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script: Generate only a single frame during "update the rendering" (#38858)

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Instead of generating a frame for every display list, which might be one
rendered frame per `<iframe>`, generate only a single frame per call to
"update the rendering." This should make rendering more efficient when
there are `<iframe>`s present and also open up optimizations for
non-display list frames.

Testing: This could potentially reduce flashing of content during
rendering
updates, but that is very difficult to test.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
This commit is contained in:
Martin Robinson 2025-08-26 09:09:10 -07:00 • committed by GitHub
parent 4f68508624
commit e7a963cca0
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6 changed files with 40 additions and 10 deletions
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5
components/compositing/compositor.rs
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@ -671,6 +671,11 @@ impl IOCompositor {
transaction
.set_display_list(display_list_info.epoch, (pipeline_id, built_display_list));
self.update_transaction_with_all_scroll_offsets(&mut transaction);
self.global.borrow_mut().send_transaction(transaction);
},
CompositorMsg::GenerateFrame => {
let mut transaction = Transaction::new();
self.generate_frame(&mut transaction, RenderReasons::SCENE);
self.global.borrow_mut().send_transaction(transaction);
},