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Jason Simmons e9f7d4b533
[CP-stable][Impeller] Flush the data written to the device buffer by RoundSuperellipseGeometry (#174316) (#174663) 
### Issue Link:

https://github.com/flutter/flutter/issues/174100

### Changelog Description:

Fixes errors seen when rendering superellipses on Impeller.

### Impact Description:

This affects apps like the one in https://github.com/flutter/flutter/issues/174100 that render Cupertino widgets which use superellipses.  The app may show flickering or other artifacts when rendered with Impeller (particularly on the GLES back end).

### Workaround:

Disable Impeller

### Risk:
What is the risk level of this cherry-pick?

### Test Coverage:
Are you confident that your fix is well-tested by automated tests?

### Validation Steps:

Run the app in https://github.com/flutter/flutter/issues/174100 on an Android device and select the Impeller GLES back end.  Confirm that it can scroll without flickering.
2025-08-29 16:00:38 +00:00
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scripts
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src
[CP-stable][Impeller] Flush the data written to the device buffer by RoundSuperellipseGeometry (#174316) (#174663)
2025-08-29 16:00:38 +00:00
README.md
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README.md

Flutter Engine

Setting up the Engine development environment

See here

gclient bootstrap

Flutter engine uses gclient to manage dependencies.

If you've already cloned the flutter repository:

  1. Copy one of the engine/scripts/*.gclient to the root folder as .gclient:
    1. Googlers: copy rbe.gclient to enable faster builds with RBE
    2. Everyone else: copy standard.gclient
  2. run gclient sync from the root folder