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[canvaskit] Improve how overlays are optimized#54547
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auto-submit[bot] merged 5 commits intoflutter:mainfrom Aug 15, 2024
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[canvaskit] Improve how overlays are optimized#54547auto-submit[bot] merged 5 commits intoflutter:mainfrom
auto-submit[bot] merged 5 commits intoflutter:mainfrom
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yjbanov
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Aug 14, 2024
| /// | ||
| /// [paramsForViews] is required to compute the bounds of the platform views. | ||
| // TODO(harryterkelsen): Extend this to work for any sequence of platform views | ||
| // and pictures. |
| // it intersects with is "P_0", so we create a new render canvas and add "P_0" | ||
| // to it. | ||
| // The first picture is added to the rendering in a new render canvas. | ||
| RenderingRenderCanvas tentativeCanvas = RenderingRenderCanvas(); |
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Can't quite parse all the possible situations when the loop below can exit. Is there a chance of the initial tentativeCanvas to never be used? If so, do we need to dispose of any resources it might be holding onto?
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It's possible for the tentativeCanvas to never be used. A RenderingRenderCanvas doesn't have any resources that need to be cleaned up until they are actually used and assigned a real RenderCanvas to paint their pictures to. Before that, they are basically just a list of pictures.
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flutter/engine@8f3f80e...65fd6ca 2024-08-15 [email protected] [canvaskit] Improve how overlays are optimized (flutter/engine#54547) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll Please CC [email protected],[email protected] on the revert to ensure that a human is aware of the problem. To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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) flutter/engine@8f3f80e...65fd6ca 2024-08-15 [email protected] [canvaskit] Improve how overlays are optimized (flutter/engine#54547) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll Please CC [email protected],[email protected] on the revert to ensure that a human is aware of the problem. To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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) flutter/engine@8f3f80e...65fd6ca 2024-08-15 [email protected] [canvaskit] Improve how overlays are optimized (flutter/engine#54547) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll Please CC [email protected],[email protected] on the revert to ensure that a human is aware of the problem. To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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Enhances the overlay optimization by pushing new pictures to the earliest RenderCanvas they can go into. This improvement is made especially clear in the new test case I added to
embedded_views_test.dart, with the previous algorithm we would have used an overlay for each platform view even though all of the pictures could go into the base canvas with no issue.Pre-launch Checklist
///).If you need help, consider asking for advice on the #hackers-new channel on Discord.