[osg-users] Check if sampler2D is valid in fragment shader

Rômulo Cerqueira romulogcerqueira at gmail.com
Thu Dec 29 08:07:04 PST 2016

Hi Christian,

> You could traverse the scene graph and check the state sets to see if they bind a texture to a texture unit. 
> Then depending on these findings, choose the correct shader code. 

I appreciated it. Can you give me some example?

Thank you!


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