Method initializeNGX

Source/RenderPasses/DLSSPass/NGXWrapper.cpp:106–195

}

void NGXWrapper::initializeNGX(const std::filesystem::path& applicationDataPath, const std::filesystem::path& featureSearchPath)
{
    NVSDK_NGX_Result result = NVSDK_NGX_Result_Fail;

    NVSDK_NGX_FeatureCommonInfo featureInfo = {};
    const wchar_t* pathList[] = {featureSearchPath.c_str()};
    featureInfo.PathListInfo.Length = 1;
    featureInfo.PathListInfo.Path = const_cast<wchar_t**>(&pathList[0]);

    switch (mpDevice->getType())
    {
    case Device::Type::D3D12:
#if FALCOR_HAS_D3D12
        result = NVSDK_NGX_D3D12_Init(kAppID, applicationDataPath.c_str(), mpDevice->getNativeHandle().as<ID3D12Device*>(), &featureInfo);
#endif
        break;
    case Device::Type::Vulkan:
#if FALCOR_HAS_VULKAN
        result = NVSDK_NGX_VULKAN_Init(
            kAppID,
            applicationDataPath.c_str(),
            mpDevice->getNativeHandle(0).as<VkInstance>(),
            mpDevice->getNativeHandle(1).as<VkPhysicalDevice>(),
            mpDevice->getNativeHandle(2).as<VkDevice>(),
            nullptr,
            nullptr,
            &featureInfo
        );
#endif
        break;
    }

    if (NVSDK_NGX_FAILED(result))
    {
        if (result == NVSDK_NGX_Result_FAIL_FeatureNotSupported || result == NVSDK_NGX_Result_FAIL_PlatformError)
        {
            FALCOR_THROW("NVIDIA NGX is not available on this hardware/platform " + resultToString(result));
        }
        else
        {
            FALCOR_THROW("Failed to initialize NGX " + resultToString(result));
        }
    }

    mInitialized = true;

    switch (mpDevice->getType())
    {
    case Device::Type::D3D12:
#if FALCOR_HAS_D3D12
        THROW_IF_FAILED(NVSDK_NGX_D3D12_GetCapabilityParameters(&mpParameters));
#endif
        break;
    case Device::Type::Vulkan:
#if FALCOR_HAS_VULKAN
        THROW_IF_FAILED(NVSDK_NGX_VULKAN_GetCapabilityParameters(&mpParameters));
#endif
        break;