Hi all, I was wondering if there are commonly used conventions which texture units do what in 3D models used for realtime rendering (games etc).
For example I see that most 3D models enable texture unit #1 for the diffuse texture, whereas unit #0 is unused most of the time. Now what if the model also contained a bump or normal map? On which texture unit would such maps typically use? Would anyone have an example OSG file that uses both a diffuse and a normal texture, rendered with the fixed function pipeline? I am trying to get started with normal maps now and this would be a big help, especially if such a model follows the usual conventions. Christian
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