Public Member Functions | |
| Texture2D () | |
| Texture2D (Image *image) | |
| Texture2D (const Texture2D &text, const CopyOp ©op=CopyOp::SHALLOW_COPY) | |
| Copy constructor using CopyOp to manage deep vs shallow copy. | |
| META_StateAttribute (osg, Texture2D, 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 | setTextureSize (int width, int height) const |
| Sets the texture width and height. | |
| void | setTextureWidth (int width) |
| void | setTextureHeight (int height) |
| virtual int | getTextureWidth () const |
| 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 | copyTexImage2D (State &state, int x, int y, int width, int height) |
| Copies pixels into a 2D texture image, as per glCopyTexImage2D. | |
| void | copyTexSubImage2D (State &state, int xoffset, int yoffset, int x, int y, int width, int height) |
| Copies a two-dimensional texture subimage, as per glCopyTexSubImage2D. | |
| virtual void | apply (State &state) const |
| Bind the texture object. | |
Protected Types | |
| typedef buffered_value < unsigned int > | ImageModifiedCount |
Protected Member Functions | |
| virtual | ~Texture2D () |
| virtual void | computeInternalFormat () const |
| void | allocateMipmap (State &state) const |
| Allocate mipmap levels of the texture by subsequent calling of glTexImage* function. | |
Protected Attributes | |
| ref_ptr< Image > | _image |
| 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. | |
| GLsizei | _textureWidth |
| Subloaded images can have different texture and image sizes. | |
| GLsizei | _textureHeight |
| GLsizei | _numMipmapLevels |
| Number of mipmap levels created. | |
| ref_ptr < SubloadCallback > | _subloadCallback |
| ImageModifiedCount | _modifiedCount |
Classes | |
| class | SubloadCallback |
Doesn't support cube maps, so ignore face parameters.
typedef buffered_value<unsigned int> osg::Texture2D::ImageModifiedCount [protected] |
| osg::Texture2D::Texture2D | ( | ) |
| osg::Texture2D::Texture2D | ( | Image * | image | ) |
Copy constructor using CopyOp to manage deep vs shallow copy.
| virtual osg::Texture2D::~Texture2D | ( | ) | [protected, virtual] |
| osg::Texture2D::META_StateAttribute | ( | osg | , | |
| Texture2D | , | |||
| TEXTURE | ||||
| ) |
| virtual int osg::Texture2D::compare | ( | const StateAttribute & | rhs | ) | const [virtual] |
Return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.
Implements osg::StateAttribute.
Reimplemented in osgText::Font::GlyphTexture.
| virtual GLenum osg::Texture2D::getTextureTarget | ( | ) | const [inline, virtual] |
Implements osg::Texture.
| void osg::Texture2D::setImage | ( | Image * | image | ) |
Sets the texture image.
| Image* osg::Texture2D::getImage | ( | ) | [inline] |
Gets the texture image.
| const Image* osg::Texture2D::getImage | ( | ) | const [inline] |
Gets the const texture image.
| unsigned int& osg::Texture2D::getModifiedCount | ( | unsigned int | contextID | ) | const [inline] |
| virtual void osg::Texture2D::setImage | ( | unsigned int | , | |
| Image * | image | |||
| ) | [inline, virtual] |
| virtual Image* osg::Texture2D::getImage | ( | unsigned int | ) | [inline, virtual] |
| virtual const Image* osg::Texture2D::getImage | ( | unsigned int | ) | const [inline, virtual] |
| virtual unsigned int osg::Texture2D::getNumImages | ( | ) | const [inline, virtual] |
| void osg::Texture2D::setTextureSize | ( | int | width, | |
| int | height | |||
| ) | const [inline] |
Sets the texture width and height.
If width or height are zero, calculate the respective value from the source image size.
| void osg::Texture2D::setTextureWidth | ( | int | width | ) | [inline] |
| void osg::Texture2D::setTextureHeight | ( | int | height | ) | [inline] |
| virtual int osg::Texture2D::getTextureWidth | ( | ) | const [inline, virtual] |
Reimplemented from osg::Texture.
| virtual int osg::Texture2D::getTextureHeight | ( | ) | const [inline, virtual] |
Reimplemented from osg::Texture.
| virtual int osg::Texture2D::getTextureDepth | ( | ) | const [inline, virtual] |
Reimplemented from osg::Texture.
| void osg::Texture2D::setSubloadCallback | ( | SubloadCallback * | cb | ) | [inline] |
| SubloadCallback* osg::Texture2D::getSubloadCallback | ( | ) | [inline] |
| const SubloadCallback* osg::Texture2D::getSubloadCallback | ( | ) | const [inline] |
| void osg::Texture2D::setNumMipmapLevels | ( | unsigned int | num | ) | const [inline] |
Helper function.
Sets the number of mipmap levels created for this texture. Should only be called within an osg::Texuture::apply(), or during a custom OpenGL texture load.
| unsigned int osg::Texture2D::getNumMipmapLevels | ( | ) | const [inline] |
Gets the number of mipmap levels created.
| void osg::Texture2D::copyTexImage2D | ( | State & | state, | |
| int | x, | |||
| int | y, | |||
| int | width, | |||
| int | height | |||
| ) |
Copies pixels into a 2D texture image, as per glCopyTexImage2D.
Creates an OpenGL texture object from the current OpenGL background framebuffer contents at position x, y with width width and height height. width and height must be a power of two.
| void osg::Texture2D::copyTexSubImage2D | ( | State & | state, | |
| int | xoffset, | |||
| int | yoffset, | |||
| int | x, | |||
| int | y, | |||
| int | width, | |||
| int | height | |||
| ) |
Copies a two-dimensional texture subimage, as per glCopyTexSubImage2D.
Updates a portion of an existing OpenGL texture object from the current OpenGL background framebuffer contents at position x, y with width width and height height. Loads framebuffer data into the texture using offsets xoffset and yoffset. width and height must be powers of two.
| virtual void osg::Texture2D::apply | ( | State & | state | ) | const [virtual] |
Bind the texture object.
If the texture object hasn't already been compiled, create the texture mipmap levels.
Implements osg::Texture.
Reimplemented in osgText::Font::GlyphTexture.
| virtual void osg::Texture2D::computeInternalFormat | ( | ) | const [protected, virtual] |
Implements osg::Texture.
| void osg::Texture2D::allocateMipmap | ( | State & | state | ) | const [protected, virtual] |
Allocate mipmap levels of the texture by subsequent calling of glTexImage* function.
Implements osg::Texture.
ref_ptr<Image> osg::Texture2D::_image [protected] |
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.
GLsizei osg::Texture2D::_textureWidth [mutable, protected] |
Subloaded images can have different texture and image sizes.
GLsizei osg::Texture2D::_textureHeight [mutable, protected] |
GLsizei osg::Texture2D::_numMipmapLevels [mutable, protected] |
Number of mipmap levels created.
ref_ptr<SubloadCallback> osg::Texture2D::_subloadCallback [protected] |
ImageModifiedCount osg::Texture2D::_modifiedCount [mutable, protected] |