1149391 - Enable software vsync compositor on Linux

Status: RESOLVED FIXED

(Firefox OS Graveyard :: Performance, defect, P2)

Description

[Mason Chang [Inactive] [:mchang]]

Enable the software vsync compositor on linux. Try: https://treeherder.mozilla.org/#/jobs?repo=try&revision=0be1a982c7fa

Comment 1

[Mason Chang [Inactive] [:mchang]]

Attachment: Enable software vsync compositor on linux

Onto enabling silk everywhere but with software fallbacks on Linux and Fennec. Then we can delete all the old scheduling mechanisms everywhere!

Comment 2

[Mason Chang [Inactive] [:mchang]]

Comment on attachment 8585884 [details] [diff] [review]
Enable software vsync compositor on linux

Review of attachment 8585884 [details] [diff] [review]:
-----------------------------------------------------------------

::: modules/libpref/init/all.js
@@ +4653,5 @@
> +#if defined(XP_LINUX)
> +pref("gfx.vsync.hw-vsync.enabled", true);
> +pref("gfx.vsync.compositor", true);
> +#endif
> +

I know I could merge this with the ifdef for the compositor above, but the refresh driver preferences will merge in that block once we turn on the vsync refresh driver on windows.

Comment 3

[Kartikaya Gupta (email:[e-mail])]

Doesn't this need OMTC enabled first?

Comment 4

[Kartikaya Gupta (email:[e-mail])]

Comment on attachment 8585884 [details] [diff] [review]
Enable software vsync compositor on linux

Clearing for now

Comment 5

[Mason Chang [Inactive] [:mchang]]

Linux nightly on e10s will use OMTC. Linux non-e10s will use the basic layer manager and composite on the main thread. So when we do enable OMTC, it will also use the software vsync compositor. On non-e10s, this should basically be a no-op.

Comment 6

[Mason Chang [Inactive] [:mchang]]

https://hg.mozilla.org/integration/mozilla-inbound/rev/806abeb59e8f

Comment 7

[Wes Kocher (:KWierso) (Not reading bugmail; email directly if needed)]

https://hg.mozilla.org/mozilla-central/rev/806abeb59e8f