Added Image Catalogue node (#2077)
Key features include:
Loading, exporting, removing, and renaming images on disk.
Receiving renders from an InteractiveRender node, automatically combining multiple AOVs into a single image stream.
Snapshot (copying) images, including in-progress renders.
Adding notes to images.
Drag ‘n’ drop of any other image node into the image list to snapshot it and add it to the catalogue.
OSL ShadingEngine : Added ‘shading:index’ special attr to getattribute (#2067)
This can be used to fetch the index of the current shading point.