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Port of stb_image optimized paeth unfiltering#539

Merged

Shnatsel merged 16 commits intoimage-rs:masterimage-rs/image-png:masterfrom Shnatsel:stb-paethShnatsel/image-png:stb-paethCopy head branch name to clipboard

Dec 4, 2024

+69-80

Conversation Commits16 (16)Checks Files changed

Commits

Commits on Dec 1, 2024

Initial port of stb_image PNG paeth unfiltering
Shnatsel
committed
Sneaky fix, you saw nothing
Shnatsel
committed
Don't widen types where it's not necessary
Shnatsel
committed
Restore comment
Shnatsel
committed
Add an equivalence test for the Paeth implementations
Shnatsel
committed
Convert nightly-only portable SIMD path to the stb_image Paeth algorithm
Shnatsel
committed
Drop the explicit SIMD Paeth algorithm, it's faster to use an autovectorized version of the scalar one
Shnatsel
committed
cargo fmt
Shnatsel
committed
ignore the paeth equivalence test by default to avoid inflating CI times
Shnatsel
committed

Commits on Dec 2, 2024

Use the previous Paeth impl on non-x86 platforms
Shnatsel
committed
Drop outdated comment
Shnatsel
committed
Disable unstable bpp=3 and bpp=6 codepaths on non-x86, add comments
Shnatsel
committed
Only build Paeth bpp=3 and bpp=6 routines on x86; fixes build on ARM
Shnatsel
committed
Run tests on ARM on CI
Shnatsel
committed
Run cargo check --features=unstable on ARM too
Shnatsel
committed
Gate the entire SIMD module on x86_64 to reduce the amount of possible configurations in conditional compilation
Shnatsel
committed

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