[osg-users] obj plugin does not support diffuse and specular texture maps

[Robert Osfield]

Hi Ralf,

osgUtil::ShaderGen will be deprecated by the shader_pipeline functionality,
the ability of toggling GLSL features on and off will be possible by
toggling GL style modes that map to #define's.  The shader_pipeline branch
already has the abilty to toggle features on/off this way.

For the .obj plugin I think one would want to make sure loads the obj data
properly and makes it possible post processing to enable shader
functionality that maps what the data suggest is appropriate.  I don't
think it would be appropriate to push shader functionality into the obj
plugin to handle this, or for the ShaderGen itself to be worked on when
it's not far away from being replaced.

Robert.
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