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Question Screen has glitter bug when sampling textures

Discussion in 'General Graphics' started by Middle-earth, Mar 30, 2023.

  1. Middle-earth

    Middle-earth

    Joined:
    Jan 23, 2018
    Posts:
    72
    I use a 128*128 texture,which setting is bilinear without mipmap.
    I use uv=floor(uv*_Tex_TexelSize.zw)/_Tex_TexelSize.zw+_Tex_TexelSize.xy*0.5 to make the uv can only in the center of each pixel,this formula should get the same result as point filter.Actually,the result of sampling shows in picture below,I don't know why there are lots of gillter bug.If set the texture filter to point,the bug would gone.How to solve this glitter bug?
    2023_03_30_18_44.53.jpg
     
    Middle-earth, Mar 30, 2023
    #1