John McCutchan b3945f7706 Add a PlatformViewRenderTarget abstraction (flutter/engine#43813) ...

- Introduce PlatformViewRenderTarget interface.
- Refactor VirtualDisplayController and PlatformViewWrapper to extract
SurfaceTexturePlatformViewRenderTarget into a separate class.

In a future CL I will add an ImageReaderPlatformViewRenderTarget which
will enable Platform Views on Impeller/Vulkan.

Tracking issue: https://github.com/flutter/flutter/issues/130892

2023-07-19 20:26:21 -07:00

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src/flutter

Add a PlatformViewRenderTarget abstraction (flutter/engine#43813)

2023-07-19 20:26:21 -07:00