[Webkit-unassigned] [Bug 204955] New: Make GPU process create/release a shared IOSurface

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Dec 6 12:07:21 PST 2019


https://bugs.webkit.org/show_bug.cgi?id=204955

            Bug ID: 204955
           Summary: Make GPU process create/release a shared IOSurface
           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

The short team goal is to make this IOSurface accessed by GPU and Web processes. GPU should be able to write to this IOSurface by executing drawing commands or putting data. The Web process should have a read-only access to this IOSurface. So Web process can draw it to a GraphicsContext through an ImageBuffer.

The long term plan is to have this IOSurface is accessible only by the GPU process. The Web process can reference it to the GPU process by its ID but does not have access to its memory.

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