER::m_vertices, reallocate(), showFreeChunks(), showUsedChunks(), and test().

◆ Clear()

void CACHED_CONTAINER::Clear ( )

overridevirtualinherited

Remove all data stored in the container and restores its original state.

Implements KIGFX::VERTEX_CONTAINER.

Definition at line 194 of file cached_container.cpp.

References KIGFX::VERTEX_CONTAINER::m_currentSize, KIGFX::VERTEX_CONTAINER::m_failed, m_freeChunks, KIGFX::VERTEX_CONTAINER::m_freeSpace, m_items, and m_maxIndex.

◆ ClearDirty()

void KIGFX::VERTEX_CONTAINER::ClearDirty ( )

inlineinherited

Clear the dirty flag to prevent reuploading vertices to the GPU memory.

Definition at line 152 of file vertex_container.h.

References m_dirty.

Referenced by KIGFX::GPU_CACHED_MANAGER::EndDrawing().

◆ defragment()

void CACHED_CONTAINER::defragment ( VERTEX * aTarget )

protectedinherited

Transfer all stored data to a new buffer, removing empty spaces between the data chunks in the container.

Parameters

aTarget is the destination for the defragmented data.

Definition at line 277 of file cached_container.cpp.

References m_chunkOffset, m_item, m_items, m_maxIndex, KIGFX::VERTEX_CONTAINER::m_vertices, KIGFX::VERTEX_CONTAINER::usedSpace(), and KIGFX::VERTEX_SIZE.

Referenced by KIGFX::CACHED_CONTAINER_RAM::defragmentResize(), and KIGFX::CACHED_CONTAINER_GPU::defragmentResizeMemcpy().

◆ defragmentResize()

bool CACHED_CONTAINER_RAM::defragmentResize ( unsigned int aNewSize )

overrideprotectedvirtual

Defragment the currently stored data and resizes the buffer.

Parameters

aNewSize is the new buffer vertex buffer size, expressed as the number of vertices.

Returns: true on success. Handle to vertices buffer

Implements KIGFX::CACHED_CONTAINER.

Definition at line 93 of file cached_container_ram.cpp.

References KIGFX::CACHED_CONTAINER::defragment(), KIGFX::VERTEX_CONTAINER::m_currentSize, KIGFX::VERTEX_CONTAINER::m_dirty, KIGFX::CACHED_CONTAINER::m_freeChunks, KIGFX::VERTEX_CONTAINER::m_freeSpace, KIGFX::VERTEX_CONTAINER::m_vertices, PROF_TIMER::msecs(), PROF_TIMER::Stop(), traceGalCachedContainer, KIGFX::VERTEX_CONTAINER::usedSpace(), and KIGFX::VERTEX_SIZE.

◆ Delete()

void CACHED_CONTAINER::Delete ( VERTEX_ITEM * aItem )

overridevirtualinherited

Remove all data stored in the container and restores its original state.

Implements KIGFX::VERTEX_CONTAINER.

Definition at line 153 of file cached_container.cpp.

References addFreeChunk(), defragmentResize(), KIGFX::VERTEX_ITEM::GetOffset(), KIGFX::VERTEX_ITEM::GetSize(), KIGFX::VERTEX_CONTAINER::m_currentSize, KIGFX::VERTEX_CONTAINER::m_freeSpace, KIGFX::VERTEX_CONTAINER::m_initialSize, m_items, KIGFX::VERTEX_ITEM::setSize(), and test().

◆ FinishItem()

void CACHED_CONTAINER::FinishItem ( )

overridevirtualinherited

Clean up after adding an item.

Reimplemented from KIGFX::VERTEX_CONTAINER.

Definition at line 79 of file cached_container.cpp.

References addFreeChunk(), m_chunkOffset, m_chunkSize, m_item, m_items, m_maxIndex, and test().

◆ GetAllVertices()

VERTEX * KIGFX::VERTEX_CONTAINER::GetAllVertices ( ) const

inlineinherited

Return pointer to the vertices stored in the container.

Definition at line 107 of file vertex_container.h.

References m_vertices.

◆ GetBufferHandle()

unsigned int KIGFX::CACHED_CONTAINER_RAM::GetBufferHandle ( ) const

inlineoverridevirtual

Return handle to the vertex buffer.

It might be negative if the buffer is not initialized.

Implements KIGFX::CACHED_CONTAINER.

Definition at line 67 of file cached_container_ram.h.

References m_verticesBuffer.

◆ getChunkOffset()

unsigned int KIGFX::CACHED_CONTAINER::getChunkOffset ( const CHUNK & aChunk ) const

inlineprotectedinherited

Return the offset of a chunk.

Parameters

aChunk is the chunk.

Definition at line 157 of file cached_container.h.

Referenced by reallocate().

◆ getChunkSize()

int KIGFX::CACHED_CONTAINER::getChunkSize ( const CHUNK & aChunk ) const

inlineprotectedinherited

Return the size of a chunk.

Parameters

aChunk is the chunk.

Definition at line 147 of file cached_container.h.

Referenced by reallocate(), and test().

◆ GetSize()

virtual unsigned int KIGFX::VERTEX_CONTAINER::GetSize ( ) const

inlinevirtualinherited

Return amount of vertices currently stored in the container.

Reimplemented in KIGFX::NONCACHED_CONTAINER.

Definition at line 125 of file vertex_container.h.

References m_currentSize.

◆ GetVertices()

virtual VERTEX * KIGFX::VERTEX_CONTAINER::GetVertices ( unsigned int aOffset ) const

inlinevirtualinherited

Return vertices stored at the specific offset.

Parameters

aOffset is the offset.

Definition at line 117 of file vertex_container.h.

References m_vertices.

◆ IsCached()

bool KIGFX::CACHED_CONTAINER::IsCached ( ) const

inlineoverridevirtualinherited

Return true if the container caches vertex data in RAM or video memory.

Otherwise it is a single batch draw which is later discarded.

Implements KIGFX::VERTEX_CONTAINER.

Definition at line 52 of file cached_container.h.

◆ IsDirty()

bool KIGFX::VERTEX_CONTAINER::IsDirty ( ) const

inlineinherited

Return information about the container cache state.

Returns: True in case the vertices have to be reuploaded.

Definition at line 135 of file vertex_container.h.

References m_dirty.

◆ IsMapped()

bool KIGFX::CACHED_CONTAINER_RAM::IsMapped ( ) const

inlineoverridevirtual

Return true if vertex buffer is currently mapped.

Prepare the container for vertices updates.

Implements KIGFX::CACHED_CONTAINER.

Definition at line 57 of file cached_container_ram.h.

◆ MakeContainer()

VERTEX_CONTAINER * VERTEX_CONTAINER::MakeContainer ( bool aCached )

staticinherited

Return a pointer to a new container of an appropriate type.

Definition at line 42 of file vertex_container.cpp.

References VERTEX_CONTAINER().

Referenced by KIGFX::VERTEX_MANAGER::VERTEX_MANAGER().

◆ Map()

void KIGFX::CACHED_CONTAINER_RAM::Map ( )

inlineoverridevirtual

Finish the vertices updates stage.

Implements KIGFX::CACHED_CONTAINER.

Definition at line 52 of file cached_container_ram.h.

◆ mergeFreeChunks()

void CACHED_CONTAINER::mergeFreeChunks ( )

protectedinherited

Look for consecutive free memory chunks and merges them, decreasing fragmentation of memory.

Definition at line 338 of file cached_container.cpp.

References m_freeChunks, and test().

◆ reallocate()

bool CACHED_CONTAINER::reallocate ( unsigned int aSize )

protectedinherited

Resize the chunk that stores the current item to the given size.

The current item has its offset adjusted after the call, and the new chunk parameters are stored in m_chunkOffset and m_chunkSize.

Parameters

aSize is the requested chunk size.

Returns: true in case of success, false otherwise.

Definition at line 213 of file cached_container.cpp.

References addFreeChunk(), defragmentResize(), getChunkOffset(), getChunkSize(), IsMapped(), m_chunkOffset, m_chunkSize, KIGFX::VERTEX_CONTAINER::m_currentSize, m_freeChunks, KIGFX::VERTEX_CONTAINER::m_freeSpace, m_item, KIGFX::VERTEX_CONTAINER::m_vertices, result, and KIGFX::VERTEX_SIZE.

Referenced by Allocate().

◆ SetDirty()

void KIGFX::VERTEX_CONTAINER::SetDirty ( )

inlineinherited

Set the dirty flag, so vertices in the container are going to be reuploaded to the GPU on the next frame.

Definition at line 144 of file vertex_container.h.

References m_dirty.

◆ SetItem()

void CACHED_CONTAINER::SetItem ( VERTEX_ITEM * aItem )

overridevirtualinherited

Clean up after adding an item.

Implements KIGFX::VERTEX_CONTAINER.

Definition at line 66 of file cached_container.cpp.

References KIGFX::VERTEX_ITEM::GetOffset(), KIGFX::VERTEX_ITEM::GetSize(), m_chunkOffset, m_chunkSize, and m_item.

◆ showFreeChunks()

void CACHED_CONTAINER::showFreeChunks ( )

privateinherited

Debug & test functions.

Definition at line 403 of file cached_container.cpp.

Referenced by Allocate().

◆ showUsedChunks()

void CACHED_CONTAINER::showUsedChunks ( )

privateinherited

Definition at line 408 of file cached_container.cpp.

Referenced by Allocate().

◆ test()

void CACHED_CONTAINER::test ( )

privateinherited

Definition at line 413 of file cached_container.cpp.

References getChunkSize(), m_chunkSize, KIGFX::VERTEX_CONTAINER::m_currentSize, m_freeChunks, KIGFX::VERTEX_CONTAINER::m_freeSpace, m_item, and m_items.

Referenced by Allocate(), Delete(), FinishItem(), and mergeFreeChunks().

◆ Unmap()

void CACHED_CONTAINER_RAM::Unmap ( )

overridevirtual

Finish the vertices updates stage.

Implements KIGFX::CACHED_CONTAINER.

Definition at line 78 of file cached_container_ram.cpp.

References checkGlError(), KIGFX::VERTEX_CONTAINER::m_dirty, KIGFX::CACHED_CONTAINER::m_maxIndex, KIGFX::VERTEX_CONTAINER::m_vertices, m_verticesBuffer, and KIGFX::VERTEX_SIZE.

◆ usedSpace()

unsigned int KIGFX::VERTEX_CONTAINER::usedSpace ( ) const

inlineprotectedinherited

Return size of the used memory space.

Returns: Size of the used memory space (expressed as a number of vertices). Free space left in the container, expressed in vertices

Definition at line 165 of file vertex_container.h.

References m_currentSize, and m_freeSpace.

Referenced by KIGFX::CACHED_CONTAINER::defragment(), KIGFX::CACHED_CONTAINER_GPU::defragmentResize(), KIGFX::CACHED_CONTAINER_RAM::defragmentResize(), and KIGFX::CACHED_CONTAINER_GPU::defragmentResizeMemcpy().

Member Data Documentation

◆ DEFAULT_SIZE

unsigned int KIGFX::VERTEX_CONTAINER::DEFAULT_SIZE = 1048576

staticconstexprprotectedinherited

Definition at line 187 of file vertex_container.h.

◆ m_chunkOffset

unsigned int KIGFX::CACHED_CONTAINER::m_chunkOffset

protectedinherited

Maximal vertex index number stored in the container.

Definition at line 178 of file cached_container.h.

Referenced by Allocate(), CACHED_CONTAINER(), defragment(), KIGFX::CACHED_CONTAINER_GPU::defragmentResize(), FinishItem(), reallocate(), and SetItem().

◆ m_chunkSize

unsigned int KIGFX::CACHED_CONTAINER::m_chunkSize

protectedinherited

Definition at line 177 of file cached_container.h.

Referenced by Allocate(), CACHED_CONTAINER(), FinishItem(), reallocate(), SetItem(), and test().

◆ m_currentSize

unsigned int KIGFX::VERTEX_CONTAINER::m_currentSize

protectedinherited

Store the initial size, so it can be resized to this on Clear()

Definition at line 174 of file vertex_container.h.

◆ m_dirty

bool KIGFX::VERTEX_CONTAINER::m_dirty

protectedinherited

Default initial size of a container (expressed in vertices)

Definition at line 184 of file vertex_container.h.

Referenced by KIGFX::CACHED_CONTAINER::Allocate(), ClearDirty(), KIGFX::CACHED_CONTAINER_RAM::defragmentResize(), IsDirty(), SetDirty(), KIGFX::CACHED_CONTAINER_RAM::Unmap(), and VERTEX_CONTAINER().

◆ m_failed

bool KIGFX::VERTEX_CONTAINER::m_failed

protectedinherited

Definition at line 183 of file vertex_container.h.

Referenced by KIGFX::CACHED_CONTAINER::Allocate(), KIGFX::CACHED_CONTAINER::Clear(), and VERTEX_CONTAINER().

◆ m_freeChunks

FREE_CHUNK_MAP KIGFX::CACHED_CONTAINER::m_freeChunks

protectedinherited

Stored VERTEX_ITEMs.

Definition at line 168 of file cached_container.h.

Referenced by addFreeChunk(), CACHED_CONTAINER(), Clear(), KIGFX::CACHED_CONTAINER_GPU::defragmentResize(), KIGFX::CACHED_CONTAINER_RAM::defragmentResize(), KIGFX::CACHED_CONTAINER_GPU::defragmentResizeMemcpy(), mergeFreeChunks(), reallocate(), and test().

◆ m_freeSpace

unsigned int KIGFX::VERTEX_CONTAINER::m_freeSpace

protectedinherited

Current container size, expressed in vertices.

Definition at line 171 of file vertex_container.h.

Referenced by KIGFX::CACHED_CONTAINER::addFreeChunk(), KIGFX::NONCACHED_CONTAINER::Allocate(), KIGFX::CACHED_CONTAINER::Clear(), KIGFX::NONCACHED_CONTAINER::Clear(), KIGFX::CACHED_CONTAINER_GPU::defragmentResize(), KIGFX::CACHED_CONTAINER_RAM::defragmentResize(), KIGFX::CACHED_CONTAINER_GPU::defragmentResizeMemcpy(), KIGFX::CACHED_CONTAINER::Delete(), KIGFX::CACHED_CONTAINER::reallocate(), KIGFX::CACHED_CONTAINER::test(), usedSpace(), and VERTEX_CONTAINER().

◆ m_initialSize

unsigned int KIGFX::VERTEX_CONTAINER::m_initialSize

protectedinherited

Actual storage memory.

Definition at line 177 of file vertex_container.h.

Referenced by KIGFX::CACHED_CONTAINER::Delete(), and VERTEX_CONTAINER().

◆ m_item

VERTEX_ITEM* KIGFX::CACHED_CONTAINER::m_item

protectedinherited

Properties of currently modified chunk & item.

Definition at line 174 of file cached_container.h.

Referenced by Allocate(), CACHED_CONTAINER(), defragment(), KIGFX::CACHED_CONTAINER_GPU::defragmentResize(), FinishItem(), reallocate(), SetItem(), and test().

◆ m_items

ITEMS KIGFX::CACHED_CONTAINER::m_items

protectedinherited

Currently modified item.

Definition at line 171 of file cached_container.h.

Referenced by KIGFX::CACHED_CONTAINER_GPU::AllItemsSize(), Clear(), defragment(), KIGFX::CACHED_CONTAINER_GPU::defragmentResize(), Delete(), FinishItem(), and test().

◆ m_maxIndex

unsigned int KIGFX::CACHED_CONTAINER::m_maxIndex

protectedinherited

Definition at line 181 of file cached_container.h.

Referenced by CACHED_CONTAINER(), Clear(), defragment(), FinishItem(), and KIGFX::CACHED_CONTAINER_RAM::Unmap().

◆ m_vertices

VERTEX* KIGFX::VERTEX_CONTAINER::m_vertices

protectedinherited

Definition at line 180 of file vertex_container.h.

◆ m_verticesBuffer

GLuint KIGFX::CACHED_CONTAINER_RAM::m_verticesBuffer

protected

Definition at line 82 of file cached_container_ram.h.

Referenced by CACHED_CONTAINER_RAM(), GetBufferHandle(), Unmap(), and ~CACHED_CONTAINER_RAM().

The documentation for this class was generated from the following files:

Public Member Functions

Static Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Static Protected Attributes

Private Member Functions

Detailed Description

Member Typedef Documentation

◆ CHUNK

◆ FREE_CHUNK_MAP

◆ ITEMS

Constructor & Destructor Documentation

◆ CACHED_CONTAINER_RAM()

◆ ~CACHED_CONTAINER_RAM()

Member Function Documentation

◆ addFreeChunk()

◆ AllItemsSize()

◆ Allocate()

◆ Clear()

◆ ClearDirty()

◆ defragment()

◆ defragmentResize()

◆ Delete()

◆ FinishItem()

◆ GetAllVertices()

◆ GetBufferHandle()

◆ getChunkOffset()

◆ getChunkSize()

◆ GetSize()

◆ GetVertices()

◆ IsCached()

◆ IsDirty()

◆ IsMapped()

◆ MakeContainer()

◆ Map()

◆ mergeFreeChunks()

◆ reallocate()

◆ SetDirty()

◆ SetItem()

◆ showFreeChunks()

◆ showUsedChunks()

◆ test()

◆ Unmap()

◆ usedSpace()

Member Data Documentation

◆ DEFAULT_SIZE

◆ m_chunkOffset

◆ m_chunkSize

◆ m_currentSize

◆ m_dirty

◆ m_failed

◆ m_freeChunks

◆ m_freeSpace

◆ m_initialSize

◆ m_item

◆ m_items

◆ m_maxIndex

◆ m_vertices

◆ m_verticesBuffer