[Webkit-unassigned] [Bug 209647] New: [WPE] Unnecessary gl synchronization when using an OpenMAX video decoder and GLES2

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=209647

            Bug ID: 209647
           Summary: [WPE] Unnecessary gl synchronization when using an
                    OpenMAX video decoder and GLES2
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WPE WebKit
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: magomez at igalia.com
                CC: bugs-noreply at webkitgtk.org

On platforms that use an OpenMAX video decoder (like the rpi3) and GLES2, the call to gst_gl_sync_meta_wait_cpu() (which is internally translated into a glFinish call), causes unnecessary waits when trying to the video frame using gstreamer-gl, reducing the framerate. On these platforms the call to gst_gl_sync_meta_wait_cpu() can be omitted cause we know that OpenGL will ensure that the video frame will be ready when we want to draw it.

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