Method optimize

src/OpenColorIO/OpOptimizers.cpp:611–756

}

void OpRcPtrVec::optimize(OptimizationFlags oFlags)
{
    if (m_ops.empty())
    {
        return;
    }

    if (IsDebugLoggingEnabled())
    {
        std::ostringstream oss;
        oss << std::endl
            << "**" << std::endl
            << "Optimizing Op Vec..." << std::endl
            << SerializeOpVec(*this, 4) << std::endl;

        LogDebug(oss.str());
    }

    const auto originalSize = size();

    // NoOpType can be removed (facilitates conversion to a CPU/GPUProcessor).
    const int total_nooptype = RemoveNoOpTypes(*this);

    if (oFlags == OPTIMIZATION_NONE)
    {
        if (IsDebugLoggingEnabled())
        {
            OpRcPtrVec::size_type finalSize = size();

            std::ostringstream os;
            os << "**" << std::endl;
            os << "Optimized ";
            os << originalSize << "->" << finalSize << ", 1 pass, ";
            os << total_nooptype << " no-op types removed\n";
            os << SerializeOpVec(*this, 4);
            LogDebug(os.str());
        }

        return;
    }

    // Keep dynamic ops using their default values. Remove the ability to modify
    // them dynamically.
    const auto removeDynamic = HasFlag(oFlags, OPTIMIZATION_NO_DYNAMIC_PROPERTIES);
    if (removeDynamic)
    {
        RemoveDynamicProperties(*this);
    }

    // As the input and output bit-depths represent the color processing
    // request and they may be altered by the following optimizations,
    // preserve their values.

    int total_noops         = 0;
    int total_replacedops   = 0;
    int total_identityops   = 0;
    int total_inverseops    = 0;
    int total_combines      = 0;