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Embedders use DisplayListBuilder for compositing#35170
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auto-submit[bot] merged 7 commits intoflutter:mainfrom Aug 4, 2022
Merged
Embedders use DisplayListBuilder for compositing#35170auto-submit[bot] merged 7 commits intoflutter:mainfrom
auto-submit[bot] merged 7 commits intoflutter:mainfrom
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affects: engine
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Looks like the Fuchsia embedder needs to be updated to use the new wrappers as well, but otherwise LGTM. 👍
shell/platform/android/external_view_embedder/external_view_embedder.cc
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| .checkerboard_offscreen_layers = checkerboard_offscreen_layers_, | ||
| .frame_device_pixel_ratio = device_pixel_ratio_, | ||
| .raster_cached_entries = &raster_cache_items_, | ||
| .display_list_enabled = frame.display_list_builder() != nullptr, |
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So if I'm understanding this right, this always ends up being true for Impeller because Impeller's Surfaces always produce SurfaceFrames that have a display list builder, right?
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Yes, it is true iff Impeller is being used.
We might eventually switch to all DLs all the time even for Skia, but that remains to be seen.
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Fixes: flutter/flutter#104025
Labelling a WIP for now until I can test on Android, but I was able to get an embedded Google Map to show underneath the flutter navigation layers on iPhone with this code. Theoretically it will also work for Android.