openscenegraph
osg::Sampler Class Reference

#include <Sampler>

Inheritance diagram for osg::Sampler:
osg::StateAttribute osg::Object osg::Referenced

Public Member Functions

 Sampler ()
 Sampler (const Sampler &text, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
 META_StateAttribute (osg, Sampler, SAMPLER) virtual bool isTextureAttribute() const
void setWrap (Texture::WrapParameter which, Texture::WrapMode wrap)
Texture::WrapMode getWrap (Texture::WrapParameter which) const
void setFilter (Texture::FilterParameter which, Texture::FilterMode filter)
Texture::FilterMode getFilter (Texture::FilterParameter which) const
void setShadowCompareFunc (Texture::ShadowCompareFunc func)
Texture::ShadowCompareFunc getShadowCompareFunc () const
void setShadowTextureMode (Texture::ShadowTextureMode mode)
Texture::ShadowTextureMode getShadowTextureMode () const
void setBorderColor (const Vec4d &color)
const Vec4dgetBorderColor () const
void setMaxAnisotropy (float anis)
float getMaxAnisotropy () const
void setMinLOD (float anis)
float getMinLOD () const
void setMaxLOD (float anis)
float getMaxLOD () const
void setLODBias (float anis)
float getLODBias () const
virtual void apply (State &state) const
virtual void compileGLObjects (State &) const
virtual void releaseGLObjects (State *state=0) const
virtual int compare (const StateAttribute &sa) const
Public Member Functions inherited from osg::StateAttribute
 StateAttribute ()
 StateAttribute (const StateAttribute &sa, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
virtual ObjectcloneType () const =0
virtual Objectclone (const CopyOp &) const =0
virtual bool isSameKindAs (const Object *obj) const
virtual const char * libraryName () const
virtual const char * className () const
virtual StateAttributeasStateAttribute ()
virtual const StateAttributeasStateAttribute () const
virtual TextureasTexture ()
virtual const TextureasTexture () const
virtual Type getType () const =0
virtual unsigned int getMember () const
TypeMemberPair getTypeMemberPair () const
virtual bool isTextureAttribute () const
bool operator< (const StateAttribute &rhs) const
bool operator== (const StateAttribute &rhs) const
bool operator!= (const StateAttribute &rhs) const
const ParentListgetParents () const
StateSetgetParent (unsigned int i)
const StateSetgetParent (unsigned int i) const
unsigned int getNumParents () const
void setShaderComponent (ShaderComponent *sc)
ShaderComponentgetShaderComponent ()
const ShaderComponentgetShaderComponent () const
virtual bool getModeUsage (ModeUsage &) const
virtual bool checkValidityOfAssociatedModes (osg::State &) const
void setUpdateCallback (StateAttributeCallback *uc)
StateAttributeCallbackgetUpdateCallback ()
const StateAttributeCallbackgetUpdateCallback () const
void setEventCallback (StateAttributeCallback *ec)
StateAttributeCallbackgetEventCallback ()
const StateAttributeCallbackgetEventCallback () const
virtual void resizeGLObjectBuffers (unsigned int)
Public Member Functions inherited from osg::Object
 Object ()
 Object (bool threadSafeRefUnref)
 Object (const Object &, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
std::string getCompoundClassName () const
virtual NodeasNode ()
virtual const NodeasNode () const
virtual NodeVisitorasNodeVisitor ()
virtual const NodeVisitorasNodeVisitor () const
virtual StateSetasStateSet ()
virtual const StateSetasStateSet () const
virtual UniformasUniform ()
virtual const UniformasUniform () const
virtual CameraasCamera ()
virtual const CameraasCamera () const
virtual DrawableasDrawable ()
virtual const DrawableasDrawable () const
virtual CallbackasCallback ()
virtual const CallbackasCallback () const
virtual CallbackObjectasCallbackObject ()
virtual const CallbackObjectasCallbackObject () const
virtual UserDataContainerasUserDataContainer ()
virtual const UserDataContainerasUserDataContainer () const
virtual ValueObjectasValueObject ()
virtual const ValueObjectasValueObject () const
virtual ImageasImage ()
virtual const ImageasImage () const
virtual void setThreadSafeRefUnref (bool threadSafe)
virtual void setName (const std::string &name)
void setName (const char *name)
const std::string & getName () const
void setDataVariance (DataVariance dv)
DataVariance getDataVariance () const
virtual void computeDataVariance ()
void setUserDataContainer (osg::UserDataContainer *udc)
template<class T>
void setUserDataContainer (const ref_ptr< T > &udc)
osg::UserDataContainergetUserDataContainer ()
const osg::UserDataContainergetUserDataContainer () const
osg::UserDataContainergetOrCreateUserDataContainer ()
virtual void setUserData (Referenced *obj)
template<class T>
void setUserData (const ref_ptr< T > &ud)
virtual ReferencedgetUserData ()
virtual const ReferencedgetUserData () const
template<typename T>
bool getUserValue (const std::string &name, T &value) const
template<typename T>
void setUserValue (const std::string &name, const T &value)
template<typename T>
BoolValueObject UCharValueObject UShortValueObject UIntValueObject DoubleValueObject Vec3fValueObject Vec2dValueObject Vec4dValueObject PlaneValueObject MatrixdValueObject BoundingBoxdValueObject BoundingSpheredValueObject bool getUserValue (const std::string &name, T &value) const
Public Member Functions inherited from osg::Referenced
 Referenced ()
 Referenced (bool threadSafeRefUnref)
 Referenced (const Referenced &)
Referencedoperator= (const Referenced &)
bool getThreadSafeRefUnref () const
OpenThreads::MutexgetRefMutex () const
int ref () const
int unref () const
int unref_nodelete () const
int referenceCount () const
ObserverSetgetObserverSet () const
ObserverSetgetOrCreateObserverSet () const
void addObserver (Observer *observer) const
void removeObserver (Observer *observer) const

Static Public Member Functions

static void generateSamplerObjects (StateSet &)
Static Public Member Functions inherited from osg::Referenced
static OpenThreads::MutexgetGlobalReferencedMutex ()
static void setDeleteHandler (DeleteHandler *handler)
static DeleteHandlergetDeleteHandler ()

Protected Attributes

Texture::WrapMode _wrap_s
Texture::WrapMode _wrap_t
Texture::WrapMode _wrap_r
Texture::ShadowCompareFunc _shadow_compare_func
Texture::ShadowTextureMode _shadow_texture_mode
Vec4d _borderColor
Texture::FilterMode _min_filter
Texture::FilterMode _mag_filter
float _maxAnisotropy
float _minlod
float _maxlod
float _lodbias
buffered_value< GLuint > _PCsampler
buffered_value< uint8_t > _PCdirtyflags
Protected Attributes inherited from osg::StateAttribute
ParentList _parents
ref_ptr< ShaderComponent_shaderComponent
ref_ptr< StateAttributeCallback_updateCallback
ref_ptr< StateAttributeCallback_eventCallback
Protected Attributes inherited from osg::Object
std::string _name
DataVariance _dataVariance
osg::UserDataContainer_userDataContainer
Protected Attributes inherited from osg::Referenced
OpenThreads::AtomicPtr _observerSet
OpenThreads::Atomic _refCount

Additional Inherited Members

Public Types inherited from osg::StateAttribute
enum  Values {
  OFF = 0x0 , ON = 0x1 , OVERRIDE = 0x2 , PROTECTED = 0x4 ,
  INHERIT = 0x8
}
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 , SAMPLEMASKI ,
  PRIMITIVERESTARTINDEX , CLIPCONTROL , VALIDATOR , VIEWMATRIXEXTRACTOR ,
  OSGNV_PARAMETER_BLOCK , OSGNVEXT_TEXTURE_SHADER , OSGNVEXT_VERTEX_PROGRAM , OSGNVEXT_REGISTER_COMBINERS ,
  OSGNVCG_PROGRAM , OSGNVSLANG_PROGRAM , OSGNVPARSE_PROGRAM_PARSER , UNIFORMBUFFERBINDING ,
  TRANSFORMFEEDBACKBUFFERBINDING , ATOMICCOUNTERBUFFERBINDING , PATCH_PARAMETER , FRAME_BUFFER_OBJECT ,
  VERTEX_ATTRIB_DIVISOR , SHADERSTORAGEBUFFERBINDING , INDIRECTDRAWBUFFERBINDING , VIEWPORTINDEXED ,
  DEPTHRANGEINDEXED , SCISSORINDEXED , BINDIMAGETEXTURE , SAMPLER ,
  CAPABILITY = 100
}
typedef GLenum GLMode
typedef unsigned int GLModeValue
typedef unsigned int OverrideValue
typedef std::pair< Type, unsigned int > TypeMemberPair
typedef std::vector< StateSet * > ParentList
typedef osg::StateAttributeCallback Callback
Public Types inherited from osg::Object
enum  DataVariance { DYNAMIC , STATIC , UNSPECIFIED }
Protected Member Functions inherited from osg::StateAttribute
virtual ~StateAttribute ()
void addParent (osg::StateSet *object)
void removeParent (osg::StateSet *object)
Protected Member Functions inherited from osg::Object
virtual ~Object ()
Protected Member Functions inherited from osg::Referenced
virtual ~Referenced ()
void signalObserversAndDelete (bool signalDelete, bool doDelete) const
void deleteUsingDeleteHandler () const

Detailed Description

OpenGL Sampler OpenGL 3.3 required https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_sampler_objects.txt State Attribute controllig sampling instead of Texture Sampler is prioritary over Texture sample parameter (don't play with both)

Constructor & Destructor Documentation

◆ Sampler() [1/2]

osg::Sampler::Sampler ( )

Referenced by META_StateAttribute(), and Sampler().

◆ Sampler() [2/2]

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

Copy constructor using CopyOp to manage deep vs shallow copy.

References Sampler(), and osg::CopyOp::SHALLOW_COPY.

Member Function Documentation

◆ apply()

virtual void osg::Sampler::apply ( State & ) const
virtual

apply the OpenGL state attributes. The render info for the current OpenGL context is passed in to allow the StateAttribute to obtain details on the the current context and state.

Reimplemented from osg::StateAttribute.

◆ compare()

virtual int osg::Sampler::compare ( const StateAttribute & sa) const
virtual

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

Implements osg::StateAttribute.

References osg::StateAttribute::StateAttribute().

◆ compileGLObjects()

virtual void osg::Sampler::compileGLObjects ( State & ) const
virtual

Default to nothing to compile - all state is applied immediately.

Reimplemented from osg::StateAttribute.

◆ generateSamplerObjects()

void osg::Sampler::generateSamplerObjects ( StateSet & )
static

helper method to generate Sampler from Texture's sampling parameters (except shadow_texture_mode left to NONE)

References osg::StateAttribute::osg::StateSet.

◆ getBorderColor()

const Vec4d & osg::Sampler::getBorderColor ( ) const
inline

Gets the border color.

References _borderColor.

◆ getFilter()

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

Gets the texture filter mode.

◆ getLODBias()

float osg::Sampler::getLODBias ( ) const
inline

Gets the maximum anisotropy value.

References _lodbias.

◆ getMaxAnisotropy()

float osg::Sampler::getMaxAnisotropy ( ) const
inline

Gets the maximum anisotropy value.

References _maxAnisotropy.

◆ getMaxLOD()

float osg::Sampler::getMaxLOD ( ) const
inline

Gets the maximum anisotropy value.

References _maxlod.

◆ getMinLOD()

float osg::Sampler::getMinLOD ( ) const
inline

Gets the maximum anisotropy value.

References _minlod.

◆ getShadowCompareFunc()

Texture::ShadowCompareFunc osg::Sampler::getShadowCompareFunc ( ) const
inline

References _shadow_compare_func.

◆ getShadowTextureMode()

Texture::ShadowTextureMode osg::Sampler::getShadowTextureMode ( ) const
inline

References _shadow_texture_mode.

◆ getWrap()

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

Gets the texture wrap mode.

◆ META_StateAttribute()

osg::Sampler::META_StateAttribute ( osg ,
Sampler ,
SAMPLER  ) const
inline

◆ releaseGLObjects()

virtual void osg::Sampler::releaseGLObjects ( State * state = 0) const
virtual

release state's SamplerObject

Reimplemented from osg::StateAttribute.

◆ setBorderColor()

void osg::Sampler::setBorderColor ( const Vec4d & color)

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.

◆ setFilter()

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

Sets the texture filter mode.

◆ setLODBias()

void osg::Sampler::setLODBias ( float anis)

◆ setMaxAnisotropy()

void osg::Sampler::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.

◆ setMaxLOD()

void osg::Sampler::setMaxLOD ( float anis)

◆ setMinLOD()

void osg::Sampler::setMinLOD ( float anis)

◆ setShadowCompareFunc()

void osg::Sampler::setShadowCompareFunc ( Texture::ShadowCompareFunc func)

Sets shadow texture comparison function.

◆ setShadowTextureMode()

void osg::Sampler::setShadowTextureMode ( Texture::ShadowTextureMode mode)

Sets shadow texture mode after comparison.

◆ setWrap()

void osg::Sampler::setWrap ( Texture::WrapParameter which,
Texture::WrapMode wrap )

Sets the texture wrap mode.

Member Data Documentation

◆ _borderColor

Vec4d osg::Sampler::_borderColor
protected

Referenced by getBorderColor().

◆ _lodbias

float osg::Sampler::_lodbias
protected

Referenced by getLODBias().

◆ _mag_filter

Texture::FilterMode osg::Sampler::_mag_filter
protected

◆ _maxAnisotropy

float osg::Sampler::_maxAnisotropy
protected

Referenced by getMaxAnisotropy().

◆ _maxlod

float osg::Sampler::_maxlod
protected

Referenced by getMaxLOD().

◆ _min_filter

Texture::FilterMode osg::Sampler::_min_filter
protected

◆ _minlod

float osg::Sampler::_minlod
protected

Referenced by getMinLOD().

◆ _PCdirtyflags

buffered_value<uint8_t> osg::Sampler::_PCdirtyflags
mutableprotected

◆ _PCsampler

buffered_value<GLuint> osg::Sampler::_PCsampler
mutableprotected

◆ _shadow_compare_func

Texture::ShadowCompareFunc osg::Sampler::_shadow_compare_func
protected

Referenced by getShadowCompareFunc().

◆ _shadow_texture_mode

Texture::ShadowTextureMode osg::Sampler::_shadow_texture_mode
protected

Referenced by getShadowTextureMode().

◆ _wrap_r

Texture::WrapMode osg::Sampler::_wrap_r
protected

◆ _wrap_s

Texture::WrapMode osg::Sampler::_wrap_s
protected

◆ _wrap_t

Texture::WrapMode osg::Sampler::_wrap_t
protected

The documentation for this class was generated from the following file: