[Webkit-unassigned] [Bug 77148] [Qt][Texmap] Refactor TextureMapper API to use ImageBuffers when possible.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=77148





--- Comment #6 from Noam Rosenthal <noam.rosenthal at nokia.com>  2012-01-29 22:06:47 PST ---
After some deeper tests with Instruments on Mac, this seems to still create unnecessary image copies on WebKit2.
I've decided to combine it with another patch that switches TextureMapperQt to a cross-platform implementation that uses ImageBuffer instead of QPixmap; Originally I thought of spliitting it to two patches, but a lot of the changes from the first patch don't make sense when the second patch is there...
So I'm working on a patch which moves things around in TextureMapper API and erases a lot of redundant code, but doesn't change any behavior or creates additional copies.

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