[Webkit-unassigned] [Bug 248193] New: [Filters] Control applying the Filter by a new enum named FilterMode

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=248193

            Bug ID: 248193
           Summary: [Filters] Control applying the Filter by a new enum
                    named FilterMode
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sabouhallawa at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

RenderingMode has been used to control whether the Filter should use accelerated or unaccelerated ImageBuffers. To support extended CoreGraphics filters, we need even a new way to apply the filter which does not require creating temporary ImageBuffers.

FilterMode will be used for this purpose. FilterEffect and Filter will now provide OptionSet<FilterMode> telling which modes they support. The Settings will provide a preferred FilterMode. Filter will fallback to FilterMode::Software if it does not support the preferred FilterMode.

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