OptionalASTCOptionalATCThe string, or file entry object, for an ATC format texture.
OptionalBPTCThe string, or file entry object, for an BPTC format texture.
OptionalETCThe string, or file entry object, for an ETC format texture.
OptionalETC1The string, or file entry object, for an ETC1 format texture.
OptionalIMGThe string, or file entry object, for the fallback image file.
OptionalPVRTCThe string, or file entry object, for an PVRTC format texture.
OptionalRGTCThe string, or file entry object, for an RGTC format texture.
OptionalS3The string, or file entry object, for an S3TC format texture.
OptionalS3The string, or file entry object, for an S3TCSRGB format texture.
The string, or file entry object, for an ASTC format texture.