am 3f156d73: am 12ee56aa: am 5f27b486: am 53bbb4ff: Merge "docs: OpenGL Dev Guide, fix bug: 6104328" into jb-mr1.1-docs

* commit '3f156d7331a0932755cea431b5c681f451055fdf':
  docs: OpenGL Dev Guide, fix bug: 6104328