SDL_GL_SetAttribute (SDL_GL_STEREO, 1);
if (vid_vsync.integer)
SDL_GL_SetAttribute (SDL_GL_SWAP_CONTROL, 1);
else
SDL_GL_SetAttribute (SDL_GL_SWAP_CONTROL, 0);
SDL_GL_SetAttribute (SDL_GL_STEREO, 1);
if (vid_vsync.integer)
SDL_GL_SetAttribute (SDL_GL_SWAP_CONTROL, 1);
else
SDL_GL_SetAttribute (SDL_GL_SWAP_CONTROL, 0);