[Webkit-unassigned] [Bug 81786] Initial support fixed position elements in Qt WebKit2

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=81786





--- Comment #27 from Noam Rosenthal <noam.rosenthal at nokia.com>  2012-04-02 20:28:02 PST ---
(From update of attachment 135263)
View in context: https://bugs.webkit.org/attachment.cgi?id=135263&action=review

> Source/WebCore/platform/graphics/texmap/GraphicsLayerTextureMapper.h:105
> +    IntPoint scrollOffset() const { return m_scrollOffset; }
> +    void setScrollOffset(const IntPoint& offset) { m_scrollOffset = offset; }
> +
> +    IntRect visibleContentsRect() const { return m_visibleContentsRect; }
> +    void setVisibleContentsRect(const IntRect& rect) { m_visibleContentsRect = rect; }
> +
> +    FloatSize contentsSize() const { return m_contentsSize; }
> +    void setContentsSize(const FloatSize& size) { m_contentsSize = size; }
> +

Do you really need all of this for all the fixed layers?
Sounds like you need all those variables once for the whole tree, and add it to the layer position when you calculate the transform.

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