From 503bebd0ed80886569629e7ce11d40fa28721c84 Mon Sep 17 00:00:00 2001
From: David Plowman <david.plowman@raspberrypi.com>
Date: Wed, 3 May 2023 13:20:32 +0100
Subject: ipa: raspberrypi: agc: Move weights out of AGC

The region weights for the the AGC zones are handled by the AGC
algorithm. Apply them directly in the IPA (vc4.cpp) to the statistics
that we pass to the AGC.

Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 src/ipa/rpi/controller/agc_algorithm.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/ipa/rpi/controller/agc_algorithm.h')

diff --git a/src/ipa/rpi/controller/agc_algorithm.h b/src/ipa/rpi/controller/agc_algorithm.h
index 36e6c110..b6949daa 100644
--- a/src/ipa/rpi/controller/agc_algorithm.h
+++ b/src/ipa/rpi/controller/agc_algorithm.h
@@ -6,6 +6,8 @@
  */
 #pragma once
 
+#include <vector>
+
 #include <libcamera/base/utils.h>
 
 #include "algorithm.h"
@@ -18,6 +20,7 @@ public:
 	AgcAlgorithm(Controller *controller) : Algorithm(controller) {}
 	/* An AGC algorithm must provide the following: */
 	virtual unsigned int getConvergenceFrames() const = 0;
+	virtual std::vector<double> const &getWeights() const = 0;
 	virtual void setEv(double ev) = 0;
 	virtual void setFlickerPeriod(libcamera::utils::Duration flickerPeriod) = 0;
 	virtual void setFixedShutter(libcamera::utils::Duration fixedShutter) = 0;
-- 
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