xwininfo/xdpyinfo seems to confirm the red and blue channels are reversed for GLX windows:
visual: visual id: 0xb4 class: TrueColor depth: 24 planes available colormap entries: 256 per subfield red, green, blue masks: 0xff0000, 0xff00, 0xff significant bits in color specification: 8 bits versus non-GLX windows: visual: visual id: 0x28 class: TrueColor depth: 24 planes available colormap entries: 256 per subfield red, green, blue masks: 0xff, 0xff00, 0xff0000 significant bits in color specification: 8 bits However the problem is not as simple as changing a pixel format. Xmir is running in rooted mode, so we only get to choose one visual for the whole display at start-up. So we need to find a way to force GLX to use the correct visual, or to force XComposite to mix the colours correctly. Because it's really out of Mir's control... -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1573470 Title: BQ M10 tablet. Libreoffice Impress display wrong colors To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1573470/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp