DmabufError# Added in version 4.14. class DmabufError# Error enumeration for GdkDmabufTexture. Methods# class DmabufError quark() → int# Registers an error quark for DmabufTexture errors. Fields# class DmabufError CREATION_FAILED# The type of the None singleton. NOT_AVAILABLE# The type of the None singleton. UNSUPPORTED_FORMAT# The type of the None singleton.