Blur node implementation for GLSL. More...

#include <BlurNodeGlsl.h>

Inheritance diagram for BlurNodeGlsl:

Public Member Functions
void	emitSamplingFunctionDefinition (const ShaderNode &node, GenContext &context, ShaderStage &stage) const override
	Emit function definitions for sampling functions used by this node. More...

Public Member Functions inherited from BlurNode
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...

Static Public Member Functions
static ShaderNodeImplPtr	create ()

Additional Inherited Members
Protected Member Functions inherited from BlurNode
	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 (const 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, const TypeDesc *inputType, const string &sampleName, const StringVec &sampleStrings) const
	Output sample array.

Protected Member Functions inherited from ConvolutionNode
	ConvolutionNode ()
	Constructor.

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

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.

Protected Attributes inherited from ShaderNodeImpl
string	_name

size_t	_hash

Static Protected Attributes inherited from BlurNode
static const string	_sampleSizeFunctionUV = "mx_compute_sample_size_uv"
	Name of function to compute sample size in uv space. More...

static const float	_filterSize = 1.0

static const float	_filterOffset = 0.0

static const string	BOX_FILTER = "box"
	Box filter option on blur.

static const string	BOX_WEIGHTS_VARIABLE = "c_box_filter_weights"
	Box filter weights variable name.

static const string	GAUSSIAN_FILTER = "gaussian"
	Gaussian filter option on blur.

static const string	GAUSSIAN_WEIGHTS_VARIABLE = "c_gaussian_filter_weights"
	Gaussian filter weights variable name.

static const string	FILTER_LIST = "box,gaussian"
	List of filters.

static const string	IN_STRING = "in"
	String constants.

static const string	FILTER_TYPE_STRING = "filtertype"

static const string	FILTER_SIZE_STRING = "size"

Detailed Description

Blur node implementation for GLSL.

Member Function Documentation

◆ emitSamplingFunctionDefinition()

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

overridevirtual

Emit function definitions for sampling functions used by this node.

Implements BlurNode.

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

source/MaterialXGenGlsl/Nodes/BlurNodeGlsl.h
source/MaterialXGenGlsl/Nodes/BlurNodeGlsl.cpp

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ emitSamplingFunctionDefinition()