1GL_EXT_semaphore_win32 2http://www.opengl.org/registry/specs/EXT/external_objects_win32.txt 3GL_EXT_semaphore_win32 4 5 void glImportSemaphoreWin32HandleEXT (GLuint semaphore, GLenum handleType, void *handle) 6 void glImportSemaphoreWin32NameEXT (GLuint semaphore, GLenum handleType, const void *name) 7