[ 源代码： libepoxy ]
软件包：libepoxy0（1.5.10-1）
OpenGL function pointer management library
It hides the complexity of dlopen(), dlsym(), glXGetProcAddress(), eglGetProcAddress(), etc. from the app developer, with very little knowledge needed on their part. They get to read GL specs and write code using undecorated function names like glCompileShader().