26 lines
602 B
Markdown
26 lines
602 B
Markdown
[-] Quaternions
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[X] Draw rotated pixels in src order
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[X] Use atan2 at beginning and end of line.
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Interpolation in-between values
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[X] Test pixel perfect 90
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[ ] Fix out-of-bounds pixel set
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[ ] Optimization for square images?
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[X] Fixed point computation?
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[-] -funroll-loops
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# Cache
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[-] Rotate per channel -> no gain
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[ ] Load pixels in 64-bit variable
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[X] Cut image in tiles
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[X] Overlap
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[-] Rotate in one temp tile then copy/move it
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[X] Align tiles in memory
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[-] Align memory -> no gain
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[ ] RGBX format
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[ ] Spiral layout?
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# Quality
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[X] Interpolate using SIMD, SSE (no big gain)
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[ ] Image borders
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