Published on: 2025-07-08 13:17:14
Mipmap selection in too much detail In this post, I want to shed some light on something I’ve been wondering about for a while: How exactly are mipmap levels selected when sampling textures on the GPU? If you already know what mipmapping is, why we use it, and what pixel derivatives ( ddx() / ddy() ) are, you can skip to the section Derivatives to mipmap levels. The post does, however, assume some knowledge of graphics programming. Mipmapping primer A very common operation in shaders is textu
Keywords: dx dy mipmap partial texture
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