DirectX is a collection of application programming interfaces (APIs) developed by Microsoft that give developers with a set of tools for creating and running multimedia applications (particularly games) on Windows platforms.
The software serves as a bridge between hardware and software, enabling developers to access and utilize the advanced features and capabilities of computer hardware, such as graphics cards, sound cards, and input devices. It provides a standardized set of APIs that handle tasks such as rendering graphics, processing audio, and managing input devices, allowing developers to focus on creating immersive and interactive applications. DirectX also encompasses Direct2D and DirectDraw, which are focused on 2D graphics rendering. These APIs are ideal for applications that primarily use 2D graphics, such as 2D games, user interfaces, and graphic design software. They provide efficient and high-performance rendering of 2D graphics, with support for hardware acceleration and advanced rendering effects. The software also includes other APIs and components that enhance the development and performance of multimedia applications. These include DirectShow for multimedia playback and streaming, DirectCompute for general-purpose GPU computing, and DirectSetup for easy installation and management of DirectX components.