[Webkit-unassigned] [Bug 131521] Pipe initial scale factor to TileController

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=131521


Simon Fraser (smfr) <simon.fraser at apple.com> changed:

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--- Comment #2 from Simon Fraser (smfr) <simon.fraser at apple.com>  2014-04-10 18:21:08 PST ---
(From update of attachment 229097)
View in context: https://bugs.webkit.org/attachment.cgi?id=229097&action=review

> Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp:2989
> +    if (tiledBacking()) {
> +        float initialScale = (m_client ? m_client->initialPageScaleFactor() : 1) * deviceScaleFactor();
> +        tiledBacking()->setInitialContentsScale(initialScale);
> +    }

This seems like an odd way to get initial scale, and could easily have timing issues. I think we should explicitly get the initial scale from viewport-related information.

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