Method ApplyBarrier

layers/sync/sync_op.cpp:1337–1349

}

void SyncEventsContext::ApplyBarrier(const SyncExecScope& src, const SyncExecScope& dst, ResourceUsageTag tag) {
    const bool all_commands_bit = 0 != (src.stage_mask & VK_PIPELINE_STAGE_ALL_COMMANDS_BIT);
    for (auto& event_pair : map_) {
        assert(event_pair.second);  // Shouldn't be storing empty
        auto& sync_event = *event_pair.second;
        // Events don't happen at a stage, so we need to check and store the unexpanded ALL_COMMANDS if set for inter-event-calls
        // But only if occuring before the tag
        if (((sync_event.barriers & src.exec_scope) || all_commands_bit) && (sync_event.last_command_tag <= tag)) {
            sync_event.barriers |= dst.exec_scope;
            sync_event.barriers |= dst.stage_mask & VK_PIPELINE_STAGE_ALL_COMMANDS_BIT;
        }
    }
}

void SyncEventsContext::ApplyTaggedWait(VkQueueFlags queue_flags, ResourceUsageTag tag) {
    const SyncExecScope src_scope =