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osg::TexEnvCombine Class Reference

#include <TexEnvCombine>

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

Public Types

enum  CombineParam {
  REPLACE = GL_REPLACE , MODULATE = GL_MODULATE , ADD = GL_ADD , ADD_SIGNED = GL_ADD_SIGNED_ARB ,
  INTERPOLATE = GL_INTERPOLATE_ARB , SUBTRACT = GL_SUBTRACT_ARB , DOT3_RGB = GL_DOT3_RGB_ARB , DOT3_RGBA = GL_DOT3_RGBA_ARB
}
enum  SourceParam {
  CONSTANT = GL_CONSTANT_ARB , PRIMARY_COLOR = GL_PRIMARY_COLOR_ARB , PREVIOUS = GL_PREVIOUS_ARB , TEXTURE = GL_TEXTURE ,
  TEXTURE0 = GL_TEXTURE0 , TEXTURE1 = GL_TEXTURE0+1 , TEXTURE2 = GL_TEXTURE0+2 , TEXTURE3 = GL_TEXTURE0+3 ,
  TEXTURE4 = GL_TEXTURE0+4 , TEXTURE5 = GL_TEXTURE0+5 , TEXTURE6 = GL_TEXTURE0+6 , TEXTURE7 = GL_TEXTURE0+7
}
enum  OperandParam { SRC_COLOR = GL_SRC_COLOR , ONE_MINUS_SRC_COLOR = GL_ONE_MINUS_SRC_COLOR , SRC_ALPHA = GL_SRC_ALPHA , ONE_MINUS_SRC_ALPHA = GL_ONE_MINUS_SRC_ALPHA }
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 }

Public Member Functions

 TexEnvCombine ()
 TexEnvCombine (const TexEnvCombine &texenv, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
 META_StateAttribute (osg, TexEnvCombine, TEXENV)
virtual bool isTextureAttribute () const
virtual int compare (const StateAttribute &sa) const
void setCombine_RGB (GLint cm)
void setCombine_Alpha (GLint cm)
GLint getCombine_RGB () const
GLint getCombine_Alpha () const
void setSource0_RGB (GLint sp)
void setSource1_RGB (GLint sp)
void setSource2_RGB (GLint sp)
void setSource0_Alpha (GLint sp)
void setSource1_Alpha (GLint sp)
void setSource2_Alpha (GLint sp)
GLint getSource0_RGB () const
GLint getSource1_RGB () const
GLint getSource2_RGB () const
GLint getSource0_Alpha () const
GLint getSource1_Alpha () const
GLint getSource2_Alpha () const
void setOperand0_RGB (GLint op)
void setOperand1_RGB (GLint op)
void setOperand2_RGB (GLint op)
void setOperand0_Alpha (GLint op)
void setOperand1_Alpha (GLint op)
void setOperand2_Alpha (GLint op)
GLint getOperand0_RGB () const
GLint getOperand1_RGB () const
GLint getOperand2_RGB () const
GLint getOperand0_Alpha () const
GLint getOperand1_Alpha () const
GLint getOperand2_Alpha () const
void setScale_RGB (float scale)
void setScale_Alpha (float scale)
float getScale_RGB () const
float getScale_Alpha () const
void setConstantColor (const Vec4 &color)
const Vec4 & getConstantColor () const
void setConstantColorAsLightDirection (const Vec3 &direction)
Vec3 getConstantColorAsLightDirection () const
virtual void apply (State &state) const
Public Member Functions inherited from osg::StateAttribute
 StateAttribute ()
 StateAttribute (const StateAttribute &sa, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
virtual Object * cloneType () const =0
virtual Object * clone (const CopyOp &) const =0
virtual bool isSameKindAs (const Object *obj) const
virtual const char * libraryName () const
virtual const char * className () const
virtual StateAttribute * asStateAttribute ()
virtual const StateAttribute * asStateAttribute () const
virtual Texture * asTexture ()
virtual const Texture * asTexture () const
virtual Type getType () const =0
virtual unsigned int getMember () const
TypeMemberPair getTypeMemberPair () const
bool operator< (const StateAttribute &rhs) const
bool operator== (const StateAttribute &rhs) const
bool operator!= (const StateAttribute &rhs) const
const ParentList & getParents () const
StateSet * getParent (unsigned int i)
const StateSet * getParent (unsigned int i) const
unsigned int getNumParents () const
void setShaderComponent (ShaderComponent *sc)
ShaderComponent * getShaderComponent ()
const ShaderComponent * getShaderComponent () const
virtual bool getModeUsage (ModeUsage &) const
virtual bool checkValidityOfAssociatedModes (osg::State &) const
void setUpdateCallback (StateAttributeCallback *uc)
StateAttributeCallback * getUpdateCallback ()
const StateAttributeCallback * getUpdateCallback () const
void setEventCallback (StateAttributeCallback *ec)
StateAttributeCallback * getEventCallback ()
const StateAttributeCallback * getEventCallback () const
virtual void compileGLObjects (State &) const
virtual void resizeGLObjectBuffers (unsigned int)
virtual void releaseGLObjects (State *=0) const
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 Node * asNode ()
virtual const Node * asNode () const
virtual NodeVisitor * asNodeVisitor ()
virtual const NodeVisitor * asNodeVisitor () const
virtual StateSet * asStateSet ()
virtual const StateSet * asStateSet () const
virtual Uniform * asUniform ()
virtual const Uniform * asUniform () const
virtual Camera * asCamera ()
virtual const Camera * asCamera () const
virtual Drawable * asDrawable ()
virtual const Drawable * asDrawable () const
virtual Callback * asCallback ()
virtual const Callback * asCallback () const
virtual CallbackObject * asCallbackObject ()
virtual const CallbackObject * asCallbackObject () const
virtual UserDataContainer * asUserDataContainer ()
virtual const UserDataContainer * asUserDataContainer () const
virtual ValueObject * asValueObject ()
virtual const ValueObject * asValueObject () const
virtual Image * asImage ()
virtual const Image * asImage () 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::UserDataContainer * getUserDataContainer ()
const osg::UserDataContainer * getUserDataContainer () const
osg::UserDataContainer * getOrCreateUserDataContainer ()
virtual void setUserData (Referenced *obj)
template<class T>
void setUserData (const ref_ptr< T > &ud)
virtual Referenced * getUserData ()
virtual const Referenced * getUserData () 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 &)
Referenced & operator= (const Referenced &)
bool getThreadSafeRefUnref () const
OpenThreads::Mutex * getRefMutex () const
int ref () const
int unref () const
int unref_nodelete () const
int referenceCount () const
ObserverSet * getObserverSet () const
ObserverSet * getOrCreateObserverSet () const
void addObserver (Observer *observer) const
void removeObserver (Observer *observer) const

Protected Member Functions

virtual ~TexEnvCombine ()
bool needsTexEnvCombiner (GLint value) const
void computeNeedForTexEnvCombiners ()
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

Protected Attributes

bool _needsTexEnvCrossbar
GLint _combine_RGB
GLint _combine_Alpha
GLint _source0_RGB
GLint _source1_RGB
GLint _source2_RGB
GLint _source0_Alpha
GLint _source1_Alpha
GLint _source2_Alpha
GLint _operand0_RGB
GLint _operand1_RGB
GLint _operand2_RGB
GLint _operand0_Alpha
GLint _operand1_Alpha
GLint _operand2_Alpha
float _scale_RGB
float _scale_Alpha
osg::Vec4 _constantColor
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

Static Public Member Functions inherited from osg::Referenced
static OpenThreads::Mutex * getGlobalReferencedMutex ()
static void setDeleteHandler (DeleteHandler *handler)
static DeleteHandler * getDeleteHandler ()

Detailed Description

TexEnvCombine encapsulates the OpenGL glTexEnvCombine (texture environment) state.

Member Enumeration Documentation

◆ CombineParam

enum osg::TexEnvCombine::CombineParam
Enumerator
REPLACE 
MODULATE 
ADD 
ADD_SIGNED 
INTERPOLATE 
SUBTRACT 
DOT3_RGB 
DOT3_RGBA 

◆ OperandParam

enum osg::TexEnvCombine::OperandParam
Enumerator
SRC_COLOR 
ONE_MINUS_SRC_COLOR 
SRC_ALPHA 
ONE_MINUS_SRC_ALPHA 

◆ SourceParam

enum osg::TexEnvCombine::SourceParam
Enumerator
CONSTANT 
PRIMARY_COLOR 
PREVIOUS 
TEXTURE 
TEXTURE0 
TEXTURE1 
TEXTURE2 
TEXTURE3 
TEXTURE4 
TEXTURE5 
TEXTURE6 
TEXTURE7 

Constructor & Destructor Documentation

◆ TexEnvCombine() [1/2]

osg::TexEnvCombine::TexEnvCombine ( )

Referenced by compare(), META_StateAttribute(), and TexEnvCombine().

◆ TexEnvCombine() [2/2]

osg::TexEnvCombine::TexEnvCombine ( const TexEnvCombine & texenv,
const CopyOp & copyop = CopyOp::SHALLOW_COPY )
inline

Copy constructor using CopyOp to manage deep vs shallow copy.

References _combine_Alpha, _combine_RGB, _constantColor, _needsTexEnvCrossbar, _operand0_Alpha, _operand0_RGB, _operand1_Alpha, _operand1_RGB, _operand2_Alpha, _operand2_RGB, _scale_Alpha, _scale_RGB, _source0_Alpha, _source0_RGB, _source1_Alpha, _source1_RGB, _source2_Alpha, _source2_RGB, osg::CopyOp::SHALLOW_COPY, osg::StateAttribute::StateAttribute(), and TexEnvCombine().

◆ ~TexEnvCombine()

virtual osg::TexEnvCombine::~TexEnvCombine ( )
protectedvirtual

Member Function Documentation

◆ apply()

virtual void osg::TexEnvCombine::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::TexEnvCombine::compare ( const StateAttribute & sa) const
inlinevirtual

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

Implements osg::StateAttribute.

References _combine_Alpha, _combine_RGB, _constantColor, _needsTexEnvCrossbar, _operand0_Alpha, _operand0_RGB, _operand1_Alpha, _operand1_RGB, _operand2_Alpha, _operand2_RGB, _scale_Alpha, _scale_RGB, _source0_Alpha, _source0_RGB, _source1_Alpha, _source1_RGB, _source2_Alpha, _source2_RGB, COMPARE_StateAttribute_Parameter, COMPARE_StateAttribute_Types, osg::StateAttribute::StateAttribute(), and TexEnvCombine().

◆ computeNeedForTexEnvCombiners()

void osg::TexEnvCombine::computeNeedForTexEnvCombiners ( )
inlineprotected

References _needsTexEnvCrossbar, _source0_Alpha, _source0_RGB, _source1_Alpha, _source1_RGB, _source2_Alpha, _source2_RGB, and needsTexEnvCombiner().

◆ getCombine_Alpha()

GLint osg::TexEnvCombine::getCombine_Alpha ( ) const
inline

References _combine_Alpha.

◆ getCombine_RGB()

GLint osg::TexEnvCombine::getCombine_RGB ( ) const
inline

References _combine_RGB.

◆ getConstantColor()

const Vec4 & osg::TexEnvCombine::getConstantColor ( ) const
inline

References _constantColor.

◆ getConstantColorAsLightDirection()

Vec3 osg::TexEnvCombine::getConstantColorAsLightDirection ( ) const
inline

References _constantColor.

◆ getOperand0_Alpha()

GLint osg::TexEnvCombine::getOperand0_Alpha ( ) const
inline

References _operand0_Alpha.

◆ getOperand0_RGB()

GLint osg::TexEnvCombine::getOperand0_RGB ( ) const
inline

References _operand0_RGB.

◆ getOperand1_Alpha()

GLint osg::TexEnvCombine::getOperand1_Alpha ( ) const
inline

References _operand1_Alpha.

◆ getOperand1_RGB()

GLint osg::TexEnvCombine::getOperand1_RGB ( ) const
inline

References _operand1_RGB.

◆ getOperand2_Alpha()

GLint osg::TexEnvCombine::getOperand2_Alpha ( ) const
inline

References _operand2_Alpha.

◆ getOperand2_RGB()

GLint osg::TexEnvCombine::getOperand2_RGB ( ) const
inline

References _operand2_RGB.

◆ getScale_Alpha()

float osg::TexEnvCombine::getScale_Alpha ( ) const
inline

References _scale_Alpha.

◆ getScale_RGB()

float osg::TexEnvCombine::getScale_RGB ( ) const
inline

References _scale_RGB.

◆ getSource0_Alpha()

GLint osg::TexEnvCombine::getSource0_Alpha ( ) const
inline

References _source0_Alpha.

◆ getSource0_RGB()

GLint osg::TexEnvCombine::getSource0_RGB ( ) const
inline

References _source0_RGB.

◆ getSource1_Alpha()

GLint osg::TexEnvCombine::getSource1_Alpha ( ) const
inline

References _source1_Alpha.

◆ getSource1_RGB()

GLint osg::TexEnvCombine::getSource1_RGB ( ) const
inline

References _source1_RGB.

◆ getSource2_Alpha()

GLint osg::TexEnvCombine::getSource2_Alpha ( ) const
inline

References _source2_Alpha.

◆ getSource2_RGB()

GLint osg::TexEnvCombine::getSource2_RGB ( ) const
inline

References _source2_RGB.

◆ isTextureAttribute()

virtual bool osg::TexEnvCombine::isTextureAttribute ( ) const
inlinevirtual

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.

◆ META_StateAttribute()

osg::TexEnvCombine::META_StateAttribute ( osg ,
TexEnvCombine ,
TEXENV  )

References osg::StateAttribute::TEXENV, and TexEnvCombine().

◆ needsTexEnvCombiner()

bool osg::TexEnvCombine::needsTexEnvCombiner ( GLint value) const
inlineprotected

References CONSTANT, PREVIOUS, PRIMARY_COLOR, and TEXTURE.

Referenced by computeNeedForTexEnvCombiners().

◆ setCombine_Alpha()

void osg::TexEnvCombine::setCombine_Alpha ( GLint cm)

◆ setCombine_RGB()

void osg::TexEnvCombine::setCombine_RGB ( GLint cm)

◆ setConstantColor()

void osg::TexEnvCombine::setConstantColor ( const Vec4 & color)
inline

References _constantColor.

◆ setConstantColorAsLightDirection()

void osg::TexEnvCombine::setConstantColorAsLightDirection ( const Vec3 & direction)
inline

Set the constant color attribute to the given light direction for use with DOT3 combine operation.

References _constantColor, osg::Vec3f::x(), osg::Vec3f::y(), and osg::Vec3f::z().

◆ setOperand0_Alpha()

void osg::TexEnvCombine::setOperand0_Alpha ( GLint op)

◆ setOperand0_RGB()

void osg::TexEnvCombine::setOperand0_RGB ( GLint op)

◆ setOperand1_Alpha()

void osg::TexEnvCombine::setOperand1_Alpha ( GLint op)

◆ setOperand1_RGB()

void osg::TexEnvCombine::setOperand1_RGB ( GLint op)

◆ setOperand2_Alpha()

void osg::TexEnvCombine::setOperand2_Alpha ( GLint op)

◆ setOperand2_RGB()

void osg::TexEnvCombine::setOperand2_RGB ( GLint op)

◆ setScale_Alpha()

void osg::TexEnvCombine::setScale_Alpha ( float scale)

◆ setScale_RGB()

void osg::TexEnvCombine::setScale_RGB ( float scale)

◆ setSource0_Alpha()

void osg::TexEnvCombine::setSource0_Alpha ( GLint sp)

◆ setSource0_RGB()

void osg::TexEnvCombine::setSource0_RGB ( GLint sp)

◆ setSource1_Alpha()

void osg::TexEnvCombine::setSource1_Alpha ( GLint sp)

◆ setSource1_RGB()

void osg::TexEnvCombine::setSource1_RGB ( GLint sp)

◆ setSource2_Alpha()

void osg::TexEnvCombine::setSource2_Alpha ( GLint sp)

◆ setSource2_RGB()

void osg::TexEnvCombine::setSource2_RGB ( GLint sp)

Member Data Documentation

◆ _combine_Alpha

GLint osg::TexEnvCombine::_combine_Alpha
protected

Referenced by compare(), getCombine_Alpha(), and TexEnvCombine().

◆ _combine_RGB

GLint osg::TexEnvCombine::_combine_RGB
protected

Referenced by compare(), getCombine_RGB(), and TexEnvCombine().

◆ _constantColor

osg::Vec4 osg::TexEnvCombine::_constantColor
protected

Referenced by compare(), getConstantColor(), getConstantColorAsLightDirection(), setConstantColor(), setConstantColorAsLightDirection(), and TexEnvCombine().

◆ _needsTexEnvCrossbar

bool osg::TexEnvCombine::_needsTexEnvCrossbar
protected

Referenced by compare(), computeNeedForTexEnvCombiners(), and TexEnvCombine().

◆ _operand0_Alpha

GLint osg::TexEnvCombine::_operand0_Alpha
protected

Referenced by compare(), getOperand0_Alpha(), and TexEnvCombine().

◆ _operand0_RGB

GLint osg::TexEnvCombine::_operand0_RGB
protected

Referenced by compare(), getOperand0_RGB(), and TexEnvCombine().

◆ _operand1_Alpha

GLint osg::TexEnvCombine::_operand1_Alpha
protected

Referenced by compare(), getOperand1_Alpha(), and TexEnvCombine().

◆ _operand1_RGB

GLint osg::TexEnvCombine::_operand1_RGB
protected

Referenced by compare(), getOperand1_RGB(), and TexEnvCombine().

◆ _operand2_Alpha

GLint osg::TexEnvCombine::_operand2_Alpha
protected

Referenced by compare(), getOperand2_Alpha(), and TexEnvCombine().

◆ _operand2_RGB

GLint osg::TexEnvCombine::_operand2_RGB
protected

Referenced by compare(), getOperand2_RGB(), and TexEnvCombine().

◆ _scale_Alpha

float osg::TexEnvCombine::_scale_Alpha
protected

Referenced by compare(), getScale_Alpha(), and TexEnvCombine().

◆ _scale_RGB

float osg::TexEnvCombine::_scale_RGB
protected

Referenced by compare(), getScale_RGB(), and TexEnvCombine().

◆ _source0_Alpha

GLint osg::TexEnvCombine::_source0_Alpha
protected

Referenced by compare(), computeNeedForTexEnvCombiners(), getSource0_Alpha(), and TexEnvCombine().

◆ _source0_RGB

GLint osg::TexEnvCombine::_source0_RGB
protected

Referenced by compare(), computeNeedForTexEnvCombiners(), getSource0_RGB(), and TexEnvCombine().

◆ _source1_Alpha

GLint osg::TexEnvCombine::_source1_Alpha
protected

Referenced by compare(), computeNeedForTexEnvCombiners(), getSource1_Alpha(), and TexEnvCombine().

◆ _source1_RGB

GLint osg::TexEnvCombine::_source1_RGB
protected

Referenced by compare(), computeNeedForTexEnvCombiners(), getSource1_RGB(), and TexEnvCombine().

◆ _source2_Alpha

GLint osg::TexEnvCombine::_source2_Alpha
protected

Referenced by compare(), computeNeedForTexEnvCombiners(), getSource2_Alpha(), and TexEnvCombine().

◆ _source2_RGB

GLint osg::TexEnvCombine::_source2_RGB
protected

Referenced by compare(), computeNeedForTexEnvCombiners(), getSource2_RGB(), and TexEnvCombine().

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