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Add a flag to ParagraphBuilder
for rounding hack migration
#43118
Add a flag to ParagraphBuilder
for rounding hack migration
#43118
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ParagraphStyle
is part of dart:ui
which is exposed directly to users, and so I am hesitant to add something temporary like this if we don't have to. I am assuming the plan is to remove this hack completely or shift it to the framework side, and this flag is needed in order to make changes in lock step with the framework. If so, it feels like maybe some sort of global flag that determines this behavior would be easier to remove than piping it through the paragraph style itself, which feels more disruptive to the API overall.
Also, for what it's worth, you probably can just not change any of the skwasm stuff at all. We don't run any framework tests that produce goldens or scubas in Google3 with the skwasm renderer yet, so there are less concerns about the migration there.
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I removed skwasm-related changes and moved the global flag to |
ParagraphStyle
for rounding hack migrationParagraphBuilder
for rounding hack migration
The approach that uses |
…130458) flutter/engine@16e2ab7...1b1ccdd 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from 4e989b1564ee to bedc92598644 (1 revision) (flutter/engine#43617) 2023-07-12 flar@google.com move rtree and canvas_spy sources to Fuchsia sub-directory (flutter/engine#43615) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from 68e3c0b3eea7 to 4e989b1564ee (6 revisions) (flutter/engine#43614) 2023-07-12 ian@hixie.ch Document (and assert) that channel names can't contains nulls (flutter/engine#43593) 2023-07-12 58529443+srujzs@users.noreply.github.com Reland "Refactor JSNumber.toDart and Object.toJS" (flutter/engine#43363) 2023-07-12 31859944+LongCatIsLooong@users.noreply.github.com Add a flag to `ParagraphBuilder` for rounding hack migration (flutter/engine#43118) 2023-07-12 john@johnmccutchan.com [Impeller] Fixes for asymmetric stencil descriptors (flutter/engine#43535) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from adeeb8d50f7c to 68e3c0b3eea7 (1 revision) (flutter/engine#43609) 2023-07-12 flar@google.com Add comment to use of 3x3 mapRect in TransformLayer (flutter/engine#43608) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from a251a36ea519 to adeeb8d50f7c (1 revision) (flutter/engine#43606) 2023-07-12 skia-flutter-autoroll@skia.org Roll Dart SDK from b95f6531c726 to 8f8f281ccdc6 (2 revisions) (flutter/engine#43607) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from ebc149cff431 to a251a36ea519 (2 revisions) (flutter/engine#43604) 2023-07-12 jonahwilliams@google.com [Impeller] Use new SkParagraph APIs for stroked text. (flutter/engine#41735) 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 rmistry@google.com,zra@google.com 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://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
…130496) Roll Flutter Engine from 16e2ab7e986c to b4080361f2f9 (28 revisions) flutter/engine@16e2ab7...b408036 2023-07-13 skia-flutter-autoroll@skia.org Roll Skia from e5ec341bc3ca to 56b68ce6196c (1 revision) (flutter/engine#43633) 2023-07-13 skia-flutter-autoroll@skia.org Roll Dart SDK from f499e91e8cb2 to ade4dae923f3 (1 revision) (flutter/engine#43632) 2023-07-13 skia-flutter-autoroll@skia.org Roll Skia from 811b046c673b to e5ec341bc3ca (1 revision) (flutter/engine#43631) 2023-07-13 ian@hixie.ch Make GOMA state automatic by default (flutter/engine#43584) 2023-07-13 skia-flutter-autoroll@skia.org Roll Skia from c8da0c657c4e to 811b046c673b (3 revisions) (flutter/engine#43630) 2023-07-13 chinmaygarde@google.com [Impeller] Remove unactionable error logs and use structure chains for instance creation. (flutter/engine#43629) 2023-07-13 skia-flutter-autoroll@skia.org Roll Skia from 7f391ea9164e to c8da0c657c4e (1 revision) (flutter/engine#43628) 2023-07-13 chinmaygarde@google.com [Impeller] Add RAII wrappers for VMA objects. (flutter/engine#43626) 2023-07-13 skia-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from 1STsUj0X5YgpiSNEb... to xBJq6PsO5ebblODMe... (flutter/engine#43627) 2023-07-13 skia-flutter-autoroll@skia.org Roll Skia from 6ed93436d57c to 7f391ea9164e (1 revision) (flutter/engine#43625) 2023-07-13 skia-flutter-autoroll@skia.org Roll Dart SDK from 8f8f281ccdc6 to f499e91e8cb2 (3 revisions) (flutter/engine#43623) 2023-07-13 skia-flutter-autoroll@skia.org Roll Fuchsia Mac SDK from 0fvk838jTDNQ_l43k... to 3C7P0w8ySmtqpyi3S... (flutter/engine#43622) 2023-07-13 skia-flutter-autoroll@skia.org Roll Skia from bedc92598644 to 6ed93436d57c (3 revisions) (flutter/engine#43621) 2023-07-13 jonahwilliams@google.com [Impeller] Add support to embedder for Impeller on GL (via Angle on Windows). (flutter/engine#43388) 2023-07-12 jonahwilliams@google.com [Impeller] Allocate buffers out of a pool on the raster thread. (flutter/engine#43564) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from 4e989b1564ee to bedc92598644 (1 revision) (flutter/engine#43617) 2023-07-12 flar@google.com move rtree and canvas_spy sources to Fuchsia sub-directory (flutter/engine#43615) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from 68e3c0b3eea7 to 4e989b1564ee (6 revisions) (flutter/engine#43614) 2023-07-12 ian@hixie.ch Document (and assert) that channel names can't contains nulls (flutter/engine#43593) 2023-07-12 58529443+srujzs@users.noreply.github.com Reland "Refactor JSNumber.toDart and Object.toJS" (flutter/engine#43363) 2023-07-12 31859944+LongCatIsLooong@users.noreply.github.com Add a flag to `ParagraphBuilder` for rounding hack migration (flutter/engine#43118) 2023-07-12 john@johnmccutchan.com [Impeller] Fixes for asymmetric stencil descriptors (flutter/engine#43535) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from adeeb8d50f7c to 68e3c0b3eea7 (1 revision) (flutter/engine#43609) 2023-07-12 flar@google.com Add comment to use of 3x3 mapRect in TransformLayer (flutter/engine#43608) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from a251a36ea519 to adeeb8d50f7c (1 revision) (flutter/engine#43606) 2023-07-12 skia-flutter-autoroll@skia.org Roll Dart SDK from b95f6531c726 to 8f8f281ccdc6 (2 revisions) (flutter/engine#43607) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from ebc149cff431 to a251a36ea519 (2 revisions) (flutter/engine#43604) 2023-07-12 jonahwilliams@google.com [Impeller] Use new SkParagraph APIs for stroked text. (flutter/engine#41735) Also rolling transitive DEPS: fuchsia/sdk/core/linux-amd64 from 1STsUj0X5Ygp to xBJq6PsO5ebb fuchsia/sdk/core/mac-amd64 from 0fvk838jTDNQ to 3C7P0w8ySmtq 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 rmistry@google.com,zra@google.com 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://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md ...
…flutter#43642) Reverts flutter#43118 The incorrect default value (`true` instead of `false`) was used in the PR and that caused internal test failures. I'll add a test before trying to reland.
…lutter#130458) flutter/engine@16e2ab7...1b1ccdd 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from 4e989b1564ee to bedc92598644 (1 revision) (flutter/engine#43617) 2023-07-12 flar@google.com move rtree and canvas_spy sources to Fuchsia sub-directory (flutter/engine#43615) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from 68e3c0b3eea7 to 4e989b1564ee (6 revisions) (flutter/engine#43614) 2023-07-12 ian@hixie.ch Document (and assert) that channel names can't contains nulls (flutter/engine#43593) 2023-07-12 58529443+srujzs@users.noreply.github.com Reland "Refactor JSNumber.toDart and Object.toJS" (flutter/engine#43363) 2023-07-12 31859944+LongCatIsLooong@users.noreply.github.com Add a flag to `ParagraphBuilder` for rounding hack migration (flutter/engine#43118) 2023-07-12 john@johnmccutchan.com [Impeller] Fixes for asymmetric stencil descriptors (flutter/engine#43535) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from adeeb8d50f7c to 68e3c0b3eea7 (1 revision) (flutter/engine#43609) 2023-07-12 flar@google.com Add comment to use of 3x3 mapRect in TransformLayer (flutter/engine#43608) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from a251a36ea519 to adeeb8d50f7c (1 revision) (flutter/engine#43606) 2023-07-12 skia-flutter-autoroll@skia.org Roll Dart SDK from b95f6531c726 to 8f8f281ccdc6 (2 revisions) (flutter/engine#43607) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from ebc149cff431 to a251a36ea519 (2 revisions) (flutter/engine#43604) 2023-07-12 jonahwilliams@google.com [Impeller] Use new SkParagraph APIs for stroked text. (flutter/engine#41735) 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 rmistry@google.com,zra@google.com 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://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
…lutter#130496) Roll Flutter Engine from 16e2ab7e986c to b4080361f2f9 (28 revisions) flutter/engine@16e2ab7...b408036 2023-07-13 skia-flutter-autoroll@skia.org Roll Skia from e5ec341bc3ca to 56b68ce6196c (1 revision) (flutter/engine#43633) 2023-07-13 skia-flutter-autoroll@skia.org Roll Dart SDK from f499e91e8cb2 to ade4dae923f3 (1 revision) (flutter/engine#43632) 2023-07-13 skia-flutter-autoroll@skia.org Roll Skia from 811b046c673b to e5ec341bc3ca (1 revision) (flutter/engine#43631) 2023-07-13 ian@hixie.ch Make GOMA state automatic by default (flutter/engine#43584) 2023-07-13 skia-flutter-autoroll@skia.org Roll Skia from c8da0c657c4e to 811b046c673b (3 revisions) (flutter/engine#43630) 2023-07-13 chinmaygarde@google.com [Impeller] Remove unactionable error logs and use structure chains for instance creation. (flutter/engine#43629) 2023-07-13 skia-flutter-autoroll@skia.org Roll Skia from 7f391ea9164e to c8da0c657c4e (1 revision) (flutter/engine#43628) 2023-07-13 chinmaygarde@google.com [Impeller] Add RAII wrappers for VMA objects. (flutter/engine#43626) 2023-07-13 skia-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from 1STsUj0X5YgpiSNEb... to xBJq6PsO5ebblODMe... (flutter/engine#43627) 2023-07-13 skia-flutter-autoroll@skia.org Roll Skia from 6ed93436d57c to 7f391ea9164e (1 revision) (flutter/engine#43625) 2023-07-13 skia-flutter-autoroll@skia.org Roll Dart SDK from 8f8f281ccdc6 to f499e91e8cb2 (3 revisions) (flutter/engine#43623) 2023-07-13 skia-flutter-autoroll@skia.org Roll Fuchsia Mac SDK from 0fvk838jTDNQ_l43k... to 3C7P0w8ySmtqpyi3S... (flutter/engine#43622) 2023-07-13 skia-flutter-autoroll@skia.org Roll Skia from bedc92598644 to 6ed93436d57c (3 revisions) (flutter/engine#43621) 2023-07-13 jonahwilliams@google.com [Impeller] Add support to embedder for Impeller on GL (via Angle on Windows). (flutter/engine#43388) 2023-07-12 jonahwilliams@google.com [Impeller] Allocate buffers out of a pool on the raster thread. (flutter/engine#43564) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from 4e989b1564ee to bedc92598644 (1 revision) (flutter/engine#43617) 2023-07-12 flar@google.com move rtree and canvas_spy sources to Fuchsia sub-directory (flutter/engine#43615) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from 68e3c0b3eea7 to 4e989b1564ee (6 revisions) (flutter/engine#43614) 2023-07-12 ian@hixie.ch Document (and assert) that channel names can't contains nulls (flutter/engine#43593) 2023-07-12 58529443+srujzs@users.noreply.github.com Reland "Refactor JSNumber.toDart and Object.toJS" (flutter/engine#43363) 2023-07-12 31859944+LongCatIsLooong@users.noreply.github.com Add a flag to `ParagraphBuilder` for rounding hack migration (flutter/engine#43118) 2023-07-12 john@johnmccutchan.com [Impeller] Fixes for asymmetric stencil descriptors (flutter/engine#43535) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from adeeb8d50f7c to 68e3c0b3eea7 (1 revision) (flutter/engine#43609) 2023-07-12 flar@google.com Add comment to use of 3x3 mapRect in TransformLayer (flutter/engine#43608) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from a251a36ea519 to adeeb8d50f7c (1 revision) (flutter/engine#43606) 2023-07-12 skia-flutter-autoroll@skia.org Roll Dart SDK from b95f6531c726 to 8f8f281ccdc6 (2 revisions) (flutter/engine#43607) 2023-07-12 skia-flutter-autoroll@skia.org Roll Skia from ebc149cff431 to a251a36ea519 (2 revisions) (flutter/engine#43604) 2023-07-12 jonahwilliams@google.com [Impeller] Use new SkParagraph APIs for stroked text. (flutter/engine#41735) Also rolling transitive DEPS: fuchsia/sdk/core/linux-amd64 from 1STsUj0X5Ygp to xBJq6PsO5ebb fuchsia/sdk/core/mac-amd64 from 0fvk838jTDNQ to 3C7P0w8ySmtq 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 rmistry@google.com,zra@google.com 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://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md ...
…tion" (#43647) real diff: aedc37a [C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style
…#43118) The goal is to remove the rounding applied in skparagraph and in the framework: flutter/flutter#31707 The plumbing is done via a new static variable `ParagraphBuilder.shouldDisableRoundingHack` that toggles the rounding behavior in skparagraph and the flag is read by framework code. Application code and test code can either use `ParagraphBuilder.setDisableRoundingHack` or `--dart-define="SKPARAGRAPH_REMOVE_ROUNDING_HACK=1"` to opt-in. Once the internal migration is finished the default value of the flag will be set to true. [C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style
…flutter#43642) Reverts flutter#43118 The incorrect default value (`true` instead of `false`) was used in the PR and that caused internal test failures. I'll add a test before trying to reland.
…k migration" (flutter#43647) real diff: flutter@aedc37a [C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style
…flutter#43642) Reverts flutter#43118 The incorrect default value (`true` instead of `false`) was used in the PR and that caused internal test failures. I'll add a test before trying to reland.
…k migration" (flutter#43647) real diff: flutter@aedc37a [C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style
/// | ||
/// Do not rely on this getter as it exists for migration purposes only and | ||
/// will soon be removed. | ||
static bool get shouldDisableRoundingHack { |
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Can we mark this one as @deprecated
to give a stronger signal that it is not to be used? That's how we usually mark temporary things for migration purposes in the framework.
The goal is to remove the rounding applied in skparagraph and in the framework: flutter/flutter#31707
The plumbing is done via a new static variable
ParagraphBuilder.shouldDisableRoundingHack
that toggles the rounding behavior in skparagraph and the flag is read by framework code. Application code and test code can either useParagraphBuilder.setDisableRoundingHack
or--dart-define="SKPARAGRAPH_REMOVE_ROUNDING_HACK=1"
to opt-in.Once the internal migration is finished the default value of the flag will be set to true.
Pre-launch Checklist
///
).If you need help, consider asking for advice on the #hackers-new channel on Discord.