1150223 - Disable vsync compositor on Windows on Gecko 39

Status: RESOLVED FIXED

(Core :: Graphics, defect, P2)

Description

[Mason Chang [Inactive] [:mchang]]

+++ This bug was initially created as a clone of Bug #1147953 +++

To minimize risk to Gecko 39 on Windows and more uplifts, disable the vsync compositor on Windows on Gecko 39.

Comment 1

[Mason Chang [Inactive] [:mchang]]

Attachment: Disable vsync compositor on Gecko 39 on Windows

Requested by Milan to minimize gfx changes in 39.

Comment 2

[Mason Chang [Inactive] [:mchang]]

Comment on attachment 8587014 [details] [diff] [review]
Disable vsync compositor on Gecko 39 on Windows

Approval Request Comment
[Feature/regressing bug #]: Project Silk
[User impact if declined]: High risk of compositor changes that may show unexpected bugs.
[Describe test coverage new/current, TreeHerder]: Mochitests
[Risks and why]: Low, this reverts a late Gecko 39 change.
[String/UUID change made/needed]: None

Comment 3

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

Comment on attachment 8587014 [details] [diff] [review]
Disable vsync compositor on Gecko 39 on Windows

Review of attachment 8587014 [details] [diff] [review]:
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r=me assuming this lands directly on aurora.

Comment 4

[Liz Henry (:lizzard) (relman/hg->git project)]

Comment on attachment 8587014 [details] [diff] [review]
Disable vsync compositor on Gecko 39 on Windows

Approving for uplift to aurora.

Comment 5

[Ryan VanderMeulen [:RyanVM]]

https://hg.mozilla.org/releases/mozilla-aurora/rev/e6c47797b6d3

Comment 6

[Mason Chang [Inactive] [:mchang]]

Uplifted only for aurora. Resolving as this won't hit 40 / central.