vrend: Use server side fence wait.
Change to use eglWaitSyncKHR which is a server side fence and it could be sightly better.
Signed-off-by: Lepton Wu lepton@chromium.org
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Change to use eglWaitSyncKHR which is a server side fence and it could be sightly better.
Signed-off-by: Lepton Wu lepton@chromium.org