Compositor
A compositor is a software component or system that combines multiple visual elements, such as windows, graphics, and UI components, into a single output image for display. It is commonly used in graphical user interfaces (GUIs), windowing systems, and game engines to manage rendering, layering, and effects like transparency or animations. By handling the composition of visual layers, it enables efficient screen updates and enhanced visual experiences.
Developers should learn about compositors when working on GUI applications, desktop environments, or embedded systems that require efficient screen management and visual effects. It is essential for optimizing performance in graphics-intensive applications, such as video games or multimedia software, and for implementing features like window transparency, shadows, or smooth animations in modern operating systems.