[libcamera-devel,v2,0/5] ipa: ipu3: af: Small improvements
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Message ID 20220323135614.865252-1-kieran.bingham@ideasonboard.com
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Kieran Bingham March 23, 2022, 1:56 p.m. UTC 
Following review of the IPU3 Af implementation, the following additional
improvements were identified.

No functional change to the running of the algorithm is intended or
expected, though this does remove a memcpy, and adapts to use a Span for
range based iterators, as well as hopefully make it easier to use custom
ROI's and return the AF regions in later developments.

 *** This is only compile tested! ***

Kieran Bingham (5):
  ipa: ipu3: af: Move constants to implementation
  ipa: ipu3: af: Use geometry classes to perform grid centering
  ipa: ipu3: af: Remove redundant memcpy
  ipa: ipu3: af: Use Span for y_table_item_t
  ipa: ipu3: af: Simplify accumulations of y_items

 src/ipa/ipu3/algorithms/af.cpp | 141 +++++++++++++--------------------
 src/ipa/ipu3/algorithms/af.h   |  15 +---
 2 files changed, 57 insertions(+), 99 deletions(-)