Blur node implementation. More...

#include <BlurNode.h>

Inheritance diagram for BlurNode:

Public Member Functions
void	emitFunctionDefinition (const ShaderNode &node, GenContext &context, ShaderStage &stage) const override
	Emit function definition for the given node instance. More...

void	emitFunctionCall (const ShaderNode &node, GenContext &context, ShaderStage &stage) const override
	Emit the function call or inline source code for given node instance in the given context. More...

Public Member Functions inherited from ConvolutionNode
void	createVariables (const ShaderNode &node, GenContext &context, Shader &shader) const override
	Create shader variables needed for the implementation of this node (e.g. More...

Public Member Functions inherited from ShaderNodeImpl
virtual const string &	getTarget () const
	Return an identifier for the target used by this implementation. More...

virtual void	initialize (const InterfaceElement &element, GenContext &context)
	Initialize with the given implementation element. More...

const string &	getName () const
	Return the name of this implementation.

size_t	getHash () const
	Return a hash for this implementation. More...

virtual void	addInputs (ShaderNode &node, GenContext &context) const
	Add additional inputs on a node. More...

virtual void	setValues (const Node &node, ShaderNode &shaderNode, GenContext &context) const
	Set values for additional inputs on a node. More...

virtual void	addClassification (ShaderNode &node) const
	Add additional classifications on a node. More...

virtual void	createVariables (const ShaderNode &node, GenContext &context, Shader &shader) const
	Create shader variables needed for the implementation of this node (e.g. More...

virtual void	emitFunctionDefinition (const ShaderNode &node, GenContext &context, ShaderStage &stage) const
	Emit function definition for the given node instance. More...

virtual void	emitFunctionCall (const ShaderNode &node, GenContext &context, ShaderStage &stage) const
	Emit the function call or inline source code for given node instance in the given context. More...

virtual void	emitOutputVariables (const ShaderNode &node, GenContext &context, ShaderStage &stage) const
	Emit declaration and initialization of output variables to use in a function call.

virtual ShaderGraph *	getGraph () const
	Return a pointer to the graph if this implementation is using a graph, or returns nullptr otherwise. More...

virtual bool	isEditable (const ShaderInput &) const
	Returns true if an input is editable by users. More...

virtual bool	isEditable (const ShaderGraphInputSocket &) const
	Returns true if a graph input is accessible by users. More...

Protected Member Functions
	BlurNode ()
	Constructor.

virtual void	emitSamplingFunctionDefinition (const ShaderNode &node, GenContext &context, ShaderStage &stage) const =0
	Emit function definitions for sampling functions used by this node. More...

bool	acceptsInputType (TypeDesc type) const override
	Return if given type is an acceptible input. More...

void	computeSampleOffsetStrings (const string &sampleSizeName, const string &offsetTypeString, unsigned int filterWidth, StringVec &offsetStrings) const override
	Compute offset strings for sampling. More...

virtual void	outputSampleArray (const ShaderGenerator &shadergen, ShaderStage &stage, TypeDesc inputType, const string &sampleName, const StringVec &sampleStrings) const
	Output sample array.

void	outputSampleArray (const ShaderGenerator &shadergen, ShaderStage &stage, const TypeDesc *inputType, const string &sampleName, const StringVec &sampleStrings) const

Protected Member Functions inherited from ConvolutionNode
	ConvolutionNode ()
	Constructor.

virtual bool	acceptsInputType (TypeDesc type) const =0
	Derived classes are responsible for returning if a given type is an acceptable input. More...

bool	acceptsInputType (const TypeDesc *type) const

virtual void	computeSampleOffsetStrings (const string &sampleSizeName, const string &offsetTypeString, unsigned int filterWidth, StringVec &offsetStrings) const =0

virtual const ShaderInput *	getSamplingInput (const ShaderNode &node) const
	Get input which is used for sampling. More...

void	emitInputSamplesUV (const ShaderNode &node, unsigned int sampleCount, unsigned int filterWidth, float filterSize, float filterOffset, const string &sampleSizeFunctionUV, GenContext &context, ShaderStage &stage, StringVec &sampleStrings) const
	Generate upstream / input sampling code in uv space and cache the output variable names which will hold the sample values after execution.

Protected Member Functions inherited from ShaderNodeImpl
	ShaderNodeImpl ()
	Protected constructor.

Static Protected Attributes
static const string	_sampleSizeFunctionUV

static const float	_filterSize

static const float	_filterOffset

static const string	BOX_FILTER
	Box filter option on blur.

static const string	BOX_WEIGHTS_VARIABLE
	Box filter weights variable name.

static const string	GAUSSIAN_FILTER
	Gaussian filter option on blur.

static const string	GAUSSIAN_WEIGHTS_VARIABLE
	Gaussian filter weights variable name.

static const string	FILTER_LIST
	List of filters.

static const string	IN_STRING
	String constants.

static const string	FILTER_TYPE_STRING

static const string	FILTER_SIZE_STRING

Additional Inherited Members
Protected Attributes inherited from ShaderNodeImpl
string	_name

size_t	_hash

Detailed Description

Blur node implementation.

Member Function Documentation

◆ acceptsInputType()

bool acceptsInputType ( TypeDesc type ) const

overrideprotectedvirtual

Return if given type is an acceptible input.

Implements ConvolutionNode.

◆ computeSampleOffsetStrings()

void computeSampleOffsetStrings	(	const string &	sampleSizeName,
		const string &	offsetTypeString,
		unsigned int	filterWidth,
		StringVec &	offsetStrings
	)		const

overrideprotectedvirtual

Compute offset strings for sampling.

Implements ConvolutionNode.

◆ emitFunctionCall()

void emitFunctionCall	(	const ShaderNode &	node,
		GenContext &	context,
		ShaderStage &	stage
	)		const

overridevirtual

Emit the function call or inline source code for given node instance in the given context.

Reimplemented from ShaderNodeImpl.

◆ emitFunctionDefinition()

void emitFunctionDefinition	(	const ShaderNode &	node,
		GenContext &	context,
		ShaderStage &	stage
	)		const

overridevirtual

Emit function definition for the given node instance.

Reimplemented from ShaderNodeImpl.

◆ emitSamplingFunctionDefinition()

virtual void emitSamplingFunctionDefinition	(	const ShaderNode &	node,
		GenContext &	context,
		ShaderStage &	stage
	)		const

protectedpure virtual

Emit function definitions for sampling functions used by this node.

Implemented in BlurNodeGlsl.

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

source/MaterialXGenShader/Nodes/BlurNode.h

Public Member Functions

Protected Member Functions

Static Protected Attributes