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  • Hash : a1143857
    Author : Shahbaz Youssefi
    Date : 2023-12-18T15:24:42

    Fix UBO dirty bits vs PPOs
    
    This change fixes propagation of UBO dirty bits (such as through
    glUniformBlockBinding and glBindBufferRange) to program pipeline
    objects.  Since PPOs concatenate the attached programs' UBOs in a list,
    a map of program UBO indices to PPO UBO indices is introduced to
    offset these dirty bits appropriately.  Additionally, when the program's
    executable's buffer bindings change (through glUniformBlockBinding), a
    notification is send to the PPO to update its executable's buffer
    binding accordingly (which is otherwise only updated during PPO link).
    
    Bug: angleproject:8462
    Change-Id: I4965ae23e6fc6cac0842e1643755e42e95d3d5cc
    Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5131418
    Reviewed-by: Charlie Lao <cclao@google.com>
    Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
    Reviewed-by: Cody Northrop <cnorthrop@google.com>
    

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