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Khronos Data Format Specification
In the pdf and html, it says:
RED1 =
red1/127.0, red1 > -128
-1.0, **red0** = -128
Probably it should be
RED1 =
red1/127.0, red1 > -128
-1.0, **red1** = -128
Doubled checked with https://www.khronos.org/registry/OpenGL/extensions/EXT/EXT_texture_compression_rgtc.txt
And it seems it should be red1 instead of red0
I think that section 2.3 would benefit from bit-level illustrations and descriptions for computing offsets from coordinates. I think this would be a good complement to the C implementations which are great.
In the first approach (linear tiles?), the bits are combined as follows (modulo lineStride), from lsb to msb.
The Morton order effectively merges (similarly to MergeSort) the bits from the x and y coordinates.
@MarkCallow @fluppeteer and other interested parties: heads-up that I propose to rename the default branch of this repository to 'main' on or after 2021-08-09, following emerging Khronos & github practice. This will have very little impact, although if you have a checked-out repository clone, you may want to follow the simple instructions github will pop up on the repository webpage describing how to do the same locally.
If there is a concern about this, please raise it here by 2021-08-06.
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