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LibIPC+Everywhere: Always pass ownership of transferred data to clients

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This has been a longstanding ergonomic issue with our IPC compiler. Non-
trivial types were previously passed by const&. So if we wanted to avoid
expensive copies, we would have to const_cast and move the data.

We now pass ownership of all transferred data to the client subclasses.
This allows us to remove const_cast from these methods, and allows us to
avoid some trivial expensive copies that we didn't bother to const_cast.
This commit is contained in:
Timothy Flynn 2025-03-08 12:22:39 -05:00 • committed by Tim Flynn
parent 0f05aac290
commit cf69f52d53
Notes: github-actions[bot] 2025-03-09 15:15:22 +00:00
23 changed files with 395 additions and 399 deletions
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8
Libraries/LibImageDecoderClient/Client.cpp
View file

@ -57,9 +57,9 @@ NonnullRefPtr<Core::Promise<DecodedImage>> Client::decode_image(ReadonlyBytes en
return promise;
}
void Client::did_decode_image(i64 image_id, bool is_animated, u32 loop_count, Gfx::BitmapSequence const& bitmap_sequence, Vector<u32> const& durations, Gfx::FloatPoint scale, Gfx::ColorSpace const& color_space)
void Client::did_decode_image(i64 image_id, bool is_animated, u32 loop_count, Gfx::BitmapSequence bitmap_sequence, Vector<u32> durations, Gfx::FloatPoint scale, Gfx::ColorSpace color_space)
{
auto const& bitmaps = bitmap_sequence.bitmaps;
auto bitmaps = move(bitmap_sequence.bitmaps);
VERIFY(!bitmaps.is_empty());
auto maybe_promise = m_pending_decoded_images.take(image_id);
@ -82,13 +82,13 @@ void Client::did_decode_image(i64 image_id, bool is_animated, u32 loop_count, Gf
return;
}
image.frames.empend(*bitmaps[i], durations[i]);
image.frames.empend(bitmaps[i].release_value(), durations[i]);
}
promise->resolve(move(image));
}
void Client::did_fail_to_decode_image(i64 image_id, String const& error_message)
void Client::did_fail_to_decode_image(i64 image_id, String error_message)
{
auto maybe_promise = m_pending_decoded_images.take(image_id);
if (!maybe_promise.has_value()) {