vr 命令行

Stereo On/Off 开关vr模式 r.SetRes 1920x1080f/w 设置屏幕分辨率和是否满屏 r.ScreenPercentage 180 设置屏幕百分比 t.MaxFPS 90 设置最大帧率 r.HZBOcclusion 0/1  定义使用的遮挡系统。【0】：硬件遮挡查询  【1】：使用HZB遮挡系统（默认情况下，GPU和CPU成本较低，结果更保守） 强制HZB遮挡系统（覆盖渲染平台首选项） r.SSR.Quality Whether to use screen space reflections and at what quality setting. (limits the setting in the post process settings which has a different scale) (costs performance, adds more visual realism but the technique has limits) 0: off (default) 1: low (no glossy) 2: medium (no glossy) 3: high (glossy/using roughness, few samples) 4: very high (likely too slow for real-time)