Texture resource. More...

#include <OpenGl_Texture.hxx>

Inheritance diagram for OpenGl_Texture:

[legend]

Public Member Functions
	OpenGl_Texture (const TCollection_AsciiString &theResourceId=TCollection_AsciiString::EmptyString(), const occ::handle< Graphic3d_TextureParams > &theParams=occ::handle< Graphic3d_TextureParams >())
	Create uninitialized texture.

	~OpenGl_Texture () override
	Destroy object.

virtual bool	IsValid () const

unsigned int	GetTarget () const

const NCollection_Vec3< int > &	Size () const
	Return texture dimensions (0 LOD)

int	SizeX () const
	Return texture width (0 LOD)

int	SizeY () const
	Return texture height (0 LOD)

int	SizeZ () const
	Return texture depth (0 LOD)

unsigned int	TextureId () const

unsigned int	GetFormat () const

int	SizedFormat () const

bool	IsAlpha () const
	Return true for GL_RED and GL_ALPHA formats.

void	SetAlpha (const bool theValue)
	Setup to interpret the format as Alpha by Shader Manager (should be GL_ALPHA within compatible context or GL_RED otherwise).

bool	IsTopDown () const
	Return if 2D surface is defined top-down (TRUE) or bottom-up (FALSE). Normally set from Image_PixMap::IsTopDown() within texture initialization.

void	SetTopDown (bool theIsTopDown)
	Set if 2D surface is defined top-down (TRUE) or bottom-up (FALSE).

bool	Create (const occ::handle< OpenGl_Context > &theCtx)
	Creates Texture id if not yet generated. Data should be initialized by another method.

void	Release (OpenGl_Context *theCtx) override
	Destroy object - will release GPU memory if any.

const occ::handle< OpenGl_Sampler > &	Sampler () const
	Return texture sampler.

void	SetSampler (const occ::handle< OpenGl_Sampler > &theSampler)
	Set texture sampler.

bool	InitSamplerObject (const occ::handle< OpenGl_Context > &theCtx)
	Initialize the Sampler Object (as OpenGL object).

void	Bind (const occ::handle< OpenGl_Context > &theCtx) const
	Bind this Texture to the unit specified in sampler parameters. Also binds Sampler Object if it is allocated.

void	Unbind (const occ::handle< OpenGl_Context > &theCtx) const
	Unbind texture from the unit specified in sampler parameters. Also unbinds Sampler Object if it is allocated.

void	Bind (const occ::handle< OpenGl_Context > &theCtx, const Graphic3d_TextureUnit theTextureUnit) const
	Bind this Texture to specified unit. Also binds Sampler Object if it is allocated.

void	Unbind (const occ::handle< OpenGl_Context > &theCtx, const Graphic3d_TextureUnit theTextureUnit) const
	Unbind texture from specified unit. Also unbinds Sampler Object if it is allocated.

size_t	Revision () const
	Revision of associated data source.

void	SetRevision (const size_t theRevision)
	Set revision of associated data source.

bool	Init (const occ::handle< OpenGl_Context > &theCtx, const Image_PixMap &theImage, const Graphic3d_TypeOfTexture theType, const bool theIsColorMap)
	Notice that texture will be unbound after this call.

bool	Init (const occ::handle< OpenGl_Context > &theCtx, const OpenGl_TextureFormat &theFormat, const NCollection_Vec3< int > &theSizeXYZ, const Graphic3d_TypeOfTexture theType, const Image_PixMap *theImage=nullptr)
	Initialize the texture with specified format, size and texture type. If theImage is empty the texture data will contain trash. Notice that texture will be unbound after this call.

bool	Init (const occ::handle< OpenGl_Context > &theCtx, const OpenGl_TextureFormat &theFormat, const NCollection_Vec2< int > &theSizeXY, const Graphic3d_TypeOfTexture theType, const Image_PixMap *theImage=nullptr)
	Initialize the 2D texture with specified format, size and texture type. If theImage is empty the texture data will contain trash. Notice that texture will be unbound after this call.

bool	Init (const occ::handle< OpenGl_Context > &theCtx, const occ::handle< Graphic3d_TextureRoot > &theTextureMap)
	Initialize the texture with Graphic3d_TextureMap. It is an universal way to initialize. Suitable initialization method will be chosen.

bool	GenerateMipmaps (const occ::handle< OpenGl_Context > &theCtx)
	Generate mipmaps.

bool	InitCompressed (const occ::handle< OpenGl_Context > &theCtx, const Image_CompressedPixMap &theImage, const bool theIsColorMap)
	Initialize the texture with Image_CompressedPixMap.

bool	Init2DMultisample (const occ::handle< OpenGl_Context > &theCtx, const int theNbSamples, const int theTextFormat, const int theSizeX, const int theSizeY)
	Initialize the 2D multisampling texture using glTexImage2DMultisample().

bool	InitRectangle (const occ::handle< OpenGl_Context > &theCtx, const int theSizeX, const int theSizeY, const OpenGl_TextureFormat &theFormat)
	Allocates texture rectangle with specified format and size.

bool	Init3D (const occ::handle< OpenGl_Context > &theCtx, const OpenGl_TextureFormat &theFormat, const NCollection_Vec3< int > &theSizeXYZ, const void *thePixels)
	Initializes 3D texture rectangle with specified format and size.

bool	HasMipmaps () const

int	MaxMipmapLevel () const
	Return upper mipmap level index (0 means no mipmaps).

int	NbSamples () const
	Return number of MSAA samples.

size_t	EstimatedDataSize () const override
	Returns estimated GPU memory usage for holding data without considering overheads and allocation alignment rules.

virtual bool	IsPointSprite () const
	Returns TRUE for point sprite texture.

bool	ImageDump (Image_PixMap &theImage, const occ::handle< OpenGl_Context > &theCtx, Graphic3d_TextureUnit theTexUnit, int theLevel=0, int theCubeSide=0) const
	Auxiliary method for making an image dump from texture data.

separate parameters bool	Init (const occ::handle< OpenGl_Context > &theCtx, const int theTextFormat, const unsigned int thePixelFormat, const unsigned int theDataType, const int theSizeX, const int theSizeY, const Graphic3d_TypeOfTexture theType, const Image_PixMap *theImage=nullptr)

specified bool	Init (const occ::handle< OpenGl_Context > &theCtx, const Image_PixMap &theImage, const Graphic3d_TypeOfTexture theType)

separate parameters bool	Init3D (const occ::handle< OpenGl_Context > &theCtx, const int theTextFormat, const unsigned int thePixelFormat, const unsigned int theDataType, const int theSizeX, const int theSizeY, const int theSizeZ, const void *thePixels)

bool	InitCubeMap (const occ::handle< OpenGl_Context > &theCtx, const occ::handle< Graphic3d_CubeMap > &theCubeMap, size_t theSize, Image_Format theFormat, bool theToGenMipmap, bool theIsColorMap)
	Initializes 6 sides of cubemap. If theCubeMap is not NULL then size and format will be taken from it and corresponding arguments will be ignored. Otherwise this parameters will be taken from arguments.

Public Member Functions inherited from OpenGl_NamedResource
	OpenGl_NamedResource (const TCollection_AsciiString &theId)
	Empty constructor.

const TCollection_AsciiString &	ResourceId () const
	Return resource name.

Public Member Functions inherited from OpenGl_Resource
	OpenGl_Resource ()
	Empty constructor.

	~OpenGl_Resource () override
	Destructor. Inheritors should call Clean (NULL) within it.

virtual void	DumpJson (Standard_OStream &theOStream, int theDepth=-1) const
	Dumps the content of me into the stream.

Public Member Functions inherited from Standard_Transient
	Standard_Transient ()
	Empty constructor.

	Standard_Transient (const Standard_Transient &)
	Copy constructor – does nothing.

Standard_Transient &	operator= (const Standard_Transient &)
	Assignment operator, needed to avoid copying reference counter.

virtual	~Standard_Transient ()=default
	Destructor must be virtual.

virtual const opencascade::handle< Standard_Type > &	DynamicType () const
	Returns a type descriptor about this object.

bool	IsInstance (const opencascade::handle< Standard_Type > &theType) const
	Returns a true value if this is an instance of Type.

bool	IsInstance (const char *const theTypeName) const
	Returns a true value if this is an instance of TypeName.

bool	IsKind (const opencascade::handle< Standard_Type > &theType) const
	Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism.

bool	IsKind (const char *const theTypeName) const
	Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism.

Standard_Transient *	This () const
	Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero.

int	GetRefCount () const noexcept
	Get the reference counter of this object.

void	IncrementRefCounter () noexcept
	Increments the reference counter of this object. Uses relaxed memory ordering since incrementing only requires atomicity, not synchronization with other memory operations.

int	DecrementRefCounter () noexcept
	Decrements the reference counter of this object; returns the decremented value. Uses release ordering for the decrement to ensure all writes to the object are visible before the count reaches zero. An acquire fence is added only when the count reaches zero, ensuring proper synchronization before deletion. This is more efficient than using acq_rel for every decrement.

virtual void	Delete () const
	Memory deallocator for transient classes.

Static Public Member Functions
static size_t	PixelSizeOfPixelFormat (int theInternalFormat)
	Return pixel size of pixel format in bytes. Note that this method considers that OpenGL natively supports this pixel format, which might be not the case - in the latter case, actual pixel size might differ!

static instead bool	GetDataFormat (const occ::handle< OpenGl_Context > &theCtx, const Image_Format theFormat, int &theTextFormat, unsigned int &thePixelFormat, unsigned int &theDataType)

static instead bool	GetDataFormat (const occ::handle< OpenGl_Context > &theCtx, const Image_PixMap &theData, int &theTextFormat, unsigned int &thePixelFormat, unsigned int &theDataType)

Static Public Member Functions inherited from Standard_Transient
static constexpr const char *	get_type_name ()
	Returns a type descriptor about this object.

static const opencascade::handle< Standard_Type > &	get_type_descriptor ()
	Returns type descriptor of Standard_Transient class.

Static Public Attributes
static const unsigned int	NO_TEXTURE = 0
	Helpful constants.

Protected Member Functions
void	applyDefaultSamplerParams (const occ::handle< OpenGl_Context > &theCtx)
	Apply default sampler parameters after texture creation.

Protected Attributes
occ::handle< OpenGl_Sampler >	mySampler
	texture sampler

size_t	myRevision
	revision of associated data source

unsigned int	myTextureId
	GL resource ID.

unsigned int	myTarget
	GL_TEXTURE_1D/GL_TEXTURE_2D/GL_TEXTURE_3D.

NCollection_Vec3< int >	mySize
	texture width x height x depth

unsigned int	myTextFormat
	texture format - GL_RGB, GL_RGBA,...

int	mySizedFormat
	internal (sized) texture format

int	myNbSamples
	number of MSAA samples

int	myMaxMipLevel
	upper mipmap level index (0 means no mipmaps)

bool	myIsAlpha
	indicates alpha format

bool	myIsTopDown
	indicates if 2D surface is defined top-down (TRUE) or bottom-up (FALSE)

Protected Attributes inherited from OpenGl_NamedResource
TCollection_AsciiString	myResourceId
	resource name

Additional Inherited Members
Public Types inherited from Standard_Transient
typedef void	base_type
	Returns a type descriptor about this object.

Detailed Description

Texture resource.

Constructor & Destructor Documentation

◆ OpenGl_Texture()

OpenGl_Texture::OpenGl_Texture	(	const TCollection_AsciiString &	theResourceId = TCollection_AsciiString::EmptyString(),
		const occ::handle< Graphic3d_TextureParams > &	theParams = occ::handle< Graphic3d_TextureParams >() )

Create uninitialized texture.

◆ ~OpenGl_Texture()

OpenGl_Texture::~OpenGl_Texture ( )

override

Destroy object.

Member Function Documentation

◆ applyDefaultSamplerParams()

void OpenGl_Texture::applyDefaultSamplerParams ( const occ::handle< OpenGl_Context > & theCtx )

protected

Apply default sampler parameters after texture creation.

◆ Bind() [1/2]

void OpenGl_Texture::Bind ( const occ::handle< OpenGl_Context > & theCtx ) const

inline

Bind this Texture to the unit specified in sampler parameters. Also binds Sampler Object if it is allocated.

◆ Bind() [2/2]

void OpenGl_Texture::Bind	(	const occ::handle< OpenGl_Context > &	theCtx,
		const Graphic3d_TextureUnit	theTextureUnit ) const

Bind this Texture to specified unit. Also binds Sampler Object if it is allocated.

◆ Create()

bool OpenGl_Texture::Create ( const occ::handle< OpenGl_Context > & theCtx )

Creates Texture id if not yet generated. Data should be initialized by another method.

◆ EstimatedDataSize()

size_t OpenGl_Texture::EstimatedDataSize ( ) const

overridevirtual

Returns estimated GPU memory usage for holding data without considering overheads and allocation alignment rules.

Implements OpenGl_Resource.

◆ GenerateMipmaps()

bool OpenGl_Texture::GenerateMipmaps ( const occ::handle< OpenGl_Context > & theCtx )

Generate mipmaps.

◆ GetDataFormat() [1/2]

static instead bool OpenGl_Texture::GetDataFormat	(	const occ::handle< OpenGl_Context > &	theCtx,
		const Image_Format	theFormat,
		int &	theTextFormat,
		unsigned int &	thePixelFormat,
		unsigned int &	theDataType )

inlinestatic

Deprecated: ("Deprecated method, OpenGl_TextureFormat::FindFormat() should be used "

◆ GetDataFormat() [2/2]

static instead bool OpenGl_Texture::GetDataFormat	(	const occ::handle< OpenGl_Context > &	theCtx,
		const Image_PixMap &	theData,
		int &	theTextFormat,
		unsigned int &	thePixelFormat,
		unsigned int &	theDataType )

inlinestatic

Deprecated: ("Deprecated method, OpenGl_TextureFormat::FindFormat() should be used "

◆ GetFormat()

unsigned int OpenGl_Texture::GetFormat ( ) const

inline

Returns: texture format (not sized)

◆ GetTarget()

unsigned int OpenGl_Texture::GetTarget ( ) const

inline

Returns: target to which the texture is bound (GL_TEXTURE_1D, GL_TEXTURE_2D)

◆ HasMipmaps()

bool OpenGl_Texture::HasMipmaps ( ) const

inline

Returns: true if texture was generated within mipmaps

◆ ImageDump()

bool OpenGl_Texture::ImageDump	(	Image_PixMap &	theImage,
		const occ::handle< OpenGl_Context > &	theCtx,
		Graphic3d_TextureUnit	theTexUnit,
		int	theLevel = 0,
		int	theCubeSide = 0 ) const

Auxiliary method for making an image dump from texture data.

Parameters

[out]	theImage	result image data (will be overridden)
[in]	theCtx	active GL context
[in]	theTexUnit	texture slot to use
[in]	theLevel	mipmap level to dump
[in]	theCubeSide	cubemap side to dump within [0, 5] range

Returns: FALSE on error

◆ Init() [1/6]

specified bool OpenGl_Texture::Init	(	const occ::handle< OpenGl_Context > &	theCtx,
		const Image_PixMap &	theImage,
		const Graphic3d_TypeOfTexture	theType )

inline

Deprecated: ("Deprecated method, theIsColorMap parameter should be explicitly "

◆ Init() [2/6]

bool OpenGl_Texture::Init	(	const occ::handle< OpenGl_Context > &	theCtx,
		const Image_PixMap &	theImage,
		const Graphic3d_TypeOfTexture	theType,
		const bool	theIsColorMap )

Notice that texture will be unbound after this call.

◆ Init() [3/6]

separate parameters bool OpenGl_Texture::Init	(	const occ::handle< OpenGl_Context > &	theCtx,
		const int	theTextFormat,
		const unsigned int	thePixelFormat,
		const unsigned int	theDataType,
		const int	theSizeX,
		const int	theSizeY,
		const Graphic3d_TypeOfTexture	theType,
		const Image_PixMap *	theImage = nullptr )

inline

Deprecated: ("Deprecated method, OpenGl_TextureFormat should be passed instead of "

◆ Init() [4/6]

bool OpenGl_Texture::Init	(	const occ::handle< OpenGl_Context > &	theCtx,
		const occ::handle< Graphic3d_TextureRoot > &	theTextureMap )

Initialize the texture with Graphic3d_TextureMap. It is an universal way to initialize. Suitable initialization method will be chosen.

◆ Init() [5/6]

bool OpenGl_Texture::Init	(	const occ::handle< OpenGl_Context > &	theCtx,
		const OpenGl_TextureFormat &	theFormat,
		const NCollection_Vec2< int > &	theSizeXY,
		const Graphic3d_TypeOfTexture	theType,
		const Image_PixMap *	theImage = nullptr )

inline

Initialize the 2D texture with specified format, size and texture type. If theImage is empty the texture data will contain trash. Notice that texture will be unbound after this call.

◆ Init() [6/6]

bool OpenGl_Texture::Init	(	const occ::handle< OpenGl_Context > &	theCtx,
		const OpenGl_TextureFormat &	theFormat,
		const NCollection_Vec3< int > &	theSizeXYZ,
		const Graphic3d_TypeOfTexture	theType,
		const Image_PixMap *	theImage = nullptr )

Initialize the texture with specified format, size and texture type. If theImage is empty the texture data will contain trash. Notice that texture will be unbound after this call.

◆ Init2DMultisample()

bool OpenGl_Texture::Init2DMultisample	(	const occ::handle< OpenGl_Context > &	theCtx,
		const int	theNbSamples,
		const int	theTextFormat,
		const int	theSizeX,
		const int	theSizeY )

Initialize the 2D multisampling texture using glTexImage2DMultisample().

◆ Init3D() [1/2]

separate parameters bool OpenGl_Texture::Init3D	(	const occ::handle< OpenGl_Context > &	theCtx,
		const int	theTextFormat,
		const unsigned int	thePixelFormat,
		const unsigned int	theDataType,
		const int	theSizeX,
		const int	theSizeY,
		const int	theSizeZ,
		const void *	thePixels )

inline

Deprecated: ("Deprecated method, OpenGl_TextureFormat should be passed instead of "

◆ Init3D() [2/2]

bool OpenGl_Texture::Init3D	(	const occ::handle< OpenGl_Context > &	theCtx,
		const OpenGl_TextureFormat &	theFormat,
		const NCollection_Vec3< int > &	theSizeXYZ,
		const void *	thePixels )

Initializes 3D texture rectangle with specified format and size.

◆ InitCompressed()

bool OpenGl_Texture::InitCompressed	(	const occ::handle< OpenGl_Context > &	theCtx,
		const Image_CompressedPixMap &	theImage,
		const bool	theIsColorMap )

Initialize the texture with Image_CompressedPixMap.

◆ InitCubeMap()

bool OpenGl_Texture::InitCubeMap	(	const occ::handle< OpenGl_Context > &	theCtx,
		const occ::handle< Graphic3d_CubeMap > &	theCubeMap,
		size_t	theSize,
		Image_Format	theFormat,
		bool	theToGenMipmap,
		bool	theIsColorMap )

Initializes 6 sides of cubemap. If theCubeMap is not NULL then size and format will be taken from it and corresponding arguments will be ignored. Otherwise this parameters will be taken from arguments.

Parameters

[in]	theCtx	active OpenGL context
[in]	theCubeMap	cubemap definition, can be NULL
[in]	theSize	cubemap dimensions
[in]	theFormat	image format
[in]	theToGenMipmap	flag to generate mipmaped cubemap
[in]	theIsColorMap	flag indicating cubemap storing color values

◆ InitRectangle()

bool OpenGl_Texture::InitRectangle	(	const occ::handle< OpenGl_Context > &	theCtx,
		const int	theSizeX,
		const int	theSizeY,
		const OpenGl_TextureFormat &	theFormat )

Allocates texture rectangle with specified format and size.

Note: Texture data is not initialized (will contain trash).

◆ InitSamplerObject()

bool OpenGl_Texture::InitSamplerObject ( const occ::handle< OpenGl_Context > & theCtx )

Initialize the Sampler Object (as OpenGL object).

Parameters

theCtx currently bound OpenGL context

◆ IsAlpha()

bool OpenGl_Texture::IsAlpha ( ) const

inline

Return true for GL_RED and GL_ALPHA formats.

◆ IsPointSprite()

virtual bool OpenGl_Texture::IsPointSprite ( ) const

inlinevirtual

Returns TRUE for point sprite texture.

Reimplemented in OpenGl_PointSprite.

◆ IsTopDown()

bool OpenGl_Texture::IsTopDown ( ) const

inline

Return if 2D surface is defined top-down (TRUE) or bottom-up (FALSE). Normally set from Image_PixMap::IsTopDown() within texture initialization.

◆ IsValid()

virtual bool OpenGl_Texture::IsValid ( ) const

inlinevirtual

Returns: true if current object was initialized

Reimplemented in OpenGl_PointSprite.

◆ MaxMipmapLevel()

int OpenGl_Texture::MaxMipmapLevel ( ) const

inline

Return upper mipmap level index (0 means no mipmaps).

◆ NbSamples()

int OpenGl_Texture::NbSamples ( ) const

inline

Return number of MSAA samples.

◆ PixelSizeOfPixelFormat()

static size_t OpenGl_Texture::PixelSizeOfPixelFormat ( int theInternalFormat )

static

Return pixel size of pixel format in bytes. Note that this method considers that OpenGL natively supports this pixel format, which might be not the case - in the latter case, actual pixel size might differ!

◆ Release()

void OpenGl_Texture::Release ( OpenGl_Context * theCtx )

overridevirtual

Destroy object - will release GPU memory if any.

Implements OpenGl_Resource.

◆ Revision()

size_t OpenGl_Texture::Revision ( ) const

inline

Revision of associated data source.

◆ Sampler()

const occ::handle< OpenGl_Sampler > & OpenGl_Texture::Sampler ( ) const

inline

Return texture sampler.

◆ SetAlpha()

void OpenGl_Texture::SetAlpha ( const bool theValue )

inline

Setup to interpret the format as Alpha by Shader Manager (should be GL_ALPHA within compatible context or GL_RED otherwise).

◆ SetRevision()

void OpenGl_Texture::SetRevision ( const size_t theRevision )

inline

Set revision of associated data source.

◆ SetSampler()

void OpenGl_Texture::SetSampler ( const occ::handle< OpenGl_Sampler > & theSampler )

inline

Set texture sampler.

◆ SetTopDown()

void OpenGl_Texture::SetTopDown ( bool theIsTopDown )

inline

Set if 2D surface is defined top-down (TRUE) or bottom-up (FALSE).

◆ Size()

const NCollection_Vec3< int > & OpenGl_Texture::Size ( ) const

inline

Return texture dimensions (0 LOD)

◆ SizedFormat()

int OpenGl_Texture::SizedFormat ( ) const

inline

Returns: texture format (sized)

◆ SizeX()

int OpenGl_Texture::SizeX ( ) const

inline

Return texture width (0 LOD)

◆ SizeY()

int OpenGl_Texture::SizeY ( ) const

inline

Return texture height (0 LOD)

◆ SizeZ()

int OpenGl_Texture::SizeZ ( ) const

inline

Return texture depth (0 LOD)

◆ TextureId()

unsigned int OpenGl_Texture::TextureId ( ) const

inline

Returns: texture ID

◆ Unbind() [1/2]

void OpenGl_Texture::Unbind ( const occ::handle< OpenGl_Context > & theCtx ) const

inline

Unbind texture from the unit specified in sampler parameters. Also unbinds Sampler Object if it is allocated.

◆ Unbind() [2/2]

void OpenGl_Texture::Unbind	(	const occ::handle< OpenGl_Context > &	theCtx,
		const Graphic3d_TextureUnit	theTextureUnit ) const

Unbind texture from specified unit. Also unbinds Sampler Object if it is allocated.

Field Documentation

◆ myIsAlpha

bool OpenGl_Texture::myIsAlpha

protected

indicates alpha format

◆ myIsTopDown

bool OpenGl_Texture::myIsTopDown

protected

indicates if 2D surface is defined top-down (TRUE) or bottom-up (FALSE)

◆ myMaxMipLevel

int OpenGl_Texture::myMaxMipLevel

protected

upper mipmap level index (0 means no mipmaps)

◆ myNbSamples

int OpenGl_Texture::myNbSamples

protected

number of MSAA samples

◆ myRevision

size_t OpenGl_Texture::myRevision

protected

revision of associated data source

◆ mySampler

occ::handle<OpenGl_Sampler> OpenGl_Texture::mySampler

protected

texture sampler

◆ mySize

NCollection_Vec3<int> OpenGl_Texture::mySize

protected

texture width x height x depth

◆ mySizedFormat

int OpenGl_Texture::mySizedFormat

protected

internal (sized) texture format

◆ myTarget

unsigned int OpenGl_Texture::myTarget

protected

GL_TEXTURE_1D/GL_TEXTURE_2D/GL_TEXTURE_3D.

◆ myTextFormat

unsigned int OpenGl_Texture::myTextFormat

protected

texture format - GL_RGB, GL_RGBA,...

◆ myTextureId

unsigned int OpenGl_Texture::myTextureId

protected

GL resource ID.

◆ NO_TEXTURE

const unsigned int OpenGl_Texture::NO_TEXTURE = 0

static

Helpful constants.

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

OpenGl_Texture.hxx

Public Member Functions

Static Public Member Functions

Static Public Attributes

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ OpenGl_Texture()

◆ ~OpenGl_Texture()

Member Function Documentation

◆ applyDefaultSamplerParams()

◆ Bind() [1/2]

◆ Bind() [2/2]

◆ Create()

◆ EstimatedDataSize()

◆ GenerateMipmaps()

◆ GetDataFormat() [1/2]

◆ GetDataFormat() [2/2]

◆ GetFormat()

◆ GetTarget()

◆ HasMipmaps()

◆ ImageDump()

◆ Init() [1/6]

◆ Init() [2/6]

◆ Init() [3/6]

◆ Init() [4/6]

◆ Init() [5/6]

◆ Init() [6/6]

◆ Init2DMultisample()

◆ Init3D() [1/2]

◆ Init3D() [2/2]

◆ InitCompressed()

◆ InitCubeMap()

◆ InitRectangle()

◆ InitSamplerObject()

◆ IsAlpha()

◆ IsPointSprite()

◆ IsTopDown()

◆ IsValid()

◆ MaxMipmapLevel()

◆ NbSamples()

◆ PixelSizeOfPixelFormat()

◆ Release()

◆ Revision()

◆ Sampler()

◆ SetAlpha()

◆ SetRevision()

◆ SetSampler()

◆ SetTopDown()

◆ Size()

◆ SizedFormat()

◆ SizeX()

◆ SizeY()

◆ SizeZ()

◆ TextureId()

◆ Unbind() [1/2]

◆ Unbind() [2/2]

Field Documentation

◆ myIsAlpha

◆ myIsTopDown

◆ myMaxMipLevel

◆ myNbSamples

◆ myRevision

◆ mySampler

◆ mySize

◆ mySizedFormat

◆ myTarget

◆ myTextFormat

◆ myTextureId

◆ NO_TEXTURE