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I have a question,How to work about Tiling and offset in texture?

Discussion in 'Universal Render Pipeline' started by Yostar-Gligame, May 6, 2020.

  1. Yostar-Gligame

    Yostar-Gligame

    Joined:
    Jul 15, 2019
    Posts:
    8
    in my custom shader, about texture2D of the tiling and the offset haven't efficiency.
    this is my code:
    Code (CSharp):
    1.  texture2D SPColorTex;
    2. SamplerState sampler_Trilinear_ClampSPColorTex;
    3. SAMPLE_TEXTURE2D(SPColorTex, sampler_Trilinear_ClampSPColorTex, input.uv).xyz
    I wanna dispose of the problem.
    Thanks all!
     
    Yostar-Gligame, May 6, 2020
    #1

  2. peterbay

    peterbay

    Unity Technologies

    Joined:
    Nov 2, 2017
    Posts:
    100
    You can use the TRANSFORM_TEX macro to transform the coordinates according to the texture's tiling and offset. In your case, it would look like this:
    Code (CSharp):
    1. SAMPLE_TEXTURE2D(SPColorTex, sampler_Trilinear_ClampSPColorTex, TRANSFORM_TEX(input.uv, SPColorTex)).xyz
     
    peterbay, May 6, 2020
    #2

  3. Yostar-Gligame

    Yostar-Gligame

    Joined:
    Jul 15, 2019
    Posts:
    8
    it works. Thank you!
     
    Yostar-Gligame, May 19, 2020
    #3
    peterbay likes this.