Method ValidateFirstUse

layers/sync/sync_op.cpp:1275–1297

}

bool ReplayState::ValidateFirstUse() {
    bool skip = false;
    ResourceUsageRange first_use_range = {0, 0};

    for (const auto& sync_op : recorded_context_.GetSyncOps()) {
        // Set the range to cover all accesses until the next sync_op, and validate
        first_use_range.end = sync_op.tag;
        skip |= DetectFirstUseHazard(first_use_range);

        // Call to replay validate support for syncop with non-trivial replay
        skip |= sync_op.sync_op->ReplayValidate(*this, sync_op.tag);

        // Record the barrier into the proxy context.
        sync_op.sync_op->ReplayRecord(exec_context_, base_tag_ + sync_op.tag);
        first_use_range.begin = sync_op.tag + 1;
    }

    // and anything after the last syncop
    first_use_range.end = ResourceUsageRecord::kMaxIndex;
    skip |= DetectFirstUseHazard(first_use_range);

    return skip;
}
AccessContext* ReplayState::RenderPassReplayState::Begin(VkQueueFlags queue_flags, const SyncOpBeginRenderPass& begin_op_,
                                                         const AccessContext& external_context) {
    const RenderPassAccessContext* rp_context = begin_op_.GetRenderPassAccessContext();