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CHANGELOG.md

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Change Log

[1.36.3] - Development

Merged shader code generation and physically-based shading nodes from Autodesk's ShaderX extensions. Added a default MaterialX viewer based on GLSL shader generation.

Added

  • Added the MaterialXGenShader library, supporting shader code generation in GLSL and OSL.
  • Added the MaterialXRender library, providing helper functionality for rendering MaterialX content.
  • Added the MaterialXView library, providing a default MaterialX viewer.
  • Added the physically-based shading node library (libraries/pbrlib).
  • Added a root-level 'resources' folder.
  • Added support for the 'place2d' node.

Changed

  • Moved the MaterialX data libraries from 'documents/Libraries' to 'libraries'.
  • Updated the PyBind11 library to version 2.2.4.

Removed

  • Removed customizations of PyBind11 to support Python 2.6. Only Python versions 2.7 and 3.x are now supported.

[1.36.2] - 2019-03-05

Added

  • Added support for 'nodedef' attributes on MaterialX::Node, integrating this usage into GraphElement::addNodeInstance.
  • Added the MaterialX::GeomPropDef class for geometric input declarations.
  • Added the Document::getGeomAttrValue method.
  • Added the ValueElement::getResolvedValue method.
  • Added support for the MATERIALX_SEARCH_PATH environment variable.
  • Added support for GCC 8 and Clang 7.

Changed

  • Added callbacks Observer::onCopyContent and Observer::onClearContent, and removed callback Observer::onInitialize.
  • Moved the standard document library to the 'documents/Libraries/stdlib' folder.

[1.36.1] - 2018-12-18

Added

  • Added support for interface tokens, including the MaterialX::BindToken class and '[TOKEN]' syntax in filenames.
  • Added support for Clang 6.

Changed

  • Updated geometry token syntax from '%TOKEN' to '<TOKEN>'.
  • Replaced readXIncludes boolean with a readXIncludeFunction callback in the XmlReadOptions structure.
  • Combined individual options into an XmlWriteOptions argument for the XML write functions.
  • Extended functionality of the vector and matrix classes.
  • Updated the PyBind11 library to version 2.2.3.
  • Updated the PugiXML library to version 1.9.

Fixed

  • Fixed graph implementations of range, extract, tiledimage, and ramp4 nodes.

[1.36.0] - 2018-07-23

Updated the MaterialX library to the v1.36 specification.

Added

  • Added support for Element namespaces.
  • Added support for NodeDef inheritance.
  • Added support for root-level node elements.
  • Added support for inheritance attributes on MaterialX::Material and MaterialX::Look.
  • Added support for include and exclude attributes on MaterialX::Collection.
  • Added the MaterialX::Token class for string substitutions.
  • Added the MaterialX::Variant, MaterialX::VariantSet, and MaterialX::VariantAssign classes.
  • Added the MaterialX::GeomPath class for geometry name comparisons.
  • Added the Collection::matchesGeomString method, for testing matches between collections and geometries.
  • Added the Material::getGeometryBindings method, for finding the bindings of a material to specific geometries.

Removed

  • Removed the MaterialX::MaterialInherit and MaterialX::LookInherit classes.
  • Removed the MaterialX::CollectionAdd and MaterialX::CollectionRemove classes.
  • Removed the MaterialX::Override class and support for public names.
  • Removed the 'channels' attribute from MaterialX::InterfaceElement.
  • Removed the Material::getReferencingMaterialAssigns method (deprecated in Python).

[1.35.5] - 2018-05-07

Added

  • Added material inheritance support to graph traversal and the high-level Material API.
  • Added Material methods getActiveShaderRefs and getActiveOverrides.
  • Added PropertySet methods setPropertyValue and getPropertyValue.
  • Added Element methods setInheritsFrom, getInheritsFrom, traverseInheritance, hasInheritanceCycle, and getDescendant.
  • Added function templates MaterialX::fromValueString and MaterialX::toValueString.
  • Added math functionality to the vector and matrix classes.
  • Added support for Visual Studio 2017, GCC 7, and Clang 5.

Changed

  • Renamed Matrix3x3 to Matrix33 and Matrix4x4 to Matrix44.
  • Renamed VectorN::length to VectorN::numElements.
  • Updated the PyBind11 library to version 2.2.1.

[1.35.4] - 2017-12-18

Added

  • Added high-level Material API, including getPrimaryShaderParameters, getPrimaryShaderInputs, getBoundGeomStrings, and getBoundGeomCollections.
  • Added methods ValueElement::getBoundValue and ValueElement::getDefaultValue.
  • Added support for multi-output nodes.
  • Added support for TypeDef members.
  • Added StringResolver class, for applying substring modifiers to data values.
  • Added example interfaces for the Disney BRDF, Disney BSDF, and alSurface shaders.

Changed

  • Renamed method Material::getReferencedShaderDefs to Material::getShaderNodeDefs.
  • Renamed method ShaderRef::getReferencedShaderDef to ShaderRef::getNodeDef.
  • Renamed method Node::getReferencedNodeDef to Node::getNodeDef.
  • Added a 'string' suffix to all accessors for 'node', 'nodedef', and 'collection' strings.
  • Combined individual booleans into an XmlReadOptions argument for the XML read functions.

Removed

  • Removed method Document::applyStringSubstitutions (deprecated in Python).
  • Removed method InterfaceElement::getParameterValueString (deprecated in Python).

[1.35.3] - 2017-10-11

Added

  • Added support for Python 3.
  • Added support for standard TypeDef attributes.
  • Added support for values of type 'stringarray'.
  • Added method Element::setName.
  • Extended Python bindings for Document, NodeGraph, MaterialAssign, and Collection.

Changed

  • Modified NodeGraph::topologicalSort to return elements in a more intuitive top-down order, with upstream elements preceding downstream elements.
  • Removed special cases for string return values in MaterialX Python, with all strings now returned as 'unicode' in Python 2 and 'str' in Python 3.
  • Updated OSL reference implementations.

Fixed

  • Fixed handling of empty names in Element::addChildOfCategory.
  • Fixed an edge case in Document::upgradeVersion.

[1.35.2] - 2017-07-03

Added

  • Added OSL source files for the standard nodes.
  • Added example document 'PostShaderComposite.mtlx'.
  • Added method MaterialX::prependXInclude.

Changed

  • Argument 'writeXIncludes' defaults to true in MaterialX::writeToXmlStream and MaterialX::writeToXmlString.

Fixed

  • Fixed handling of BindInput elements with missing connections.

[1.35.1] - 2017-06-23

Added

  • Added a 'viewercollection' attribute to MaterialX::Visibility.
  • Added Python support for visibility and source URI methods.

Changed

  • Changed naming convention from 'ColorSpace' to 'ColorManagement' in Document methods.
  • Split library document 'mx_stdlib.mtlx' into 'mx_stdlib_defs.mtlx' and 'mx_stdlib_osl_impl.mtlx'.

[1.35.0] - 2017-06-20

Updated the MaterialX library to the v1.35 specification.

Added

  • Added the MaterialX::Visibility class.
  • Added 'file', 'function', and 'language' attributes to MaterialX::Implementation.
  • Added 'node' and 'nodedef' attributes to MaterialX::ShaderRef. In v1.35, these attributes define which NodeDef is referenced by a ShaderRef.
  • Added a 'material' attribute to MaterialX::MaterialAssign. In v1.35, this attribute defines which Material is referenced by a MaterialAssign.

Changed

  • Removed the MaterialX::LightAssign and MaterialX::Light classes. In v1.35, this functionality is now handled by the MaterialX::Visibility class.
  • Removed the 'default' attribute from MaterialX::ValueElement. In v1.35, this functionality is now handled by the 'value' attribute.
  • Replaced the 'matrix' type with 'matrix33' and 'matrix44', and replaced the MaterialX::Matrix16 class with MaterialX::Matrix3x3 and MaterialX::Matrix4x4.
  • Renamed Material::getMaterialAssigns to Material::getReferencingMaterialAssigns.
  • Changed the argument type for MaterialAssign::setExclusive and MaterialAssign::getExclusive to boolean.

[1.34.4] - 2017-06-09

Added

  • Added support for graph-based implementations of nodes.
  • Added support for subtree/subgraph pruning in traversals.
  • Added NodeGraph::topologicalSort and MaterialX::printGraphDot methods.
  • Added a File module to MaterialXFormat and MaterialXTest.

Changed

  • Extended NodeGraph::flattenSubgraphs to support subgraph recursion.
  • Added a searchPath argument to MaterialX::readFromXmlFile.

Fixed

  • Fixed an issue where connecting elements were not returned in graph traversal edges.

[1.34.3] - 2017-05-16

Added

  • Added support for document validation, including the Document::validate and Element::validate methods.
  • Added helper methods ValueElement::getResolvedValueString and Element::getNamePath.
  • Added standard library document.