#include <PtexCache.h>

Inheritance diagram for PtexCachedReader:

Public Member Functions
	PtexCachedReader (bool premultiply, PtexInputHandler inputHandler, PtexErrorHandler errorHandler, PtexReaderCache *cache)

	~PtexCachedReader ()

void	ref ()

int32_t	unref ()

virtual void	release ()
	Release resources held by this pointer (pointer becomes invalid).

bool	tryPrune (size_t &memUsedChange)

bool	tryPurge (size_t &memUsedChange)

size_t	getMemUsedChange ()

size_t	getOpensChange ()

size_t	getBlockReadsChange ()

Public Member Functions inherited from PtexReader
	PtexReader (bool premultiply, PtexInputHandler inputHandler, PtexErrorHandler errorHandler)

virtual	~PtexReader ()

virtual void	release ()
	Release resources held by this pointer (pointer becomes invalid).

bool	needToOpen () const

bool	open (const char *path, Ptex::String &error)

void	prune ()

void	purge ()

void	setPendingPurge ()

bool	pendingPurge () const

bool	tryClose ()

bool	ok () const

bool	isOpen ()

void	invalidate ()

void	increaseMemUsed (size_t amount)

void	logOpen ()

void	logBlockRead ()

virtual const char *	path ()
	Path that file was opened with.

virtual Info	getInfo ()

virtual Ptex::MeshType	meshType ()
	Type of mesh for which texture data is defined.

virtual Ptex::DataType	dataType ()
	Type of data stored in file.

virtual Ptex::BorderMode	uBorderMode ()
	Mode for filtering texture access beyond mesh border.

virtual Ptex::BorderMode	vBorderMode ()
	Mode for filtering texture access beyond mesh border.

virtual Ptex::EdgeFilterMode	edgeFilterMode ()
	Mode for filtering textures across edges.

virtual int	alphaChannel ()
	Index of alpha channel (if any).

virtual int	numChannels ()
	Number of channels stored in file.

virtual int	numFaces ()
	Number of faces stored in file.

virtual bool	hasEdits ()
	True if the file has edit blocks.

virtual bool	hasMipMaps ()
	True if the file has mipmaps.

virtual PtexMetaData *	getMetaData ()
	Access meta data.

virtual const Ptex::FaceInfo &	getFaceInfo (int faceid)
	Access resolution and adjacency information about a face.

virtual void	getData (int faceid, void *buffer, int stride)
	Access texture data for a face at highest-resolution.

virtual void	getData (int faceid, void *buffer, int stride, Res res)

virtual PtexFaceData *	getData (int faceid)
	Access texture data for a face at highest-resolution as stored on disk.

virtual PtexFaceData *	getData (int faceid, Res res)

virtual void	getPixel (int faceid, int u, int v, float *result, int firstchan, int nchannels)
	Access a single texel from the highest resolution texture .

virtual void	getPixel (int faceid, int u, int v, float *result, int firstchan, int nchannels, Ptex::Res res)
	Access a single texel for a face at a particular resolution.

DataType	datatype () const

int	nchannels () const

int	pixelsize () const

const Header &	header () const

const ExtHeader &	extheader () const

const LevelInfo &	levelinfo (int level) const

Public Member Functions inherited from PtexTexture
virtual void	release ()=0
	Release resources held by this pointer (pointer becomes invalid).

virtual const char *	path ()=0
	Path that file was opened with.

virtual Info	getInfo ()=0

virtual Ptex::MeshType	meshType ()=0
	Type of mesh for which texture data is defined.

virtual Ptex::DataType	dataType ()=0
	Type of data stored in file.

virtual Ptex::BorderMode	uBorderMode ()=0
	Mode for filtering texture access beyond mesh border.

virtual Ptex::BorderMode	vBorderMode ()=0
	Mode for filtering texture access beyond mesh border.

virtual Ptex::EdgeFilterMode	edgeFilterMode ()=0
	Mode for filtering textures across edges.

virtual int	alphaChannel ()=0
	Index of alpha channel (if any).

virtual int	numChannels ()=0
	Number of channels stored in file.

virtual int	numFaces ()=0
	Number of faces stored in file.

virtual bool	hasEdits ()=0
	True if the file has edit blocks.

virtual bool	hasMipMaps ()=0
	True if the file has mipmaps.

virtual PtexMetaData *	getMetaData ()=0
	Access meta data.

virtual const Ptex::FaceInfo &	getFaceInfo (int faceid)=0
	Access resolution and adjacency information about a face.

virtual void	getData (int faceid, void *buffer, int stride)=0
	Access texture data for a face at highest-resolution.

virtual void	getData (int faceid, void *buffer, int stride, Ptex::Res res)=0
	Access texture data for a face at a specific resolution.

virtual PtexFaceData *	getData (int faceid)=0
	Access texture data for a face at highest-resolution as stored on disk.

virtual PtexFaceData *	getData (int faceid, Ptex::Res res)=0
	Access texture data for a face at a specific resolution as stored on disk.

virtual void	getPixel (int faceid, int u, int v, float *result, int firstchan, int nchannels)=0
	Access a single texel from the highest resolution texture .

virtual void	getPixel (int faceid, int u, int v, float *result, int firstchan, int nchannels, Ptex::Res res)=0
	Access a single texel for a face at a particular resolution.

Private Member Functions
bool	trylock ()

void	unlock ()

Private Attributes
PtexReaderCache *	_cache

volatile int32_t	_refCount

size_t	_memUsedAccountedFor

size_t	_opensAccountedFor

size_t	_blockReadsAccountedFor

PtexLruItem	_openFilesItem

PtexLruItem	_activeFilesItem

Friends
class	PtexReaderCache

Additional Inherited Members
Static Public Member Functions inherited from PtexTexture
static PtexTexture *	open (const char *path, Ptex::String &error, bool premultiply=0)
	Open a ptex file for reading.

Protected Types inherited from PtexReader
typedef PtexHashMap< ReductionKey, FaceData * >	ReductionMap

Protected Member Functions inherited from PtexReader
void	setError (const char *error)

FilePos	tell ()

void	seek (FilePos pos)

void	closeFP ()

bool	reopenFP ()

bool	readBlock (void *data, int size, bool reportError=true)

bool	readZipBlock (void *data, int zipsize, int unzipsize)

Level *	getLevel (int levelid)

uint8_t *	getConstData ()

FaceData *	getFace (int levelid, Level *level, int faceid, Res res)

void	readFaceInfo ()

void	readLevelInfo ()

void	readConstData ()

void	readLevel (int levelid, Level *&level)

void	readFace (int levelid, Level *level, int faceid, Res res)

void	readFaceData (FilePos pos, FaceDataHeader fdh, Res res, int levelid, FaceData *&face)

void	readMetaData ()

void	readMetaDataBlock (MetaData *metadata, FilePos pos, int zipsize, int memsize, size_t &metaDataMemUsed)

void	readLargeMetaDataHeaders (MetaData *metadata, FilePos pos, int zipsize, int memsize, size_t &metaDataMemUsed)

void	readEditData ()

void	readEditFaceData ()

void	readEditMetaData ()

FaceData *	errorData (bool deleteOnRelease=false)

void	computeOffsets (FilePos pos, int noffsets, const FaceDataHeader fdh, FilePos offsets)

Protected Member Functions inherited from PtexTexture
virtual	~PtexTexture ()
	Destructor not for public use. Use release() instead.

Protected Attributes inherited from PtexReader
Mutex	readlock

DefaultInputHandler	_defaultIo

PtexInputHandler *	_io

PtexErrorHandler *	_err

bool	_premultiply

bool	_ok

bool	_needToOpen

bool	_pendingPurge

PtexInputHandler::Handle	_fp

FilePos	_pos

std::string	_path

Header	_header

ExtHeader	_extheader

FilePos	_faceinfopos

FilePos	_constdatapos

FilePos	_levelinfopos

FilePos	_leveldatapos

FilePos	_metadatapos

FilePos	_lmdheaderpos

FilePos	_lmddatapos

FilePos	_editdatapos

int	_pixelsize

uint8_t *	_constdata

MetaData *	_metadata

bool	_hasEdits

std::vector< FaceInfo >	_faceinfo

std::vector< uint32_t >	_rfaceids

std::vector< LevelInfo >	_levelinfo

std::vector< FilePos >	_levelpos

std::vector< Level * >	_levels

std::vector< MetaEdit >	_metaedits

std::vector< FaceEdit >	_faceedits

ReductionMap	_reductions

std::vector< char >	_errorPixel

z_stream_s	_zstream

size_t	_baseMemUsed

volatile size_t	_memUsed

volatile size_t	_opens

volatile size_t	_blockReads