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Rich Geldreich
2026-02-10 12:32:41 -05:00
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shader_deblocking/README.md
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Python+GLSL Shader Deblocking Sample
# Python+GLSL Shader Deblocking Sample
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
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# Usage and Controls
Usage:
python testbed.py shader.glsl block_w block_h mip0.png mip1.png [mip2.png ...]
block_w, block_h: Block size in texels (e.g. 8 8 for 8x8 DCT blocks)
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# Credits
The included sunflower image is in the CC0/Public Domain, and was downloaded from here:
https://www.publicdomainpictures.net/en/view-image.php?image=756601&picture=large-yellow-sunflower
"License: CC0 Public Domain - Lynn Greyling has released this “Large Yellow Sunflower” image under Public Domain license."