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| author | Naushir Patuck <naush@raspberrypi.com> | 2023-02-03 09:17:34 +0000 |
|---|---|---|
| committer | Kieran Bingham <kieran.bingham@ideasonboard.com> | 2023-02-09 13:11:44 +0000 |
| commit | 61b43e50e76c16456b5d1873b6efd8aa0e848d6b (patch) | |
| tree | cb7855fde6db4f137f291cf97e10e47a8db246bd /Documentation/index.rst | |
| parent | 6d60f264d1e05bd19640b66bc72bda9f303bf72d (diff) | |
ipa: raspberrypi: Normalise region sums to 16-bits
The VC4 ISP uses a pipeline bit-depth of 13-bits. The AGC algorithm needs to
know this bit-depth when computing the Y value for the image.
Instead of hardcoding the VC4 bit-depth in the AGC source code, normalise all
region sums to 16-bits when filling the Statistics structure. AWB and ALSC are
agnostic about pipeline depth, so do not need changing.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Diffstat (limited to 'Documentation/index.rst')
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