Add support for OpenGL (3D graphics)
| Package | “opengl” Flag Description |
|---|---|
| dev-games/mygui | Use the opengl render subsystem. (cannot combine with ogre) |
| dev-python/PyQt5 | Build bindings for the QtOpenGL module |
| media-libs/gst-plugins-base | Enable OpenGL library and plugin via desktop OpenGL API |
| media-plugins/gst-plugins-gtk | Enable gtkglsink OpenGL sink based on desktop OpenGL API |
| media-video/mpv | Enable support for various OpenGL-based video backends |
| x11-libs/cairo | Build the OpenGL backend |
| x11-misc/compton | Enable VSync with SGI_swap_control OpenGL extension |