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[iOS] Improve background layer frame mapping performance#24848

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PureWeen merged 10 commits into
dotnet:mainfrom
albyrock87:sync-sublayer-frame-differently
Dec 10, 2024
Merged

[iOS] Improve background layer frame mapping performance#24848
PureWeen merged 10 commits into
dotnet:mainfrom
albyrock87:sync-sublayer-frame-differently

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@albyrock87

@albyrock87 albyrock87 commented Sep 20, 2024 •
edited by jfversluis
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Important

This PR Obsoletes a couple of methods.

static Microsoft.Maui.Controls.Platform.BrushExtensions.UpdateBackgroundLayer(this UIKit.UIView view) -> void
static Microsoft.Maui.Platform.ViewExtensions.UpdateBackgroundLayerFrame(this UIKit.UIView! view) -> void

Description of Change

Using https://github.com/davidortinau/AllTheLists app, and scrolling through collection view with Border inside we can clearly see that a good amount of time is spent in UpdateBackgroundLayerFrame which is needed to sync the sublayer with the UIView.Layer.

image

This has an impact on both MappingFrame and ContentView.LayoutSubviews:
image

Which translated to these timings
image
image

This PR gets rid of all mapping frame code and simply adds an observer on the sublayer.

As a result we get a lot of improvement (80%):
image
image

While the new observer is super fast
image

Issues Fixed

Fixes #24847
Fixes #26057
Fixes #20218
Closes #26222

@albyrock87 albyrock87 requested a review from a team as a code owner September 20, 2024 14:56
@dotnet-policy-service dotnet-policy-service Bot added the community ✨ Community Contribution label Sep 20, 2024
@PureWeen

PureWeen commented Sep 20, 2024 •
edited by jfversluis
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/azp run

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@albyrock87

albyrock87 commented Sep 21, 2024

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Failing tests definitely unrelated :)

rmarinho
rmarinho reviewed Sep 23, 2024
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Comment thread src/Controls/src/Core/Platform/iOS/Extensions/BrushExtensions.cs
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@albyrock87 albyrock87 changed the base branch from main to net9.0 September 25, 2024 12:51
@albyrock87 albyrock87 force-pushed the sync-sublayer-frame-differently branch from 8947b0b to 9d24253 Compare September 25, 2024 12:51
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@rmarinho rmarinho self-requested a review September 26, 2024 13:28
@rmarinho rmarinho added this to the .NET 9 SR1 milestone Sep 27, 2024
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@github-actions github-actions Bot force-pushed the sync-sublayer-frame-differently branch from 9d24253 to b235d2a Compare October 3, 2024 22:08
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@github-actions github-actions Bot force-pushed the sync-sublayer-frame-differently branch from b235d2a to 9eae070 Compare October 10, 2024 17:10
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@rmarinho rmarinho changed the base branch from net9.0 to main October 19, 2024 23:55
@PureWeen PureWeen removed this from the .NET 9 SR1 milestone Oct 23, 2024
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@albyrock87

albyrock87 commented Nov 27, 2024

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Failed test is unrelated.

@albyrock87 albyrock87 mentioned this pull request Dec 2, 2024
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@albyrock87

albyrock87 commented Dec 6, 2024

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I've included @Tamilarasan-Paranthaman UI test from #26222

@PureWeen PureWeen modified the milestones: .NET 9 SR2, .NET 9 SR3 Dec 6, 2024
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@PureWeen

PureWeen commented Dec 9, 2024

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/rebase

@PureWeen PureWeen assigned PureWeen and jsuarezruiz and unassigned jsuarezruiz Dec 9, 2024
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Comment thread src/Compatibility/Core/src/iOS/Renderers/PageRenderer.cs
@jfversluis jfversluis added the area-drawing Shapes, Borders, Shadows, Graphics, BoxView, custom drawing label Dec 10, 2024
@PureWeen PureWeen requested a review from Copilot December 10, 2024 15:53
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Copilot reviewed 13 out of 28 changed files in this pull request and generated no suggestions.

Files not reviewed (15)
  • src/Controls/tests/TestCases.HostApp/Issues/Issue26057.xaml: Language not supported
  • src/Compatibility/Core/src/iOS/Renderers/FrameRenderer.cs: Evaluated as low risk
  • src/Compatibility/Core/src/iOS/Renderers/PageRenderer.cs: Evaluated as low risk
  • src/Compatibility/Core/src/iOS/VisualElementRenderer.cs: Evaluated as low risk
  • src/Controls/src/Core/Compatibility/Handlers/iOS/FrameRenderer.cs: Evaluated as low risk
  • src/Controls/src/Core/Platform/iOS/Extensions/BrushExtensions.cs: Evaluated as low risk
  • src/Controls/tests/TestCases.HostApp/Issues/Issue24847.cs: Evaluated as low risk
  • src/Controls/tests/TestCases.HostApp/Issues/Issue26057.xaml.cs: Evaluated as low risk
  • src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue24847.cs: Evaluated as low risk
  • src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue26057.cs: Evaluated as low risk
  • src/Core/src/Handlers/View/ViewHandler.iOS.cs: Evaluated as low risk
  • src/Core/src/Platform/iOS/CALayerAutosizeObserver.cs: Evaluated as low risk
  • src/Core/src/Platform/iOS/ContentView.cs: Evaluated as low risk
  • src/Core/src/Platform/iOS/IAutoSizableCALayer.cs: Evaluated as low risk
  • src/Core/src/Platform/iOS/LayerExtensions.cs: Evaluated as low risk

@albyrock87
Revert compatibility changes
f00bfe9
@albyrock87
Merge branch 'main' into sync-sublayer-frame-differently
8a9c659 
# Conflicts:
#	src/Core/src/PublicAPI/net-ios/PublicAPI.Unshipped.txt
#	src/Core/src/PublicAPI/net-maccatalyst/PublicAPI.Unshipped.txt
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PureWeen commented Dec 10, 2024

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/azp run

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@PureWeen

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  • failing test on iOS/Catalyst is a known issue on main and not related to this PR

@PureWeen PureWeen dismissed stale reviews from rmarinho and jsuarezruiz December 10, 2024 22:14

Changes applied

@PureWeen PureWeen merged commit ffb0db2 into dotnet:main Dec 10, 2024
@albyrock87 albyrock87 deleted the sync-sublayer-frame-differently branch December 10, 2024 22:45
@samhouts samhouts added fixed-in-net9.0-nightly This may be available in a nightly release! fixed-in-net8.0-nightly This may be available in a nightly release! labels Dec 16, 2024
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Reviewers

Copilot code review Copilot Copilot left review comments

@PureWeen PureWeen PureWeen approved these changes

@jfversluis jfversluis Awaiting requested review from jfversluis jfversluis was automatically assigned from dotnet/dotnet-maui-reviewers

@tj-devel709 tj-devel709 Awaiting requested review from tj-devel709 tj-devel709 was automatically assigned from dotnet/dotnet-maui-reviewers

@rmarinho rmarinho Awaiting requested review from rmarinho

@jsuarezruiz jsuarezruiz Awaiting requested review from jsuarezruiz

Assignees

@PureWeen PureWeen

@jsuarezruiz jsuarezruiz

Labels

area-drawing Shapes, Borders, Shadows, Graphics, BoxView, custom drawing community ✨ Community Contribution fixed-in-net8.0-nightly This may be available in a nightly release! fixed-in-net9.0-nightly This may be available in a nightly release! p/1 Work that is important, and has been scheduled for release in this or an upcoming sprint perf/general The issue affects performance (runtime speed, memory usage, startup time, etc.) (sub: perf) platform/ios

Projects

MAUI SDK Ongoing
Status: Done

Milestone

.NET 9 SR3

8 participants

@albyrock87 @PureWeen @rmarinho @jsuarezruiz @jfversluis @samhouts @Tamilarasan-Paranthaman