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The SharedItemPool was migrated from Chrome OS to maintain RGBS and AF
grids in IPAIPU3Stats. The orginal reason is to reserve the validness
unitl the grids are processed in a different thread. However, it leads
to a subtle bug which recycles the buffer before sending into AIQ
libraries. Since the IPU3 IPA (Unlike Chrome OS) process IPAIPU3Stats
in a single thread, It would be simpler to maintain the grids as the
members of IPAIPU3Stats, and remove the usage of SharedItemPool.
Signed-off-by: Han-Lin Chen <hanlinchen@chromium.org>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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This is will be used to convert statistics received from kernel to
AIQ stats format. Specific 3a conversion functions will be added in
IPAIP3Stats in subsequent commits.
ipu3_stats_get_3a() will extract, memcpy each of 3A relevant structures.
It's is intended just before setting the stats for next frame in
AIQ::setStatistics().
It receives ipu3_uapi_stats_3a struct from the kernel. This API will be
developed per parameter of ipu3_uapi_stats_3a struct in subsequent
commit.
IPAIPU3Stats will be responsible to take in the AIQ algorithms results
set and hardware statistics as input and generate(and convert) AIQ
consumable ia_aiq_statistics_input_param structure.
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
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Import the SharedItemPool implementation to managed grid
buffers.
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
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