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[web] Gracefully handle empty ui.Vertices #162461

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harryterkelsen
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It is valid to create a ui.Vertices object with empty positions. This fixes Flutter Web so we don't crash when we see an empty ui.Vertices object.

Fixes #160355

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If you need help, consider asking for advice on the #hackers-new channel on Discord.

@github-actions github-actions bot added engine flutter/engine repository. See also e: labels. platform-web Web applications specifically labels Jan 30, 2025
@@ -50,6 +50,8 @@ class SurfaceVertices implements ui.Vertices {
return list;
}

bool get isEmpty => positions.isEmpty;
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nit: There could be several empty things: positions, colors, indices. Just isEmpty doesn't seem specific enough?

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Renamed to hasNoPoints for clarity

@harryterkelsen harryterkelsen added the autosubmit Merge PR when tree becomes green via auto submit App label Jan 30, 2025
@auto-submit auto-submit bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Jan 30, 2025
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auto-submit bot commented Jan 30, 2025

autosubmit label was removed for flutter/flutter/162461, because - The status or check suite Linux linux_unopt has failed. Please fix the issues identified (or deflake) before re-applying this label.

@harryterkelsen harryterkelsen added the autosubmit Merge PR when tree becomes green via auto submit App label Jan 30, 2025
@auto-submit auto-submit bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Jan 30, 2025
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auto-submit bot commented Jan 30, 2025

autosubmit label was removed for flutter/flutter/162461, because - The status or check suite Mac mac_host_engine has failed. Please fix the issues identified (or deflake) before re-applying this label.

@harryterkelsen harryterkelsen added the autosubmit Merge PR when tree becomes green via auto submit App label Jan 30, 2025
@auto-submit auto-submit bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Jan 30, 2025
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auto-submit bot commented Jan 30, 2025

autosubmit label was removed for flutter/flutter/162461, because - The status or check suite Linux_android_emu_34 android views has failed. Please fix the issues identified (or deflake) before re-applying this label.

@harryterkelsen harryterkelsen added the autosubmit Merge PR when tree becomes green via auto submit App label Jan 30, 2025
@auto-submit auto-submit bot added this pull request to the merge queue Jan 31, 2025
Merged via the queue into flutter:master with commit 385878e Jan 31, 2025
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@flutter-dashboard flutter-dashboard bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Jan 31, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Feb 1, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Feb 1, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Feb 2, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Feb 2, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Feb 3, 2025
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auto-submit bot pushed a commit to flutter/packages that referenced this pull request Feb 3, 2025
Roll Flutter from b007899 to 8e2a6fc (61 revisions)

flutter/flutter@b007899...8e2a6fc

2025-02-03 58529443+srujzs@users.noreply.github.com Implement hot reload using the DDC library bundle format (flutter/flutter#162498)
2025-02-01 jonahwilliams@google.com [Android] add lint ignores to Flutter JNI. (flutter/flutter#162527)
2025-02-01 codefu@google.com Fix `Linux docs_publish` running at head (flutter/flutter#162557)
2025-02-01 bdero@google.com [Flutter GPU] Breaking: Use exceptions for resource creation errors. (flutter/flutter#162104)
2025-02-01 jonahwilliams@google.com [Impeller] Increase conical gradient precision. (flutter/flutter#162543)
2025-01-31 137456488+flutter-pub-roller-bot@users.noreply.github.com Roll pub packages (flutter/flutter#162542)
2025-01-31 1961493+harryterkelsen@users.noreply.github.com [web] Gracefully handle empty ui.Vertices (flutter/flutter#162461)
2025-01-31 mdebbar@google.com [web] Remove HTML build artifacts (flutter/flutter#162528)
2025-01-31 bkonyi@google.com [ Tool ] Remove use of globals from widget-preview commands (flutter/flutter#162522)
2025-01-31 jason-simmons@users.noreply.github.com Add a special case for the Fuchsia SDK ftl.fidl file in the license script (flutter/flutter#162423)
2025-01-31 jason-simmons@users.noreply.github.com [Impeller] Remove some unused methods from EntityPassClipStack (flutter/flutter#162478)
2025-01-31 15619084+vashworth@users.noreply.github.com Reenable linux_web_engine mac tests on Mac-14 (flutter/flutter#162409)
2025-01-31 yaostyle@gmail.com Fix NavigationRail examples overflow alignment (flutter/flutter#159937)
2025-01-31 engine-flutter-autoroll@skia.org Roll Skia from c1dc5033e7c9 to 4bdf90faf708 (1 revision) (flutter/flutter#162511)
2025-01-31 engine-flutter-autoroll@skia.org Roll Skia from e0941791b86e to c1dc5033e7c9 (1 revision) (flutter/flutter#162504)
2025-01-31 tessertaha@gmail.com [Reland] Fix `Tab` linear and elastic animation blink (#162315) (flutter/flutter#162450)
2025-01-31 120297255+PurplePolyhedron@users.noreply.github.com fix syntax error in comment pseudocode (flutter/flutter#162453)
2025-01-31 engine-flutter-autoroll@skia.org Roll Skia from ec8c632b8c7f to e0941791b86e (1 revision) (flutter/flutter#162502)
2025-01-31 engine-flutter-autoroll@skia.org Roll Skia from a9af2a74c5ab to ec8c632b8c7f (2 revisions) (flutter/flutter#162496)
2025-01-31 137456488+flutter-pub-roller-bot@users.noreply.github.com Roll pub packages (flutter/flutter#162476)
2025-01-31 stuartmorgan@google.com Document flutter/package deps version policy (flutter/flutter#162492)
2025-01-31 magder@google.com Add iOS tool codeowner (flutter/flutter#162167)
2025-01-31 30870216+gaaclarke@users.noreply.github.com Fixed the text aspect ratio (flutter/flutter#162415)
2025-01-31 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Delete `FlutterCommand.usageValues` (#162468)" (flutter/flutter#162494)
2025-01-31 yjbanov@google.com Add new web contributors to web triage doc. (flutter/flutter#162420)
2025-01-30 matanlurey@users.noreply.github.com Fix the build borked in flutter/flutter#162475. (flutter/flutter#162484)
2025-01-30 engine-flutter-autoroll@skia.org Roll Skia from e6daf687b558 to a9af2a74c5ab (5 revisions) (flutter/flutter#162474)
2025-01-30 codefu@google.com Bump `Linux mac_clang_tidy" to 120m timeout (flutter/flutter#162475)
2025-01-30 andrewrkolos@gmail.com Delete `FlutterCommand.usageValues` (flutter/flutter#162468)
2025-01-30 30870216+gaaclarke@users.noreply.github.com Fixed some floating point inaccuracies in TextContents (flutter/flutter#162351)
2025-01-30 mdebbar@google.com Limit number of retries when downloading the Dart SDK on Windows (flutter/flutter#162411)
2025-01-30 bruno.leroux@gmail.com Add FormField.errorBuilder (flutter/flutter#162255)
2025-01-30 tessertaha@gmail.com Fix `Checkbox` default visual density to meet Material 3 guidelines (flutter/flutter#159081)
2025-01-30 jonahwilliams@google.com [Android] add HC++ platform view class. (flutter/flutter#161829)
2025-01-30 victorsanniay@gmail.com Add tests to confirm CupertinoSliverNavigationBar snaps when partially scrolled in .always bottom mode (flutter/flutter#162425)
2025-01-30 jonahwilliams@google.com [Impeller] Disable Vulkan on Emulators. (flutter/flutter#162454)
2025-01-30 34871572+gmackall@users.noreply.github.com [FGP Kotlin conversion] Convert `Deeplink` and `IntentFilterCheck` (flutter/flutter#161835)
2025-01-30 137522957+ChrisCRCB@users.noreply.github.com fix slider semantic label (flutter/flutter#162304)
2025-01-30 engine-flutter-autoroll@skia.org Roll Skia from f22419dbed05 to e6daf687b558 (37 revisions) (flutter/flutter#162447)
2025-01-30 andrewrkolos@gmail.com Fix `flutter doctor` instructions displayed when `cmdline-tools` (Android SDK) cannot be found (flutter/flutter#162281)
2025-01-30 andrewrkolos@gmail.com remove more (simple) usage of package:usage (flutter/flutter#162354)
2025-01-30 jonahwilliams@google.com [Android] HC++ plumbing. (flutter/flutter#162407)
2025-01-30 43054281+camsim99@users.noreply.github.com Removes dev dependencies from generated plugin registrant for non-Android platforms (flutter/flutter#161828)
2025-01-30 38378650+hgraceb@users.noreply.github.com Fix unexpected shown of Scrollbar (flutter/flutter#159386)
2025-01-30 bkonyi@google.com Roll package:vm_service to 15.0.0 and package:leak_tracker to 10.0.9 (flutter/flutter#162325)
2025-01-30 engine-flutter-autoroll@skia.org Roll Fuchsia Test Scripts from r9Dc5VRF6sE3pJH20... to g6IlaYL1_wNmk3zNj... (flutter/flutter#162427)
...
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request May 20, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request May 20, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request May 21, 2025
androidseb pushed a commit to androidseb/packages that referenced this pull request Jun 8, 2025
Roll Flutter from b007899 to 8e2a6fc (61 revisions)

flutter/flutter@b007899...8e2a6fc

2025-02-03 58529443+srujzs@users.noreply.github.com Implement hot reload using the DDC library bundle format (flutter/flutter#162498)
2025-02-01 jonahwilliams@google.com [Android] add lint ignores to Flutter JNI. (flutter/flutter#162527)
2025-02-01 codefu@google.com Fix `Linux docs_publish` running at head (flutter/flutter#162557)
2025-02-01 bdero@google.com [Flutter GPU] Breaking: Use exceptions for resource creation errors. (flutter/flutter#162104)
2025-02-01 jonahwilliams@google.com [Impeller] Increase conical gradient precision. (flutter/flutter#162543)
2025-01-31 137456488+flutter-pub-roller-bot@users.noreply.github.com Roll pub packages (flutter/flutter#162542)
2025-01-31 1961493+harryterkelsen@users.noreply.github.com [web] Gracefully handle empty ui.Vertices (flutter/flutter#162461)
2025-01-31 mdebbar@google.com [web] Remove HTML build artifacts (flutter/flutter#162528)
2025-01-31 bkonyi@google.com [ Tool ] Remove use of globals from widget-preview commands (flutter/flutter#162522)
2025-01-31 jason-simmons@users.noreply.github.com Add a special case for the Fuchsia SDK ftl.fidl file in the license script (flutter/flutter#162423)
2025-01-31 jason-simmons@users.noreply.github.com [Impeller] Remove some unused methods from EntityPassClipStack (flutter/flutter#162478)
2025-01-31 15619084+vashworth@users.noreply.github.com Reenable linux_web_engine mac tests on Mac-14 (flutter/flutter#162409)
2025-01-31 yaostyle@gmail.com Fix NavigationRail examples overflow alignment (flutter/flutter#159937)
2025-01-31 engine-flutter-autoroll@skia.org Roll Skia from c1dc5033e7c9 to 4bdf90faf708 (1 revision) (flutter/flutter#162511)
2025-01-31 engine-flutter-autoroll@skia.org Roll Skia from e0941791b86e to c1dc5033e7c9 (1 revision) (flutter/flutter#162504)
2025-01-31 tessertaha@gmail.com [Reland] Fix `Tab` linear and elastic animation blink (#162315) (flutter/flutter#162450)
2025-01-31 120297255+PurplePolyhedron@users.noreply.github.com fix syntax error in comment pseudocode (flutter/flutter#162453)
2025-01-31 engine-flutter-autoroll@skia.org Roll Skia from ec8c632b8c7f to e0941791b86e (1 revision) (flutter/flutter#162502)
2025-01-31 engine-flutter-autoroll@skia.org Roll Skia from a9af2a74c5ab to ec8c632b8c7f (2 revisions) (flutter/flutter#162496)
2025-01-31 137456488+flutter-pub-roller-bot@users.noreply.github.com Roll pub packages (flutter/flutter#162476)
2025-01-31 stuartmorgan@google.com Document flutter/package deps version policy (flutter/flutter#162492)
2025-01-31 magder@google.com Add iOS tool codeowner (flutter/flutter#162167)
2025-01-31 30870216+gaaclarke@users.noreply.github.com Fixed the text aspect ratio (flutter/flutter#162415)
2025-01-31 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Delete `FlutterCommand.usageValues` (#162468)" (flutter/flutter#162494)
2025-01-31 yjbanov@google.com Add new web contributors to web triage doc. (flutter/flutter#162420)
2025-01-30 matanlurey@users.noreply.github.com Fix the build borked in flutter/flutter#162475. (flutter/flutter#162484)
2025-01-30 engine-flutter-autoroll@skia.org Roll Skia from e6daf687b558 to a9af2a74c5ab (5 revisions) (flutter/flutter#162474)
2025-01-30 codefu@google.com Bump `Linux mac_clang_tidy" to 120m timeout (flutter/flutter#162475)
2025-01-30 andrewrkolos@gmail.com Delete `FlutterCommand.usageValues` (flutter/flutter#162468)
2025-01-30 30870216+gaaclarke@users.noreply.github.com Fixed some floating point inaccuracies in TextContents (flutter/flutter#162351)
2025-01-30 mdebbar@google.com Limit number of retries when downloading the Dart SDK on Windows (flutter/flutter#162411)
2025-01-30 bruno.leroux@gmail.com Add FormField.errorBuilder (flutter/flutter#162255)
2025-01-30 tessertaha@gmail.com Fix `Checkbox` default visual density to meet Material 3 guidelines (flutter/flutter#159081)
2025-01-30 jonahwilliams@google.com [Android] add HC++ platform view class. (flutter/flutter#161829)
2025-01-30 victorsanniay@gmail.com Add tests to confirm CupertinoSliverNavigationBar snaps when partially scrolled in .always bottom mode (flutter/flutter#162425)
2025-01-30 jonahwilliams@google.com [Impeller] Disable Vulkan on Emulators. (flutter/flutter#162454)
2025-01-30 34871572+gmackall@users.noreply.github.com [FGP Kotlin conversion] Convert `Deeplink` and `IntentFilterCheck` (flutter/flutter#161835)
2025-01-30 137522957+ChrisCRCB@users.noreply.github.com fix slider semantic label (flutter/flutter#162304)
2025-01-30 engine-flutter-autoroll@skia.org Roll Skia from f22419dbed05 to e6daf687b558 (37 revisions) (flutter/flutter#162447)
2025-01-30 andrewrkolos@gmail.com Fix `flutter doctor` instructions displayed when `cmdline-tools` (Android SDK) cannot be found (flutter/flutter#162281)
2025-01-30 andrewrkolos@gmail.com remove more (simple) usage of package:usage (flutter/flutter#162354)
2025-01-30 jonahwilliams@google.com [Android] HC++ plumbing. (flutter/flutter#162407)
2025-01-30 43054281+camsim99@users.noreply.github.com Removes dev dependencies from generated plugin registrant for non-Android platforms (flutter/flutter#161828)
2025-01-30 38378650+hgraceb@users.noreply.github.com Fix unexpected shown of Scrollbar (flutter/flutter#159386)
2025-01-30 bkonyi@google.com Roll package:vm_service to 15.0.0 and package:leak_tracker to 10.0.9 (flutter/flutter#162325)
2025-01-30 engine-flutter-autoroll@skia.org Roll Fuchsia Test Scripts from r9Dc5VRF6sE3pJH20... to g6IlaYL1_wNmk3zNj... (flutter/flutter#162427)
...
FMorschel pushed a commit to FMorschel/packages that referenced this pull request Jun 9, 2025
Roll Flutter from b007899 to 8e2a6fc (61 revisions)

flutter/flutter@b007899...8e2a6fc

2025-02-03 58529443+srujzs@users.noreply.github.com Implement hot reload using the DDC library bundle format (flutter/flutter#162498)
2025-02-01 jonahwilliams@google.com [Android] add lint ignores to Flutter JNI. (flutter/flutter#162527)
2025-02-01 codefu@google.com Fix `Linux docs_publish` running at head (flutter/flutter#162557)
2025-02-01 bdero@google.com [Flutter GPU] Breaking: Use exceptions for resource creation errors. (flutter/flutter#162104)
2025-02-01 jonahwilliams@google.com [Impeller] Increase conical gradient precision. (flutter/flutter#162543)
2025-01-31 137456488+flutter-pub-roller-bot@users.noreply.github.com Roll pub packages (flutter/flutter#162542)
2025-01-31 1961493+harryterkelsen@users.noreply.github.com [web] Gracefully handle empty ui.Vertices (flutter/flutter#162461)
2025-01-31 mdebbar@google.com [web] Remove HTML build artifacts (flutter/flutter#162528)
2025-01-31 bkonyi@google.com [ Tool ] Remove use of globals from widget-preview commands (flutter/flutter#162522)
2025-01-31 jason-simmons@users.noreply.github.com Add a special case for the Fuchsia SDK ftl.fidl file in the license script (flutter/flutter#162423)
2025-01-31 jason-simmons@users.noreply.github.com [Impeller] Remove some unused methods from EntityPassClipStack (flutter/flutter#162478)
2025-01-31 15619084+vashworth@users.noreply.github.com Reenable linux_web_engine mac tests on Mac-14 (flutter/flutter#162409)
2025-01-31 yaostyle@gmail.com Fix NavigationRail examples overflow alignment (flutter/flutter#159937)
2025-01-31 engine-flutter-autoroll@skia.org Roll Skia from c1dc5033e7c9 to 4bdf90faf708 (1 revision) (flutter/flutter#162511)
2025-01-31 engine-flutter-autoroll@skia.org Roll Skia from e0941791b86e to c1dc5033e7c9 (1 revision) (flutter/flutter#162504)
2025-01-31 tessertaha@gmail.com [Reland] Fix `Tab` linear and elastic animation blink (#162315) (flutter/flutter#162450)
2025-01-31 120297255+PurplePolyhedron@users.noreply.github.com fix syntax error in comment pseudocode (flutter/flutter#162453)
2025-01-31 engine-flutter-autoroll@skia.org Roll Skia from ec8c632b8c7f to e0941791b86e (1 revision) (flutter/flutter#162502)
2025-01-31 engine-flutter-autoroll@skia.org Roll Skia from a9af2a74c5ab to ec8c632b8c7f (2 revisions) (flutter/flutter#162496)
2025-01-31 137456488+flutter-pub-roller-bot@users.noreply.github.com Roll pub packages (flutter/flutter#162476)
2025-01-31 stuartmorgan@google.com Document flutter/package deps version policy (flutter/flutter#162492)
2025-01-31 magder@google.com Add iOS tool codeowner (flutter/flutter#162167)
2025-01-31 30870216+gaaclarke@users.noreply.github.com Fixed the text aspect ratio (flutter/flutter#162415)
2025-01-31 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Delete `FlutterCommand.usageValues` (#162468)" (flutter/flutter#162494)
2025-01-31 yjbanov@google.com Add new web contributors to web triage doc. (flutter/flutter#162420)
2025-01-30 matanlurey@users.noreply.github.com Fix the build borked in flutter/flutter#162475. (flutter/flutter#162484)
2025-01-30 engine-flutter-autoroll@skia.org Roll Skia from e6daf687b558 to a9af2a74c5ab (5 revisions) (flutter/flutter#162474)
2025-01-30 codefu@google.com Bump `Linux mac_clang_tidy" to 120m timeout (flutter/flutter#162475)
2025-01-30 andrewrkolos@gmail.com Delete `FlutterCommand.usageValues` (flutter/flutter#162468)
2025-01-30 30870216+gaaclarke@users.noreply.github.com Fixed some floating point inaccuracies in TextContents (flutter/flutter#162351)
2025-01-30 mdebbar@google.com Limit number of retries when downloading the Dart SDK on Windows (flutter/flutter#162411)
2025-01-30 bruno.leroux@gmail.com Add FormField.errorBuilder (flutter/flutter#162255)
2025-01-30 tessertaha@gmail.com Fix `Checkbox` default visual density to meet Material 3 guidelines (flutter/flutter#159081)
2025-01-30 jonahwilliams@google.com [Android] add HC++ platform view class. (flutter/flutter#161829)
2025-01-30 victorsanniay@gmail.com Add tests to confirm CupertinoSliverNavigationBar snaps when partially scrolled in .always bottom mode (flutter/flutter#162425)
2025-01-30 jonahwilliams@google.com [Impeller] Disable Vulkan on Emulators. (flutter/flutter#162454)
2025-01-30 34871572+gmackall@users.noreply.github.com [FGP Kotlin conversion] Convert `Deeplink` and `IntentFilterCheck` (flutter/flutter#161835)
2025-01-30 137522957+ChrisCRCB@users.noreply.github.com fix slider semantic label (flutter/flutter#162304)
2025-01-30 engine-flutter-autoroll@skia.org Roll Skia from f22419dbed05 to e6daf687b558 (37 revisions) (flutter/flutter#162447)
2025-01-30 andrewrkolos@gmail.com Fix `flutter doctor` instructions displayed when `cmdline-tools` (Android SDK) cannot be found (flutter/flutter#162281)
2025-01-30 andrewrkolos@gmail.com remove more (simple) usage of package:usage (flutter/flutter#162354)
2025-01-30 jonahwilliams@google.com [Android] HC++ plumbing. (flutter/flutter#162407)
2025-01-30 43054281+camsim99@users.noreply.github.com Removes dev dependencies from generated plugin registrant for non-Android platforms (flutter/flutter#161828)
2025-01-30 38378650+hgraceb@users.noreply.github.com Fix unexpected shown of Scrollbar (flutter/flutter#159386)
2025-01-30 bkonyi@google.com Roll package:vm_service to 15.0.0 and package:leak_tracker to 10.0.9 (flutter/flutter#162325)
2025-01-30 engine-flutter-autoroll@skia.org Roll Fuchsia Test Scripts from r9Dc5VRF6sE3pJH20... to g6IlaYL1_wNmk3zNj... (flutter/flutter#162427)
...
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Creating an empty Vertices object causes an exception on web (canvaskit)
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