   MultiSampling in SDL
  hihow can i use multisampling in the SDL?   
  See SDL_GL_SetAttribute and SDL_GLattr.   ;  i'm trying to use SDL_GL_SetAttribute but i can do it :( please help me with an example source code( for SDL)   ;  SDL_GL_SetAttribute( SDL_GL_MULTISAMPLEBUFFERS, intended_multisamplebuffers ) = 1SDL_GL_SetAttribute( SDL_GL_MULTISAMPLESAMPLES, intended_multisamplesamples ) = 4+ glEnable( GL_MULTISAMPLE )