[Webkit-unassigned] [Bug 83972] New: [Chromium] Add TextureUploader which allows us to use persistent GC3D state for texture uploads.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=83972

           Summary: [Chromium] Add TextureUploader which allows us to use
                    persistent GC3D state for texture uploads.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: ASSIGNED
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: reveman at chromium.org
                CC: jamesr at chromium.org, nduca at chromium.org
            Blocks: 81004


This is an initial patch to start cleaning up how texture uploads are handled by CCTextureUpdater. It doesn't change the interaction with LayerTextureUpdater. It just creates a TextureUploader class that is similar to the current TextureCopier class and allows us to add persistent state to the upload machinery so that we can land: https://bugs.webkit.org/show_bug.cgi?id=81004

The plan is to follow up with patches that moves a lot of the upload logic from the LayerTextureUpdater and LayerTexureSubImage to this new TextureUploader class.

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