am 280ec983: am b871b1a0: (-s ours) am 3f83b3fd: DO NOT MERGE opengl: Fix QemuPipeStream::readFully reading beyond end of buffer

* commit '280ec983bf8036c82d02582e588faf92b4fbfa6a':
  DO NOT MERGE opengl: Fix QemuPipeStream::readFully reading beyond end of buffer