Method createFromFile

Source/Falcor/Core/API/Texture.cpp:364–432

}

ref<Texture> Texture::createFromFile(
    ref<Device> pDevice,
    const std::filesystem::path& path,
    bool generateMipLevels,
    bool loadAsSrgb,
    ResourceBindFlags bindFlags,
    Bitmap::ImportFlags importFlags
)
{
    if (!std::filesystem::exists(path))
    {
        logWarning("Error when loading image file. File '{}' does not exist.", path);
        return nullptr;
    }

    ref<Texture> pTex;
    if (hasExtension(path, "dds"))
    {
        try
        {
            pTex = ImageIO::loadTextureFromDDS(pDevice, path, loadAsSrgb);
        }
        catch (const std::exception& e)
        {
            logWarning("Error loading '{}': {}", path, e.what());
        }
    }
    else
    {
        Bitmap::UniqueConstPtr pBitmap = Bitmap::createFromFile(path, kTopDown, importFlags);
        if (pBitmap)
        {
            ResourceFormat texFormat = pBitmap->getFormat();
            if (loadAsSrgb)
            {
                texFormat = linearToSrgbFormat(texFormat);
            }

            pTex = pDevice->createTexture2D(
                pBitmap->getWidth(),
                pBitmap->getHeight(),
                texFormat,
                1,
                generateMipLevels ? Texture::kMaxPossible : 1,
                pBitmap->getData(),
                bindFlags
            );
        }
    }

    if (pTex != nullptr)
    {
        pTex->setSourcePath(path);
        pTex->mImportFlags = importFlags;

        // Log debug info.
        std::string str = fmt::format(
            "Loaded texture: size={}x{} mips={} format={} path={}",