[osg-users] [build] Trouble Building Stable 3.0.1 And Conflicting Newer Libraries

Robert Osfield robert.osfield at gmail.com
Sun Aug 2 00:12:41 PDT 2015

Hi Michael,

On 2 August 2015 at 02:57, Michael Chapman <08kabbotta80 at gmail.com> wrote:

> Oh, that might be the problem. I'm working on an older computer and only
> the legacy open source AMD drivers are available. The graphics card is a
> Radeon X1650 Pro and it only allows up to OpenGL 2.1. Maybe the cessna file
> uses some modern feature that isn't available with the legacy drivers.

The cessna model is about as vanilla OpenGL 1.x as you can get. It's been
part of the OSG data for over a decade without problems.

For an OSG app to lock the whole machine up suggests a driver issue as the
OSG code itself is all just straight forward C++, there aren't any clever
hacks.  On the OpenGL side we just pass data along to OpenGL and let the
driver do what it needs to do.  The drivers themselves are low level with
direct control of hardware and collaborate with the OS at low level so has
lots of potential for bugs to cause major failures.

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