Abstract Open Inventor base class for sampler nodes. More...

#include <SoImageSampler.h>

Inheritance diagram for SoImageSampler:

Public Member Functions
virtual void	updateParameter (SoUniformParameterBase uniformBase, SoState state)
	Assigns or updates the parameter's value.
Static Public Member Functions
static void	initClass ()
	Initialize class with runtime type system.
Protected Member Functions
virtual	~SoImageSampler ()
	SoImageSampler ()
	Constructor.
virtual void	freeResources ()
	Free resources. Should be called by Destructors of derived classes.
virtual void	clearTexturData ()
	Delete the texture buffer(s)
virtual void	updateTextureHandle ()
	Creates texture handle and binds it.
virtual void	updateTextureFilteringParameters ()
	Sets parameters for texture filtering.
virtual void	updateTextureWrappingParameters ()
	Sets parameters for texture wrapping in openGL.
virtual void	uploadTextureData ()
	Uploads data stored in _textureData.
virtual void	uploadDummyTextureData (GLenum target)
	Upload a dummy texture consisting of one black voxel.
virtual void	generateMipmap ()
	Generates mipmap.
virtual void	updateSamplerInfo (SoUniformParameterBase uniformBase, SoState state)
	Set info about the purpose of the uniform parameter and add info about sampler to state.
virtual void	setGlTexImage (GLenum target, XVImageSize textureSize, GLint internalFormat, GLint format, GLenum textureDataType, const GLvoid *textureData)
	Set the openGL texture.
virtual void	updateTextureData (bool force=false)
	Calls imageChanged() if _textureData is empty or if force is true.
virtual void	imageChanged ()=0
	Called when the image has changed and is valid.
Protected Attributes
GLuint	_textureId
MLuint8 *	_textureData
	Buffered texture that is uploaded.
SbBool	_isTextureModified
	Indicates changes in the internal texture.
SbSamplerInfo::TextureType	_internTexFormat
	Value points to internal texture format.
XVImageSize	_textureSize
	size of the internal texture
GLenum	_target
	Specifies the target to which the texture is bound.
SoUniformParameterBase::SamplerType	_samplerType
	Specifies the sampler type. Must be either SAMPLER_1D, SAMPLER_2D, SAMPLER_3D or SAMPLER_CUBEMAP.

Detailed Description

Abstract Open Inventor base class for sampler nodes.

Definition at line 29 of file SoImageSampler.h.

Constructor & Destructor Documentation

virtual SoImageSampler::~SoImageSampler ( ) [protected, virtual]

SoImageSampler::SoImageSampler ( ) [protected]

Constructor.

Member Function Documentation

virtual void SoImageSampler::clearTexturData ( ) [protected, virtual]

Delete the texture buffer(s)

Reimplemented in SoMLSamplerCubeMap.

virtual void SoImageSampler::freeResources ( ) [protected, virtual]

Free resources. Should be called by Destructors of derived classes.

virtual void SoImageSampler::generateMipmap ( ) [protected, virtual]

Generates mipmap.

virtual void SoImageSampler::imageChanged ( ) [protected, pure virtual]

Called when the image has changed and is valid.

Implemented in SoMLSampler.

static void SoImageSampler::initClass ( ) [static]

Initialize class with runtime type system.

Reimplemented from SoSampler.

Reimplemented in SoMLSampler, SoMLSampler1D, SoMLSampler2D, SoMLSampler3D, and SoMLSamplerCubeMap.

virtual void SoImageSampler::setGlTexImage	(	GLenum	target,
		XVImageSize	textureSize,
		GLint	internalFormat,
		GLint	format,
		GLenum	textureDataType,
		const GLvoid *	textureData
	)		`[protected, virtual]`

Set the openGL texture.

Reimplemented in SoMLSampler2D, SoMLSampler3D, and SoMLSamplerCubeMap.

virtual void SoImageSampler::updateParameter	(	SoUniformParameterBase *	uniformBase,
		SoState *	state
	)		`[virtual]`

Assigns or updates the parameter's value.

Reimplemented from SoSampler.

Reimplemented in SoMLSampler.

virtual void SoImageSampler::updateSamplerInfo	(	SoUniformParameterBase *	uniformBase,
		SoState *	state
	)		`[protected, virtual]`

Set info about the purpose of the uniform parameter and add info about sampler to state.

virtual void SoImageSampler::updateTextureData ( bool force = false ) [protected, virtual]

Calls imageChanged() if _textureData is empty or if force is true.

Reimplemented in SoMLSamplerCubeMap.

virtual void SoImageSampler::updateTextureFilteringParameters ( ) [protected, virtual]

Sets parameters for texture filtering.

virtual void SoImageSampler::updateTextureHandle ( ) [protected, virtual]

Creates texture handle and binds it.

virtual void SoImageSampler::updateTextureWrappingParameters ( ) [protected, virtual]

Sets parameters for texture wrapping in openGL.

Implemented for s dimension Derived classes should add wrapping for additional dimensions

Reimplemented in SoMLSampler2D, and SoMLSampler3D.

virtual void SoImageSampler::uploadDummyTextureData ( GLenum target ) [protected, virtual]

Upload a dummy texture consisting of one black voxel.

virtual void SoImageSampler::uploadTextureData ( ) [protected, virtual]

Uploads data stored in _textureData.

Reimplemented in SoMLSamplerCubeMap.

Member Data Documentation

SbSamplerInfo::TextureType SoImageSampler::_internTexFormat [protected]

Value points to internal texture format.

Reimplemented in SoMLSampler.

Definition at line 105 of file SoImageSampler.h.

SbBool SoImageSampler::_isTextureModified [protected]

Indicates changes in the internal texture.

Definition at line 102 of file SoImageSampler.h.

SoUniformParameterBase::SamplerType SoImageSampler::_samplerType [protected]

Specifies the sampler type. Must be either SAMPLER_1D, SAMPLER_2D, SAMPLER_3D or SAMPLER_CUBEMAP.

Definition at line 117 of file SoImageSampler.h.

GLenum SoImageSampler::_target [protected]

Specifies the target to which the texture is bound.

Must be set by the derived class! Must be one of GL_TEXTURE_1D, GL_TEXTURE_2D, GL_TEXTURE_3D, GL_TEXTURE_1D_ARRAY, GL_TEXTURE_2D_ARRAY, GL_TEXTURE_RECTANGLE, GL_TEXTURE_CUBE_MAP, GL_TEXTURE_CUBE_MAP_ARRAY, GL_TEXTURE_BUFFER, GL_TEXTURE_2D_MULTISAMPLE or GL_TEXTURE_2D_MULTISAMPLE_ARRAY.

Definition at line 114 of file SoImageSampler.h.

MLuint8* SoImageSampler::_textureData [protected]

Buffered texture that is uploaded.

Definition at line 99 of file SoImageSampler.h.

GLuint SoImageSampler::_textureId [protected]

Definition at line 94 of file SoImageSampler.h.

XVImageSize SoImageSampler::_textureSize [protected]

size of the internal texture

Definition at line 108 of file SoImageSampler.h.

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

MeVisLab/Standard/Sources/Inventor/SoShader/Inventor/nodes/SoImageSampler.h

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation