Hi Enrico,
On Mon, 2005-04-04 at 11:30 +0200, Enrico Borrione wrote:
> hi OpenSG users,
> i am trying to make a little order in my application
> (the code is getting a bit confused, in time).
> One thing i noticed is that i am still reducing my
> textures from 16 bit to 8 offline. This was due the
> fact that when i first wrote the app, OpenSG still did
> not support the 16 float format.
> Now i'd like to load the textures in their native format
> and then process them during the rendering cycle via
> some appropriate GLSL shaders.
> My problem in: the skybox does not seem to use any
> geo node, so i can't see how can i attach a shader
> to it... It would be pointless to have half the app
> loaded with 16 bit textures and the other half using
> the old code...
> any clue?
You can use the 16 bit textures directly, OpenSG will pass them through
to OpenGL, which I guess will internally convert them to 8 bit. But
without a shader.
To get a shader in there the SkyBackground would need to keep and use a
Material for the background texture. That's a little more work than I
have time for right now. I've added it to the Feature Requests list, but
I can't give you an ETA right now.
Yours
Dirk
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