From 042649f044ae8cd2f9d970c4be180a2c2191d74e Mon Sep 17 00:00:00 2001
From: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Date: Thu, 19 Oct 2023 16:01:22 +0200
Subject: libcamera: camera_sensor: Cache rotationTransform_

The rotationTransform_ depends on a V4L2 control whose value does not
change for the whole lifetime of the camera.

Instead of re-calculating it everytime the camera is configured, cache
it at properties initialization time.

Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 include/libcamera/internal/camera_sensor.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/libcamera')

diff --git a/include/libcamera/internal/camera_sensor.h b/include/libcamera/internal/camera_sensor.h
index 06791c3c..0b2ece31 100644
--- a/include/libcamera/internal/camera_sensor.h
+++ b/include/libcamera/internal/camera_sensor.h
@@ -112,6 +112,7 @@ private:
 	Rectangle activeArea_;
 	const BayerFormat *bayerFormat_;
 	bool supportFlips_;
+	Transform rotationTransform_;
 
 	ControlList properties_;
 
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