On Fri, 2018-09-21 at 15:14 +0200, Mathieu Westphal wrote: > Hello Xorg list, > > When using mesa, my Qt OpenGL based application has some transparency > issue. > The OpenGL rendering zone is transparent but it should not be.
You've picked the ARGB visual. Don't. Set GLX_ALPHA_SIZE to 0 in glXChooseFBConfig. > Since Composite is not enabled by default, it is not expected that > this issue will be visible to most users. Whatever documentation this is, is severely out of date. Composite's been enabled by default since xserver 1.4 in 2007 or so. - ajax _______________________________________________ xorg@lists.x.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: https://lists.x.org/mailman/listinfo/xorg Your subscription address: %(user_address)s
