pub type PFN_glProgramUniform3ui64NV = unsafe extern "system" fn(_program: GLuint, _location: GLint, _x: GLuint64EXT, _y: GLuint64EXT, _z: GLuint64EXT);pub type PFN_glProgramUniform3ui64NV = unsafe extern "system" fn(_program: GLuint, _location: GLint, _x: GLuint64EXT, _y: GLuint64EXT, _z: GLuint64EXT);