** Changed in: oxide
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1426153
Title:
Use a single threaded webview compositor
Status in Oxide:
Fix Released
Bug description:
The webview compositor currently runs on a separate thread - it's like
this because at one stage it looked like Google were going to remove
the single threaded mode. However, they seem to have settled on a
single-threaded browser compositor for now.
A threaded webview compositor has always been unnecessary in Oxide for a few
reasons:
- It doesn't handle any animations, so there are no cases where it needs to
remain responsive if the main thread is blocked.
- It only contains a single visible layer - the delegated frame layer.
Updating this involves the main thread anyway.
- Unlike the renderer main thread which runs arbitrary script, what runs on
the browser main thread is controlled by the embedder and predictable. The
browser main thread should never be busy enough to block the compositor.
- It adds unnecessary complexity.
- It introduces additional thread hops.
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