[osg-users] OpenGL 3.1 at GDC

Jan Ciger jan.ciger at gmail.com
Sun Mar 29 05:40:32 PDT 2009

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hannes_b at gmx.at wrote:
> if osg wants to address the game market it needs to have advantages and
> these have to be communicated.

Hannes, I do not see anyone saying that the goal of OSG is to be a game
engine :( I think that is the main problem with your arguments. OSG
*can* be used within a game engine (e.g. Delta3D), but it is not its
main target.

Furthermore, game engines are a much more than a scenegraph (which is
what OSG is). It would be a very hard sell to convince someone like
Valve that they have to abandon all their DirectX-centric content
production pipeline just to use OSG. There is ton of other middleware
these companies use that is developed to work with DirectX and would
have to be either adapted or replaced with OpenGL enabled versions
(SpeedTree, Havoc ...)

Then add the issues of driver support and all that and unless you are
developing the game for both Mac and Windows that will need to be
actively supported for 4-5 years at least, OpenGL is simply a no-starter
there economically. It could be a more viable option for starting
studios which do not have an entrenched pipeline yet, but then we are
not talking Valve or EA anymore ..


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