am bad193d9: am 91ac4618: am 0e94cee9: DO NOT MERGE opengl: Fix QemuPipeStream::readFully reading beyond end of buffer

* commit 'bad193d96a7fd8ffea27e5e62c7a77c508fabf34':
  DO NOT MERGE opengl: Fix QemuPipeStream::readFully reading beyond end of buffer