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Richard Geldreich
2026-02-26 18:03:57 -05:00
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README.md
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@@ -8,7 +8,7 @@ An LDR/HDR portable GPU supercompressed texture transcoding system.
Intro
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Basis Universal™ v2.0 is an open source [supercompressed](http://gamma.cs.unc.edu/GST/gst.pdf) LDR/HDR GPU compressed texture interchange system from Binomial LLC that supports two intermediate file formats: the [.KTX2 open standard from the Khronos Group](https://registry.khronos.org/KTX/specs/2.0/ktxspec.v2.html), and our own ".basis" file format. These file formats support rapid transcoding to virtually any compressed [GPU texture format](https://en.wikipedia.org/wiki/Texture_compression) released over the past quarter century.
Basis Universal™ v2.1 is an open source [supercompressed](http://gamma.cs.unc.edu/GST/gst.pdf) LDR/HDR GPU compressed texture interchange system from Binomial LLC that supports two intermediate file formats: the [.KTX2 open standard from the Khronos Group](https://registry.khronos.org/KTX/specs/2.0/ktxspec.v2.html), and our own ".basis" file format. These file formats support rapid transcoding to virtually any compressed [GPU texture format](https://en.wikipedia.org/wiki/Texture_compression) released over the past quarter century.
## GPU Textures are Infrastructure

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shader_deblocking/README.md
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Many variations and optimizations of this basic idea are possible. *Now shader engineers can directly impact memory consumption.* The better your deblocking shaders are tuned or your specific content, the bigger the ASTC block size you can ship. ASTC texture deblocking pixel shader engineering is now a memory optimization skill.
A simpler, [faster 5 tap filter variant is here](https://pastebin.com/jsF6nUZg). (This shader isn't quite compatible with the currently checked in Python sample, as it uses a new `maxLod` uniform to limit the max fetched mipmap level.) In practice, this simple shader usually looks just as good on most textures/images. ` textureQueryLod()` and `textureSize()` could also be used (with some API's) to simplify the shader further.
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## Performance