texture2d Class Reference

2d texture More...

Inheritance diagram for texture2d:

Public Member Functions
void	clear ()
	Clear the entire texture storage with zeros.
template<typename genType >
void	clear (genType const &Texel)
	Clear the entire texture storage with Texel which type must match the texture storage format block size If the type of genType doesn't match the type of the texture format, no conversion is performed and the data will be reinterpreted as if is was of the texture format. More...
template<typename genType >
void	clear (size_type Level, genType const &Texel)
	Clear a specific image of a texture.
extent_type	extent (size_type Level=0) const
	Return the dimensions of a texture instance: width and height.
template<typename genType >
genType	load (extent_type const &TexelCoord, size_type Level) const
	Fetch a texel from a texture. The texture format must be uncompressed.
image	operator[] (size_type Level) const
	Create a view of the image identified by Level in the mipmap chain of the texture.
template<typename genType >
void	store (extent_type const &TexelCoord, size_type Level, genType const &Texel)
	Write a texel to a texture. The texture format must be uncompressed.
	texture2d ()
	Create an empty texture 2D.
	texture2d (format_type Format, extent_type const &Extent, size_type Levels, swizzles_type const &Swizzles=swizzles_type(SWIZZLE_RED, SWIZZLE_GREEN, SWIZZLE_BLUE, SWIZZLE_ALPHA))
	Create a texture2d and allocate a new storage.
	texture2d (format_type Format, extent_type const &Extent, swizzles_type const &Swizzles=swizzles_type(SWIZZLE_RED, SWIZZLE_GREEN, SWIZZLE_BLUE, SWIZZLE_ALPHA))
	Create a texture2d and allocate a new storage with a complete mipmap chain.
	texture2d (texture const &Texture)
	Create a texture2d view with an existing storage.
	texture2d (texture const &Texture, format_type Format, size_type BaseLayer, size_type MaxLayer, size_type BaseFace, size_type MaxFace, size_type BaseLevel, size_type MaxLevel, swizzles_type const &Swizzles=swizzles_type(SWIZZLE_RED, SWIZZLE_GREEN, SWIZZLE_BLUE, SWIZZLE_ALPHA))
	Create a texture2d view with an existing storage.
	texture2d (texture2d const &Texture, size_type BaseLevel, size_type MaxLevel)
	Create a texture2d view, reference a subset of an existing texture2d instance.
Public Member Functions inherited from texture
size_type	base_face () const
	Return the base face of the texture instance, effectively a memory offset in the actual texture storage to identify where to start reading the faces.
size_type	base_layer () const
	Return the base layer of the texture instance, effectively a memory offset in the actual texture storage to identify where to start reading the layers.
size_type	base_level () const
	Return the base level of the texture instance, effectively a memory offset in the actual texture storage to identify where to start reading the levels.
void	clear ()
	Clear the entire texture storage with zeros.
template<typename genType >
void	clear (genType const &Texel)
	Clear the entire texture storage with Texel which type must match the texture storage format block size If the type of genType doesn't match the type of the texture format, no conversion is performed and the data will be reinterpreted as if is was of the texture format. More...
template<typename genType >
void	clear (size_type Layer, size_type Face, size_type Level, genType const &Texel)
	Clear a specific image of a texture.
void *	data ()
	Return a pointer to the beginning of the texture instance data.
template<typename genType >
genType *	data ()
	Return a pointer of type genType which size must match the texture format block size.
void const *	data () const
	Return a pointer to the beginning of the texture instance data.
template<typename genType >
genType const *	data () const
	Return a pointer of type genType which size must match the texture format block size.
void *	data (size_type Layer, size_type Face, size_type Level)
	Return a pointer to the beginning of the texture instance data.
void const *	data (size_type Layer, size_type Face, size_type Level) const
	Return a pointer to the beginning of the texture instance data.
template<typename genType >
genType *	data (size_type Layer, size_type Face, size_type Level)
	Return a pointer of type genType which size must match the texture format block size.
template<typename genType >
genType const *	data (size_type Layer, size_type Face, size_type Level) const
	Return a pointer of type genType which size must match the texture format block size.
bool	empty () const
	Return whether the texture instance is empty, no storage or description have been assigned to the instance.
extent_type	extent (size_type Level=0) const
	Return the size of a texture instance: width, height and depth.
size_type	faces () const
	Return max_face() - base_face() + 1.
format_type	format () const
	Return the texture instance format.
size_type	layers () const
	Return max_layer() - base_layer() + 1.
size_type	levels () const
	Return max_level() - base_level() + 1.
size_type	max_face () const
	Return the max face of the texture instance, effectively a memory offset to the beginning of the last face in the actual texture storage that the texture instance can access.
size_type	max_layer () const
	Return the max layer of the texture instance, effectively a memory offset to the beginning of the last layer in the actual texture storage that the texture instance can access.
size_type	max_level () const
	Return the max level of the texture instance, effectively a memory offset to the beginning of the last level in the actual texture storage that the texture instance can access.
size_type	size () const
	Return the memory size of a texture instance storage in bytes.
template<typename genType >
size_type	size () const
	Return the number of blocks contained in a texture instance storage. More...
size_type	size (size_type Level) const
	Return the memory size of a specific level identified by Level.
template<typename genType >
size_type	size (size_type Level) const
	Return the memory size of a specific level identified by Level. More...
template<typename genType >
void	swizzle (gli::swizzles const &Swizzles)
	Reorder the component in texture memory.
target_type	target () const
	Return the target of a texture instance.
	texture ()
	Create an empty texture instance.
	texture (target_type Target, format_type Format, extent_type const &Extent, size_type Layers, size_type Faces, size_type Levels, swizzles_type const &Swizzles=swizzles_type(SWIZZLE_RED, SWIZZLE_GREEN, SWIZZLE_BLUE, SWIZZLE_ALPHA))
	Create a texture object and allocate a texture storoge for it. More...
	texture (texture const &Texture, target_type Target, format_type Format, size_type BaseLayer, size_type MaxLayer, size_type BaseFace, size_type MaxFace, size_type BaseLevel, size_type MaxLevel, swizzles_type const &Swizzles=swizzles_type(SWIZZLE_RED, SWIZZLE_GREEN, SWIZZLE_BLUE, SWIZZLE_ALPHA))
	Create a texture object by sharing an existing texture storage from another texture instance. More...
	texture (texture const &Texture, target_type Target, format_type Format, swizzles_type const &Swizzles=swizzles_type(SWIZZLE_RED, SWIZZLE_GREEN, SWIZZLE_BLUE, SWIZZLE_ALPHA))
	Create a texture object by sharing an existing texture storage from another texture instance. More...

Additional Inherited Members
Protected Member Functions inherited from texture
size_type	base_offset (size_type Layer, size_type Face, size_type Level) const
	Compute the relative memory offset to access the data for a specific layer, face and level.

Detailed Description

2d texture

Definition at line 13 of file texture2d.hpp.

Member Function Documentation

void clear

(

genType const &

Texel

)

Clear the entire texture storage with Texel which type must match the texture storage format block size If the type of genType doesn't match the type of the texture format, no conversion is performed and the data will be reinterpreted as if is was of the texture format.