I have enabled most of the hw acceleration options (GTX 1060). But despite the added #enable-drdc flag Direct Rendering Display Compositor is not enabled. So, the question is in the title.
答案1
I find a conversation about this in https://groups.google.com/a/chromium.org/g/ozone-reviews/c/woK87jkJj_Y?pli=1
It seems that this feature is disabled excluding Android P.