message: Flush 1 range only since index is gone
diff: @@ -51,7 +51,7 @@ void CDraw3DLine::draw(
  if (upStreamBuff->needsManualFlushOrInvalidate())
  {
  auto upStreamMem = upStreamBuff->getBuffer()->getBoundMemory();
  - m_driver->flushMappedMemoryRanges({{ upStreamMem,m_offsets[0],sizes[0] }, { upStreamMem,m_offsets[1],sizes[1] }});
  + m_driver->flushMappedMemoryRanges({{ upStreamMem,m_offsets[0],sizes[0] }});
  }
  auto buff = upStreamBuff->getBuffer();
  