[Webkit-unassigned] [Bug 212624] New: SVG filter effect feComposite unexpectedly lightens image using linearRGB

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=212624

            Bug ID: 212624
           Summary: SVG filter effect feComposite unexpectedly lightens
                    image using linearRGB
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: SVG
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: guowei_yang at apple.com
                CC: zimmermann at kde.org

Created attachment 400779

  --> https://bugs.webkit.org/attachment.cgi?id=400779&action=review

SVG example showing the result of feComposite with in linearRGB

When using a feComposite filter effect, the resulting image is lightened when using linearRGB for color interpolation. The attached file shows the color alteration. When using the sRGB for color interpolation, results are consistent across browsers.

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