语音3D特效器制作， 获取3D缓冲区对象，最大距离和最小距离等具体设置-3D audio effects device production, access to 3D buffer object, the maximum distance and minimum distance from a specific set

Cogl is a modern 3D graphics API with associated utility APIs designed to expose the features of 3D graphics hardware using a more object oriented design than OpenGL. The library has primarily been driven by the practical needs of Clutter but it is n