Function Load

samples/test-harness/src/Config.cpp:490–535

* Load and parse the configuration file. */

* Load and parse the configuration file.
*/
bool Load(
    ConfigInfo &config,
    LightInfo &lights,
    Camera &camera,
    std::vector<DDGIVolumeDesc> &descs,
    InputInfo &inputInfo,
    InputOptions &inputOptions,
    RTOptions &rtOptions,
    PostProcessOptions &postOptions,
    VizOptions &vizOptions,
    std::ofstream &log)
{
    // Load the config file
    std::ifstream file(config.filepath, std::ios::ate | std::ios::binary);
    if (!file.is_open())
    {
        log << "Error: failed to load configuration file: '";
        log << config.filepath << "'\n";
        return false;
    }

    // Read the config file to a buffer
    size_t fileSize = (size_t)file.tellg();
    char* buffer = new char[fileSize];

    file.seekg(0);
    file.read(buffer, fileSize);
    file.close();

    // Parse the config file
    bool result = ParseConfig(buffer, config, lights, camera, descs, inputInfo, inputOptions, rtOptions, postOptions, vizOptions, log);

    // Delete the config file buffer
    delete[] buffer;

    // Check the probe ray counts for each volume descriptor
    for (size_t i = 0; i < descs.size(); i++)
    {
        if (descs[i].numRaysPerProbe % descs[i].numIrradianceTexels != 0)
        {
            log << "Warning: numRaysPerProbe is not a multiple of numIrradianceTexels. This is not an optimal configuration when using shared memory during blending.\n";
        }
    }

    return result;
}

/**
* Parse the command line to get the configuration file path.