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Update README.md

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Rich Geldreich
2026-02-10 12:59:48 -05:00
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shader_deblocking/README.md
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@@ -5,8 +5,12 @@ 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 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.
mipmapping, bilinear filtering, trilinear filtering etc.
It was written to be as simple as possible. It's also possible to add adaptivity
to this shader, so it doesn't blindly blur across sharp edges - like we do while
CPU deblocking before transcoding to BC7 or other LDR texture formats. It's also possible
to add deblocking filter awareness to our ASTC/XUASTC/etc. encoders.
You'll need these Python dependencies to run it:
```