WebGL Texture Mipmap Options
Learn by looking with this free visual tool. Select mipmap options from the mipmap menu to see the difference on distant squares between various filters.
Select minification filter options from the mipmap menu. Look at squares in the distance to see the difference between various mipmap options. Distant textures appear rougher or smoother, based on mipmap selections.
What Does Mipmapping Accomplish?
Mipmapping allows a closer match between screen pixels and texture pixels. Mipmapping reduces texture resolution for better appearance when displaying polygons at a lower resolution. Mipmapped minification reduces artifacts.
LINEAR_MIPMAP_LINEAR produces smoothest
results for squares in the background.
However LINEAR_MIPMAP_LINEAR also requires
more processing resources.
The NEAREST option uses the least resources, yet renders
with poorer quality too.
Mipmaps are a precalculated texture series, each with progressively lower resolution. Once accomplished, mipmaps may increase rendering speed. The GPU renders lower resolution images for distant polygons and higher resolution images for nearer polygons. There's no need to stretch and shrink images dynamically.
Portions of this inset, were modified from Wikipedia.
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