• reveman's avatar
    gpu: Empty swaps for surfaceless output surfaces. · bba53b15
    reveman authored
    This improves hardware overlay support by avoiding updates to the
    primary plane when only overlays are damaged. The previous buffer
    is now reused for the primary plane when damage rect is empty.
    
    An important side-effect of this is that we can always support empty
    swaps without the need for partial updates.
    
    BUG=705290
    CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
    
    Review-Url: https://codereview.chromium.org/2829543003
    Cr-Commit-Position: refs/heads/master@{#466245}
    bba53b15
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