We need more render elements to enable baking PBR texture sets

In most modern projects, sooner or later, we increasingly encounter client requests where it is necessary to bake textures, especially for WebGL.

Corona has many excellent features, and some of them have been present in texture baking for a long time. For instance, Corona supports denoising for texture baking, which saves a LOT of rendering time (a feature that even latest Vray currently lacks). But we really miss more bake elements...

The baking tasks are coming from all sides and when you did the scenes for product or interior stills in Corona (and love Corona), it is very frustrating when you cannot further work with it properly.

For example, recently, we worked on numerous interiors and product shots, and then the client requested some objects to be viewed in WebGL. This required us to bake beauty, roughness, normals, and opacity maps.

Currently, we need to plug roughness to basecolor and save it via Corona_DiffuseColor, which is very annoying...

Opacity map can be extracted via alpha in VFB and then some corrections in PS. but is is also far from optimal solution when you need to do more objects and some iterations...
Hope this will be improved...

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Original thread: https://forum.corona-renderer.com/index.php?topic=42408.0