Warp wrote:
> 
> [...]
> 
>   I don't understand what would be the use.
>   AFAIK HDRI data have only effect on reflections and global illumination.
> No such things are used in the OpenGL program. When you look directly
> to an unmodified HDRI image, you don't see any difference between it
> and a regular image, and that's basically what is seen in the OpenGL
> program: The environment map itself.

But there is reflection in your OpenGL images - surely faked somehow but
that's not the point.  

Christoph

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