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Texture Class Reference

#include <texture.h>

Inheritance diagram for Texture:


Public Types
enum	DirtyFlags { DF_image = 0x001, DF_wrap = 0x002, DF_filter = 0x004, DF_mipmap = 0x008 }
Public Member Functions
bool	load (const PNMImage &pnmimage)
bool	store (PNMImage &pnmimage) const
TextureContext *	prepare (GraphicsStateGuardianBase *gsg)
void	unprepare ()
void	unprepare (GraphicsStateGuardianBase *gsg)
void	clear_gsg (GraphicsStateGuardianBase *gsg)
INLINE bool	has_ram_image () const
PixelBuffer *	get_ram_image ()
INLINE void	set_keep_ram_image (bool keep_ram_image)
INLINE bool	get_keep_ram_image () const
INLINE void	apply (GraphicsStateGuardianBase *gsg)
virtual void	copy (GraphicsStateGuardianBase gsg, const DisplayRegion dr)
virtual void	copy (GraphicsStateGuardianBase gsg, const DisplayRegion dr, const RenderBuffer &rb)
void	mark_dirty (int flags_to_set)
	PT (PixelBuffer) _pbuffer
virtual void	write_datagram (BamWriter *manager, Datagram &me)
virtual TypeHandle	get_type () const
virtual TypeHandle	force_init_type ()
Static Public Member Functions
bool	is_mipmap (FilterType type)
WrapMode	string_wrap_mode (const string &string)
FilterType	string_filter_type (const string &string)
void	register_with_read_factory (void)
TypedWritable *	make_Texture (const FactoryParams &params)
TypeHandle	get_class_type ()
void	init_type ()
Protected Member Functions
void	fillin (DatagramIterator &scan, BamReader *manager)
Private Types
typedef pmap< GraphicsStateGuardianBase , TextureContext >	Contexts
enum	WrapMode { WM_clamp, WM_repeat, WM_mirror, WM_mirror_once, WM_border_color, WM_invalid }
Private Member Functions
	Texture (int xsize, int ysize, int components, int component_width, PixelBuffer::Type type, PixelBuffer::Format format, bool bAllocateRAM)
	~Texture ()
bool	read (const Filename &fullpath, int primary_file_num_channels=0)
bool	read (const Filename &fullpath, const Filename &alpha_fullpath, int primary_file_num_channels=0, int alpha_file_channel=0)
bool	write (const Filename &fullpath="") const
void	set_wrapu (WrapMode wrap)
void	set_wrapv (WrapMode wrap)
void	set_minfilter (FilterType filter)
void	set_magfilter (FilterType filter)
void	set_anisotropic_degree (int anisotropic_degree)
void	set_border_color (const Colorf &color)
INLINE WrapMode	get_wrapu () const
INLINE WrapMode	get_wrapv () const
INLINE FilterType	get_minfilter () const
INLINE FilterType	get_magfilter () const
INLINE int	get_anisotropic_degree () const
INLINE bool	uses_mipmaps () const
Private Attributes
PUBLISHED	__pad0__: enum FilterType { FT_nearest
PUBLISHED	FT_linear
PUBLISHED	FT_nearest_mipmap_nearest
PUBLISHED	FT_linear_mipmap_nearest
PUBLISHED	FT_nearest_mipmap_linear
PUBLISHED	FT_linear_mipmap_linear
PUBLISHED	FT_invalid
PUBLISHED	__pad1__: Texture()
WrapMode	_wrapu
WrapMode	_wrapv
FilterType	_minfilter
FilterType	_magfilter
int	_anisotropic_degree
bool	_keep_ram_image
Colorf	_border_color
Contexts	_contexts
int	_all_dirty_flags
Static Private Attributes
TypeHandle	_type_handle
Friends
class	TextureContext

Member Typedef Documentation

typedef pmap<GraphicsStateGuardianBase *, TextureContext *> Texture::Contexts [private]

Definition at line 151 of file texture.h.
Referenced by unprepare().

Member Enumeration Documentation

enum Texture::DirtyFlags

Enumeration values:

DF_image

DF_wrap

DF_filter

DF_mipmap

Definition at line 126 of file texture.h.

enum Texture::WrapMode [private]

Enumeration values:

WM_clamp

WM_repeat

WM_mirror

WM_mirror_once

WM_border_color

WM_invalid

Definition at line 66 of file texture.h.
Referenced by DXGraphicsStateGuardian8::apply_texture(), fillin(), and DXGraphicsStateGuardian7::prepare_texture().

Constructor & Destructor Documentation

Texture::Texture ( int xsize,

int ysize,

int components,

int component_width,

PixelBuffer::Type type,

PixelBuffer::Format format,

bool bAllocateRAM

) [private]

Definition at line 154 of file texture.cxx.
References _all_dirty_flags, _anisotropic_degree, _border_color, _keep_ram_image, _magfilter, _minfilter, _wrapu, _wrapv, Colorf, format, and type.

Texture::~Texture ( ) [private]

Definition at line 174 of file texture.cxx.
References unprepare().

Member Function Documentation

INLINE void Texture::apply ( GraphicsStateGuardianBase * gsg )

Referenced by GLGraphicsStateGuardian::issue_texture(), DXGraphicsStateGuardian8::issue_texture(), CRGraphicsStateGuardian::issue_texture(), and DXGraphicsStateGuardian7::prepare_texture().

void Texture::clear_gsg ( GraphicsStateGuardianBase * gsg )

Definition at line 552 of file texture.cxx.
References _contexts.
Referenced by DXGraphicsStateGuardian7::prepare_texture(), RIBGraphicsStateGuardian::release_texture(), GLGraphicsStateGuardian::release_texture(), DXGraphicsStateGuardian8::release_texture(), and CRGraphicsStateGuardian::release_texture().

void Texture::copy ( GraphicsStateGuardianBase * gsg,

const DisplayRegion * dr,

const RenderBuffer & rb

) [virtual]

Implements ImageBuffer.
Definition at line 613 of file texture.cxx.
References GraphicsStateGuardianBase::copy_texture(), and prepare().

void Texture::copy ( GraphicsStateGuardianBase * gsg,

const DisplayRegion * dr

) [virtual]

Implements ImageBuffer.
Definition at line 609 of file texture.cxx.
References GraphicsStateGuardianBase::copy_texture(), and prepare().
Referenced by SpheretexReflector::pre_apply().

void Texture::fillin ( DatagramIterator & scan,

BamReader * manager

) [protected]

Reimplemented from ImageBuffer.
Definition at line 791 of file texture.cxx.
References _anisotropic_degree, _magfilter, _minfilter, _wrapu, _wrapv, format, PixelBuffer::Format, DatagramIterator::get_bool(), DatagramIterator::get_int16(), DatagramIterator::get_uint8(), NULL, and WrapMode.

virtual TypeHandle Texture::force_init_type ( void ) [inline, virtual]

Reimplemented from ImageBuffer.
Definition at line 197 of file texture.h.
References ImageBuffer::get_class_type(), and ImageBuffer::init_type().

INLINE int Texture::get_anisotropic_degree ( ) const [private]

Referenced by DXGraphicsStateGuardian8::apply_texture(), DXTextureContext8::CreateTexture(), DXTextureContext7::DXTextureContext7(), DXTextureContext8::DXTextureContext8(), and DXGraphicsStateGuardian7::prepare_texture().

TypeHandle Texture::get_class_type ( void ) [inline, static]

Reimplemented from ImageBuffer.
Definition at line 186 of file texture.h.
Referenced by register_with_read_factory().

INLINE bool Texture::get_keep_ram_image ( ) const

INLINE FilterType Texture::get_magfilter ( ) const [private]

Referenced by DXGraphicsStateGuardian8::apply_texture(), DXTextureContext8::CreateTexture(), DXTextureContext7::DXTextureContext7(), DXTextureContext8::DXTextureContext8(), DXGraphicsStateGuardian7::prepare_texture(), GLGraphicsStateGuardian::specify_texture(), and CRGraphicsStateGuardian::specify_texture().

INLINE FilterType Texture::get_minfilter ( ) const [private]

Referenced by DXGraphicsStateGuardian8::apply_texture(), DXTextureContext8::CreateTexture(), DXTextureContext7::DXTextureContext7(), DXTextureContext8::DXTextureContext8(), TextureContext::estimate_texture_memory(), DXGraphicsStateGuardian7::prepare_texture(), GLGraphicsStateGuardian::specify_texture(), and CRGraphicsStateGuardian::specify_texture().

PixelBuffer * Texture::get_ram_image ( )

Definition at line 589 of file texture.cxx.
References ImageBuffer::get_alpha_fullpath(), ImageBuffer::get_fullpath(), Namable::get_name(), ImageBuffer::has_alpha_fullpath(), has_ram_image(), NULL, and read().
Referenced by GLGraphicsStateGuardian::apply_texture_immediate(), CRGraphicsStateGuardian::apply_texture_immediate(), DXTextureContext8::FillDDSurfTexturePixels(), DXTextureContext7::FillDDSurfTexturePixels(), DXGraphicsStateGuardian7::prepare_texture(), GLGraphicsStateGuardian::save_mipmap_images(), and CRGraphicsStateGuardian::save_mipmap_images().

virtual TypeHandle Texture::get_type ( void ) const [inline, virtual]

Reimplemented from ImageBuffer.
Definition at line 194 of file texture.h.
References ImageBuffer::get_class_type().

INLINE WrapMode Texture::get_wrapu ( ) const [private]

Referenced by DXGraphicsStateGuardian8::apply_texture(), RIBGraphicsStateGuardian::define_texture(), DXGraphicsStateGuardian7::prepare_texture(), GLGraphicsStateGuardian::specify_texture(), and CRGraphicsStateGuardian::specify_texture().

INLINE WrapMode Texture::get_wrapv ( ) const [private]

Referenced by DXGraphicsStateGuardian8::apply_texture(), RIBGraphicsStateGuardian::define_texture(), DXGraphicsStateGuardian7::prepare_texture(), GLGraphicsStateGuardian::specify_texture(), and CRGraphicsStateGuardian::specify_texture().

INLINE bool Texture::has_ram_image ( ) const

Referenced by DXTextureContext8::CreateTexture(), SomeViz::DisplayTexture(), BaseViz::DisplayTexture(), get_ram_image(), and write().

void Texture::init_type ( void ) [inline, static]

Reimplemented from ImageBuffer.
Definition at line 189 of file texture.h.
References ImageBuffer::get_class_type(), ImageBuffer::init_type(), and register_type().
Referenced by ConfigureFn().

bool Texture::is_mipmap ( FilterType type ) [static]

Definition at line 448 of file texture.cxx.
References FT_linear_mipmap_linear, FT_linear_mipmap_nearest, FT_nearest_mipmap_linear, and FT_nearest_mipmap_nearest.
Referenced by set_minfilter().

bool Texture::load ( const PNMImage & pnmimage )

Definition at line 421 of file texture.cxx.
References DF_image, and mark_dirty().
Referenced by event_T(), and read().

TypedWritable * Texture::make_Texture ( const FactoryParams & params ) [static]

Definition at line 720 of file texture.cxx.
References BamReader::get_file_minor_ver(), DatagramIterator::get_string(), DatagramIterator::get_uint8(), TexturePool::load_texture(), NULL, params, parse_params(), and PT().
Referenced by register_with_read_factory().

void Texture::mark_dirty ( int flags_to_set )

Definition at line 635 of file texture.cxx.
References _all_dirty_flags, and _contexts.
Referenced by load(), set_anisotropic_degree(), set_magfilter(), set_minfilter(), set_wrapu(), and set_wrapv().

TextureContext * Texture::prepare ( GraphicsStateGuardianBase * gsg )

Definition at line 469 of file texture.cxx.
References _all_dirty_flags, _contexts, _keep_ram_image, Namable::get_name(), keep_texture_ram, GraphicsStateGuardianBase::prepare_texture(), and tc.
Referenced by copy(), SomeViz::DisplayTexture(), and BaseViz::DisplayTexture().

Texture::PT ( PixelBuffer )

Referenced by make_Texture().

bool Texture::read ( const Filename & fullpath,

const Filename & alpha_fullpath,

int primary_file_num_channels = 0,

int alpha_file_channel = 0

) [private]

Definition at line 224 of file texture.cxx.
References ImageBuffer::_alpha_file_channel, ImageBuffer::_primary_file_num_channels, consider_downgrade(), consider_rescale(), PNMImage::get_alpha(), PNMImage::get_channel_val(), PNMImage::get_gray(), PNMImageHeader::get_maxval(), Namable::get_name(), PNMImageHeader::get_num_channels(), PNMImageHeader::get_type(), PNMImageHeader::get_x_size(), PNMImageHeader::get_y_size(), Namable::has_name(), image, load(), PNMImage::quick_filter_from(), PNMImage::read(), ImageBuffer::set_alpha_filename(), ImageBuffer::set_alpha_fullpath(), ImageBuffer::set_filename(), ImageBuffer::set_fullpath(), Namable::set_name(), x, and y.

bool Texture::read ( const Filename & fullpath,

int primary_file_num_channels = 0

) [private]

Definition at line 187 of file texture.cxx.
References ImageBuffer::_alpha_file_channel, ImageBuffer::_primary_file_num_channels, ImageBuffer::clear_alpha_filename(), ImageBuffer::clear_alpha_fullpath(), consider_downgrade(), consider_rescale(), Namable::get_name(), Namable::has_name(), image, load(), ImageBuffer::set_filename(), ImageBuffer::set_fullpath(), and Namable::set_name().
Referenced by get_ram_image(), herc_keys(), TexturePool::ns_load_texture(), PT(), shader_keys(), and text_keys().

void Texture::register_with_read_factory ( void ) [static]

Definition at line 710 of file texture.cxx.
References get_class_type(), BamReader::get_factory(), make_Texture(), and Factory< TypedWritable >::register_factory().
Referenced by ConfigureFn().

void Texture::set_anisotropic_degree ( int anisotropic_degree ) [private]

Definition at line 398 of file texture.cxx.
References _anisotropic_degree, DF_filter, and mark_dirty().
Referenced by EggLoader::apply_texture_attributes(), and DXTextureContext8::CreateTexture().

void Texture::set_border_color ( const Colorf & color ) [private]

Definition at line 411 of file texture.cxx.
References _border_color, and Colorf.

INLINE void Texture::set_keep_ram_image ( bool keep_ram_image )

void Texture::set_magfilter ( FilterType filter ) [private]

Definition at line 381 of file texture.cxx.
References _magfilter, DF_filter, filter, and mark_dirty().
Referenced by EggLoader::apply_texture_attributes(), DXTextureContext8::CreateTexture(), herc_keys(), WindowFramework::load_default_model(), min_shader_keys(), PT(), and text_keys().

void Texture::set_minfilter ( FilterType filter ) [private]

Definition at line 364 of file texture.cxx.
References _minfilter, DF_filter, DF_mipmap, filter, is_mipmap(), and mark_dirty().
Referenced by EggLoader::apply_texture_attributes(), DXTextureContext8::CreateTexture(), event_T(), herc_keys(), WindowFramework::load_default_model(), min_shader_keys(), PT(), and text_keys().

void Texture::set_wrapu ( WrapMode wrap ) [private]

Definition at line 338 of file texture.cxx.
References _wrapu, DF_wrap, and mark_dirty().
Referenced by EggLoader::apply_texture_attributes(), herc_keys(), and min_shader_keys().

void Texture::set_wrapv ( WrapMode wrap ) [private]

Definition at line 351 of file texture.cxx.
References _wrapv, DF_wrap, and mark_dirty().
Referenced by EggLoader::apply_texture_attributes(), herc_keys(), and min_shader_keys().

bool Texture::store ( PNMImage & pnmimage ) const

Definition at line 437 of file texture.cxx.

Texture::FilterType Texture::string_filter_type ( const string & string ) [static]

Definition at line 683 of file texture.cxx.
References cmp_nocase_uh(), FT_invalid, FT_linear, FT_linear_mipmap_linear, FT_linear_mipmap_nearest, FT_nearest_mipmap_linear, and FT_nearest_mipmap_nearest.
Referenced by init_libtext().

Texture::WrapMode Texture::string_wrap_mode ( const string & string ) [static]

Definition at line 659 of file texture.cxx.
References cmp_nocase_uh(), WM_border_color, WM_clamp, and WM_invalid.

void Texture::unprepare ( GraphicsStateGuardianBase * gsg )

Definition at line 533 of file texture.cxx.
References _contexts, GraphicsStateGuardianBase::release_texture(), and tc.

void Texture::unprepare ( )

Definition at line 507 of file texture.cxx.
References _contexts, Contexts, GraphicsStateGuardianBase::release_texture(), and tc.
Referenced by ~Texture().

INLINE bool Texture::uses_mipmaps ( ) const [private]

Referenced by GLGraphicsStateGuardian::apply_texture_immediate(), and CRGraphicsStateGuardian::apply_texture_immediate().

bool Texture::write ( const Filename & fullpath = "" ) const [private]

Definition at line 317 of file texture.cxx.
References has_ram_image(), and PNMImage::write().
Referenced by RIBGraphicsStateGuardian::define_texture().

void Texture::write_datagram ( BamWriter * manager,

Datagram & me

) [virtual]

Reimplemented from ImageBuffer.
Definition at line 829 of file texture.cxx.
References _anisotropic_degree, _magfilter, _minfilter, _wrapu, _wrapv, Datagram::add_bool(), Datagram::add_int16(), Datagram::add_uint8(), NULL, and ImageBuffer::write_datagram().

Friends And Related Function Documentation

friend class TextureContext [friend]

Definition at line 203 of file texture.h.

Member Data Documentation

PUBLISHED Texture::__pad0__ [private]

Reimplemented from ImageBuffer.
Definition at line 42 of file texture.h.

PUBLISHED Texture::__pad1__ [private]

Reimplemented from ImageBuffer.
Definition at line 77 of file texture.h.

int Texture::_all_dirty_flags [private]

Definition at line 157 of file texture.h.
Referenced by mark_dirty(), prepare(), and Texture().

int Texture::_anisotropic_degree [private]

Definition at line 143 of file texture.h.
Referenced by fillin(), set_anisotropic_degree(), Texture(), and write_datagram().

Colorf Texture::_border_color [private]

Definition at line 145 of file texture.h.
Referenced by set_border_color(), and Texture().

Contexts Texture::_contexts [private]

Definition at line 152 of file texture.h.
Referenced by clear_gsg(), mark_dirty(), prepare(), and unprepare().

bool Texture::_keep_ram_image [private]

Definition at line 144 of file texture.h.
Referenced by prepare(), and Texture().

FilterType Texture::_magfilter [private]

Definition at line 142 of file texture.h.
Referenced by fillin(), set_magfilter(), Texture(), and write_datagram().

FilterType Texture::_minfilter [private]

Definition at line 141 of file texture.h.
Referenced by fillin(), set_minfilter(), Texture(), and write_datagram().