Method SetWrite

layers/sync/sync_access_state.cpp:597–604

Clobber last read and all barriers... because all we have is DANGER, DANGER, WILL ROBINSON!!! if the last_reads/last_write were unsafe, we've reported them, in either case the prior access is irrelevant. We can overwrite them as *this* write is now after them.

// if the last_reads/last_write were unsafe, we've reported them, in either case the prior access is irrelevant.
// We can overwrite them as *this* write is now after them.
void AccessState::SetWrite(SyncAccessIndex access_index, const AttachmentAccess& attachment_access, ResourceUsageTagEx tag_ex,
                           SyncFlags flags) {
    ClearRead();
    if (!last_write.has_value()) {
        last_write.emplace();
    }
    last_write->Set(access_index, attachment_access, tag_ex, flags);
}

void AccessState::ClearWrite() { last_write.reset(); }