GltfEmbeddedImageFormat enumeration

How glTF exporter will embed the textures during the exporting.

The GltfEmbeddedImageFormat type exposes the following members:

Field	Description
NO_CHANGE	Do not convert the image and keep it as it is.
JPEG	All non-supported images formats will be converted to jpeg if possible.
PNG	All non-supported images formats will be converted to png if possible.