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  • Hash : 4c5e9d47
    Author : Yuxin Hu
    Date : 2022-06-21T17:12:56

    Do not defer clear if FBO attachment is AHB image
    
    When application uses Android Hardware Buffer (AHB)
    image as the Framebuffer Object (FBO) attachment,
    it is possible the app doesn't call glReadPixels
    to fetch the FBO color. In this case deferred clears
    will not be flushed when the app reads the FBO pixel
    color, and the app will read the old FBO color.
    This CL fixes the issue by flushing the glClear calls
    immediately when any of the FBO color attachments is
    AHB image.
    
    Bug: b/236394768
    Bug: angleproject:7458
    Change-Id: I9151ab57750007c4ac18af39c3fa4abe752ede5e
    Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3715851
    Reviewed-by: Lingfeng Yang <lfy@google.com>
    Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
    Commit-Queue: Yuxin Hu <yuxinhu@google.com>
    Reviewed-by: Charlie Lao <cclao@google.com>
    

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