[Webkit-unassigned] [Bug 120583] New: Hardware-accelerated rendering fails to round to whole pixels

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sun Sep 1 12:05:30 PDT 2013


           Summary: Hardware-accelerated rendering fails to round to whole
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: fischer.daniel94 at gmail.com

Created an attachment (id=210250)
 --> (https://bugs.webkit.org/attachment.cgi?id=210250&action=review)
Test case

When using something that triggers hardware acceleration, such as translate3d or transitions, translating by a non-whole number of pixels makes the contents blurry.

I've attached a test case and screenshots of how it renders in the latest WebKit and Firefox nightlies. Try it on a non-retina display, as retina displays will show the translations by "half pixels" correctly.

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