Answer by Lumos
Turns out that the second UV set is automatically passed on as the first uv set for the second texture. I am probably not getting something, I must find my own answers.
View ArticleAnswer by gnp89
The answer is in http://answers.unity3d.com/questions/712989/using-texcoord1-in-surface-shader.html You should do it like this: struct Input { float2 uv_MainTex; float2 uv2_OverlayTex; // removed...
View ArticleAnswer by NGC6543
I know this is an old qustion, but I've encountered the similar case so leave a reply here : In my case, we needed to use a separate uv channel for normal on a character cloth. The model was exported...
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