[Webkit-unassigned] [Bug 237883] New: [GTK][WPE] Use GBMBufferSwapchain in GraphicsContextGLTextureMapperANGLE

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=237883

            Bug ID: 237883
           Summary: [GTK][WPE] Use GBMBufferSwapchain in
                    GraphicsContextGLTextureMapperANGLE
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: zan at falconsigh.net
            Blocks: 237649

For each ANGLE-produced WebGL frame, we'd want to retrieve a dmabuf buffer via GBMBufferSwapchain, impose it as the backing for the texture that's being used as the default framebuffer color attachment, and finally push it into the rendering pipeline once the frame is complete. Upon the next frame the swapchain would provide a different buffer, and the cycle repeats.


Referenced Bugs:

https://bugs.webkit.org/show_bug.cgi?id=237649
[Bug 237649] [Meta][Linux] Adoption of DMABuf as a reference buffer sharing mechanism
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