PremultipliedBsdfAddRefactor Class Reference

Replaces BSDF mix nodes with premultiplied add nodes. More...

#include <ShaderGraphRefactor.h>

Inheritance diagram for PremultipliedBsdfAddRefactor:

Public Member Functions
const string &	getName () const override
	Return the name of this refactoring pass.
size_t	execute (ShaderGraph &graph, GenContext &context) override
	Execute the pass on the given graph.

Detailed Description

Replaces BSDF mix nodes with premultiplied add nodes.

Transforms mix(A, B, w) into add(A*w, B*(1-w)) by folding the mix weight into each BSDF's weight input, enabling hardware shading languages to skip BSDF evaluation when the weight is zero.

Member Function Documentation

execute()

size_t execute ( ShaderGraph & graph, GenContext & context )

overridevirtual

Execute the pass on the given graph.

Return the number of graph edits made, or zero if the pass is not applicable to the current context.

Implements ShaderGraphRefactor.

getName()

const string & getName ( ) const

overridevirtual

Return the name of this refactoring pass.

Implements ShaderGraphRefactor.

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

• source/MaterialXGenShader/ShaderGraphRefactor.h