[Mesa-dev] [Bug 92286] Distant geometry renders in front of closer geometry (depth test fail) in DarkRadiant / wxWidgets

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Oct 5 12:49:12 PDT 2015


--- Comment #2 from Roland Scheidegger <sroland at vmware.com> ---
(In reply to MirceaKitsune from comment #1)
> I guess the question of this bug report remains whether Mesa is doing
> something wrong here. On the proprietary video drivers, it's ok to leave the
> attribs parameter of wxGLCanvas empty... but for depth buffering to work on
> Mesa, you must include WX_GL_DEPTH_SIZE and give it a buffer size.
> So if anyone here is familiar with wxWidgets, please take a look at this. If
> you think Mesa is doing the right thing, this report can be closed. I don't
> know enough to decide that, but to me it feels like depth testing being the
> only thing that doesn't work in this scenario denotes a problem.

I'm not familiar with wxWidgets, but this definitely doesn't sound like a mesa
bug. If you don't explicitly request a visual with depth bits, then you may or
may not get a depth buffer, and it looks like it just happens some proprietary
drivers will give you a visual with it but mesa won't.

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