SVGA3D_MS_QUALITY_NONE
req_ext.quality_level = SVGA3D_MS_QUALITY_NONE;
if (req->quality_level != SVGA3D_MS_QUALITY_NONE)
req->quality_level = SVGA3D_MS_QUALITY_NONE;
metadata->quality_level = SVGA3D_MS_QUALITY_NONE;