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@bdero bdero commented Apr 24, 2024

Part of flutter/flutter#144640.

Adds support for drawing Flutter GPU textures in the RendererDartTest playground harness.

How to use it

  1. Write a Dart function that creates/schedules rendering ops against a texture, and then pass the texture to the harness by calling setDisplayTexture(Texture).
  2. Stub a test that calls RenderDartToPlayground(name). For example:
    TEST_P(RendererDartTest, CanCreateRenderPassAndSubmit) {
      ASSERT_TRUE(RenderDartToPlayground("canCreateRenderPassAndSubmit"));
    }

When the playground is disabled, RenderDartToPlayground falls back to the old behavior and executes the function once to make sure no unhandled exceptions are thrown.

Capture of Play/RendererDartTest.CanCreateRenderPassAndSubmit/Metal:

Screen.Recording.2024-04-23.at.7.06.06.PM.mov

@bdero bdero requested a review from chinmaygarde April 24, 2024 02:13
@bdero bdero self-assigned this Apr 24, 2024
@bdero bdero changed the title [Flutter GPU] Render RendererDartTests to the playground surface. [Flutter GPU] Add support for drawing Flutter GPU textures in the playground. Apr 24, 2024
@bdero bdero merged commit d794580 into flutter:main Apr 26, 2024
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request Apr 26, 2024
auto-submit bot pushed a commit to flutter/flutter that referenced this pull request Apr 26, 2024
flutter/engine@11a857e...d794580

2024-04-26 bdero@google.com [Flutter GPU] Add support for drawing Flutter GPU textures in the playground. (flutter/engine#52352)

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 jimgraham@google.com,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://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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