packed_call_t* glCopyPackedCall(const packed_call_t *packed) {
    switch (packed->format) {
        {% for f in formats %}
        case FORMAT_{{ f.types }}: {
            int sizeofpacked = sizeof(PACKED_{{ f.types }});
            PACKED_{{ f.types }} *newpacked = (PACKED_{{ f.types }}*)malloc(sizeofpacked);
            memcpy(newpacked, packed, sizeofpacked);
            return (packed_call_t*)newpacked;
            break;
        }
        {% endfor %}
    }
}