PAC_ALIGNMENT
if (data->length % PAC_ALIGNMENT)
pad = PAC_ALIGNMENT - (data->length % PAC_ALIGNMENT);
assert((pac->pac->Buffers[i].Offset % PAC_ALIGNMENT) == 0);
if (buffer->Offset % PAC_ALIGNMENT) {
assert((buffer->Offset % PAC_ALIGNMENT) == 0);
if (buffer->Offset % PAC_ALIGNMENT ||