Method load_program_binary

include/boost/compute/program.hpp:601–622

Tries to read program binaries from file cache.

    // Tries to read program binaries from file cache.
    static boost::optional<program> load_program_binary(
            const std::string &hash, const context &ctx
            )
    {
        std::string fname = detail::program_binary_path(hash) + "kernel";
        std::ifstream bfile(fname.c_str(), std::ios::binary);
        if (!bfile) return boost::optional<program>();

        size_t binary_size;
        std::vector<unsigned char> binary;

        bfile.read((char*)&binary_size, sizeof(size_t));

        binary.resize(binary_size);
        bfile.read((char*)binary.data(), binary_size);

        return boost::optional<program>(
                program::create_with_binary(
                    binary.data(), binary_size, ctx
                    )
                );
    }
#endif // BOOST_COMPUTE_USE_OFFLINE_CACHE

private: