Mukilan Thiyagarajan 90595e3570 compositing: Support per-Painter operations and message handling (#40788) ...

Currently, only the first `Painter` is used for all operations in the
`Compositor`. This change modifies the compositor API and message
handling to allow routing the operations to the correct `Painter` via a
provided `PainterId` or `WebViewId`.

This change is to enable support for per-`WebView`s `RenderingContext`s.

Testing: This change shouldn't change behavior, so existing WPT tests
should cover it.

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Signed-off-by: Mukilan Thiyagarajan <mukilan@igalia.com>
Signed-off-by: Martin Robinson <mrobinson@igalia.com>
Co-authored-by: Martin Robinson <mrobinson@igalia.com>

2025-11-21 13:15:55 +00:00

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