osg::Texture

osg::Texture Class Reference

Inheritance diagram for osg::Texture:


Public Types
typedef std::list< ref_ptr< TextureObject > >	TextureObjectList
typedef osg::buffered_object< TextureObjectList >	TextureObjectListMap
	WRAP_S
	WRAP_T
	WRAP_R
	CLAMP = GL_CLAMP
	CLAMP_TO_EDGE = GL_CLAMP_TO_EDGE
	CLAMP_TO_BORDER = GL_CLAMP_TO_BORDER_ARB
	REPEAT = GL_REPEAT
	MIRROR = GL_MIRRORED_REPEAT_IBM
	MIN_FILTER
	MAG_FILTER
	LINEAR = GL_LINEAR
	LINEAR_MIPMAP_LINEAR = GL_LINEAR_MIPMAP_LINEAR
	LINEAR_MIPMAP_NEAREST = GL_LINEAR_MIPMAP_NEAREST
	NEAREST = GL_NEAREST
	NEAREST_MIPMAP_LINEAR = GL_NEAREST_MIPMAP_LINEAR
	NEAREST_MIPMAP_NEAREST = GL_NEAREST_MIPMAP_NEAREST
	USE_IMAGE_DATA_FORMAT
	USE_USER_DEFINED_FORMAT
	USE_ARB_COMPRESSION
	USE_S3TC_DXT1_COMPRESSION
	USE_S3TC_DXT3_COMPRESSION
	USE_S3TC_DXT5_COMPRESSION
	LEQUAL = GL_LEQUAL
	GEQUAL = GL_GEQUAL
	LUMINANCE = GL_LUMINANCE
	INTENSITY = GL_INTENSITY
	ALPHA = GL_ALPHA
enum	WrapParameter { WRAP_S, WRAP_T, WRAP_R }
enum	WrapMode { CLAMP = GL_CLAMP, CLAMP_TO_EDGE = GL_CLAMP_TO_EDGE, CLAMP_TO_BORDER = GL_CLAMP_TO_BORDER_ARB, REPEAT = GL_REPEAT, MIRROR = GL_MIRRORED_REPEAT_IBM }
enum	FilterParameter { MIN_FILTER, MAG_FILTER }
enum	FilterMode { LINEAR = GL_LINEAR, LINEAR_MIPMAP_LINEAR = GL_LINEAR_MIPMAP_LINEAR, LINEAR_MIPMAP_NEAREST = GL_LINEAR_MIPMAP_NEAREST, NEAREST = GL_NEAREST, NEAREST_MIPMAP_LINEAR = GL_NEAREST_MIPMAP_LINEAR, NEAREST_MIPMAP_NEAREST = GL_NEAREST_MIPMAP_NEAREST }
enum	InternalFormatMode { USE_IMAGE_DATA_FORMAT, USE_USER_DEFINED_FORMAT, USE_ARB_COMPRESSION, USE_S3TC_DXT1_COMPRESSION, USE_S3TC_DXT3_COMPRESSION, USE_S3TC_DXT5_COMPRESSION }
enum	ShadowCompareFunc { LEQUAL = GL_LEQUAL, GEQUAL = GL_GEQUAL }
enum	ShadowTextureMode { LUMINANCE = GL_LUMINANCE, INTENSITY = GL_INTENSITY, ALPHA = GL_ALPHA }
Public Member Functions
	Texture ()
	Texture (const Texture &text, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
virtual osg::Object *	cloneType () const =0
virtual osg::Object *	clone (const CopyOp &copyop) const =0
virtual bool	isSameKindAs (const osg::Object *obj) const
virtual const char *	libraryName () const
virtual const char *	className () const
virtual Type	getType () const
virtual bool	isTextureAttribute () const
virtual GLenum	getTextureTarget () const =0
virtual bool	getModeUsage (ModeUsage &usage) const
virtual int	getTextureWidth () const
virtual int	getTextureHeight () const
virtual int	getTextureDepth () const
void	setWrap (WrapParameter which, WrapMode wrap)
WrapMode	getWrap (WrapParameter which) const
void	setBorderColor (const Vec4 &color)
const Vec4 &	getBorderColor () const
void	setBorderWidth (GLint width)
GLint	getBorderWidth () const
void	setFilter (FilterParameter which, FilterMode filter)
FilterMode	getFilter (FilterParameter which) const
void	setMaxAnisotropy (float anis)
float	getMaxAnisotropy () const
void	setUseHardwareMipMapGeneration (bool useHardwareMipMapGeneration)
bool	getUseHardwareMipMapGeneration () const
void	setUnRefImageDataAfterApply (bool flag)
bool	getUnRefImageDataAfterApply () const
void	setClientStorageHint (bool flag)
bool	getClientStorageHint () const
void	setResizeNonPowerOfTwoHint (bool flag)
bool	getResizeNonPowerOfTwoHint () const
void	setInternalFormatMode (InternalFormatMode mode)
InternalFormatMode	getInternalFormatMode () const
void	setInternalFormat (GLint internalFormat)
GLint	getInternalFormat () const
bool	isCompressedInternalFormat () const
void	setSourceFormat (GLenum sourceFormat)
GLenum	getSourceFormat () const
void	setSourceType (GLenum sourceType)
GLenum	getSourceType () const
TextureObject *	getTextureObject (unsigned int contextID) const
void	dirtyTextureObject ()
bool	areAllTextureObjectsLoaded () const
unsigned int &	getTextureParameterDirty (unsigned int contextID) const
void	dirtyTextureParameters ()
void	setShadowComparison (bool flag)
void	setShadowCompareFunc (ShadowCompareFunc func)
ShadowCompareFunc	getShadowCompareFunc () const
void	setShadowTextureMode (ShadowTextureMode mode)
ShadowTextureMode	getShadowTextureMode () const
void	setShadowAmbient (float shadow_ambient)
float	getShadowAmbient () const
virtual void	setImage (unsigned int face, Image *image)=0
virtual Image *	getImage (unsigned int face)=0
virtual const Image *	getImage (unsigned int face) const =0
virtual unsigned int	getNumImages () const =0
void	setReadPBuffer (GraphicsContext *context)
GraphicsContext *	getReadPBuffer ()
const GraphicsContext *	getReadPBuffer () const
virtual void	apply (State &state) const =0
virtual void	compileGLObjects (State &state) const
virtual void	releaseGLObjects (State *state=0) const
void	applyTexImage2D_load (State &state, GLenum target, const Image *image, GLsizei width, GLsizei height, GLsizei numMipmapLevels) const
void	applyTexImage2D_subload (State &state, GLenum target, const Image *image, GLsizei width, GLsizei height, GLint inInternalFormat, GLsizei numMipmapLevels) const
void	takeTextureObjects (TextureObjectListMap &toblm)
Static Public Member Functions
static Extensions *	getExtensions (unsigned int contextID, bool createIfNotInitalized)
static void	setExtensions (unsigned int contextID, Extensions *extensions)
static bool	isCompressedInternalFormat (GLint internalFormat)
static void	getCompressedSize (GLenum internalFormat, GLint width, GLint height, GLint depth, GLint &blockSize, GLint &size)
static TextureObject *	generateTextureObject (unsigned int contextID, GLenum target)
static TextureObject *	generateTextureObject (unsigned int contextID, GLenum target, GLint numMipmapLevels, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border)
static void	setMinimumNumberOfTextureObjectsToRetainInCache (unsigned int minimum)
static unsigned int	getMinimumNumberOfTextureObjectsToRetainInCache ()
static void	flushAllDeletedTextureObjects (unsigned int contextID)
static void	flushDeletedTextureObjects (unsigned int contextID, double currentTime, double &availableTime)
Static Public Attributes
static unsigned int	s_numberTextureReusedLastInLastFrame
static unsigned int	s_numberNewTextureInLastFrame
static unsigned int	s_numberDeletedTextureInLastFrame
Protected Types
typedef buffered_value< unsigned int >	TexParameterDirtyList
typedef buffered_object< ref_ptr< TextureObject > >	TextureObjectBuffer
Protected Member Functions
virtual	~Texture ()
virtual void	computeInternalFormat () const =0
void	computeInternalFormatWithImage (const osg::Image &image) const
void	computeRequiredTextureDimensions (State &state, const osg::Image &image, GLsizei &width, GLsizei &height, GLsizei &numMipmapLevels) const
void	applyTexParameters (GLenum target, State &state) const
int	compareTexture (const Texture &rhs) const
int	compareTextureObjects (const Texture &rhs) const
Protected Attributes
TexParameterDirtyList	_texParametersDirtyList
WrapMode	_wrap_s
WrapMode	_wrap_t
WrapMode	_wrap_r
FilterMode	_min_filter
FilterMode	_mag_filter
float	_maxAnisotropy
bool	_useHardwareMipMapGeneration
bool	_unrefImageDataAfterApply
bool	_clientStorageHint
bool	_resizeNonPowerOfTwoHint
Vec4	_borderColor
GLint	_borderWidth
InternalFormatMode	_internalFormatMode
GLint	_internalFormat
GLenum	_sourceFormat
GLenum	_sourceType
bool	_use_shadow_comparison
ShadowCompareFunc	_shadow_compare_func
ShadowTextureMode	_shadow_texture_mode
float	_shadow_ambient
TextureObjectBuffer	_textureObjectBuffer
ref_ptr< GraphicsContext >	_readPBuffer
Classes
class	Extensions
class	TextureObject

Detailed Description

Texture pure virtual base class that encapsulates OpenGl texture functionality common to the various types of OSG textures.

Member Typedef Documentation

typedef buffered_value<unsigned int> osg::Texture::TexParameterDirtyList [protected]

typedef buffered_object< ref_ptr<TextureObject> > osg::Texture::TextureObjectBuffer [protected]

typedef std::list< ref_ptr<TextureObject> > osg::Texture::TextureObjectList

typedef osg::buffered_object<TextureObjectList> osg::Texture::TextureObjectListMap

Member Enumeration Documentation

enum osg::Texture::FilterMode

Enumerator:

LINEAR
LINEAR_MIPMAP_LINEAR
LINEAR_MIPMAP_NEAREST
NEAREST
NEAREST_MIPMAP_LINEAR
NEAREST_MIPMAP_NEAREST

enum osg::Texture::FilterParameter

Enumerator:

MIN_FILTER
MAG_FILTER

enum osg::Texture::InternalFormatMode

Enumerator:

USE_IMAGE_DATA_FORMAT
USE_USER_DEFINED_FORMAT
USE_ARB_COMPRESSION
USE_S3TC_DXT1_COMPRESSION
USE_S3TC_DXT3_COMPRESSION
USE_S3TC_DXT5_COMPRESSION

enum osg::Texture::ShadowCompareFunc

Enumerator:

LEQUAL
GEQUAL

enum osg::Texture::ShadowTextureMode

Enumerator:

LUMINANCE
INTENSITY
ALPHA

enum osg::Texture::WrapMode

Enumerator:

CLAMP
CLAMP_TO_EDGE
CLAMP_TO_BORDER
REPEAT
MIRROR

enum osg::Texture::WrapParameter

Enumerator:

WRAP_S
WRAP_T
WRAP_R

Constructor & Destructor Documentation

osg::Texture::Texture ( )

osg::Texture::Texture	(	const Texture &	text,
		const CopyOp &	copyop = `CopyOp::SHALLOW_COPY`
	)

Copy constructor using CopyOp to manage deep vs shallow copy.

virtual osg::Texture::~Texture ( ) [protected, virtual]

Member Function Documentation

virtual void osg::Texture::apply ( State & state ) const [pure virtual]

Texture is a pure virtual base class, apply must be overriden.

Implements osg::StateAttribute.

Implemented in osg::Texture1D, osg::Texture2D, osg::Texture3D, osg::TextureCubeMap, osg::TextureRectangle, and osgText::Font::GlyphTexture.

void osg::Texture::applyTexImage2D_load	(	State &	state,
		GLenum	target,
		const Image *	image,
		GLsizei	width,
		GLsizei	height,
		GLsizei	numMipmapLevels
	)			const

Helper method. Creates the texture, but doesn't set or use a texture binding. Note: Don't call this method directly unless you're implementing a subload callback.

void osg::Texture::applyTexImage2D_subload	(	State &	state,
		GLenum	target,
		const Image *	image,
		GLsizei	width,
		GLsizei	height,
		GLint	inInternalFormat,
		GLsizei	numMipmapLevels
	)			const

Helper method. Subloads images into the texture, but doesn't set or use a texture binding. Note: Don't call this method directly unless you're implementing a subload callback.

void osg::Texture::applyTexParameters	(	GLenum	target,
		State &	state
	)			const `[protected]`

Helper method. Sets texture paramters.

Reimplemented in osg::TextureRectangle.

bool osg::Texture::areAllTextureObjectsLoaded ( ) const

Returns true if the texture objects for all the required graphics contexts are loaded.

virtual const char* osg::Texture::className ( ) const [inline, virtual]

Return the name of the attribute's class type.

Reimplemented from osg::StateAttribute.

Reimplemented in osgText::Font::GlyphTexture.

virtual osg::Object* osg::Texture::clone ( const CopyOp & copyop ) const [pure virtual]

Clone an attribute, with Object* return type. Must be defined by derived classes.

Implements osg::StateAttribute.

virtual osg::Object* osg::Texture::cloneType ( ) const [pure virtual]

Clone the type of an attribute, with Object* return type. Must be defined by derived classes.

Implements osg::StateAttribute.

int osg::Texture::compareTexture ( const Texture & rhs ) const [protected]

Returns -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.

int osg::Texture::compareTextureObjects ( const Texture & rhs ) const [protected]

Returns -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.

virtual void osg::Texture::compileGLObjects ( State & state ) const [virtual]

Calls apply(state) to compile the texture.

Reimplemented from osg::StateAttribute.

virtual void osg::Texture::computeInternalFormat ( ) const [protected, pure virtual]

Implemented in osg::Texture1D, osg::Texture2D, osg::Texture3D, osg::TextureCubeMap, and osg::TextureRectangle.

void osg::Texture::computeInternalFormatWithImage ( const osg::Image & image ) const [protected]

void osg::Texture::computeRequiredTextureDimensions	(	State &	state,
		const osg::Image &	image,
		GLsizei &	width,
		GLsizei &	height,
		GLsizei &	numMipmapLevels
	)			const `[protected]`

void osg::Texture::dirtyTextureObject ( )

Forces a recompile on next apply() of associated OpenGL texture objects.

void osg::Texture::dirtyTextureParameters ( )

Force a reset on next apply() of associated OpenGL texture parameters.

static void osg::Texture::flushAllDeletedTextureObjects ( unsigned int contextID ) [static]

static void osg::Texture::flushDeletedTextureObjects	(	unsigned int	contextID,
		double	currentTime,
		double &	availableTime
	)			`[static]`

static TextureObject* osg::Texture::generateTextureObject	(	unsigned int	contextID,
		GLenum	target,
		GLint	numMipmapLevels,
		GLenum	internalFormat,
		GLsizei	width,
		GLsizei	height,
		GLsizei	depth,
		GLint	border
	)			`[static]`

static TextureObject* osg::Texture::generateTextureObject	(	unsigned int	contextID,
		GLenum	target
	)			`[static]`

const Vec4& osg::Texture::getBorderColor ( ) const [inline]

Gets the border color.

GLint osg::Texture::getBorderWidth ( ) const [inline]

bool osg::Texture::getClientStorageHint ( ) const [inline]

Gets whether to use client storage for the texture.

static void osg::Texture::getCompressedSize	(	GLenum	internalFormat,
		GLint	width,
		GLint	height,
		GLint	depth,
		GLint &	blockSize,
		GLint &	size
	)			`[static]`

Determine the size of a compressed image, given the internalFormat, the width, the height, and the depth of the image. The block size and the size are output parameters.

static Extensions* osg::Texture::getExtensions	(	unsigned int	contextID,
		bool	createIfNotInitalized
	)			`[static]`

Gets the extension for the specified context. Creates the Extensions object for that context if it doesn't exist. Returns NULL if the Extensions object for the context doesn't exist and the createIfNotInitalized flag is false.

Reimplemented in osg::Texture3D, and osg::TextureCubeMap.

FilterMode osg::Texture::getFilter ( FilterParameter which ) const

Gets the texture filter mode.

virtual const Image* osg::Texture::getImage ( unsigned int face ) const [pure virtual]

Gets the const texture image for specified face.

Implemented in osg::Texture1D, osg::Texture2D, osg::Texture3D, osg::TextureCubeMap, and osg::TextureRectangle.

virtual Image* osg::Texture::getImage ( unsigned int face ) [pure virtual]

Gets the texture image for the specified face.

Implemented in osg::Texture1D, osg::Texture2D, osg::Texture3D, osg::TextureCubeMap, and osg::TextureRectangle.

GLint osg::Texture::getInternalFormat ( ) const [inline]

Gets the internal texture format.

InternalFormatMode osg::Texture::getInternalFormatMode ( ) const [inline]

Gets the internal texture format mode.

float osg::Texture::getMaxAnisotropy ( ) const [inline]

Gets the maximum anisotropy value.

static unsigned int osg::Texture::getMinimumNumberOfTextureObjectsToRetainInCache ( ) [static]

Get the minimum number of display lists to retain in the deleted display list cache.

virtual bool osg::Texture::getModeUsage ( ModeUsage & usage ) const [inline, virtual]

virtual unsigned int osg::Texture::getNumImages ( ) const [pure virtual]

Gets the number of images that can be assigned to this Texture.

Implemented in osg::Texture1D, osg::Texture2D, osg::Texture3D, osg::TextureCubeMap, and osg::TextureRectangle.

const GraphicsContext* osg::Texture::getReadPBuffer ( ) const [inline]

Get the const PBuffer graphis context to read from when using PBuffers for RenderToTexture.

GraphicsContext* osg::Texture::getReadPBuffer ( ) [inline]

Get the PBuffer graphis context to read from when using PBuffers for RenderToTexture.

bool osg::Texture::getResizeNonPowerOfTwoHint ( ) const [inline]

Gets whether texture will force non power to two images to be resized.

float osg::Texture::getShadowAmbient ( ) const [inline]

ShadowCompareFunc osg::Texture::getShadowCompareFunc ( ) const [inline]

ShadowTextureMode osg::Texture::getShadowTextureMode ( ) const [inline]

GLenum osg::Texture::getSourceFormat ( ) const [inline]

Gets the external source image format.

GLenum osg::Texture::getSourceType ( ) const [inline]

Gets the external source data type.

virtual int osg::Texture::getTextureDepth ( ) const [inline, virtual]

Reimplemented in osg::Texture1D, osg::Texture2D, osg::Texture3D, osg::TextureCubeMap, and osg::TextureRectangle.

virtual int osg::Texture::getTextureHeight ( ) const [inline, virtual]

Reimplemented in osg::Texture1D, osg::Texture2D, osg::Texture3D, osg::TextureCubeMap, and osg::TextureRectangle.

TextureObject* osg::Texture::getTextureObject ( unsigned int contextID ) const [inline]

Returns a pointer to the texture object for the current context.

unsigned int& osg::Texture::getTextureParameterDirty ( unsigned int contextID ) const [inline]

Gets the dirty flag for the current contextID.

virtual GLenum osg::Texture::getTextureTarget ( ) const [pure virtual]

Implemented in osg::Texture1D, osg::Texture2D, osg::Texture3D, osg::TextureCubeMap, and osg::TextureRectangle.

virtual int osg::Texture::getTextureWidth ( ) const [inline, virtual]

Reimplemented in osg::Texture1D, osg::Texture2D, osg::Texture3D, osg::TextureCubeMap, and osg::TextureRectangle.

virtual Type osg::Texture::getType ( ) const [inline, virtual]

Return the Type identifier of the attribute's class type.

Implements osg::StateAttribute.

bool osg::Texture::getUnRefImageDataAfterApply ( ) const [inline]

Gets whether or not apply() unreferences image data.

bool osg::Texture::getUseHardwareMipMapGeneration ( ) const [inline]

Gets the hardware mipmap generation hint.

WrapMode osg::Texture::getWrap ( WrapParameter which ) const

Gets the texture wrap mode.

static bool osg::Texture::isCompressedInternalFormat ( GLint internalFormat ) [static]

Determine whether the given internalFormat is a compressed image format.

bool osg::Texture::isCompressedInternalFormat ( ) const

Return true if the internal format is one of the compressed formats.

virtual bool osg::Texture::isSameKindAs ( const osg::Object * obj ) const [inline, virtual]

Return true if this and obj are of the same kind of object.

Reimplemented from osg::StateAttribute.

virtual bool osg::Texture::isTextureAttribute ( ) const [inline, virtual]

Return true if StateAttribute is a type which controls texturing and needs to be issued w.r.t to specific texture unit.

Reimplemented from osg::StateAttribute.

virtual const char* osg::Texture::libraryName ( ) const [inline, virtual]

Return the name of the attribute's library.

Reimplemented from osg::StateAttribute.

virtual void osg::Texture::releaseGLObjects ( State * state = 0 ) const [virtual]

If State is non-zero, this function releases OpenGL objects for the specified graphics context. Otherwise, releases OpenGL objexts for all graphics contexts.

Reimplemented from osg::StateAttribute.

void osg::Texture::setBorderColor ( const Vec4 & color ) [inline]

Sets the border color. Only used when wrap mode is CLAMP_TO_BORDER.

void osg::Texture::setBorderWidth ( GLint width ) [inline]

Sets the border width.

void osg::Texture::setClientStorageHint ( bool flag ) [inline]

Sets whether to use client storage for the texture, if supported by the graphics system. Note: If enabled, and the graphics system supports it, the osg::Image(s) associated with this texture cannot be deleted, so the UnRefImageDataAfterApply flag would be ignored.

static void osg::Texture::setExtensions	(	unsigned int	contextID,
		Extensions *	extensions
	)			`[static]`

Overrides Extensions objects across graphics contexts. Typically used to ensure the same lowest common denominator of extensions on sustems with different graphics pipes.

void osg::Texture::setFilter	(	FilterParameter	which,
		FilterMode	filter
	)

Sets the texture filter mode.

virtual void osg::Texture::setImage	(	unsigned int	face,
		Image *	image
	)			`[pure virtual]`

Sets the texture image for the specified face.

Implemented in osg::Texture1D, osg::Texture2D, osg::Texture3D, osg::TextureCubeMap, and osg::TextureRectangle.

void osg::Texture::setInternalFormat ( GLint internalFormat ) [inline]

Sets the internal texture format. Implicitly sets the internalFormatMode to USE_USER_DEFINED_FORMAT.

void osg::Texture::setInternalFormatMode ( InternalFormatMode mode ) [inline]

Sets the internal texture format mode. Note: If the texture format is USE_IMAGE_DATA_FORMAT, USE_ARB_COMPRESSION, or USE_S3TC_COMPRESSION, the internal format mode is set automatically and will overwrite the previous _internalFormat.

void osg::Texture::setMaxAnisotropy ( float anis )

Sets the maximum anisotropy value, default value is 1.0 for no anisotropic filtering. If hardware does not support anisotropic filtering, use normal filtering (equivilant to a max anisotropy value of 1.0. Valid range is 1.0f upwards. The maximum value depends on the graphics system.

static void osg::Texture::setMinimumNumberOfTextureObjectsToRetainInCache ( unsigned int minimum ) [static]

Set the minimum number of texture objects to retain in the deleted display list cache.

void osg::Texture::setReadPBuffer ( GraphicsContext * context ) [inline]

Set the PBuffer graphis context to read from when using PBuffers for RenderToTexture.

void osg::Texture::setResizeNonPowerOfTwoHint ( bool flag ) [inline]

Sets whether to force the texture to resize images that have dimensions that are not a power of two. If enabled, NPOT images will be resized, whether or not NPOT textures are supported by the hardware. If disabled, NPOT images will not be resized if supported by hardware.

void osg::Texture::setShadowAmbient ( float shadow_ambient ) [inline]

Sets the TEXTURE_COMPARE_FAIL_VALUE_ARB texture parameter. See http://oss.sgi.com/projects/ogl-sample/registry/ARB/shadow_ambient.txt.

void osg::Texture::setShadowCompareFunc ( ShadowCompareFunc func ) [inline]

Sets shadow texture comparison function.

void osg::Texture::setShadowComparison ( bool flag ) [inline]

Sets GL_TEXTURE_COMPARE_MODE_ARB to GL_COMPARE_R_TO_TEXTURE_ARB See http://oss.sgi.com/projects/ogl-sample/registry/ARB/shadow.txt.

void osg::Texture::setShadowTextureMode ( ShadowTextureMode mode ) [inline]

Sets shadow texture mode after comparison.

void osg::Texture::setSourceFormat ( GLenum sourceFormat ) [inline]

Sets the external source image format, used as a fallback when no osg::Image is attached to provide the source image format.

void osg::Texture::setSourceType ( GLenum sourceType ) [inline]

Sets the external source data type, used as a fallback when no osg::Image is attached to provide the source image format.

void osg::Texture::setUnRefImageDataAfterApply ( bool flag ) [inline]

Sets whether or not the apply() function will unreference the image data. If enabled, and the image data is only referened by this Texture, apply() will delete the image data.

void osg::Texture::setUseHardwareMipMapGeneration ( bool useHardwareMipMapGeneration ) [inline]

Sets the hardware mipmap generation hint. If enabled, it will only be used if supported in the graphics system.