Unity Pass multiple textures(array) into shader?

Question

Right now in my shader, I have 5 textures,

 Properties
     {
         _MainTex ("Texture", 2D) = "white" {}
         _MainTex2("Texture2", 2D) = "white" {}
         _MainTex3 ("Texture3", 2D) = "white" {}
             _MainTex4 ("Texture4", 2D) = "white" {}
             _MainTex5 ("Texture5", 2D) = "white" {}
     }

Is that possible I can make it an array so that I dont need to declare so many textures?

Was about to answer the same, but since this is the answer, which will help future viewers, I'll create an answer from this. — Riaan Walters
– Riaan Walters, Commented Oct 12, 2016 at 6:16

Riaan Walters · Accepted Answer · 2016-10-12 06:14:23Z

1

You can use the 2DArray type which will allow you to do so.

Properties
{
    _TheTextureArray ("Tex", 2DArray) = "" {}
}

You can find more information about it here : https://docs.unity3d.com/Manual/SL-TextureArrays.html

Please do take note of the tech limitations (example, DX11/12) so it will not work on all environments by default, certainly not the web (currently).

answered Oct 12, 2016 at 6:14

Riaan Walters

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