The Quartz Compositor is the compositing engine used by macOS. GNOME Shell is tightly integrated with Mutter, a compositing window manager and Wayland compositor. Nowadays DRM is also used by several Wayland compositors, including Weston reference compositor. Blender has a node-based compositor within the rendering pipeline accelerated with OpenCL. In September 1830, Proudhon became certified as a journeyman compositor. Foundry continues the development of Nuke, a node-based compositor. Weston is the reference implementation of a Wayland compositor also developed by the Wayland project. The system's windowing system, Quartz Compositor, supports Metal 2. Mac OS X v10.2 introduced Quartz Extreme&colon; graphics processor (GPU) acceleration for the Quartz Compositor. A Wayland compositor can define and export its own additional interfaces. Since version 20, Enlightenment is also a Wayland compositor. To switch from the X Window System or a Wayland compositor, + + works. A Compositor has an associated instance of a Composition object. He left the school aged 16 without qualifications to become an apprentice compositor. This set of interfaces is the minimum required to be implemented by any Wayland compositor.