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Question Why can (byte[])Texture2D.GetTextureRawData() acess unreadable texture's data?

Discussion in 'Documentation' started by lang_dye, Feb 26, 2021.

  1. lang_dye


    Aug 9, 2019
    Hi everyone! In the document, we all know scripts can't acess unreadable texture's data, but I found that (byte[])Texture2D.GetTextureRawData() this api still can acess the data and the return data is correct, is it something wrong?
    Code (CSharp):
    1. var mesh = GetComponent<MeshRenderer>();
    2. Material mat = mesh.sharedMaterial;
    3. var tex = (Texture2D)mat.GetTexture("_MainTex");
    4. var data = tex.GetRawTextureData();
    this is my test code, and _MainTex's "Read/Write Enabled" is false. My unity version is 2019.4 LTS.
    so is it a bug of unity document? or is this api special ?