C++ (Cpp) Builder::get_build_time Examples

Example #1

File: assemblytree.cpp Project: Len3d/appleseed

void AssemblyTree::rebuild_assembly_tree()
{
    // Clear the current tree.
    clear();
    m_assembly_instances.clear();

    Statistics statistics;

    // Collect all assembly instances of the scene.
    AABBVector assembly_instance_bboxes;
    collect_assembly_instances(assembly_instance_bboxes);

    RENDERER_LOG_INFO(
        "building assembly tree (%s %s)...",
        pretty_int(m_assembly_instances.size()).c_str(),
        plural(m_assembly_instances.size(), "assembly instance").c_str());

    // Create the partitioner.
    typedef bvh::SAHPartitioner<AABBVector> Partitioner;
    Partitioner partitioner(
        assembly_instance_bboxes,
        AssemblyTreeMaxLeafSize,
        AssemblyTreeInteriorNodeTraversalCost,
        AssemblyTreeTriangleIntersectionCost);

    // Build the assembly tree.
    typedef bvh::Builder<AssemblyTree, Partitioner> Builder;
    Builder builder;
    builder.build<DefaultWallclockTimer>(*this, partitioner, m_assembly_instances.size(), AssemblyTreeMaxLeafSize);
    statistics.insert_time("build time", builder.get_build_time());
    statistics.merge(bvh::TreeStatistics<AssemblyTree>(*this, AABB3d(m_scene.compute_bbox())));

    if (!m_assembly_instances.empty())
    {
        const vector<size_t>& ordering = partitioner.get_item_ordering();
        assert(m_assembly_instances.size() == ordering.size());

        // Reorder the assembly instances according to the tree ordering.
        vector<const AssemblyInstance*> temp_assembly_instances(ordering.size());
        small_item_reorder(
            &m_assembly_instances[0],
            &temp_assembly_instances[0],
            &ordering[0],
            ordering.size());

        // Store assembly instances in the tree leaves whenever possible.
        store_assembly_instances_in_leaves(statistics);
    }

    // Print assembly tree statistics.
    RENDERER_LOG_DEBUG("%s",
        StatisticsVector::make(
            "assembly tree statistics",
            statistics).to_string().c_str());
}