Public Types | |
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 | InternalFormatType { NORMALIZED = 0x0, FLOAT = 0x1, SIGNED_INTEGER = 0x2, UNSIGNED_INTEGER = 0x4 } |
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 } |
typedef std::list< ref_ptr < TextureObject > > | TextureObjectList |
Public Member Functions | |
Texture () | |
Texture (const Texture &text, const CopyOp ©op=CopyOp::SHALLOW_COPY) | |
virtual osg::Object * | cloneType () const =0 |
virtual osg::Object * | clone (const CopyOp ©op) const =0 |
virtual bool | isSameKindAs (const osg::Object *obj) const |
virtual const char * | libraryName () const |
virtual const char * | className () const |
virtual Texture * | asTexture () |
virtual const Texture * | asTexture () const |
virtual Type | getType () const |
virtual bool | isTextureAttribute () const |
virtual GLenum | getTextureTarget () const =0 |
virtual bool | getModeUsage (StateAttribute::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 Vec4d &color) |
const Vec4d & | 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 |
InternalFormatType | getInternalFormatType () const |
TextureObject * | getTextureObject (unsigned int contextID) const |
void | setTextureObject (unsigned int contextID, TextureObject *to) |
void | dirtyTextureObject () |
bool | areAllTextureObjectsLoaded () const |
unsigned int & | getTextureParameterDirty (unsigned int contextID) const |
void | dirtyTextureParameters () |
void | allocateMipmapLevels () |
void | setShadowComparison (bool flag) |
bool | getShadowComparison () const |
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 | resizeGLObjectBuffers (unsigned int maxSize) |
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 |
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 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 | setMinimumNumberOfTextureObjectsToRetainInCache (unsigned int minimum) |
static unsigned int | getMinimumNumberOfTextureObjectsToRetainInCache () |
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) |
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 | computeInternalFormatType () const |
void | applyTexParameters (GLenum target, State &state) const |
bool | isHardwareMipmapGenerationEnabled (const State &state) const |
GenerateMipmapMode | mipmapBeforeTexImage (const State &state, bool hardwareMipmapOn) const |
void | mipmapAfterTexImage (State &state, GenerateMipmapMode beforeResult) const |
void | generateMipmap (State &state) const |
virtual void | allocateMipmap (State &state) const =0 |
int | compareTexture (const Texture &rhs) const |
int | compareTextureObjects (const Texture &rhs) const |
Protected Attributes | |
TexParameterDirtyList | _texParametersDirtyList |
TexParameterDirtyList | _texMipmapGenerationDirtyList |
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 |
Vec4d | _borderColor |
GLint | _borderWidth |
InternalFormatMode | _internalFormatMode |
InternalFormatType | _internalFormatType |
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 |
class | TextureObjectManager |
class | TextureObjectSet |
struct | TextureProfile |
typedef buffered_value<unsigned int> osg::Texture::TexParameterDirtyList [protected] |
typedef std::list< ref_ptr<TextureObject> > osg::Texture::TextureObjectList |
typedef buffered_object< ref_ptr<TextureObject> > osg::Texture::TextureObjectBuffer [protected] |
Texture type determined by the internal texture format
NORMALIZED | default OpenGL format (clamped values to [0,1) or [0,255]) |
FLOAT | float values, Shader Model 3.0 (see ARB_texture_float) |
SIGNED_INTEGER | Signed integer values (see EXT_texture_integer). |
UNSIGNED_INTEGER | Unsigned integer value (see EXT_texture_integer). |
Returned by mipmapBeforeTexImage() to indicate what mipmapAfterTexImage() should do
osg::Texture::Texture | ( | ) |
Copy constructor using CopyOp to manage deep vs shallow copy.
virtual osg::Texture::~Texture | ( | ) | [protected, virtual] |
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.
virtual osg::Object* osg::Texture::clone | ( | const CopyOp & | ) | const [pure virtual] |
Clone an attribute, with Object* return type. Must be defined by derived classes.
Implements osg::StateAttribute.
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.
References NULL.
virtual const char* osg::Texture::libraryName | ( | ) | const [inline, virtual] |
Return the name of the attribute's library.
Reimplemented from osg::StateAttribute.
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 Texture* osg::Texture::asTexture | ( | ) | [inline, virtual] |
Fast alternative to dynamic_cast<> for determining if state attribute is a Texture.
Reimplemented from osg::StateAttribute.
virtual const Texture* osg::Texture::asTexture | ( | ) | const [inline, virtual] |
Fast alternative to dynamic_cast<> for determining if state attribute is a Texture.
Reimplemented from osg::StateAttribute.
virtual Type osg::Texture::getType | ( | ) | const [inline, virtual] |
Return the Type identifier of the attribute's class type.
Implements 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 GLenum osg::Texture::getTextureTarget | ( | ) | const [pure virtual] |
Implemented in osg::Texture1D, osg::Texture2D, osg::Texture2DArray, osg::Texture3D, osg::TextureCubeMap, and osg::TextureRectangle.
virtual bool osg::Texture::getModeUsage | ( | StateAttribute::ModeUsage & | ) | const [inline, virtual] |
Return the modes associated with this StateAttribute.
Reimplemented from osg::StateAttribute.
References osg::StateAttribute::ModeUsage::usesTextureMode().
virtual int osg::Texture::getTextureWidth | ( | ) | const [inline, virtual] |
Reimplemented in osg::Texture1D, osg::Texture2D, osg::Texture2DArray, osg::Texture3D, osg::TextureCubeMap, and osg::TextureRectangle.
virtual int osg::Texture::getTextureHeight | ( | ) | const [inline, virtual] |
Reimplemented in osg::Texture1D, osg::Texture2D, osg::Texture2DArray, osg::Texture3D, osg::TextureCubeMap, and osg::TextureRectangle.
virtual int osg::Texture::getTextureDepth | ( | ) | const [inline, virtual] |
Reimplemented in osg::Texture1D, osg::Texture2D, osg::Texture2DArray, osg::Texture3D, osg::TextureCubeMap, and osg::TextureRectangle.
void osg::Texture::setWrap | ( | WrapParameter | which, | |
WrapMode | wrap | |||
) |
Sets the texture wrap mode.
WrapMode osg::Texture::getWrap | ( | WrapParameter | which | ) | const |
Gets the texture wrap mode.
void osg::Texture::setBorderColor | ( | const Vec4d & | color | ) | [inline] |
Sets the border color. Only used when wrap mode is CLAMP_TO_BORDER. The border color will be casted to the appropriate type to match the internal pixel format of the texture.
const Vec4d& osg::Texture::getBorderColor | ( | ) | const [inline] |
Gets the border color.
void osg::Texture::setBorderWidth | ( | GLint | width | ) | [inline] |
Sets the border width.
GLint osg::Texture::getBorderWidth | ( | ) | const [inline] |
void osg::Texture::setFilter | ( | FilterParameter | which, | |
FilterMode | filter | |||
) |
Sets the texture filter mode.
FilterMode osg::Texture::getFilter | ( | FilterParameter | which | ) | const |
Gets the texture filter mode.
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 (equivalent to a max anisotropy value of 1.0. Valid range is 1.0f upwards. The maximum value depends on the graphics system.
float osg::Texture::getMaxAnisotropy | ( | ) | const [inline] |
Gets the maximum anisotropy value.
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.
bool osg::Texture::getUseHardwareMipMapGeneration | ( | ) | const [inline] |
Gets the hardware mipmap generation hint.
void osg::Texture::setUnRefImageDataAfterApply | ( | bool | flag | ) | [inline] |
bool osg::Texture::getUnRefImageDataAfterApply | ( | ) | const [inline] |
Gets whether or not apply() unreferences image data.
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.
bool osg::Texture::getClientStorageHint | ( | ) | const [inline] |
Gets whether to use client storage for the texture.
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.
bool osg::Texture::getResizeNonPowerOfTwoHint | ( | ) | const [inline] |
Gets whether texture will force non power to two images to be resized.
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.
InternalFormatMode osg::Texture::getInternalFormatMode | ( | ) | const [inline] |
Gets the internal texture format mode.
void osg::Texture::setInternalFormat | ( | GLint | internalFormat | ) | [inline] |
Sets the internal texture format. Implicitly sets the internalFormatMode to USE_USER_DEFINED_FORMAT. The corresponding internal format type will be computed.
GLint osg::Texture::getInternalFormat | ( | ) | const [inline] |
Gets the internal texture format.
bool osg::Texture::isCompressedInternalFormat | ( | ) | const |
Return true if the internal format is one of the compressed formats.
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.
GLenum osg::Texture::getSourceFormat | ( | ) | const [inline] |
Gets the external 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.
GLenum osg::Texture::getSourceType | ( | ) | const [inline] |
Gets the external source data type.
InternalFormatType osg::Texture::getInternalFormatType | ( | ) | const [inline] |
Get the internal texture format type.
TextureObject* osg::Texture::getTextureObject | ( | unsigned int | contextID | ) | const [inline] |
Returns a pointer to the TextureBbject for the current context.
Referenced by osgDB::DatabasePager::isCompiled().
void osg::Texture::setTextureObject | ( | unsigned int | contextID, | |
TextureObject * | to | |||
) | [inline] |
void osg::Texture::dirtyTextureObject | ( | ) |
Forces a recompile on next apply() of associated OpenGL texture objects.
bool osg::Texture::areAllTextureObjectsLoaded | ( | ) | const |
Returns true if the texture objects for all the required graphics contexts are loaded.
unsigned int& osg::Texture::getTextureParameterDirty | ( | unsigned int | contextID | ) | const [inline] |
Gets the dirty flag for the current contextID.
void osg::Texture::dirtyTextureParameters | ( | ) |
Force a reset on next apply() of associated OpenGL texture parameters.
void osg::Texture::allocateMipmapLevels | ( | ) |
Force a manual allocation of the mipmap levels on the next apply() call. User is responsible for filling the mipmap levels with valid data. The OpenGL's glGenerateMipmapEXT function is used to generate the mipmap levels. If glGenerateMipmapEXT is not supported or texture's internal format is not supported by the glGenerateMipmapEXT, then empty mipmap levels will be allocated manually. The mipmap levels are also allocated if a non-mipmapped min filter is used.
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.
bool osg::Texture::getShadowComparison | ( | ) | const [inline] |
void osg::Texture::setShadowCompareFunc | ( | ShadowCompareFunc | func | ) | [inline] |
Sets shadow texture comparison function.
ShadowCompareFunc osg::Texture::getShadowCompareFunc | ( | ) | const [inline] |
void osg::Texture::setShadowTextureMode | ( | ShadowTextureMode | mode | ) | [inline] |
Sets shadow texture mode after comparison.
ShadowTextureMode osg::Texture::getShadowTextureMode | ( | ) | const [inline] |
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.
float osg::Texture::getShadowAmbient | ( | ) | const [inline] |
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::Texture2DArray, 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::Texture2DArray, osg::Texture3D, osg::TextureCubeMap, and osg::TextureRectangle.
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::Texture2DArray, osg::Texture3D, osg::TextureCubeMap, and osg::TextureRectangle.
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::Texture2DArray, osg::Texture3D, osg::TextureCubeMap, and osg::TextureRectangle.
void osg::Texture::setReadPBuffer | ( | GraphicsContext * | context | ) | [inline] |
Set the PBuffer graphics context to read from when using PBuffers for RenderToTexture.
GraphicsContext* osg::Texture::getReadPBuffer | ( | ) | [inline] |
Get the PBuffer graphics context to read from when using PBuffers for RenderToTexture.
const GraphicsContext* osg::Texture::getReadPBuffer | ( | ) | const [inline] |
Get the const PBuffer graphics context to read from when using PBuffers for RenderToTexture.
virtual void osg::Texture::apply | ( | State & | state | ) | const [pure virtual] |
Texture is a pure virtual base class, apply must be overridden.
Reimplemented from osg::StateAttribute.
Implemented in osg::Texture1D, osg::Texture2D, osg::Texture2DArray, osg::Texture3D, osg::TextureCubeMap, osg::TextureRectangle, and osgText::Font::GlyphTexture.
virtual void osg::Texture::compileGLObjects | ( | State & | state | ) | const [virtual] |
Calls apply(state) to compile the texture.
Reimplemented from osg::StateAttribute.
virtual void osg::Texture::resizeGLObjectBuffers | ( | unsigned int | maxSize | ) | [virtual] |
Resize any per context GLObject buffers to specified size.
Reimplemented from osg::StateAttribute.
Reimplemented in osgText::Font::GlyphTexture.
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 objects for all graphics contexts.
Reimplemented from osg::StateAttribute.
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::Texture2DArray, osg::Texture3D, and osg::TextureCubeMap.
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 systems with different graphics pipes.
Reimplemented in osg::Texture2DArray, osg::Texture3D, and osg::TextureCubeMap.
static bool osg::Texture::isCompressedInternalFormat | ( | GLint | internalFormat | ) | [static] |
Determine whether the given internalFormat is a compressed image format.
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.
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.
virtual void osg::Texture::computeInternalFormat | ( | ) | const [protected, pure virtual] |
Implemented in osg::Texture1D, osg::Texture2D, osg::Texture2DArray, 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::computeInternalFormatType | ( | ) | const [protected] |
void osg::Texture::applyTexParameters | ( | GLenum | target, | |
State & | state | |||
) | const [protected] |
Helper method. Sets texture parameters.
bool osg::Texture::isHardwareMipmapGenerationEnabled | ( | const State & | state | ) | const [protected] |
Returns true if _useHardwareMipMapGeneration is true and either glGenerateMipmapEXT() or GL_GENERATE_MIPMAP_SGIS are supported.
GenerateMipmapMode osg::Texture::mipmapBeforeTexImage | ( | const State & | state, | |
bool | hardwareMipmapOn | |||
) | const [protected] |
Helper methods to be called before and after calling gl[Compressed][Copy]Tex[Sub]Image2D to handle generating mipmaps.
void osg::Texture::mipmapAfterTexImage | ( | State & | state, | |
GenerateMipmapMode | beforeResult | |||
) | const [protected] |
void osg::Texture::generateMipmap | ( | State & | state | ) | const [protected] |
Helper method to generate mipmap levels by calling of glGenerateMipmapEXT. If it is not supported, then call the virtual allocateMipmap() method
virtual void osg::Texture::allocateMipmap | ( | State & | state | ) | const [protected, pure virtual] |
Allocate mipmap levels of the texture by subsequent calling of glTexImage* function.
Implemented in osg::Texture1D, osg::Texture2D, osg::Texture2DArray, osg::Texture3D, osg::TextureCubeMap, and osg::TextureRectangle.
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.
static osg::ref_ptr<Texture::TextureObjectManager>& osg::Texture::getTextureObjectManager | ( | unsigned int | contextID | ) | [static] |
static TextureObject* osg::Texture::generateTextureObject | ( | const Texture * | texture, | |
unsigned int | contextID, | |||
GLenum | target | |||
) | [static] |
static TextureObject* osg::Texture::generateTextureObject | ( | const Texture * | texture, | |
unsigned int | contextID, | |||
GLenum | target, | |||
GLint | numMipmapLevels, | |||
GLenum | internalFormat, | |||
GLsizei | width, | |||
GLsizei | height, | |||
GLsizei | depth, | |||
GLint | border | |||
) | [static] |
static void osg::Texture::setMinimumNumberOfTextureObjectsToRetainInCache | ( | unsigned int | minimum | ) | [static] |
Set the minimum number of texture objects to retain in the deleted display list cache.
static unsigned int osg::Texture::getMinimumNumberOfTextureObjectsToRetainInCache | ( | ) | [static] |
Get the minimum number of display lists to retain in the deleted display list cache.
static void osg::Texture::deleteAllTextureObjects | ( | unsigned int | contextID | ) | [static] |
static void osg::Texture::discardAllTextureObjects | ( | unsigned int | contextID | ) | [static] |
static void osg::Texture::flushAllDeletedTextureObjects | ( | unsigned int | contextID | ) | [static] |
static void osg::Texture::discardAllDeletedTextureObjects | ( | unsigned int | contextID | ) | [static] |
static void osg::Texture::flushDeletedTextureObjects | ( | unsigned int | contextID, | |
double | currentTime, | |||
double & | availableTime | |||
) | [static] |
static void osg::Texture::releaseTextureObject | ( | unsigned int | contextID, | |
TextureObject * | to | |||
) | [static] |
unsigned int osg::Texture::s_numberTextureReusedLastInLastFrame [static] |
unsigned int osg::Texture::s_numberNewTextureInLastFrame [static] |
unsigned int osg::Texture::s_numberDeletedTextureInLastFrame [static] |
TexParameterDirtyList osg::Texture::_texParametersDirtyList [mutable, protected] |
TexParameterDirtyList osg::Texture::_texMipmapGenerationDirtyList [mutable, protected] |
WrapMode osg::Texture::_wrap_s [protected] |
WrapMode osg::Texture::_wrap_t [protected] |
WrapMode osg::Texture::_wrap_r [protected] |
FilterMode osg::Texture::_min_filter [protected] |
FilterMode osg::Texture::_mag_filter [protected] |
float osg::Texture::_maxAnisotropy [protected] |
bool osg::Texture::_useHardwareMipMapGeneration [protected] |
bool osg::Texture::_unrefImageDataAfterApply [protected] |
bool osg::Texture::_clientStorageHint [protected] |
bool osg::Texture::_resizeNonPowerOfTwoHint [protected] |
Vec4d osg::Texture::_borderColor [protected] |
GLint osg::Texture::_borderWidth [protected] |
InternalFormatMode osg::Texture::_internalFormatMode [protected] |
InternalFormatType osg::Texture::_internalFormatType [mutable, protected] |
GLint osg::Texture::_internalFormat [mutable, protected] |
GLenum osg::Texture::_sourceFormat [mutable, protected] |
GLenum osg::Texture::_sourceType [mutable, protected] |
bool osg::Texture::_use_shadow_comparison [protected] |
ShadowCompareFunc osg::Texture::_shadow_compare_func [protected] |
ShadowTextureMode osg::Texture::_shadow_texture_mode [protected] |
float osg::Texture::_shadow_ambient [protected] |
TextureObjectBuffer osg::Texture::_textureObjectBuffer [mutable, protected] |
ref_ptr<GraphicsContext> osg::Texture::_readPBuffer [mutable, protected] |