Update README.md

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Rich Geldreich
2026-02-10 12:57:20 -05:00
committed by GitHub
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This sample demonstrates how to use a simpler pixel shader to greatly reduce
ASTC block artifacts, which can be quite noticeable when the block size goes
beyond roughly 6x6. The shader determines if it's going to sample near an edge,
and if so it samples a small vertical and horizontal region around the texel
and if so it samples a small vertical and horizontal region around the center sample
and applies a small low pass filter. The example shader is compatible with
mipmapping, bilinear filtering, trilinear filtering etc. It was written to
be as simple as possible.