问个专业问题，关于GPU加速选项各参数的实际意义，泪求大神解答了！

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chrome的各项GPU加速参数
Graphics Feature Status
Canvas: Software only, hardware acceleration unavailable
Compositing: Software only, hardware acceleration unavailable
3D CSS: Unavailable. Hardware acceleration unavailable
CSS Animation: Software only, hardware acceleration unavailable
WebGL: Unavailable. Hardware acceleration unavailable

Flash 3D: Unavailable. Hardware acceleration unavailable
Flash Stage3D: Unavailable. Hardware acceleration unavailable
Texture Sharing: Unavailable. Hardware acceleration unavailable
Video Decode: Software only, hardware acceleration unavailable
Video: Software only, hardware acceleration unavailable
Panel Fitting: Unavailable. Hardware acceleration disabled.
Force Compositing Mode: Unavailable. Hardware acceleration unavailable
想请问下开启与不开启都有什么影响？
WebGL multisampling: Unavailable. Hardware acceleration unavailable比如这个我查到的影响是：对图像边缘进行柔化处理，使图像边缘看起来更平滑，更接近实物。该项可能会降低性能，影响加载速度。

多谢大神解答了！！~~