e3e0d3c20a
The first tile on each row seemed to be missing values. This was due to the ‘continue’ statement that would prevent src_rotated_point to be incremented properly.
561 B
561 B
[-] Quaternions [X] Draw rotated pixels in src order [X] Use atan2 at beginning and end of line. Interpolation in-between values [X] Test pixel perfect 90 [ ] Fix out-of-bounds pixel set
[ ] Optimization for square images? [ ] Fixed point computation?
Cache
[-] Rotate per channel -> no gain [ ] Load pixels in uint64-t [X] Cut image in tiles [ ] Overlap? [ ] Rotate in one temp tile then copy/move it [-] Align memory -> no gain
Quality
[X] Interpolate using SIMD, SSE (no big gain) [ ] Image borders
Bugs
[X] first tile on each row is missing