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