openGL 入门 2--顶点数组对象 VAO 和 缓存对象 VBO

GLuint *arrays); 返回 n个 顶点数组对象 的名称，这些名称存放与数组 arrays 中 Returns n currently unused names for use as vertex-array When using the value array that is other than zero and was returned from glGenVertexArrays(), a new vertex-array When binding to a previously created vertex-array object, that vertex array object becomes active, which When binding to an array value of zero, OpenGL stops using application-allocated vertex-array objects