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@knopp knopp commented Aug 17, 2021

Fixes flutter/flutter#88370

Pre-launch Checklist

  • I read the Contributor Guide and followed the process outlined there for submitting PRs.
  • I read the Tree Hygiene wiki page, which explains my responsibilities.
  • I read and followed the Flutter Style Guide and the C++, Objective-C, Java style guides.
  • I listed at least one issue that this PR fixes in the description above.
  • I added new tests to check the change I am making or feature I am adding, or Hixie said the PR is test-exempt. See testing the engine for instructions on
    writing and running engine tests.
  • I updated/added relevant documentation (doc comments with ///).
  • I signed the CLA.
  • All existing and new tests are passing.

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It looks like this pull request may not have tests. Please make sure to add tests before merging. If you need an exemption to this rule, contact Hixie on the #hackers channel in Chat.

If you are not sure if you need tests, consider this rule of thumb: the purpose of a test is to make sure someone doesn't accidentally revert the fix. Ask yourself, is there anything in your PR that you feel it is important we not accidentally revert back to how it was before your fix?

Reviewers: Read the Tree Hygiene page and make sure this patch meets those guidelines before LGTMing.

@google-cla google-cla bot added the cla: yes label Aug 17, 2021
@knopp knopp force-pushed the compositor_no_present_if_no_layers branch from eca079f to 23ee433 Compare August 17, 2021 19:19
@knopp knopp changed the title FlutterCompositor should not call present callback if there are no layers macOS: Do not swap surface if nothing was painted Aug 17, 2021
@knopp knopp requested a review from iskakaushik August 17, 2021 20:41
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LGTM

@knopp knopp force-pushed the compositor_no_present_if_no_layers branch from a0800f5 to 6208216 Compare August 23, 2021 14:59
@iskakaushik iskakaushik added the waiting for tree to go green This PR is approved and tested, but waiting for the tree to be green to land. label Aug 23, 2021
@fluttergithubbot fluttergithubbot merged commit 2bf66b9 into flutter:master Aug 23, 2021
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request Aug 23, 2021
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cla: yes needs tests platform-macos waiting for tree to go green This PR is approved and tested, but waiting for the tree to be green to land.

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macOS: FlutterCompositor should not call present callback if there are no layers

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