WebGL Mipmapped Bricks
Learn by looking with this free visual tool. Select mipmap options from the mipmap menu to see the difference on distant bricks between various filters.
Filters from the mipmap menu determine how
to process textures based on their distance from the viewport.
To see the difference, compare bricks in the distance with
selections LINEAR_MIPMAP_LINEAR
versus NEAREST
.
Distant textures appear rougher or smoother, based on mipmap selections.
To learn more see,
What Does Mipmapping Accomplish?.
Tap to Rotate Bricks
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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