SoFramebufferSampler3D Class Reference

Open Inventor sampler node that gets it's 3D image from a framebuffer object. More...

#include <SoFramebufferSampler3D.h>

Inheritance diagram for SoFramebufferSampler3D:

Public Member Functions
	SoFramebufferSampler3D ()
	Constructor.
void	updatePreparation (SoState *state) override
	Render children to framebuffer object.
void	updateParameter (SoUniformParameterBase *, SoState *) override
	Update sampler uniform to inform shader about fbo texture.
Public Member Functions inherited from SoFramebufferSampler
	SoFramebufferSampler ()
	Constructor.
void	GLRender (SoGLRenderAction *action) override
	Add node to parameter list element, and call 'updatePreparation'.
void	getBoundingBox (SoGetBoundingBoxAction *action) override
	Compute bounding-box of subgraph.
void	handleEvent (SoHandleEventAction *action) override
void	renderInSeparateRenderAction ()
	Renders in an extra render action and tries to reset the GL state as far as possible to avoid that the scene below is affected by above state.
void	updatePreparationInternal (SoGLRenderAction *action)
	Helper method to call updatePreparation.
Public Member Functions inherited from SoSampler
void	updateParameter (SoUniformParameterBase *uniformBase, SoState *state) override
	Assigns or updates the parameter's value.
Public Member Functions inherited from SoUniformShaderParameter
void	GLRender (SoGLRenderAction *action) override
	Add this node to element in state.
Public Member Functions inherited from SoShaderParameter
void	callback (SoCallbackAction *) override
	Shut down handling of these actions for children.
void	GLRender (SoGLRenderAction *) override
void	getBoundingBox (SoGetBoundingBoxAction *) override
void	getMatrix (SoGetMatrixAction *) override
void	handleEvent (SoHandleEventAction *) override
void	pick (SoPickAction *) override

Static Public Member Functions
static void	initClass ()
	Initialize class with runtime type system.
Static Public Member Functions inherited from SoFramebufferSampler
static void	resetFixedFunctionGLState ()
	Resets the current GL state as far as possible (but leaves FBO intact, to allow push/pop later)
static void	initClass ()
	Initialize class with runtime type system.
Static Public Member Functions inherited from SoSampler
static void	initClass ()
	Initialize class with runtime type system.
Static Public Member Functions inherited from SoUniformShaderParameter
static void	initClass ()
	Initialize class with runtime type system.
Static Public Member Functions inherited from SoShaderParameter
static void	initClass ()
	Initialize class with runtime type system.

Public Attributes
SoSFVec3s	size
	Texture size. Default is 64 x 64 x 64.
SoSFEnum	wrapR
	Wrapping mode.
Public Attributes inherited from SoFramebufferSampler
SoSFEnum	colorBufferFormat
	Internal format of color buffer. Default is RGBA.
SoSFEnum	depthBufferTarget
	Enable/Disable depth buffer. Default is TRUE.
SoSFBool	stencilBuffer
	Enable/Disable stencil buffer. Default is FALSE.
SoSFColor	clearColor
	Color used to clear the color buffer.
SoSFFloat	clearAlpha
	Alpha value used to clear the color buffer.
SoSFEnum	wrapT
	Wrapping mode.
SoSFBool	useSizeStateHints
	Read state for size hints.
SoSFBool	useFormatStateHints
	Read state for format hints.
SoSFFloat	sizeMultiplier
	Size provided by size state hints is multiplied with this value.
SoSFFloat	pixelScale
	Scale factor for pixel size.
SoSFBool	automaticTraversal
	Automatically traverse child scene.
SoSFTrigger	takeSnapshot
	Take a snapshot of the scene.
SoSFBool	useSeparateRenderAction
	If enabled, a separate offscreen renderaction is used instead of the render action of the scene above the node itself.
Public Attributes inherited from SoSampler
SoSFEnum	wrapS
	Wrapping mode. Default is REPEAT.
SoSFBool	enableBorder
	Enable border to be part of the texture. Default is FALSE.
SoSFVec4f	borderColor
	Border color used to for border texture filtering. Only used if 'enableBorder' is FALSE. Default is (0, 0, 0, 0).
SoSFEnum	minFilter
	Minification filter mode. Default is LINEAR.
SoSFEnum	magFilter
	Magnification filter mode. Default is LINEAR.
SoSFBool	use16BitFloat
	Use 16 Bit floating point for the texture format.
SoSFBool	needsTextureCoordinates
	Enable this if the sampler needs the standard inventor texture coordinates.
Public Attributes inherited from SoUniformShaderParameter
std::set< SbString >	auxUniformParameters
	Auxiliary uniform shader parameters which are maintained by this node.
Public Attributes inherited from SoShaderParameter
SoSFString	name
	Name given to parameter in high level languages.

Protected Member Functions
	~SoFramebufferSampler3D () override
	Destructor.
Protected Member Functions inherited from SoFramebufferSampler
	~SoFramebufferSampler () override
	Destructor.
virtual void	applyRenderAction (SoState *)
	Function applies render action to children.
void	nameChanged (SoField *field) override
	Called when sampler name has changed.
Protected Member Functions inherited from SoSampler
	~SoSampler () override
	SoSampler ()
	Constructor.
GLint	getInternalFormat (GLenum glDataType)
	Return specialized texture format for GL data type.
const char *	getTextureFormatName (GLenum internalFormat)
	Return texture format name.
SbSamplerInfo::TextureType	getTextureTypeFromGLFormat (GLenum internalFormat)
void	postTextureFormatInfo (GLenum target, GLint format)
	Prints channel depths for given target and format.
void	postTextureSizeInfo (GLenum target)
	Prints the size of the bound texture.
virtual void	texConfigChanged (SoField *)
	Called when texture configuration (e.g. filter mode) has changed.
Protected Member Functions inherited from SoUniformShaderParameter
	SoUniformShaderParameter ()
	Constructor.
Protected Member Functions inherited from SoShaderParameter
	SoShaderParameter ()
	Constructor.

Protected Attributes
SbVec3s	_fldValSize
SbVec3s	_size
Protected Attributes inherited from SoFramebufferSampler
SbBool	_fldValUseSizeHints
SbBool	_fldValUseFormatHints
ColorBufferFormat	_fldValColorBufferFormat
DepthBufferTarget	_fldValDepthBufferTarget
SbBool	_fldValStencilBuffer
SbBool	_rebuild
SbBool	_takeSnapshot
int32_t	_dataFormat
SbString	_depthTextureName
	name of the uniform ?_depth parameter
SoGLFramebufferObject *	_framebufferObject
SoGLTexture *	_colorBuffer
SoGLRenderbuffer *	_depthBufferRBU
SoGLTexture *	_depthBufferTEX
SoGLRenderbuffer *	_stencilBuffer
SoResolutionIndependentViewerProxy *	_proxy
SoFramebufferSamplerOffscreenSceneRenderer *	_offscreenSceneRenderer
Protected Attributes inherited from SoSampler
SbBool	_hasTextureFloat
	TRUE if GL_xxx_texture_float extension is present.
SbString	_sizeUniformName
	name of the uniform ?_size parameter
unsigned int	_textureComponents
GLenum	_textureDataType

Additional Inherited Members
Public Types inherited from SoFramebufferSampler
enum	ColorBufferFormat {   RGB = GL_RGB , RGB8 = GL_RGB8 , RGB16 = GL_RGB16 , RGB16F = GL_RGB16F_ARB ,   RGB32F = GL_RGB32F_ARB , RGBA = GL_RGBA , RGBA8 = GL_RGBA8 , RGBA16 = GL_RGBA16 ,   RGBA16F = GL_RGBA16F_ARB , RGBA32F = GL_RGBA32F_ARB }
	Internal texture format for color buffer. More...
enum	DepthBufferTarget { NONE = 0 , RENDERBUFFER = 1 , TEXTURE = 2 }
	Depth buffer mode. More...
Public Types inherited from SoSampler
enum	TexGenMode { NORMAL_MAP = GL_NORMAL_MAP_EXT , REFLECTION_MAP = GL_REFLECTION_MAP_EXT }
	Texture gen mode. More...
enum	Wrap {   REPEAT = GL_REPEAT , CLAMP = GL_CLAMP , CLAMP_TO_EDGE = GL_CLAMP_TO_EDGE , CLAMP_TO_BORDER = GL_CLAMP_TO_BORDER ,   MIRRORED_REPEAT = GL_MIRRORED_REPEAT }
	Texture wrap type. More...
enum	Filter {   NEAREST = GL_NEAREST , LINEAR = GL_LINEAR , NEAREST_MIPMAP_NEAREST = GL_NEAREST_MIPMAP_NEAREST , NEAREST_MIPMAP_LINEAR = GL_NEAREST_MIPMAP_LINEAR ,   LINEAR_MIPMAP_NEAREST = GL_LINEAR_MIPMAP_NEAREST , LINEAR_MIPMAP_LINEAR = GL_LINEAR_MIPMAP_LINEAR }
	Filter methods for minification and magnification. More...

Detailed Description

Open Inventor sampler node that gets it's 3D image from a framebuffer object.

Open Inventor sampler node that gets it's 3D image from a framebuffer object.

Definition at line 24 of file SoFramebufferSampler3D.h.

Constructor & Destructor Documentation

SoFramebufferSampler3D()

SoFramebufferSampler3D::SoFramebufferSampler3D

(

)

Constructor.

~SoFramebufferSampler3D()

SoFramebufferSampler3D::~SoFramebufferSampler3D ( )

overrideprotected

Destructor.

Member Function Documentation

initClass()

static void SoFramebufferSampler3D::initClass ( )

static

Initialize class with runtime type system.

updateParameter()

void SoFramebufferSampler3D::updateParameter ( SoUniformParameterBase *  , SoState *    )

overridevirtual

Update sampler uniform to inform shader about fbo texture.

Implements SoUniformShaderParameter.

updatePreparation()

void SoFramebufferSampler3D::updatePreparation ( SoState *  state )

overridevirtual

Render children to framebuffer object.

Reimplemented from SoUniformShaderParameter.

Member Data Documentation

_fldValSize

SbVec3s SoFramebufferSampler3D::_fldValSize

protected

Definition at line 43 of file SoFramebufferSampler3D.h.

_size

SbVec3s SoFramebufferSampler3D::_size

protected

Definition at line 44 of file SoFramebufferSampler3D.h.

size

SoSFVec3s SoFramebufferSampler3D::size

Texture size. Default is 64 x 64 x 64.

Definition at line 33 of file SoFramebufferSampler3D.h.

wrapR

SoSFEnum SoFramebufferSampler3D::wrapR

Wrapping mode.

Definition at line 36 of file SoFramebufferSampler3D.h.

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

• MeVisLab/Standard/Sources/Inventor/SoShader/Inventor/nodes/SoFramebufferSampler3D.h