OpenSceneGraph
3.0.1
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Encapsulates OpenGL 1D texture functionality. More...
Classes | |
class | SubloadCallback |
Public Member Functions | |
Texture1D () | |
Texture1D (Image *image) | |
Texture1D (const Texture1D &text, const CopyOp ©op=CopyOp::SHALLOW_COPY) | |
Copy constructor using CopyOp to manage deep vs shallow copy. | |
META_StateAttribute (osg, Texture1D, TEXTURE) | |
virtual int | compare (const StateAttribute &rhs) const |
Return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs. | |
virtual GLenum | getTextureTarget () const |
void | setImage (Image *image) |
Sets the texture image. | |
Image * | getImage () |
Gets the texture image. | |
const Image * | getImage () const |
Gets the const texture image. | |
unsigned int & | getModifiedCount (unsigned int contextID) const |
virtual void | setImage (unsigned int, Image *image) |
Sets the texture image, ignoring face. | |
virtual Image * | getImage (unsigned int) |
Gets the texture image, ignoring face. | |
virtual const Image * | getImage (unsigned int) const |
Gets the const texture image, ignoring face. | |
virtual unsigned int | getNumImages () const |
Gets the number of images that can be assigned to the Texture. | |
void | setTextureWidth (int width) |
Sets the texture width. | |
virtual int | getTextureWidth () const |
Gets the texture width. | |
virtual int | getTextureHeight () const |
virtual int | getTextureDepth () const |
void | setSubloadCallback (SubloadCallback *cb) |
SubloadCallback * | getSubloadCallback () |
const SubloadCallback * | getSubloadCallback () const |
void | setNumMipmapLevels (unsigned int num) const |
Helper function. | |
unsigned int | getNumMipmapLevels () const |
Gets the number of mipmap levels created. | |
void | copyTexImage1D (State &state, int x, int y, int width) |
Copies pixels into a 1D texture image, as per glCopyTexImage1D. | |
void | copyTexSubImage1D (State &state, int xoffset, int x, int y, int width) |
Copies a one-dimensional texture subimage, as per glCopyTexSubImage1D. | |
virtual void | apply (State &state) const |
Bind the texture object. | |
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Texture () | |
Texture (const Texture &text, const CopyOp ©op=CopyOp::SHALLOW_COPY) | |
Copy constructor using CopyOp to manage deep vs shallow copy. | |
virtual osg::Object * | cloneType () const =0 |
Clone the type of an attribute, with Object* return type. | |
virtual osg::Object * | clone (const CopyOp ©op) const =0 |
Clone an attribute, with Object* return type. | |
virtual bool | isSameKindAs (const osg::Object *obj) const |
Return true if this and obj are of the same kind of object. | |
virtual const char * | libraryName () const |
Return the name of the attribute's library. | |
virtual const char * | className () const |
Return the name of the attribute's class type. | |
virtual Texture * | asTexture () |
Fast alternative to dynamic_cast<> for determining if state attribute is a Texture. | |
virtual const Texture * | asTexture () const |
Fast alternative to dynamic_cast<> for determining if state attribute is a Texture. | |
virtual Type | getType () const |
Return the Type identifier of the attribute's class type. | |
virtual bool | isTextureAttribute () const |
Return true if StateAttribute is a type which controls texturing and needs to be issued w.r.t to specific texture unit. | |
virtual bool | getModeUsage (StateAttribute::ModeUsage &usage) const |
Return the modes associated with this StateAttribute. | |
void | setWrap (WrapParameter which, WrapMode wrap) |
Sets the texture wrap mode. | |
WrapMode | getWrap (WrapParameter which) const |
Gets the texture wrap mode. | |
void | setBorderColor (const Vec4d &color) |
Sets the border color. | |
const Vec4d & | getBorderColor () const |
Gets the border color. | |
void | setBorderWidth (GLint width) |
Sets the border width. | |
GLint | getBorderWidth () const |
void | setFilter (FilterParameter which, FilterMode filter) |
Sets the texture filter mode. | |
FilterMode | getFilter (FilterParameter which) const |
Gets the texture filter mode. | |
void | setMaxAnisotropy (float anis) |
Sets the maximum anisotropy value, default value is 1.0 for no anisotropic filtering. | |
float | getMaxAnisotropy () const |
Gets the maximum anisotropy value. | |
void | setUseHardwareMipMapGeneration (bool useHardwareMipMapGeneration) |
Sets the hardware mipmap generation hint. | |
bool | getUseHardwareMipMapGeneration () const |
Gets the hardware mipmap generation hint. | |
void | setUnRefImageDataAfterApply (bool flag) |
Sets whether or not the apply() function will unreference the image data. | |
bool | getUnRefImageDataAfterApply () const |
Gets whether or not apply() unreferences image data. | |
void | setClientStorageHint (bool flag) |
Sets whether to use client storage for the texture, if supported by the graphics system. | |
bool | getClientStorageHint () const |
Gets whether to use client storage for the texture. | |
void | setResizeNonPowerOfTwoHint (bool flag) |
Sets whether to force the texture to resize images that have dimensions that are not a power of two. | |
bool | getResizeNonPowerOfTwoHint () const |
Gets whether texture will force non power to two images to be resized. | |
void | setInternalFormatMode (InternalFormatMode mode) |
Sets the internal texture format mode. | |
InternalFormatMode | getInternalFormatMode () const |
Gets the internal texture format mode. | |
void | setInternalFormat (GLint internalFormat) |
Sets the internal texture format. | |
GLint | getInternalFormat () const |
Gets the internal texture format. | |
bool | isCompressedInternalFormat () const |
Return true if the internal format is one of the compressed formats. | |
void | setSourceFormat (GLenum sourceFormat) |
Sets the external source image format, used as a fallback when no osg::Image is attached to provide the source image format. | |
GLenum | getSourceFormat () const |
Gets the external source image format. | |
void | setSourceType (GLenum sourceType) |
Sets the external source data type, used as a fallback when no osg::Image is attached to provide the source image format. | |
GLenum | getSourceType () const |
Gets the external source data type. | |
InternalFormatType | getInternalFormatType () const |
Get the internal texture format type. | |
TextureObject * | getTextureObject (unsigned int contextID) const |
Returns a pointer to the TextureObject for the current context. | |
void | setTextureObject (unsigned int contextID, TextureObject *to) |
void | dirtyTextureObject () |
Forces a recompile on next apply() of associated OpenGL texture objects. | |
bool | areAllTextureObjectsLoaded () const |
Returns true if the texture objects for all the required graphics contexts are loaded. | |
unsigned int & | getTextureParameterDirty (unsigned int contextID) const |
Gets the dirty flag for the current contextID. | |
void | dirtyTextureParameters () |
Force a reset on next apply() of associated OpenGL texture parameters. | |
void | allocateMipmapLevels () |
Force a manual allocation of the mipmap levels on the next apply() call. | |
void | setShadowComparison (bool flag) |
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. | |
bool | getShadowComparison () const |
void | setShadowCompareFunc (ShadowCompareFunc func) |
Sets shadow texture comparison function. | |
ShadowCompareFunc | getShadowCompareFunc () const |
void | setShadowTextureMode (ShadowTextureMode mode) |
Sets shadow texture mode after comparison. | |
ShadowTextureMode | getShadowTextureMode () const |
void | setShadowAmbient (float shadow_ambient) |
Sets the TEXTURE_COMPARE_FAIL_VALUE_ARB texture parameter. | |
float | getShadowAmbient () const |
void | setReadPBuffer (GraphicsContext *context) |
Set the PBuffer graphics context to read from when using PBuffers for RenderToTexture. | |
GraphicsContext * | getReadPBuffer () |
Get the PBuffer graphics context to read from when using PBuffers for RenderToTexture. | |
const GraphicsContext * | getReadPBuffer () const |
Get the const PBuffer graphics context to read from when using PBuffers for RenderToTexture. | |
virtual void | compileGLObjects (State &state) const |
Calls apply(state) to compile the texture. | |
virtual void | resizeGLObjectBuffers (unsigned int maxSize) |
Resize any per context GLObject buffers to specified size. | |
virtual void | releaseGLObjects (State *state=0) const |
If State is non-zero, this function releases OpenGL objects for the specified graphics context. | |
void | applyTexImage2D_load (State &state, GLenum target, const Image *image, GLsizei width, GLsizei height, GLsizei numMipmapLevels) const |
Helper method. | |
void | applyTexImage2D_subload (State &state, GLenum target, const Image *image, GLsizei width, GLsizei height, GLint inInternalFormat, GLsizei numMipmapLevels) const |
Helper method. | |
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StateAttribute () | |
StateAttribute (const StateAttribute &sa, const CopyOp ©op=CopyOp::SHALLOW_COPY) | |
virtual unsigned int | getMember () const |
Return the member identifier within the attribute's class type. | |
TypeMemberPair | getTypeMemberPair () const |
Return the TypeMemberPair that uniquely identifies this type member. | |
bool | operator< (const StateAttribute &rhs) const |
bool | operator== (const StateAttribute &rhs) const |
bool | operator!= (const StateAttribute &rhs) const |
const ParentList & | getParents () const |
Get the parent list of this StateAttribute. | |
StateSet * | getParent (unsigned int i) |
const StateSet * | getParent (unsigned int i) const |
Get a single const parent of this StateAttribute. | |
unsigned int | getNumParents () const |
Get the number of parents of this StateAttribute. | |
void | setShaderComponent (ShaderComponent *sc) |
ShaderComponent * | getShaderComponent () |
const ShaderComponent * | getShaderComponent () const |
virtual bool | checkValidityOfAssociatedModes (osg::State &) const |
Check the modes associated with this StateAttribute are supported by current OpenGL drivers, and if not set the associated mode in osg::State to be black listed/invalid. | |
void | setUpdateCallback (StateAttributeCallback *uc) |
Set the UpdateCallback which allows users to attach customize the updating of an object during the update traversal. | |
StateAttributeCallback * | getUpdateCallback () |
Get the non const UpdateCallback. | |
const StateAttributeCallback * | getUpdateCallback () const |
Get the const UpdateCallback. | |
void | setEventCallback (StateAttributeCallback *ec) |
Set the EventCallback which allows users to attach customize the updating of an object during the Event traversal. | |
StateAttributeCallback * | getEventCallback () |
Get the non const EventCallback. | |
const StateAttributeCallback * | getEventCallback () const |
Get the const EventCallback. | |
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Object () | |
Construct an object. | |
Object (bool threadSafeRefUnref) | |
Object (const Object &, const CopyOp ©op=CopyOp::SHALLOW_COPY) | |
Copy constructor, optional CopyOp object can be used to control shallow vs deep copying of dynamic data. | |
virtual void | setThreadSafeRefUnref (bool threadSafe) |
Set whether to use a mutex to ensure ref() and unref() are thread safe. | |
virtual void | setName (const std::string &name) |
Set the name of object using C++ style string. | |
void | setName (const char *name) |
Set the name of object using a C style string. | |
const std::string & | getName () const |
Get the name of object. | |
void | setDataVariance (DataVariance dv) |
Set the data variance of this object. | |
DataVariance | getDataVariance () const |
Get the data variance of this object. | |
virtual void | computeDataVariance () |
Compute the DataVariance based on an assessment of callback etc. | |
void | setUserDataContainer (osg::UserDataContainer *udc) |
set the UserDataContainer object. | |
osg::UserDataContainer * | getUserDataContainer () |
get the UserDataContainer attached to this object. | |
const osg::UserDataContainer * | getUserDataContainer () const |
get the const UserDataContainer attached to this object. | |
osg::UserDataContainer * | getOrCreateUserDataContainer () |
Convinience method that returns the UserDataContainer, and if one doesn't already exist creates and assigns a DefaultUserDataContainer to the Object and then return this new UserDataContainer. | |
virtual void | setUserData (Referenced *obj) |
Set user data, data must be subclassed from Referenced to allow automatic memory handling. | |
virtual Referenced * | getUserData () |
Get user data. | |
virtual const Referenced * | getUserData () const |
Get const user data. | |
template<typename T > | |
bool | getUserValue (const std::string &name, T &value) const |
Convinience method that casts the named UserObject to osg::TemplateValueObject<T> and gets the value. | |
template<typename T > | |
void | setUserValue (const std::string &name, const T &value) |
Convinience method that creates the osg::TemplateValueObject<T> to store the specified value and adds it as a named UserObject. | |
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Referenced () | |
Referenced (bool threadSafeRefUnref) | |
Referenced (const Referenced &) | |
Referenced & | operator= (const Referenced &) |
bool | getThreadSafeRefUnref () const |
Get whether a mutex is used to ensure ref() and unref() are thread safe. | |
OpenThreads::Mutex * | getRefMutex () const |
Get the mutex used to ensure thread safety of ref()/unref(). | |
int | ref () const |
Increment the reference count by one, indicating that this object has another pointer which is referencing it. | |
int | unref () const |
Decrement the reference count by one, indicating that a pointer to this object is referencing it. | |
int | unref_nodelete () const |
Decrement the reference count by one, indicating that a pointer to this object is referencing it. | |
int | referenceCount () const |
Return the number of pointers currently referencing this object. | |
ObserverSet * | getObserverSet () const |
Get the ObserverSet if one is attached, otherwise return NULL. | |
ObserverSet * | getOrCreateObserverSet () const |
Get the ObserverSet if one is attached, otherwise create an ObserverSet, attach it, then return this newly created ObserverSet. | |
void | addObserver (Observer *observer) const |
Add a Observer that is observing this object, notify the Observer when this object gets deleted. | |
void | removeObserver (Observer *observer) const |
Remove Observer that is observing this object. |
Protected Types | |
typedef buffered_value < unsigned int > | ImageModifiedCount |
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typedef buffered_value < unsigned int > | TexParameterDirtyList |
typedef buffered_object < ref_ptr< TextureObject > > | TextureObjectBuffer |
Protected Member Functions | |
virtual | ~Texture1D () |
virtual void | computeInternalFormat () const |
void | allocateMipmap (State &state) const |
Allocate mipmap levels of the texture by subsequent calling of glTexImage* function. | |
void | applyTexImage1D (GLenum target, Image *image, State &state, GLsizei &width, GLsizei &numMipmapLevels) const |
Helper method. | |
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virtual | ~Texture () |
void | computeInternalFormatWithImage (const osg::Image &image) const |
Computes the internal format from Image parameters. | |
void | computeRequiredTextureDimensions (State &state, const osg::Image &image, GLsizei &width, GLsizei &height, GLsizei &numMipmapLevels) const |
Computes the texture dimension for the given Image. | |
void | computeInternalFormatType () const |
Computes the internal format type. | |
void | applyTexParameters (GLenum target, State &state) const |
Helper method. | |
bool | isHardwareMipmapGenerationEnabled (const State &state) const |
Returns true if _useHardwareMipMapGeneration is true and either glGenerateMipmapEXT() or GL_GENERATE_MIPMAP_SGIS are supported. | |
bool | isSafeToUnrefImageData (const State &state) const |
Returns true if the associated Image should be released and it's safe to do so. | |
GenerateMipmapMode | mipmapBeforeTexImage (const State &state, bool hardwareMipmapOn) const |
Helper methods to be called before and after calling gl[Compressed][Copy]Tex[Sub]Image2D to handle generating mipmaps. | |
void | mipmapAfterTexImage (State &state, GenerateMipmapMode beforeResult) const |
void | generateMipmap (State &state) const |
Helper method to generate mipmap levels by calling of glGenerateMipmapEXT. | |
int | compareTexture (const Texture &rhs) const |
Returns -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs. | |
int | compareTextureObjects (const Texture &rhs) const |
Returns -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs. | |
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virtual | ~StateAttribute () |
void | addParent (osg::StateSet *object) |
void | removeParent (osg::StateSet *object) |
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virtual | ~Object () |
Object destructor. | |
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virtual | ~Referenced () |
void | signalObserversAndDelete (bool signalDelete, bool doDelete) const |
void | deleteUsingDeleteHandler () const |
Additional Inherited Members | |
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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, USE_PVRTC_2BPP_COMPRESSION, USE_PVRTC_4BPP_COMPRESSION, USE_ETC_COMPRESSION, USE_RGTC1_COMPRESSION, USE_RGTC2_COMPRESSION, USE_S3TC_DXT1c_COMPRESSION, USE_S3TC_DXT1a_COMPRESSION } |
enum | InternalFormatType { NORMALIZED = 0x0, FLOAT = 0x1, SIGNED_INTEGER = 0x2, UNSIGNED_INTEGER = 0x4 } |
Texture type determined by the internal texture format. More... | |
enum | ShadowCompareFunc { NEVER = GL_NEVER, LESS = GL_LESS, EQUAL = GL_EQUAL, LEQUAL = GL_LEQUAL, GREATER = GL_GREATER, NOTEQUAL = GL_NOTEQUAL, GEQUAL = GL_GEQUAL, ALWAYS = GL_ALWAYS } |
enum | ShadowTextureMode { LUMINANCE = GL_LUMINANCE, INTENSITY = GL_INTENSITY, ALPHA = GL_ALPHA } |
enum | GenerateMipmapMode { GENERATE_MIPMAP_NONE, GENERATE_MIPMAP, GENERATE_MIPMAP_TEX_PARAMETER } |
Returned by mipmapBeforeTexImage() to indicate what mipmapAfterTexImage() should do. More... | |
typedef std::list< ref_ptr < TextureObject > > | TextureObjectList |
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enum | Values { OFF = 0x0, ON = 0x1, OVERRIDE = 0x2, PROTECTED = 0x4, INHERIT = 0x8 } |
list values which can be used to set either GLModeValues or OverrideValues. More... | |
enum | Type { TEXTURE, POLYGONMODE, POLYGONOFFSET, MATERIAL, ALPHAFUNC, ANTIALIAS, COLORTABLE, CULLFACE, FOG, FRONTFACE, LIGHT, POINT, LINEWIDTH, LINESTIPPLE, POLYGONSTIPPLE, SHADEMODEL, TEXENV, TEXENVFILTER, TEXGEN, TEXMAT, LIGHTMODEL, BLENDFUNC, BLENDEQUATION, LOGICOP, STENCIL, COLORMASK, DEPTH, VIEWPORT, SCISSOR, BLENDCOLOR, MULTISAMPLE, CLIPPLANE, COLORMATRIX, VERTEXPROGRAM, FRAGMENTPROGRAM, POINTSPRITE, PROGRAM, CLAMPCOLOR, HINT, VALIDATOR, VIEWMATRIXEXTRACTOR, OSGNV_PARAMETER_BLOCK, OSGNVEXT_TEXTURE_SHADER, OSGNVEXT_VERTEX_PROGRAM, OSGNVEXT_REGISTER_COMBINERS, OSGNVCG_PROGRAM, OSGNVSLANG_PROGRAM, OSGNVPARSE_PROGRAM_PARSER, UNIFORMBUFFERBINDING, TRANSFORMFEEDBACKBUFFERBINDING } |
Type identifier to differentiate between different state types. More... | |
typedef GLenum | GLMode |
GLMode is the value used in glEnable/glDisable(mode) | |
typedef unsigned int | GLModeValue |
GLModeValue is used to specify whether a mode is enabled (ON) or disabled (OFF). | |
typedef unsigned int | OverrideValue |
Override is used to specify the override behavior of StateAttributes from parent to children. | |
typedef std::pair< Type, unsigned int > | TypeMemberPair |
Simple pairing between an attribute type and the member within that attribute type group. | |
typedef std::vector< StateSet * > | ParentList |
A vector of osg::StateSet pointers which is used to store the parent(s) of this StateAttribute. | |
typedef osg::StateAttributeCallback | Callback |
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enum | DataVariance { DYNAMIC, STATIC, UNSPECIFIED } |
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static Extensions * | getExtensions (unsigned int contextID, bool createIfNotInitalized) |
Gets the extension for the specified context. | |
static void | setExtensions (unsigned int contextID, Extensions *extensions) |
Overrides Extensions objects across graphics contexts. | |
static bool | isCompressedInternalFormat (GLint internalFormat) |
Determine whether the given internalFormat is a compressed image format. | |
static void | getCompressedSize (GLenum internalFormat, GLint width, GLint height, GLint depth, GLint &blockSize, GLint &size) |
Determine the size of a compressed image, given the internalFormat, the width, the height, and the depth of the image. | |
static osg::ref_ptr < Texture::TextureObjectManager > & | getTextureObjectManager (unsigned int contextID) |
static TextureObject * | generateTextureObject (const Texture *texture, unsigned int contextID, GLenum target) |
static TextureObject * | generateTextureObject (const Texture *texture, unsigned int contextID, GLenum target, GLint numMipmapLevels, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border) |
static void | deleteAllTextureObjects (unsigned int contextID) |
static void | discardAllTextureObjects (unsigned int contextID) |
static void | flushAllDeletedTextureObjects (unsigned int contextID) |
static void | discardAllDeletedTextureObjects (unsigned int contextID) |
static void | flushDeletedTextureObjects (unsigned int contextID, double currentTime, double &availableTime) |
static void | releaseTextureObject (unsigned int contextID, TextureObject *to) |
Encapsulates OpenGL 1D texture functionality.
Doesn't support cube maps, so ignore face parameters.
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osg::Texture1D::Texture1D | ( | ) |
osg::Texture1D::Texture1D | ( | Image * | image | ) |
osg::Texture1D::Texture1D | ( | const Texture1D & | text, |
const CopyOp & | copyop = CopyOp::SHALLOW_COPY |
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Copy constructor using CopyOp to manage deep vs shallow copy.
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Allocate mipmap levels of the texture by subsequent calling of glTexImage* function.
Implements osg::Texture.
Bind the texture object.
If the texture object hasn't already been compiled, create the texture mipmap levels.
Implements osg::Texture.
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Helper method.
Create the texture without setting or using a texture binding.
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Return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.
Implements osg::StateAttribute.
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Implements osg::Texture.
Copies pixels into a 1D texture image, as per glCopyTexImage1D.
Creates an OpenGL texture object from the current OpenGL background framebuffer contents at position x, y with width width. width must be a power of two.
Copies a one-dimensional texture subimage, as per glCopyTexSubImage1D.
Updates a portion of an existing OpenGL texture object from the current OpenGL background framebuffer contents at position x, y with width width.
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Gets the texture image.
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Gets the const texture image.
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Gets the texture image, ignoring face.
Implements osg::Texture.
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Gets the const texture image, ignoring face.
Implements osg::Texture.
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Gets the number of images that can be assigned to the Texture.
Implements osg::Texture.
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Gets the number of mipmap levels created.
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Reimplemented from osg::Texture.
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Reimplemented from osg::Texture.
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Implements osg::Texture.
References GL_TEXTURE_1D.
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Gets the texture width.
Reimplemented from osg::Texture.
Sets the texture image, ignoring face.
Implements osg::Texture.
References setImage().
Referenced by setImage().
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Helper function.
Sets the number of mipmap levels created for this texture. Should only be called within an osg::Texture::apply(), or during a custom OpenGL texture load.
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Sets the texture width.
If width is zero, calculate the value from the source image width.
It's not ideal that _image is mutable, but it's required since Image::ensureDimensionsArePowerOfTwo() can only be called in a valid OpenGL context, and therefore within Texture::apply, which is const.
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Number of mipmap levels created.
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Subloaded images can have different texture and image sizes.
![]() | Generated at Mon Oct 8 2012 23:50:16 for the OpenSceneGraph by doxygen 1.8.1.1. |