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3 Commits

Author SHA1 Message Date
Brandon DeRosier
1c861eb04f [Impeller] Flutter GPU: Add HostBuffer. (flutter/engine#44696) 
Resolves https://github.com/flutter/flutter/issues/132516.

Add `impeller::HostBuffer` wrapper to Flutter GPU.
* Allows for lazy batch uploads of sparse host data to the GPU.
* Handles platform alignment requirements.
* API returns buffer view handles that will be fed to commands.
 2023-08-23 10:09:01 -07:00
Brandon DeRosier
491ce39b6d [Impeller] Flutter GPU: Add context override. (flutter/engine#44566) 
Adds a way to inject a context override, which allows us to test the API
in the Dart playground without spinning up an Engine/Shell.
 2023-08-10 11:54:56 -07:00
Brandon DeRosier
e8e4f8c118 [Impeller] Flutter GPU: Add GpuContext. (flutter/engine#44359) 
Move the GpuContext to its new home. I added a `flutter_tester` test that just verifies an exception is gracefully thrown when Impeller isn't available.

In a later patch, I'll land a way to eagerly supply the Impeller context on the cpp side to enable testing through the playground (as mentioned in https://github.com/flutter/flutter/issues/127712).
 2023-08-07 19:41:57 +00:00