[osg-users] Layered rendering with a geometry shader

Voerman, L. l.voerman at rug.nl
Wed May 22 01:21:03 PDT 2019

Hi Chris,
I work almost exclusively with nvidia hardware, but I remember having a
similar problem, that turned out to be related to using triangle strips.
Maybe you can work around by pushing the geometry trough the optimizer to
break triangle strips into triangles?

On Mon, May 20, 2019 at 11:18 PM Chris Djali <krizdjali at gmail.com> wrote:

> Hi,
> I've been playing around with this, and have an annoying issue. On my
> machine, which runs Windows and has a Radeon Vega 56, using three viewports
> with geometry shader instancing makes some triangles go missing in the
> second and third viewports. This happens in my own application and in a
> slightly modified version of the example. It works fine if I do everything
> in a single invocation, or run it on another machine, though, so I'm
> guessing it's a driver bug. I'd report it, but I've not found a place where
> AMD accepts issue reports in the form of a minimal executable reproducing
> the issue rather than a description of the bug and the name of the software
> it happens with. Does anyone have a link or contact at AMD so I can report
> this properly?
> Cheers,
> Chris
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=76119#76119
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