DirectX introduced Cai Junsheng
Microsoft released "DirectX 9.0 with a number of exciting functions"! DirectX gets better image display quality, makes multiplayer games scalable, and better audio effects. DirectX 9.0 performs excellent performance in the following aspects: 1, strengthen interfaces for DirectDraw and Direct3D, simplify application extensions, improve performance 2, improve graphic creative tools, easier to make optimal 3-D roles and environments 3, point-spotted light shadow and pixel light shadow make the image more realistic 4, strengthen DirectSound and DirectMusic, simplify its application extension 5, DLS2 audio success can improve the true sense of musical instrument 6, DirectInput's equipment image The support of the equipment is simpler; 7, DirectPlay has improved the performance and scalability of multiplayer games; 8, DirectPlay provides IP sound communication; 9, DirectShow's application programming interface provides real-time synthesis and instant editing of audio / video 10, DirectShow supports reading and writing of Windows Media Audio and Video (WMA and WMV); 11, Microsoft TV technology can support digital TV programs
DirectX is a graphical application interface (API), it means is not difficult to understand, Direct is direct meaning, X is a lot, add together, a set of things with adding snaps. Microsoft defines that it is "unrelated hardware device, improves very much." DirectX is mainly consisting of several parts: 1, DirectDraw (2D drawing) 2, Direct3D (3D drawing) (Note: DirectDraw and Direct3D have merged) 3, DirectSound 4, DirectMusic (MIDI) 5, DirectInput Input related) 6, DirectPlay (network related) 7, DirectSetup (SETUP) 8, DirectShow 9, DirectX Media Objects (Media Data Stream Object) Microsoft launched WING and WAVEMIX in 1994. Wing has higher speed graphics processing capabilities, WAveMix can play the sound of the eight channels at the same time. Thereafter, Wintoon that can make the image is high speed, but the practicality of these products is not very practical. Always until the WINDOW95 advent, Microsoft has developed DirectX 1.0, and cooperates with hardware manufacturers and gaming vendors to jointly update the standard of upgrading DirectX. With the upgrade of the DirectX version, the functions are getting stronger and DirectX has become the industry standard of the game.
