Method hasValidCache

Source/Falcor/Scene/SceneCache.cpp:218–231

    };

    bool SceneCache::hasValidCache(const Key& key)
    {
        auto cachePath = getCachePath(key);
        if (!std::filesystem::exists(cachePath)) return false;

        // Open file.
        std::ifstream fs(cachePath.c_str(), std::ios_base::binary);
        if (fs.bad()) return false;

        // Verify header.
        Header header;
        fs.read(reinterpret_cast<char*>(&header), sizeof(header));
        return !fs.eof() && header.isValid();
    }

    void SceneCache::writeCache(const Scene::SceneData& sceneData, const Key& key)
    {