Ok, now I got this thing working. And yes, I do know what mip-mapping is. But it is not the solution I want. Let´s say I have an atlas (512x512) with 2x2 textures. I want to map 1 polygon (square) on to one of the textures in the atlas, v1: 0x0, v2: 256x0, v3: 256x0, v4: 256x256 (a perfect square). What I want to do now is…