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Always update the latest frame target time when the 'Animator::Render' method is called#31973
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…' method is called
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friendly ping |
dnfield
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Mar 21, 2022
shell/common/animator_unittests.cc
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| // It will only be called once even though we call the method Animator::Render | ||
| // twice. because it will only be called when the pipeline is empty. | ||
| // It should always be called when the method 'Animator::Render' is called, |
dnfield
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Mar 21, 2022
| "Animator::Render"); | ||
| frame_timings_recorder_->RecordBuildEnd(fml::TimePoint::Now()); | ||
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| delegate_.OnAnimatorUpdateLatestFrameTargetTime( |
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Is this safe to access without a lock?
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I think it's safe, the lock is in Shell::OnAnimatorUpdateLatestFrameTargetTime
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Sorry, I meant for this comment to be in the line below this (frame_timings_recorder_->GetVsyncTargetTime()
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I see now though that takes a lock by itself.
dnfield
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Mar 21, 2022
| // record the target time for use by rasterizer. | ||
| { | ||
| std::scoped_lock time_recorder_lock(time_recorder_mutex_); | ||
| const fml::TimePoint frame_target_time = |
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Do we still need the lock here?
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I think we still need it, because the Rasterizer will still call Shell::GetLatestFrameTargetTime to access latest_frame_target_time_ on the raster thread.
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…::Render' method is called (flutter/engine#31973)
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tiny patch for #31727
We should always update the latest frame target time when the method 'Animator::Render' is called, regardless of whether the pipeline is empty or not.
Pre-launch Checklist
writing and running engine tests.
///).