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[Impeller] Limit rrect blur kernel to 1000x1000 #42269

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May 24, 2023

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bdero
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@bdero bdero commented May 23, 2023

Impose the same large limit as the slower 2-pass blur.

Also renames "RRectShadow" to the much less ambiguous "SolidRRectBlur".

Before, a large enough blur sigma would result in nothing getting drawn. The Gaussian integral seems to be working fine against 16bit ops, so no adjustments were needed in the shader.

Screenshot 2023-05-23 at 4 08 41 PM

@bdero bdero self-assigned this May 23, 2023
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LGTM

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Changes reported for pull request #42269 at sha 70213cb

@bdero bdero added the autosubmit Merge PR when tree becomes green via auto submit App label May 24, 2023
@auto-submit auto-submit bot merged commit eebcf36 into flutter:main May 24, 2023
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request May 24, 2023
auto-submit bot pushed a commit to flutter/flutter that referenced this pull request May 24, 2023
…127458)

flutter/engine@aba9dc4...eebcf36

2023-05-24 [email protected] [Impeller] Limit rrect blur kernel to 1000x1000 (flutter/engine#42269)
2023-05-24 [email protected] Add builders for second level cache of builders. (flutter/engine#42271)
2023-05-24 [email protected] [Impeller] remove framebuffer blending from atlas, fix transform scale (flutter/engine#42254)

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],[email protected] on the revert to ensure that a human
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CaseyHillers pushed a commit to CaseyHillers/flutter that referenced this pull request May 24, 2023
…lutter#127458)

flutter/engine@aba9dc4...eebcf36

2023-05-24 [email protected] [Impeller] Limit rrect blur kernel to 1000x1000 (flutter/engine#42269)
2023-05-24 [email protected] Add builders for second level cache of builders. (flutter/engine#42271)
2023-05-24 [email protected] [Impeller] remove framebuffer blending from atlas, fix transform scale (flutter/engine#42254)

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],[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://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
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