[webkit-reviews] review requested: [Bug 36883] Generic parallel painting in WebKit with Qt backend : [Attachment 53242] fifth patch

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Apr 13 06:59:10 PDT 2010


Zoltan Herczeg <zherczeg at webkit.org> has asked	for review:
Bug 36883: Generic parallel painting in WebKit with Qt backend
https://bugs.webkit.org/show_bug.cgi?id=36883

Attachment 53242: fifth patch
https://bugs.webkit.org/attachment.cgi?id=53242&action=review

------- Additional Comments from Zoltan Herczeg <zherczeg at webkit.org>
Ok, now the patch working nicely now. Many web pages can be rendered now, and
Qt doing antialias on QImages, so the pages are nice. There are still missing
GraphicsContext features though, I will finish them soon.

Unfortunately the RenderThemeQt puts QPixmaps to the QPicture, and it cannot be
replayed on the thread. Do you have any idea to avoid these QPixmaps?

We can also experiment with differnt setups, like put the WebKit into a thread,
and do all drawings in the gui thread, or something different. Anyway, is it
really imposible to use QPixmaps in a thread? Is there a workaround for them?
Creating multiple QApplication-s or something?


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