[Webkit-unassigned] [Bug 33150] Do not render the full frame when there is some elements with fixed positioning

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Jan 20 07:34:42 PST 2010


Benjamin Poulain <benjamin.poulain at nokia.com> changed:

           What    |Removed                     |Added
  Attachment #46999|0                           |1
        is obsolete|                            |
  Attachment #46999|review?, commit-queue?      |
               Flag|                            |
  Attachment #47029|                            |review?, commit-queue?
               Flag|                            |

--- Comment #27 from Benjamin Poulain <benjamin.poulain at nokia.com>  2010-01-20 07:34:36 PST ---
Created an attachment (id=47029)
 --> (https://bugs.webkit.org/attachment.cgi?id=47029)
Repaint only the invalidated area after scrolling

Update from the comments:

> Why is this test needed? Isn't it true for all fixed positioned objects in the
> hash?

I added a comment as you suggested on IRC.

> (un)registerFixedPositionedObject would be a better name
> m_fixedPositionedObjects


> Need to remove the FIXME that this patch fixes:
> --// FIXME: A better solution would be to only invalidate the fixed regions
> when scrolling. It's overkill to
> --// prevent the entire view from blitting on a scroll.

Good point :)

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