[Webkit-unassigned] [Bug 240810] New: [GPU Process] [Filters] Make FilterImage allocate shared memory if it is created in GPUProcess

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=240810

            Bug ID: 240810
           Summary: [GPU Process] [Filters] Make FilterImage allocate
                    shared memory if it is created in GPUProcess
           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

This will be done by subclassing 'PixelBuffer' to a new class named 'ShareablePixelBuffer' and subclassing 'ImageBufferAllocator' to a new class named 'ImageBufferShareableAllocator'. FilterResults takes a std::unique_ptr< ImageBufferAllocator> as input. It passes a reference to it to every FilterImage it creates. FilterImage will use it to create its buffers.

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