From the back buffer to the front buffer 通过从后台缓冲区到前台缓冲区的伸展blit实现多级采样。
2.
The view menu also contains a pause blit command that will disable the bitblt to the screen that enables better frame rate distinctions in the blur implementations “视图”菜单还包含一个“ pause blit ”命令，该命令对屏幕禁用bitblt ，从而在模糊实现中支持更佳的帧速率分辨。
