Comments (2)
richgel999
commented on April 29, 2024
I have verified that the code which is checked in (that scales and divs by 65536) is definitely not producing correct results, by comparing this decoder's output vs. another. The fix is simple:
int quantized = c >> 8;
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richgel999
commented on April 29, 2024
Also, this decoder needs an "sRGB" flag that the user can pass in, because it impacts how the 8-bit endpoints are scaled to 16-bits before the interpolation. Without this you can't correctly validate the codec when sRGB is enabled:
https://www.khronos.org/registry/DataFormat/specs/1.2/dataformat.1.2.html#astc_weight_application
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