osg::TexEnvCombine Class Reference

TexEnvCombine encapsulates the OpenGL glTexEnvCombine (texture environment) state. More...

Inheritance diagram for osg::TexEnvCombine:

[legend]

List of all members.

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 Member Functions
	TexEnvCombine ()
	TexEnvCombine (const TexEnvCombine &texenv, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
	Copy constructor using CopyOp to manage deep vs shallow copy.
	META_StateAttribute (osg, TexEnvCombine, TEXENV)
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 int	compare (const StateAttribute &sa) const
	Return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.
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)
	Set the constant color attribute to the given light direction for use with DOT3 combine operation.
Vec3	getConstantColorAsLightDirection () const
virtual void	apply (State &state) const
	apply the OpenGL state attributes.
Protected Member Functions
virtual	~TexEnvCombine ()
bool	needsTexEnvCombiner (GLint value) const
void	computeNeedForTexEnvCombiners ()
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

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Detailed Description

TexEnvCombine encapsulates the OpenGL glTexEnvCombine (texture environment) state.

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Member Enumeration Documentation

enum osg::TexEnvCombine::CombineParam

Enumerator:

REPLACE
MODULATE
ADD
ADD_SIGNED
INTERPOLATE
SUBTRACT
DOT3_RGB
DOT3_RGBA

enum osg::TexEnvCombine::SourceParam

Enumerator:

CONSTANT
PRIMARY_COLOR
PREVIOUS
TEXTURE
TEXTURE0
TEXTURE1
TEXTURE2
TEXTURE3
TEXTURE4
TEXTURE5
TEXTURE6
TEXTURE7

enum osg::TexEnvCombine::OperandParam

Enumerator:

SRC_COLOR
ONE_MINUS_SRC_COLOR
SRC_ALPHA
ONE_MINUS_SRC_ALPHA

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Constructor & Destructor Documentation

osg::TexEnvCombine::TexEnvCombine

(

)

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

Copy constructor using CopyOp to manage deep vs shallow copy.

virtual osg::TexEnvCombine::~TexEnvCombine

(

)

[protected, virtual]

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Member Function Documentation

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

virtual bool osg::TexEnvCombine::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 int osg::TexEnvCombine::compare

(

const StateAttribute &

sa

)

const [inline, virtual]

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

Implements osg::StateAttribute.

void osg::TexEnvCombine::setCombine_RGB

(

GLint

cm

)

void osg::TexEnvCombine::setCombine_Alpha

(

GLint

cm

)

GLint osg::TexEnvCombine::getCombine_RGB

(

)

const [inline]

GLint osg::TexEnvCombine::getCombine_Alpha

(

)

const [inline]

void osg::TexEnvCombine::setSource0_RGB

(

GLint

sp

)

void osg::TexEnvCombine::setSource1_RGB

(

GLint

sp

)

void osg::TexEnvCombine::setSource2_RGB

(

GLint

sp

)

void osg::TexEnvCombine::setSource0_Alpha

(

GLint

sp

)

void osg::TexEnvCombine::setSource1_Alpha

(

GLint

sp

)

void osg::TexEnvCombine::setSource2_Alpha

(

GLint

sp

)

GLint osg::TexEnvCombine::getSource0_RGB

(

)

const [inline]

GLint osg::TexEnvCombine::getSource1_RGB

(

)

const [inline]

GLint osg::TexEnvCombine::getSource2_RGB

(

)

const [inline]

GLint osg::TexEnvCombine::getSource0_Alpha

(

)

const [inline]

GLint osg::TexEnvCombine::getSource1_Alpha

(

)

const [inline]

GLint osg::TexEnvCombine::getSource2_Alpha

(

)

const [inline]

void osg::TexEnvCombine::setOperand0_RGB

(

GLint

op

)

void osg::TexEnvCombine::setOperand1_RGB

(

GLint

op

)

void osg::TexEnvCombine::setOperand2_RGB

(

GLint

op

)

void osg::TexEnvCombine::setOperand0_Alpha

(

GLint

op

)

void osg::TexEnvCombine::setOperand1_Alpha

(

GLint

op

)

void osg::TexEnvCombine::setOperand2_Alpha

(

GLint

op

)

GLint osg::TexEnvCombine::getOperand0_RGB

(

)

const [inline]

GLint osg::TexEnvCombine::getOperand1_RGB

(

)

const [inline]

GLint osg::TexEnvCombine::getOperand2_RGB

(

)

const [inline]

GLint osg::TexEnvCombine::getOperand0_Alpha

(

)

const [inline]

GLint osg::TexEnvCombine::getOperand1_Alpha

(

)

const [inline]

GLint osg::TexEnvCombine::getOperand2_Alpha

(

)

const [inline]

void osg::TexEnvCombine::setScale_RGB

(

float

scale

)

void osg::TexEnvCombine::setScale_Alpha

(

float

scale

)

float osg::TexEnvCombine::getScale_RGB

(

)

const [inline]

float osg::TexEnvCombine::getScale_Alpha

(

)

const [inline]

void osg::TexEnvCombine::setConstantColor

(

const Vec4 &

color

)

[inline]

const Vec4& osg::TexEnvCombine::getConstantColor

(

)

const [inline]

void osg::TexEnvCombine::setConstantColorAsLightDirection

(

const Vec3 &

direction

)

[inline]

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

Vec3 osg::TexEnvCombine::getConstantColorAsLightDirection

(

)

const [inline]

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.

bool osg::TexEnvCombine::needsTexEnvCombiner

(

GLint

value

)

const [inline, protected]

void osg::TexEnvCombine::computeNeedForTexEnvCombiners

(

)

[inline, protected]

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Member Data Documentation

bool osg::TexEnvCombine::_needsTexEnvCrossbar [protected]

GLint osg::TexEnvCombine::_combine_RGB [protected]

GLint osg::TexEnvCombine::_combine_Alpha [protected]

GLint osg::TexEnvCombine::_source0_RGB [protected]

GLint osg::TexEnvCombine::_source1_RGB [protected]

GLint osg::TexEnvCombine::_source2_RGB [protected]

GLint osg::TexEnvCombine::_source0_Alpha [protected]

GLint osg::TexEnvCombine::_source1_Alpha [protected]

GLint osg::TexEnvCombine::_source2_Alpha [protected]

GLint osg::TexEnvCombine::_operand0_RGB [protected]

GLint osg::TexEnvCombine::_operand1_RGB [protected]

GLint osg::TexEnvCombine::_operand2_RGB [protected]

GLint osg::TexEnvCombine::_operand0_Alpha [protected]

GLint osg::TexEnvCombine::_operand1_Alpha [protected]

GLint osg::TexEnvCombine::_operand2_Alpha [protected]

float osg::TexEnvCombine::_scale_RGB [protected]

float osg::TexEnvCombine::_scale_Alpha [protected]

osg::Vec4 osg::TexEnvCombine::_constantColor [protected]

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

• TexEnvCombine

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